./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 12:35:06,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:35:06,786 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:35:06,800 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:35:06,800 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:35:06,801 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:35:06,802 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:35:06,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:35:06,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:35:06,805 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:35:06,806 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:35:06,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:35:06,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:35:06,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:35:06,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:35:06,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:35:06,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:35:06,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:35:06,811 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:35:06,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:35:06,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:35:06,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:35:06,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:35:06,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:35:06,821 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:35:06,822 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:35:06,822 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:35:06,823 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:35:06,824 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:35:06,825 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:35:06,825 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:35:06,826 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:35:06,827 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:35:06,827 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:35:06,829 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:35:06,829 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:35:06,830 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:35:06,830 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:35:06,830 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:35:06,831 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:35:06,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:35:06,833 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 12:35:06,856 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:35:06,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:35:06,856 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:35:06,857 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:35:06,857 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:35:06,857 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:35:06,858 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:35:06,858 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:35:06,859 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:35:06,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:35:06,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:35:06,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:35:06,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:35:06,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:35:06,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:35:06,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:35:06,860 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:35:06,860 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:35:06,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:35:06,861 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:35:06,861 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:35:06,861 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:35:06,861 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:35:06,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:35:06,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:35:06,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:35:06,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:35:06,862 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:35:06,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:35:06,863 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:35:06,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:35:06,863 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:35:06,863 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f [2022-12-13 12:35:07,070 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:35:07,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:35:07,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:35:07,088 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:35:07,088 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:35:07,089 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-12-13 12:35:09,623 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:35:09,954 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:35:09,954 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-12-13 12:35:09,980 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/data/0bc693c6f/7748b629f9e547a7b9d1ae236ccb71b1/FLAG11c619a15 [2022-12-13 12:35:09,991 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/data/0bc693c6f/7748b629f9e547a7b9d1ae236ccb71b1 [2022-12-13 12:35:09,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:35:09,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:35:09,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:35:09,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:35:09,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:35:09,999 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:35:09" (1/1) ... [2022-12-13 12:35:09,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b5c9b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:09, skipping insertion in model container [2022-12-13 12:35:10,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:35:09" (1/1) ... [2022-12-13 12:35:10,005 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:35:10,160 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:35:10,604 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 12:35:10,617 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 12:35:10,639 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 12:35:10,863 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 12:35:10,901 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 12:35:10,907 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 12:35:10,911 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:35:10,984 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-13 12:35:11,000 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-13 12:35:11,004 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-13 12:35:11,011 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:11,011 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 12:35:11,012 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-13 12:35:11,012 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:11,016 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:11,017 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 12:35:11,017 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:11,021 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:11,022 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 12:35:11,022 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:11,043 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:35:11,119 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:11,119 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:35:11,120 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:35:11,120 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-13 12:35:11,125 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:11,125 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 12:35:11,129 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:11,134 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:11,250 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:11,257 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-13 12:35:11,262 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:35:11,264 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-13 12:35:11,273 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 12:35:11,274 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:11,274 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 12:35:11,275 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 12:35:11,276 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 12:35:11,286 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-12-13 12:35:11,286 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:35:11,287 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:35:11,287 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 12:35:11,289 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:11,289 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:11,290 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-12-13 12:35:11,294 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:11,294 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:11,294 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:11,295 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:11,306 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:35:11,307 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:35:11,308 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:35:11,314 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-12-13 12:35:11,322 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-12-13 12:35:11,322 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-13 12:35:11,323 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 12:35:11,323 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 12:35:11,324 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-13 12:35:11,329 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:11,329 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:11,330 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:11,331 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:11,331 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:11,332 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:11,332 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:11,333 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:11,333 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:11,333 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:11,334 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:11,334 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:35:11,335 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 12:35:11,336 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-13 12:35:11,354 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:11,355 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:11,355 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:11,359 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:11,360 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:11,360 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:11,367 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:11,367 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:11,368 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:11,368 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:11,368 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:11,369 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:11,373 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:11,379 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:11,381 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:11,381 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-13 12:35:11,382 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:11,383 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-13 12:35:11,384 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:11,384 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:11,388 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:11,388 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:11,389 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-13 12:35:11,390 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:11,391 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:11,399 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-13 12:35:11,400 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-12-13 12:35:11,400 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 12:35:11,406 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,410 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:11,411 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,415 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:11,416 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,417 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:11,422 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:11,423 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:11,433 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,434 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,435 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,436 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,437 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,437 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,438 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,439 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,439 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-12-13 12:35:11,440 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,441 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,442 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,442 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,443 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,444 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,446 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,446 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,448 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:11,449 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,449 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,451 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,451 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,452 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:11,453 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,453 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,454 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,455 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,456 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,457 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,458 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,458 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,459 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,460 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,461 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,461 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,463 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,463 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,465 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,465 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,467 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:11,468 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,468 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,469 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:11,470 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,470 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,470 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:11,471 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,472 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,472 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,478 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,478 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,480 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:11,481 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,482 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,482 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,487 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:11,488 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,488 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,489 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:11,490 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,490 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,491 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,493 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,493 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,494 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,494 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,495 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:11,496 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,496 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,498 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,498 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,502 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:35:11,503 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:35:11,504 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 12:35:11,504 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:11,505 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 12:35:11,505 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:11,506 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,506 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,506 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,506 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 12:35:11,507 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,507 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,507 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,507 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,507 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,508 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,508 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,508 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,508 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,508 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,509 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,509 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,509 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,509 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,509 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,634 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:35:11,678 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:11,681 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,682 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,683 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,683 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,686 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,690 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 12:35:11,696 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,696 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,703 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:11,715 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,715 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-13 12:35:11,716 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,716 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,717 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-13 12:35:11,717 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:11,718 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:11,737 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:11,745 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:11,745 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:11,746 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:11,750 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:11,750 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:11,750 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:11,765 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:11,765 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:11,765 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:11,769 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-12-13 12:35:11,770 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:11,774 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-13 12:35:11,774 WARN L623 FunctionHandler]: Unknown extern function tun_get_socket [2022-12-13 12:35:11,775 WARN L623 FunctionHandler]: Unknown extern function macvtap_get_socket [2022-12-13 12:35:11,775 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:11,783 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:11,784 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:11,784 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:11,785 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:11,786 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:11,790 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:11,790 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:11,807 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 12:35:11,811 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:35:11,827 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:11,827 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:11,827 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-13 12:35:11,828 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:11,828 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:11,828 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:11,828 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:11,829 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,829 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,829 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,829 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,829 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,830 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,830 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,830 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,830 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,830 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 12:35:11,831 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,831 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,831 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,831 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,831 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,832 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,832 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,832 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,832 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,832 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,833 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,833 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,833 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,833 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,833 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,833 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,834 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,834 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,834 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,834 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,834 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,835 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,835 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,835 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,835 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:11,835 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:11,839 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_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-12-13 12:35:11,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:35:11,933 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:35:11,993 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 12:35:11,993 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 12:35:11,994 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 12:35:11,995 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 12:35:11,996 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 12:35:11,997 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 12:35:11,997 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:35:11,998 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-13 12:35:11,998 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-13 12:35:11,998 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-13 12:35:11,999 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:11,999 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 12:35:11,999 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-13 12:35:11,999 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:12,000 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:12,000 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 12:35:12,000 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:12,000 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:12,001 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 12:35:12,001 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:12,002 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:35:12,004 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:12,004 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:35:12,004 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:35:12,005 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-13 12:35:12,005 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:12,005 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 12:35:12,005 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:12,006 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:12,009 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:12,009 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-13 12:35:12,011 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:35:12,027 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-13 12:35:12,028 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 12:35:12,029 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:12,029 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 12:35:12,032 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 12:35:12,032 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 12:35:12,036 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-12-13 12:35:12,037 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:35:12,037 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:35:12,037 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 12:35:12,039 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:12,039 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:12,039 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-12-13 12:35:12,040 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:12,040 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:12,040 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:12,040 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:12,044 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:35:12,044 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:35:12,047 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:35:12,049 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-12-13 12:35:12,050 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-12-13 12:35:12,050 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-13 12:35:12,051 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 12:35:12,051 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 12:35:12,051 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-13 12:35:12,056 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:12,057 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:12,057 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:12,058 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:12,058 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:12,059 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:12,059 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:12,059 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:12,059 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:12,060 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:12,060 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:12,060 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:35:12,061 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 12:35:12,061 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-13 12:35:12,065 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:12,065 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:12,066 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:12,067 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:12,067 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:12,067 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:12,075 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:12,075 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:12,076 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:12,076 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:12,076 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:12,077 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:12,078 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:12,082 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:12,083 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:12,084 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-13 12:35:12,084 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:12,085 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-13 12:35:12,085 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:12,086 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:12,088 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:12,089 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:12,089 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-13 12:35:12,090 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:12,091 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:12,092 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-13 12:35:12,093 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-12-13 12:35:12,093 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 12:35:12,095 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,096 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:12,097 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,098 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:12,098 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,099 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:12,100 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:12,101 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:12,104 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,104 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,105 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,106 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,107 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,107 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,108 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,109 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,109 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-12-13 12:35:12,110 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,110 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,111 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,112 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,113 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,113 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,114 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,115 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,117 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:12,118 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,118 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,119 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,119 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,120 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:12,120 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,121 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,122 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,122 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,123 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,123 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,124 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,124 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,125 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,125 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,126 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,126 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,127 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,128 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,129 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,129 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,131 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:12,132 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,132 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,133 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:12,133 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,134 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,134 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:12,135 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,135 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,135 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,137 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,137 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,139 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:12,140 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,140 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,140 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,142 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:12,142 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,143 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,143 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:12,144 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,144 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,145 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,146 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,147 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,147 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,148 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,148 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:12,149 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,149 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,150 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,151 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,151 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:35:12,152 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:35:12,153 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 12:35:12,153 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:12,153 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 12:35:12,153 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:12,154 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,155 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,155 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,155 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 12:35:12,155 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,155 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,156 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,156 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,156 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,156 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,156 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,156 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,156 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,156 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,157 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,157 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,157 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,157 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,157 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,158 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:35:12,178 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:12,180 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,181 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,181 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,182 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,184 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,185 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 12:35:12,188 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,188 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,191 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:12,194 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,194 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-13 12:35:12,195 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,195 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,195 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-13 12:35:12,196 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:12,196 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:12,205 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:12,206 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:12,206 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:12,206 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:12,207 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:12,207 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:12,207 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:12,208 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:12,209 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:12,209 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:12,209 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-12-13 12:35:12,210 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:12,211 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-13 12:35:12,211 WARN L623 FunctionHandler]: Unknown extern function tun_get_socket [2022-12-13 12:35:12,211 WARN L623 FunctionHandler]: Unknown extern function macvtap_get_socket [2022-12-13 12:35:12,211 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:12,212 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:12,213 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:12,213 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:12,214 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:12,214 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:12,215 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:12,215 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:12,218 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 12:35:12,218 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:35:12,218 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:12,219 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:12,219 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-13 12:35:12,219 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:12,219 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:12,219 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:12,220 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:12,220 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,220 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,220 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,220 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,220 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,220 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,221 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,221 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,221 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,221 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 12:35:12,221 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,221 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,222 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,222 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,222 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,222 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,222 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,222 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,222 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,222 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,223 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,223 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,223 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,223 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,223 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,223 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,223 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,223 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,224 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,224 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,224 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,224 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,224 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,224 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,224 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:12,224 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:12,225 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_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-12-13 12:35:12,231 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:35:12,271 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:35:12,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:12 WrapperNode [2022-12-13 12:35:12,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:35:12,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:35:12,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:35:12,272 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:35:12,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:12" (1/1) ... [2022-12-13 12:35:12,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:12" (1/1) ... [2022-12-13 12:35:12,458 INFO L138 Inliner]: procedures = 335, calls = 2629, calls flagged for inlining = 138, calls inlined = 130, statements flattened = 6646 [2022-12-13 12:35:12,459 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:35:12,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:35:12,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:35:12,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:35:12,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:12" (1/1) ... [2022-12-13 12:35:12,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:12" (1/1) ... [2022-12-13 12:35:12,492 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:12" (1/1) ... [2022-12-13 12:35:12,493 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:12" (1/1) ... [2022-12-13 12:35:12,601 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:12" (1/1) ... [2022-12-13 12:35:12,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:12" (1/1) ... [2022-12-13 12:35:12,642 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:12" (1/1) ... [2022-12-13 12:35:12,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:12" (1/1) ... [2022-12-13 12:35:12,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:35:12,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:35:12,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:35:12,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:35:12,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:12" (1/1) ... [2022-12-13 12:35:12,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:35:12,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:35:12,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:35:12,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:35:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2022-12-13 12:35:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2022-12-13 12:35:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2022-12-13 12:35:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2022-12-13 12:35:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2022-12-13 12:35:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2022-12-13 12:35:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2022-12-13 12:35:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2022-12-13 12:35:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-12-13 12:35:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-12-13 12:35:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-12-13 12:35:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-12-13 12:35:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 12:35:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-12-13 12:35:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-12-13 12:35:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 12:35:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-12-13 12:35:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-12-13 12:35:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2022-12-13 12:35:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2022-12-13 12:35:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2022-12-13 12:35:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2022-12-13 12:35:12,754 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2022-12-13 12:35:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2022-12-13 12:35:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-12-13 12:35:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-12-13 12:35:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-13 12:35:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-13 12:35:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-13 12:35:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-13 12:35:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-12-13 12:35:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-12-13 12:35:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 12:35:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 12:35:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-12-13 12:35:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-12-13 12:35:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 12:35:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 12:35:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 12:35:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 12:35:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-12-13 12:35:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-13 12:35:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-13 12:35:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2022-12-13 12:35:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2022-12-13 12:35:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2022-12-13 12:35:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2022-12-13 12:35:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-12-13 12:35:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-12-13 12:35:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2022-12-13 12:35:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2022-12-13 12:35:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2022-12-13 12:35:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2022-12-13 12:35:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2022-12-13 12:35:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2022-12-13 12:35:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-13 12:35:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-13 12:35:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 12:35:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 12:35:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-13 12:35:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-13 12:35:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-12-13 12:35:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-12-13 12:35:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2022-12-13 12:35:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2022-12-13 12:35:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:35:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 12:35:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 12:35:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-12-13 12:35:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-12-13 12:35:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2022-12-13 12:35:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2022-12-13 12:35:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 12:35:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 12:35:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 12:35:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-12-13 12:35:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-12-13 12:35:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2022-12-13 12:35:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2022-12-13 12:35:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:35:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 12:35:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-12-13 12:35:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-12-13 12:35:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2022-12-13 12:35:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2022-12-13 12:35:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-13 12:35:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-13 12:35:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2022-12-13 12:35:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2022-12-13 12:35:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2022-12-13 12:35:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2022-12-13 12:35:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-12-13 12:35:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-12-13 12:35:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-13 12:35:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-13 12:35:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 12:35:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 12:35:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-12-13 12:35:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-12-13 12:35:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-13 12:35:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-13 12:35:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2022-12-13 12:35:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2022-12-13 12:35:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2022-12-13 12:35:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2022-12-13 12:35:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2022-12-13 12:35:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2022-12-13 12:35:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-12-13 12:35:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-12-13 12:35:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-12-13 12:35:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-12-13 12:35:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-13 12:35:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-13 12:35:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-13 12:35:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-12-13 12:35:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-12-13 12:35:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-13 12:35:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-13 12:35:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 12:35:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-12-13 12:35:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-12-13 12:35:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:35:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-12-13 12:35:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-12-13 12:35:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-12-13 12:35:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-12-13 12:35:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2022-12-13 12:35:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2022-12-13 12:35:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-12-13 12:35:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-12-13 12:35:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 12:35:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 12:35:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-12-13 12:35:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2022-12-13 12:35:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2022-12-13 12:35:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:35:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-13 12:35:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-13 12:35:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-12-13 12:35:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-12-13 12:35:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-12-13 12:35:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-12-13 12:35:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2022-12-13 12:35:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2022-12-13 12:35:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-12-13 12:35:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-12-13 12:35:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2022-12-13 12:35:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2022-12-13 12:35:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2022-12-13 12:35:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2022-12-13 12:35:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-12-13 12:35:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-12-13 12:35:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-13 12:35:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-13 12:35:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-12-13 12:35:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-12-13 12:35:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 12:35:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 12:35:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2022-12-13 12:35:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2022-12-13 12:35:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-12-13 12:35:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-12-13 12:35:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:35:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-12-13 12:35:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-12-13 12:35:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-13 12:35:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-13 12:35:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2022-12-13 12:35:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2022-12-13 12:35:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:35:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-12-13 12:35:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-12-13 12:35:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2022-12-13 12:35:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2022-12-13 12:35:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-12-13 12:35:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-12-13 12:35:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:35:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-13 12:35:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-13 12:35:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 12:35:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-12-13 12:35:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-12-13 12:35:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:35:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:35:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-12-13 12:35:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-12-13 12:35:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-12-13 12:35:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-12-13 12:35:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-12-13 12:35:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-12-13 12:35:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-12-13 12:35:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-12-13 12:35:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-13 12:35:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-13 12:35:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2022-12-13 12:35:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2022-12-13 12:35:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-13 12:35:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-13 12:35:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2022-12-13 12:35:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2022-12-13 12:35:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-13 12:35:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-13 12:35:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 12:35:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 12:35:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2022-12-13 12:35:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2022-12-13 12:35:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2022-12-13 12:35:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2022-12-13 12:35:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-12-13 12:35:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-12-13 12:35:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-12-13 12:35:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-12-13 12:35:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-12-13 12:35:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-12-13 12:35:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-13 12:35:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-13 12:35:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-12-13 12:35:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-12-13 12:35:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-13 12:35:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-13 12:35:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-13 12:35:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-13 12:35:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2022-12-13 12:35:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2022-12-13 12:35:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:35:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2022-12-13 12:35:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2022-12-13 12:35:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2022-12-13 12:35:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2022-12-13 12:35:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-13 12:35:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-13 12:35:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:35:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:35:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 12:35:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 12:35:13,282 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:35:13,284 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:35:17,308 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857: SUMMARY for call __copy_to_user_#t~ret139#1 := ldv__builtin_expect((if 0 != __copy_to_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-12-13 12:35:17,308 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857-1: assume -9223372036854775808 <= __copy_to_user_#t~ret139#1 && __copy_to_user_#t~ret139#1 <= 9223372036854775807;__copy_to_user_~tmp___1~3#1 := __copy_to_user_#t~ret139#1;havoc __copy_to_user_#t~ret139#1; [2022-12-13 12:35:17,308 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845: SUMMARY for call __copy_to_user_#t~ret138#1 := ldv__builtin_expect((if 0 != __copy_to_user_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-12-13 12:35:17,308 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845-1: assume -9223372036854775808 <= __copy_to_user_#t~ret138#1 && __copy_to_user_#t~ret138#1 <= 9223372036854775807;__copy_to_user_~tmp___0~6#1 := __copy_to_user_#t~ret138#1;havoc __copy_to_user_#t~ret138#1; [2022-12-13 12:35:17,308 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch137#1; [2022-12-13 12:35:17,308 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch137#1; [2022-12-13 12:35:17,309 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume 0 != __copy_to_user_~tmp___1~3#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:35:17,309 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume !(0 != __copy_to_user_~tmp___1~3#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:35:17,309 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch137#1; [2022-12-13 12:35:17,309 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := true; [2022-12-13 12:35:17,309 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch137#1; [2022-12-13 12:35:17,309 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0 != __copy_to_user_~tmp___0~6#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:35:17,309 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0 != __copy_to_user_~tmp___0~6#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:35:17,309 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch137#1; [2022-12-13 12:35:17,309 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 16 == __copy_to_user_~size#1; [2022-12-13 12:35:17,310 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:35:17,310 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 10 == __copy_to_user_~size#1; [2022-12-13 12:35:17,310 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867: SUMMARY for call __copy_to_user_#t~ret140#1 := copy_user_generic(__copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1); srcloc: null [2022-12-13 12:35:17,310 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:35:17,310 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 8 == __copy_to_user_~size#1; [2022-12-13 12:35:17,310 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867-1: __copy_to_user_~tmp___2~4#1 := __copy_to_user_#t~ret140#1;havoc __copy_to_user_#t~ret140#1;__copy_to_user_#res#1 := (if __copy_to_user_~tmp___2~4#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_~tmp___2~4#1 % 18446744073709551616 % 4294967296 else __copy_to_user_~tmp___2~4#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-12-13 12:35:17,310 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:35:17,310 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 4 == __copy_to_user_~size#1; [2022-12-13 12:35:17,310 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:35:17,311 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 2 == __copy_to_user_~size#1; [2022-12-13 12:35:19,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785: SUMMARY for call __copy_from_user_#t~ret133#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0); srcloc: null [2022-12-13 12:35:19,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785-1: assume -9223372036854775808 <= __copy_from_user_#t~ret133#1 && __copy_from_user_#t~ret133#1 <= 9223372036854775807;__copy_from_user_~tmp___0~5#1 := __copy_from_user_#t~ret133#1;havoc __copy_from_user_#t~ret133#1; [2022-12-13 12:35:19,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0 != __copy_from_user_~tmp___0~5#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:35:19,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0 != __copy_from_user_~tmp___0~5#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:35:19,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch132#1; [2022-12-13 12:35:19,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch132#1; [2022-12-13 12:35:19,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := true; [2022-12-13 12:35:19,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798: SUMMARY for call __copy_from_user_#t~ret134#1 := ldv__builtin_expect((if 0 != __copy_from_user_~ret~1#1 then 1 else 0), 0); srcloc: null [2022-12-13 12:35:19,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798-1: assume -9223372036854775808 <= __copy_from_user_#t~ret134#1 && __copy_from_user_#t~ret134#1 <= 9223372036854775807;__copy_from_user_~tmp___1~2#1 := __copy_from_user_#t~ret134#1;havoc __copy_from_user_#t~ret134#1; [2022-12-13 12:35:19,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0 != __copy_from_user_~tmp___1~2#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:35:19,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0 != __copy_from_user_~tmp___1~2#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:35:19,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:35:19,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 4 == __copy_from_user_~size#1; [2022-12-13 12:35:19,385 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:35:19,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 8 == __copy_from_user_~size#1; [2022-12-13 12:35:19,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 2 == __copy_from_user_~size#1; [2022-12-13 12:35:19,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:35:19,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch132#1; [2022-12-13 12:35:19,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch132#1; [2022-12-13 12:35:19,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808-1: __copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret135#1;havoc __copy_from_user_#t~ret135#1;__copy_from_user_#res#1 := (if __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 else __copy_from_user_~tmp___2~3#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-12-13 12:35:19,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808: SUMMARY for call __copy_from_user_#t~ret135#1 := copy_user_generic(__copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1); srcloc: null [2022-12-13 12:35:19,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:35:19,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 10 == __copy_from_user_~size#1; [2022-12-13 12:35:19,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch132#1; [2022-12-13 12:35:19,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 16 == __copy_from_user_~size#1; [2022-12-13 12:35:20,163 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:35:20,178 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:35:20,178 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:35:20,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:35:20 BoogieIcfgContainer [2022-12-13 12:35:20,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:35:20,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:35:20,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:35:20,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:35:20,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:35:09" (1/3) ... [2022-12-13 12:35:20,186 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6a71f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:35:20, skipping insertion in model container [2022-12-13 12:35:20,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:12" (2/3) ... [2022-12-13 12:35:20,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a6a71f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:35:20, skipping insertion in model container [2022-12-13 12:35:20,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:35:20" (3/3) ... [2022-12-13 12:35:20,188 INFO L112 eAbstractionObserver]: Analyzing ICFG main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-12-13 12:35:20,202 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:35:20,202 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:35:20,316 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:35:20,323 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=PETRI_NET, 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;@18bdd1b0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:35:20,323 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 12:35:20,336 INFO L276 IsEmpty]: Start isEmpty. Operand has 2227 states, 1538 states have (on average 1.3439531859557867) internal successors, (2067), 1584 states have internal predecessors, (2067), 579 states have call successors, (579), 108 states have call predecessors, (579), 108 states have return successors, (579), 574 states have call predecessors, (579), 579 states have call successors, (579) [2022-12-13 12:35:20,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 12:35:20,344 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:20,345 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:20,345 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:35:20,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:20,350 INFO L85 PathProgramCache]: Analyzing trace with hash 221283847, now seen corresponding path program 1 times [2022-12-13 12:35:20,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:20,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228528453] [2022-12-13 12:35:20,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:20,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:20,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:35:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:20,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:35:20,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:20,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228528453] [2022-12-13 12:35:20,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228528453] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:20,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:20,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:35:20,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151728372] [2022-12-13 12:35:20,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:20,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:35:20,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:20,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:35:20,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:35:20,778 INFO L87 Difference]: Start difference. First operand has 2227 states, 1538 states have (on average 1.3439531859557867) internal successors, (2067), 1584 states have internal predecessors, (2067), 579 states have call successors, (579), 108 states have call predecessors, (579), 108 states have return successors, (579), 574 states have call predecessors, (579), 579 states have call successors, (579) Second operand has 3 states, 3 states have (on average 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) [2022-12-13 12:35:21,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:21,012 INFO L93 Difference]: Finished difference Result 4437 states and 6522 transitions. [2022-12-13 12:35:21,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:35:21,014 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 [2022-12-13 12:35:21,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:21,046 INFO L225 Difference]: With dead ends: 4437 [2022-12-13 12:35:21,046 INFO L226 Difference]: Without dead ends: 2216 [2022-12-13 12:35:21,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:35:21,070 INFO L413 NwaCegarLoop]: 3213 mSDtfsCounter, 3203 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3203 SdHoareTripleChecker+Valid, 3213 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:21,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3203 Valid, 3213 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:21,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2022-12-13 12:35:21,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 2216. [2022-12-13 12:35:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2216 states, 1530 states have (on average 1.3405228758169934) internal successors, (2051), 1573 states have internal predecessors, (2051), 578 states have call successors, (578), 108 states have call predecessors, (578), 107 states have return successors, (573), 568 states have call predecessors, (573), 573 states have call successors, (573) [2022-12-13 12:35:21,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2216 states to 2216 states and 3202 transitions. [2022-12-13 12:35:21,288 INFO L78 Accepts]: Start accepts. Automaton has 2216 states and 3202 transitions. Word has length 16 [2022-12-13 12:35:21,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:21,290 INFO L495 AbstractCegarLoop]: Abstraction has 2216 states and 3202 transitions. [2022-12-13 12:35:21,290 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) [2022-12-13 12:35:21,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 3202 transitions. [2022-12-13 12:35:21,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 12:35:21,291 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:21,291 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:21,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:35:21,292 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:35:21,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:21,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1731165812, now seen corresponding path program 1 times [2022-12-13 12:35:21,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:21,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000470643] [2022-12-13 12:35:21,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:21,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:21,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:35:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:21,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:35:21,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:21,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000470643] [2022-12-13 12:35:21,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000470643] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:21,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:21,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:35:21,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480921043] [2022-12-13 12:35:21,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:21,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:35:21,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:21,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:35:21,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:35:21,410 INFO L87 Difference]: Start difference. First operand 2216 states and 3202 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) [2022-12-13 12:35:21,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:21,501 INFO L93 Difference]: Finished difference Result 2218 states and 3203 transitions. [2022-12-13 12:35:21,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:35:21,501 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 [2022-12-13 12:35:21,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:21,510 INFO L225 Difference]: With dead ends: 2218 [2022-12-13 12:35:21,510 INFO L226 Difference]: Without dead ends: 2215 [2022-12-13 12:35:21,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:35:21,513 INFO L413 NwaCegarLoop]: 3199 mSDtfsCounter, 3188 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3188 SdHoareTripleChecker+Valid, 3199 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:21,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3188 Valid, 3199 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:21,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2215 states. [2022-12-13 12:35:21,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2215 to 2215. [2022-12-13 12:35:21,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2215 states, 1530 states have (on average 1.3398692810457515) internal successors, (2050), 1572 states have internal predecessors, (2050), 577 states have call successors, (577), 108 states have call predecessors, (577), 107 states have return successors, (573), 568 states have call predecessors, (573), 573 states have call successors, (573) [2022-12-13 12:35:21,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 2215 states and 3200 transitions. [2022-12-13 12:35:21,622 INFO L78 Accepts]: Start accepts. Automaton has 2215 states and 3200 transitions. Word has length 17 [2022-12-13 12:35:21,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:21,622 INFO L495 AbstractCegarLoop]: Abstraction has 2215 states and 3200 transitions. [2022-12-13 12:35:21,622 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) [2022-12-13 12:35:21,622 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 3200 transitions. [2022-12-13 12:35:21,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 12:35:21,622 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:21,623 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:21,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:35:21,623 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:35:21,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:21,623 INFO L85 PathProgramCache]: Analyzing trace with hash -2127558230, now seen corresponding path program 1 times [2022-12-13 12:35:21,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:21,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869246841] [2022-12-13 12:35:21,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:21,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:21,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:35:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:21,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:35:21,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:21,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869246841] [2022-12-13 12:35:21,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869246841] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:21,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:21,709 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:35:21,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207997668] [2022-12-13 12:35:21,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:21,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:35:21,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:21,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:35:21,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:35:21,710 INFO L87 Difference]: Start difference. First operand 2215 states and 3200 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) [2022-12-13 12:35:21,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:21,814 INFO L93 Difference]: Finished difference Result 2217 states and 3201 transitions. [2022-12-13 12:35:21,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:35:21,815 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 [2022-12-13 12:35:21,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:21,824 INFO L225 Difference]: With dead ends: 2217 [2022-12-13 12:35:21,824 INFO L226 Difference]: Without dead ends: 2214 [2022-12-13 12:35:21,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:35:21,827 INFO L413 NwaCegarLoop]: 3197 mSDtfsCounter, 3185 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3185 SdHoareTripleChecker+Valid, 3197 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:21,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3185 Valid, 3197 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:21,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2214 states. [2022-12-13 12:35:21,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2214 to 2214. [2022-12-13 12:35:21,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2214 states, 1530 states have (on average 1.3392156862745097) internal successors, (2049), 1571 states have internal predecessors, (2049), 576 states have call successors, (576), 108 states have call predecessors, (576), 107 states have return successors, (573), 568 states have call predecessors, (573), 573 states have call successors, (573) [2022-12-13 12:35:21,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2214 states to 2214 states and 3198 transitions. [2022-12-13 12:35:21,939 INFO L78 Accepts]: Start accepts. Automaton has 2214 states and 3198 transitions. Word has length 18 [2022-12-13 12:35:21,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:21,939 INFO L495 AbstractCegarLoop]: Abstraction has 2214 states and 3198 transitions. [2022-12-13 12:35:21,939 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) [2022-12-13 12:35:21,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2214 states and 3198 transitions. [2022-12-13 12:35:21,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 12:35:21,940 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:21,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:21,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:35:21,940 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:35:21,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:21,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1530816433, now seen corresponding path program 1 times [2022-12-13 12:35:21,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:21,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128737621] [2022-12-13 12:35:21,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:21,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:21,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:22,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:35:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:22,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:35:22,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:22,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128737621] [2022-12-13 12:35:22,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128737621] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:22,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:22,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:35:22,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875270013] [2022-12-13 12:35:22,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:22,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:35:22,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:22,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:35:22,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:35:22,021 INFO L87 Difference]: Start difference. First operand 2214 states and 3198 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) [2022-12-13 12:35:22,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:22,186 INFO L93 Difference]: Finished difference Result 5113 states and 7342 transitions. [2022-12-13 12:35:22,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:35:22,187 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 [2022-12-13 12:35:22,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:22,199 INFO L225 Difference]: With dead ends: 5113 [2022-12-13 12:35:22,199 INFO L226 Difference]: Without dead ends: 2904 [2022-12-13 12:35:22,207 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:35:22,208 INFO L413 NwaCegarLoop]: 3648 mSDtfsCounter, 1309 mSDsluCounter, 2780 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1309 SdHoareTripleChecker+Valid, 6428 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:22,208 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1309 Valid, 6428 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:35:22,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2904 states. [2022-12-13 12:35:22,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2904 to 2901. [2022-12-13 12:35:22,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2901 states, 2000 states have (on average 1.3215) internal successors, (2643), 2062 states have internal predecessors, (2643), 721 states have call successors, (721), 183 states have call predecessors, (721), 179 states have return successors, (731), 698 states have call predecessors, (731), 708 states have call successors, (731) [2022-12-13 12:35:22,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 4095 transitions. [2022-12-13 12:35:22,367 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 4095 transitions. Word has length 19 [2022-12-13 12:35:22,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:22,368 INFO L495 AbstractCegarLoop]: Abstraction has 2901 states and 4095 transitions. [2022-12-13 12:35:22,368 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) [2022-12-13 12:35:22,368 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 4095 transitions. [2022-12-13 12:35:22,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 12:35:22,371 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:22,371 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] [2022-12-13 12:35:22,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:35:22,372 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:35:22,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:22,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1271718831, now seen corresponding path program 1 times [2022-12-13 12:35:22,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:22,372 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706291345] [2022-12-13 12:35:22,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:22,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:22,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:35:22,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:22,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:35:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:22,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 12:35:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:22,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 12:35:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:22,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 12:35:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:22,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-12-13 12:35:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:22,612 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 12:35:22,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:22,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706291345] [2022-12-13 12:35:22,613 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1706291345] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:22,613 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:22,613 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 12:35:22,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846254849] [2022-12-13 12:35:22,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:22,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:35:22,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:22,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:35:22,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:35:22,615 INFO L87 Difference]: Start difference. First operand 2901 states and 4095 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 12:35:25,184 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 [] [2022-12-13 12:35:33,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:33,827 INFO L93 Difference]: Finished difference Result 6331 states and 9003 transitions. [2022-12-13 12:35:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 12:35:33,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 56 [2022-12-13 12:35:33,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:33,852 INFO L225 Difference]: With dead ends: 6331 [2022-12-13 12:35:33,852 INFO L226 Difference]: Without dead ends: 3444 [2022-12-13 12:35:33,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:35:33,860 INFO L413 NwaCegarLoop]: 1576 mSDtfsCounter, 2405 mSDsluCounter, 2772 mSDsCounter, 0 mSdLazyCounter, 5501 mSolverCounterSat, 1440 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2705 SdHoareTripleChecker+Valid, 4348 SdHoareTripleChecker+Invalid, 6942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1440 IncrementalHoareTripleChecker+Valid, 5501 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:33,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2705 Valid, 4348 Invalid, 6942 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1440 Valid, 5501 Invalid, 1 Unknown, 0 Unchecked, 10.9s Time] [2022-12-13 12:35:33,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3444 states. [2022-12-13 12:35:33,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3444 to 2956. [2022-12-13 12:35:33,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2956 states, 2039 states have (on average 1.3187837175085826) internal successors, (2689), 2103 states have internal predecessors, (2689), 726 states have call successors, (726), 183 states have call predecessors, (726), 190 states have return successors, (750), 713 states have call predecessors, (750), 713 states have call successors, (750) [2022-12-13 12:35:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 2956 states and 4165 transitions. [2022-12-13 12:35:33,989 INFO L78 Accepts]: Start accepts. Automaton has 2956 states and 4165 transitions. Word has length 56 [2022-12-13 12:35:33,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:33,990 INFO L495 AbstractCegarLoop]: Abstraction has 2956 states and 4165 transitions. [2022-12-13 12:35:33,990 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 12:35:33,990 INFO L276 IsEmpty]: Start isEmpty. Operand 2956 states and 4165 transitions. [2022-12-13 12:35:33,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-13 12:35:33,991 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:33,991 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] [2022-12-13 12:35:33,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:35:33,992 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:35:33,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:33,992 INFO L85 PathProgramCache]: Analyzing trace with hash -313276945, now seen corresponding path program 1 times [2022-12-13 12:35:33,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:33,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871067685] [2022-12-13 12:35:33,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:33,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:34,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:35:34,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:34,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-12-13 12:35:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:34,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 12:35:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:34,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 12:35:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:34,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2022-12-13 12:35:34,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:34,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:34,151 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 12:35:34,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:34,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871067685] [2022-12-13 12:35:34,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871067685] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:34,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:34,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:35:34,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984383191] [2022-12-13 12:35:34,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:34,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:35:34,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:34,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:35:34,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:35:34,153 INFO L87 Difference]: Start difference. First operand 2956 states and 4165 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 12:35:36,503 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 [] [2022-12-13 12:35:39,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:39,935 INFO L93 Difference]: Finished difference Result 5998 states and 8556 transitions. [2022-12-13 12:35:39,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:35:39,936 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 57 [2022-12-13 12:35:39,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:39,952 INFO L225 Difference]: With dead ends: 5998 [2022-12-13 12:35:39,952 INFO L226 Difference]: Without dead ends: 3056 [2022-12-13 12:35:39,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:35:39,968 INFO L413 NwaCegarLoop]: 1750 mSDtfsCounter, 1393 mSDsluCounter, 2468 mSDsCounter, 0 mSdLazyCounter, 3507 mSolverCounterSat, 412 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1652 SdHoareTripleChecker+Valid, 4218 SdHoareTripleChecker+Invalid, 3920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 412 IncrementalHoareTripleChecker+Valid, 3507 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:39,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1652 Valid, 4218 Invalid, 3920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [412 Valid, 3507 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-12-13 12:35:39,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2022-12-13 12:35:40,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 2956. [2022-12-13 12:35:40,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2956 states, 2039 states have (on average 1.3158410985777342) internal successors, (2683), 2103 states have internal predecessors, (2683), 726 states have call successors, (726), 183 states have call predecessors, (726), 190 states have return successors, (750), 713 states have call predecessors, (750), 713 states have call successors, (750) [2022-12-13 12:35:40,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2956 states to 2956 states and 4159 transitions. [2022-12-13 12:35:40,148 INFO L78 Accepts]: Start accepts. Automaton has 2956 states and 4159 transitions. Word has length 57 [2022-12-13 12:35:40,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:40,148 INFO L495 AbstractCegarLoop]: Abstraction has 2956 states and 4159 transitions. [2022-12-13 12:35:40,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 12:35:40,149 INFO L276 IsEmpty]: Start isEmpty. Operand 2956 states and 4159 transitions. [2022-12-13 12:35:40,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-13 12:35:40,150 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:40,150 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:40,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:35:40,150 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:35:40,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:40,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1588758905, now seen corresponding path program 1 times [2022-12-13 12:35:40,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:40,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797227641] [2022-12-13 12:35:40,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:40,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 12:35:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-12-13 12:35:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-12-13 12:35:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-12-13 12:35:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-12-13 12:35:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 12:35:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:35:40,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 12:35:40,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:35:40,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797227641] [2022-12-13 12:35:40,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797227641] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:35:40,334 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:35:40,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:35:40,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503339683] [2022-12-13 12:35:40,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:35:40,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:35:40,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:35:40,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:35:40,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:35:40,335 INFO L87 Difference]: Start difference. First operand 2956 states and 4159 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 12:35:42,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 12:35:46,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:35:46,096 INFO L93 Difference]: Finished difference Result 5032 states and 7025 transitions. [2022-12-13 12:35:46,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:35:46,097 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 63 [2022-12-13 12:35:46,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:35:46,108 INFO L225 Difference]: With dead ends: 5032 [2022-12-13 12:35:46,108 INFO L226 Difference]: Without dead ends: 2508 [2022-12-13 12:35:46,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:35:46,118 INFO L413 NwaCegarLoop]: 1188 mSDtfsCounter, 2912 mSDsluCounter, 950 mSDsCounter, 0 mSdLazyCounter, 2958 mSolverCounterSat, 1118 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3175 SdHoareTripleChecker+Valid, 2138 SdHoareTripleChecker+Invalid, 4077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1118 IncrementalHoareTripleChecker+Valid, 2958 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-13 12:35:46,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3175 Valid, 2138 Invalid, 4077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1118 Valid, 2958 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-12-13 12:35:46,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2022-12-13 12:35:46,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2389. [2022-12-13 12:35:46,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2389 states, 1654 states have (on average 1.3047158403869408) internal successors, (2158), 1700 states have internal predecessors, (2158), 569 states have call successors, (569), 170 states have call predecessors, (569), 165 states have return successors, (554), 547 states have call predecessors, (554), 554 states have call successors, (554) [2022-12-13 12:35:46,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2389 states and 3281 transitions. [2022-12-13 12:35:46,234 INFO L78 Accepts]: Start accepts. Automaton has 2389 states and 3281 transitions. Word has length 63 [2022-12-13 12:35:46,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:35:46,235 INFO L495 AbstractCegarLoop]: Abstraction has 2389 states and 3281 transitions. [2022-12-13 12:35:46,235 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 12:35:46,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 3281 transitions. [2022-12-13 12:35:46,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-13 12:35:46,236 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:35:46,236 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:46,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:35:46,236 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:35:46,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:35:46,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1239061699, now seen corresponding path program 1 times [2022-12-13 12:35:46,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:35:46,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150851088] [2022-12-13 12:35:46,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:35:46,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:35:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:35:46,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:35:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:35:46,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 12:35:46,398 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:35:46,399 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 12:35:46,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 12:35:46,403 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:35:46,407 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:35:46,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:35:46 BoogieIcfgContainer [2022-12-13 12:35:46,456 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:35:46,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:35:46,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:35:46,457 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:35:46,457 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:35:20" (3/4) ... [2022-12-13 12:35:46,460 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 12:35:46,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:35:46,461 INFO L158 Benchmark]: Toolchain (without parser) took 36466.86ms. Allocated memory was 113.2MB in the beginning and 423.6MB in the end (delta: 310.4MB). Free memory was 62.2MB in the beginning and 93.6MB in the end (delta: -31.3MB). Peak memory consumption was 281.2MB. Max. memory is 16.1GB. [2022-12-13 12:35:46,461 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 113.2MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:35:46,462 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2276.25ms. Allocated memory was 113.2MB in the beginning and 167.8MB in the end (delta: 54.5MB). Free memory was 61.9MB in the beginning and 57.1MB in the end (delta: 4.8MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. [2022-12-13 12:35:46,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 186.82ms. Allocated memory is still 167.8MB. Free memory was 57.1MB in the beginning and 68.0MB in the end (delta: -11.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-12-13 12:35:46,462 INFO L158 Benchmark]: Boogie Preprocessor took 230.91ms. Allocated memory is still 167.8MB. Free memory was 68.0MB in the beginning and 62.3MB in the end (delta: 5.8MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2022-12-13 12:35:46,462 INFO L158 Benchmark]: RCFGBuilder took 7490.44ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 62.3MB in the beginning and 133.2MB in the end (delta: -70.9MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2022-12-13 12:35:46,463 INFO L158 Benchmark]: TraceAbstraction took 26273.24ms. Allocated memory was 293.6MB in the beginning and 423.6MB in the end (delta: 130.0MB). Free memory was 132.2MB in the beginning and 94.6MB in the end (delta: 37.5MB). Peak memory consumption was 167.5MB. Max. memory is 16.1GB. [2022-12-13 12:35:46,463 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 423.6MB. Free memory was 94.6MB in the beginning and 93.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:35:46,464 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 113.2MB. Free memory is still 89.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2276.25ms. Allocated memory was 113.2MB in the beginning and 167.8MB in the end (delta: 54.5MB). Free memory was 61.9MB in the beginning and 57.1MB in the end (delta: 4.8MB). Peak memory consumption was 71.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 186.82ms. Allocated memory is still 167.8MB. Free memory was 57.1MB in the beginning and 68.0MB in the end (delta: -11.0MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 230.91ms. Allocated memory is still 167.8MB. Free memory was 68.0MB in the beginning and 62.3MB in the end (delta: 5.8MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * RCFGBuilder took 7490.44ms. Allocated memory was 167.8MB in the beginning and 293.6MB in the end (delta: 125.8MB). Free memory was 62.3MB in the beginning and 133.2MB in the end (delta: -70.9MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. * TraceAbstraction took 26273.24ms. Allocated memory was 293.6MB in the beginning and 423.6MB in the end (delta: 130.0MB). Free memory was 132.2MB in the beginning and 94.6MB in the end (delta: 37.5MB). Peak memory consumption was 167.5MB. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 423.6MB. Free memory was 94.6MB in the beginning and 93.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10595. Possible FailurePath: [L5971] static unsigned int vhost_zcopy_mask ; [L9348] static int experimental_zcopytx ; [L10590-L10593] static struct file_operations const vhost_net_fops = {& __this_module, & noop_llseek, 0, 0, 0, 0, 0, 0, & vhost_net_ioctl, & vhost_net_compat_ioctl, 0, & vhost_net_open, 0, & vhost_net_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L10594-L10595] static struct miscdevice vhost_net_misc = {238, "vhost-net", & vhost_net_fops, {0, 0}, 0, 0, 0, (unsigned short)0}; [L10620] int LDV_IN_INTERRUPT ; [L11002] static int ldv_mutex_cred_guard_mutex ; [L11109] static int ldv_mutex_lock ; [L11216] static int ldv_mutex_mtx ; [L11323] static int ldv_mutex_mutex ; VAL [__this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10623] struct inode *var_group1 ; [L10624] struct file *var_group2 ; [L10625] unsigned int var_vhost_net_ioctl_27_p1 ; [L10626] unsigned long var_vhost_net_ioctl_27_p2 ; [L10627] unsigned int var_vhost_net_compat_ioctl_28_p1 ; [L10628] unsigned long var_vhost_net_compat_ioctl_28_p2 ; [L10629] int res_vhost_net_open_13 ; [L10630] int ldv_s_vhost_net_fops_file_operations ; [L10631] int tmp ; [L10632] int tmp___0 ; [L10633] int tmp___1 ; [L10635] ldv_s_vhost_net_fops_file_operations = 0 [L10636] LDV_IN_INTERRUPT = 1 [L10637] CALL ldv_initialize() [L11433] ldv_mutex_cred_guard_mutex = 1 [L11434] ldv_mutex_lock = 1 [L11435] ldv_mutex_mtx = 1 [L11436] ldv_mutex_mutex = 1 VAL [__this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10637] RET ldv_initialize() [L10638] FCALL ldv_handler_precall() VAL [__this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10639] CALL, EXPR vhost_net_init() [L10598] int tmp ; VAL [__this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10600] COND FALSE !(experimental_zcopytx != 0) VAL [__this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10604] CALL, EXPR misc_register(& vhost_net_misc) [L11595] return __VERIFIER_nondet_int(); [L10604] RET, EXPR misc_register(& vhost_net_misc) [L10604] tmp = misc_register(& vhost_net_misc) [L10605] return (tmp); VAL [\result=0, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, tmp=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10639] RET, EXPR vhost_net_init() [L10639] tmp = vhost_net_init() [L10640] COND FALSE !(tmp != 0) VAL [__this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10682] tmp___1 = __VERIFIER_nondet_int() [L10683] COND TRUE tmp___1 != 0 || ldv_s_vhost_net_fops_file_operations != 0 VAL [__this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___1=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10646] tmp___0 = __VERIFIER_nondet_int() [L10648] case 0: [L10661] case 1: [L10669] case 2: VAL [__this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=2, tmp___1=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10670] FCALL ldv_handler_precall() VAL [__this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=2, tmp___1=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10671] CALL vhost_net_ioctl(var_group2, var_vhost_net_ioctl_27_p1, var_vhost_net_ioctl_27_p2) VAL [\old(ldv_mutex_mutex)=1, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10521] struct vhost_net *n ; [L10522] void *argp ; [L10523] u64 *featurep ; [L10524] struct vhost_vring_file backend ; [L10525] u64 features ; [L10526] int r ; [L10527] unsigned long tmp ; [L10528] long tmp___0 ; [L10529] int tmp___1 ; [L10530] unsigned long tmp___2 ; [L10531] int tmp___3 ; [L10532] long tmp___4 ; [L10533] long tmp___5 ; [L10535] EXPR f->private_data [L10535] n = (struct vhost_net *)f->private_data [L10536] argp = (void *)arg [L10537] featurep = (u64 *)argp [L10539] case 1074310960U: [L10547] case 2148052736U: [L10555] case 1074310912U: [L10567] case 44802U: [L10568] CALL vhost_net_reset_owner(n) [L10445] struct socket *tx_sock ; [L10446] struct socket *rx_sock ; [L10447] long err ; [L10449] tx_sock = 0 [L10450] rx_sock = 0 [L10451] CALL ldv_mutex_lock_66(& n->dev.mutex) [L10919] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={18446744073709551619:-17400}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11361] COND TRUE ldv_mutex_mutex == 1 VAL [\old(ldv_mutex_mutex)=1, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={18446744073709551619:-17400}, lock={18446744073709551619:-17400}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11365] ldv_mutex_mutex = 2 VAL [\old(ldv_mutex_mutex)=1, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={18446744073709551619:-17400}, lock={18446744073709551619:-17400}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10919] RET ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, ldv_func_arg1={18446744073709551619:-17400}, ldv_func_arg1={18446744073709551619:-17400}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10920] FCALL mutex_lock(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, ldv_func_arg1={18446744073709551619:-17400}, ldv_func_arg1={18446744073709551619:-17400}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10451] RET ldv_mutex_lock_66(& n->dev.mutex) [L10452] CALL, EXPR vhost_dev_check_owner(& n->dev) VAL [\old(ldv_mutex_mutex)=1, __this_module={18446744073709551616:18446744073709551618}, dev={18446744073709551619:-17416}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6410] struct task_struct *tmp ; VAL [\old(ldv_mutex_mutex)=1, __this_module={18446744073709551616:18446744073709551618}, dev={18446744073709551619:-17416}, dev={18446744073709551619:-17416}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] CALL, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L5283] struct task_struct *pfo_ret__ ; [L5286] case 1UL: [L5289] case 2UL: [L5292] case 4UL: [L5295] case 8UL: VAL [\old(ldv_mutex_mutex)=1, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L5302] return (pfo_ret__); VAL [\old(ldv_mutex_mutex)=1, \result={18446744073709551617:-4}, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, pfo_ret__={18446744073709551617:-4}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] RET, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, __this_module={18446744073709551616:18446744073709551618}, dev={18446744073709551619:-17416}, dev={18446744073709551619:-17416}, experimental_zcopytx=0, get_current()={18446744073709551617:-4}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] tmp = get_current() [L6413] EXPR dev->mm [L6413] EXPR tmp->mm [L6413] return ((unsigned long )dev->mm == (unsigned long )tmp->mm ? 0L : -1L); [L10452] RET, EXPR vhost_dev_check_owner(& n->dev) VAL [\old(ldv_mutex_mutex)=1, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={18446744073709551619:-17416}, n={18446744073709551619:-17416}, rx_sock={220:0}, tx_sock={217:0}, vhost_dev_check_owner(& n->dev)=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10452] err = vhost_dev_check_owner(& n->dev) [L10453] COND FALSE !(err != 0L) VAL [\old(ldv_mutex_mutex)=1, __this_module={18446744073709551616:18446744073709551618}, err=0, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={18446744073709551619:-17416}, n={18446744073709551619:-17416}, rx_sock={220:0}, tx_sock={217:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10457] CALL vhost_net_stop(n, & tx_sock, & rx_sock) VAL [\old(ldv_mutex_mutex)=2, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={18446744073709551619:-17416}, rx_sock={220:0}, tx_sock={217:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10183] CALL vhost_net_stop_vq(n, (struct vhost_virtqueue *)(& n->vqs) + 1UL) VAL [\old(ldv_mutex_mutex)=2, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={18446744073709551619:-17416}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0, vq={18446744073709551619:0}] [L10155] struct socket *sock ; [L10156] bool __warned ; [L10157] int tmp ; [L10158] int tmp___0 ; [L10160] CALL ldv_mutex_lock_56(& vq->mutex) [L10839] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=2, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={18446744073709551619:8}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11361] COND FALSE !(ldv_mutex_mutex == 1) VAL [\old(ldv_mutex_mutex)=2, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={18446744073709551619:8}, lock={18446744073709551619:8}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11363] CALL ldv_error() VAL [\old(ldv_mutex_mutex)=2, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10992] reach_error() VAL [\old(ldv_mutex_mutex)=2, __this_module={18446744073709551616:18446744073709551618}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 109 procedures, 2227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.1s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 23.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3 mSolverCounterUnknown, 18417 SdHoareTripleChecker+Valid, 22.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17595 mSDsluCounter, 26741 SdHoareTripleChecker+Invalid, 20.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8970 mSDsCounter, 2974 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11979 IncrementalHoareTripleChecker+Invalid, 14956 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2974 mSolverCounterUnsat, 17771 mSDtfsCounter, 11979 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2956occurred in iteration=5, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 710 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 309 NumberOfCodeBlocks, 309 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 397 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 12:35:46,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 12:35:48,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:35:48,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:35:48,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:35:48,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:35:48,082 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:35:48,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:35:48,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:35:48,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:35:48,088 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:35:48,089 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:35:48,090 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:35:48,091 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:35:48,092 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:35:48,093 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:35:48,094 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:35:48,095 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:35:48,096 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:35:48,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:35:48,099 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:35:48,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:35:48,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:35:48,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:35:48,104 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:35:48,107 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:35:48,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:35:48,108 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:35:48,109 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:35:48,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:35:48,110 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:35:48,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:35:48,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:35:48,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:35:48,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:35:48,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:35:48,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:35:48,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:35:48,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:35:48,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:35:48,116 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:35:48,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:35:48,117 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 12:35:48,139 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:35:48,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:35:48,139 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:35:48,139 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:35:48,140 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:35:48,140 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:35:48,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:35:48,141 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:35:48,141 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:35:48,141 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:35:48,142 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:35:48,142 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:35:48,142 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:35:48,142 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:35:48,142 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 12:35:48,143 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 12:35:48,143 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 12:35:48,143 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:35:48,143 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:35:48,143 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:35:48,143 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:35:48,144 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:35:48,144 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:35:48,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:35:48,144 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:35:48,144 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:35:48,145 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:35:48,145 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 12:35:48,145 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 12:35:48,145 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:35:48,145 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:35:48,154 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:35:48,154 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:35:48,154 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 12:35:48,154 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:35:48,154 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f [2022-12-13 12:35:48,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:35:48,426 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:35:48,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:35:48,428 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:35:48,429 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:35:48,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-12-13 12:35:50,986 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:35:51,370 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:35:51,370 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-12-13 12:35:51,398 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/data/7ceffd1af/cb6949a0e9ed4a0f95a44c16c2d10881/FLAG44b8dd913 [2022-12-13 12:35:51,408 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/data/7ceffd1af/cb6949a0e9ed4a0f95a44c16c2d10881 [2022-12-13 12:35:51,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:35:51,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:35:51,411 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:35:51,411 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:35:51,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:35:51,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:35:51" (1/1) ... [2022-12-13 12:35:51,416 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@690fd7a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:51, skipping insertion in model container [2022-12-13 12:35:51,416 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:35:51" (1/1) ... [2022-12-13 12:35:51,422 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:35:51,538 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:35:51,988 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 12:35:52,000 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 12:35:52,018 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 12:35:52,224 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 12:35:52,263 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 12:35:52,267 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 12:35:52,271 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:35:52,347 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-13 12:35:52,363 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-13 12:35:52,369 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-13 12:35:52,381 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:52,381 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 12:35:52,382 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-13 12:35:52,382 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:52,387 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:52,388 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 12:35:52,388 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:52,392 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:52,393 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 12:35:52,393 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:52,425 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:35:52,507 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:52,507 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:35:52,508 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:35:52,508 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-13 12:35:52,513 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:52,513 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 12:35:52,517 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:52,522 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:52,702 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:52,710 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-13 12:35:52,716 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:35:52,718 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-13 12:35:52,728 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 12:35:52,728 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:52,728 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 12:35:52,730 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 12:35:52,731 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 12:35:52,742 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-12-13 12:35:52,743 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:35:52,743 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:35:52,744 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 12:35:52,746 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:52,746 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:52,746 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-12-13 12:35:52,750 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:52,750 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:52,751 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:52,751 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:52,763 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:35:52,764 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:35:52,766 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:35:52,772 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-12-13 12:35:52,787 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-12-13 12:35:52,787 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-13 12:35:52,788 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 12:35:52,789 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 12:35:52,790 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-13 12:35:52,795 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:52,796 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:52,797 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:52,798 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:52,799 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:52,800 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:52,800 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:52,801 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:52,801 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:52,802 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:52,802 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:52,803 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:35:52,804 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 12:35:52,804 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-13 12:35:52,824 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:52,825 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:52,825 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:52,830 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:52,830 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:52,830 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:52,838 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:52,839 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:52,839 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:52,840 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:52,840 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:52,841 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:52,845 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:52,852 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:52,853 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:52,854 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-13 12:35:52,855 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:52,856 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-13 12:35:52,857 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:52,858 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:52,862 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:52,862 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:52,863 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-13 12:35:52,865 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:52,865 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:52,874 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-13 12:35:52,874 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-12-13 12:35:52,875 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 12:35:52,880 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,885 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:52,886 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,890 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:52,891 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,892 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:52,896 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:52,897 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:52,909 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,910 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,911 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,911 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,913 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,914 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,915 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,916 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,917 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-12-13 12:35:52,918 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,919 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,920 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,921 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,923 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,923 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,927 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,929 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:52,931 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,931 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,933 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,934 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,935 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:52,936 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,937 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,939 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,940 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,942 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,943 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,944 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,945 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,947 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,948 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,949 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,950 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,951 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,952 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,955 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,955 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,959 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:52,960 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,961 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,962 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:52,963 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,964 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,964 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:52,965 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,966 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,976 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,982 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,983 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,985 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:52,987 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,988 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,988 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,994 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:52,996 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,996 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:52,997 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:52,999 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:52,999 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,001 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,004 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,004 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,006 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,007 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,007 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:53,009 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,010 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,012 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,013 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,018 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:35:53,020 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:35:53,021 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 12:35:53,022 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:53,022 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 12:35:53,022 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,023 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,023 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,023 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,024 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 12:35:53,024 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,024 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,024 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,024 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,025 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,025 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,025 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,025 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,026 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,026 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,026 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,027 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,027 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,027 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,028 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,161 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:35:53,210 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,214 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,215 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,217 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,217 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,221 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,227 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 12:35:53,235 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,235 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,244 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,247 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,247 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-13 12:35:53,248 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,249 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,249 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-13 12:35:53,250 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,250 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,276 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,287 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,287 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:53,288 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:53,293 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,294 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:53,294 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:53,312 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,313 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,313 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,318 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-12-13 12:35:53,319 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,324 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-13 12:35:53,324 WARN L623 FunctionHandler]: Unknown extern function tun_get_socket [2022-12-13 12:35:53,325 WARN L623 FunctionHandler]: Unknown extern function macvtap_get_socket [2022-12-13 12:35:53,325 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,336 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,336 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:53,336 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:53,342 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,343 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,348 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,348 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,372 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 12:35:53,376 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:35:53,396 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:53,397 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:53,397 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-13 12:35:53,398 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:53,398 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:53,398 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:53,398 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:53,399 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,399 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,399 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,399 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,400 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,400 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,400 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,400 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,400 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,401 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 12:35:53,401 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,401 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,402 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,402 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,402 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,402 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,402 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,403 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,403 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,403 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,403 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,404 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,404 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,404 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,404 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,405 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,405 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,405 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,405 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,405 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,406 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,406 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,406 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,406 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,407 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,407 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,412 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_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-12-13 12:35:53,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:35:53,542 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 12:35:53,585 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:35:53,655 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 12:35:53,656 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 12:35:53,657 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 12:35:53,659 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 12:35:53,661 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 12:35:53,661 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 12:35:53,662 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:35:53,664 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-13 12:35:53,664 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-13 12:35:53,664 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-13 12:35:53,665 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,665 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 12:35:53,665 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-13 12:35:53,666 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:53,666 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,666 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 12:35:53,667 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:53,667 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,667 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 12:35:53,668 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:53,675 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:35:53,678 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:53,678 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:35:53,679 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:35:53,679 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-13 12:35:53,680 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:53,680 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 12:35:53,681 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:53,682 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:53,684 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,685 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-13 12:35:53,686 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:35:53,688 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-13 12:35:53,690 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 12:35:53,690 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:53,690 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 12:35:53,691 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 12:35:53,692 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 12:35:53,694 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-12-13 12:35:53,695 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:35:53,695 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:35:53,695 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 12:35:53,696 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:53,697 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:53,697 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-12-13 12:35:53,697 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,698 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,698 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,698 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,702 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:35:53,703 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:35:53,704 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:35:53,712 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-12-13 12:35:53,713 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-12-13 12:35:53,713 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-13 12:35:53,713 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 12:35:53,713 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 12:35:53,714 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-13 12:35:53,716 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:53,717 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,717 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,717 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:53,718 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,718 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:53,718 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,719 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,719 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:53,719 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:53,719 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,720 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:35:53,720 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 12:35:53,720 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-13 12:35:53,723 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,723 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:53,724 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:53,724 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,724 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:53,725 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:53,727 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,727 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,727 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,727 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:53,728 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:53,728 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,729 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:53,732 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:53,733 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:53,734 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-13 12:35:53,734 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:53,735 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-13 12:35:53,735 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:53,735 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,737 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:53,738 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:53,738 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-13 12:35:53,739 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:53,739 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,740 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-13 12:35:53,741 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-12-13 12:35:53,741 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 12:35:53,742 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,743 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:53,744 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,744 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:53,745 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,745 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:53,746 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,746 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:53,749 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,749 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,750 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,750 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,751 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,751 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,752 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,752 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,752 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-12-13 12:35:53,753 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,753 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,754 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,755 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,755 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,757 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,757 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,759 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:53,760 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,760 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,761 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,761 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,761 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:53,762 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,762 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,771 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,772 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,774 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,775 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,776 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,777 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,778 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,778 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,780 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,780 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,782 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,782 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,784 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,785 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,787 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:53,788 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,789 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,789 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:53,790 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,791 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,791 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:53,792 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,793 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,793 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,795 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,796 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,798 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:53,799 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,799 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,800 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,801 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:53,802 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,802 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,803 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:53,804 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,804 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,805 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,807 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,813 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,814 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,815 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,815 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:53,816 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,817 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,818 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,819 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,819 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:35:53,820 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:35:53,821 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 12:35:53,821 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:53,821 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 12:35:53,822 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,822 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,822 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,823 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,823 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 12:35:53,823 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,824 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,824 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,824 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,824 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,824 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,825 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,825 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,825 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,825 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,825 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,826 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,826 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,826 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,826 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,828 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:35:53,834 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,838 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,839 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,840 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,841 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,844 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,846 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 12:35:53,848 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,848 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,852 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,854 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,855 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-13 12:35:53,856 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,856 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,856 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-13 12:35:53,857 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:53,857 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:53,860 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,860 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,861 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:53,861 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:53,867 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,867 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:53,867 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:53,869 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,869 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,869 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,870 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-12-13 12:35:53,870 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,871 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-13 12:35:53,871 WARN L623 FunctionHandler]: Unknown extern function tun_get_socket [2022-12-13 12:35:53,871 WARN L623 FunctionHandler]: Unknown extern function macvtap_get_socket [2022-12-13 12:35:53,871 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,873 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,873 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:53,878 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:53,879 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,879 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,880 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,880 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:53,883 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 12:35:53,884 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:35:53,884 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:53,884 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:53,884 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-13 12:35:53,885 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:53,885 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:53,885 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:53,885 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:53,885 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,885 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,886 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,886 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,886 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,886 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,886 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,886 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,886 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,887 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 12:35:53,887 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,887 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,887 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,887 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,887 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,887 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,888 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,888 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,888 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,888 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,888 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,888 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,888 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,888 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,889 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,889 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,889 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,889 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,889 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,889 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,889 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,889 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,890 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,890 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,890 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:53,890 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:53,890 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_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-12-13 12:35:53,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:35:53,900 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:35:53,963 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-13 12:35:53,963 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-13 12:35:53,964 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 12:35:53,965 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-13 12:35:53,966 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 12:35:53,966 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 12:35:53,966 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-13 12:35:53,967 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-12-13 12:35:53,967 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-12-13 12:35:53,967 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-12-13 12:35:53,968 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,968 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 12:35:53,968 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-12-13 12:35:53,968 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:53,968 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,969 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 12:35:53,969 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:53,969 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,969 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-12-13 12:35:53,969 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:53,970 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:35:53,972 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:53,972 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:35:53,972 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 12:35:53,972 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-12-13 12:35:53,973 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:53,973 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 12:35:53,973 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:53,974 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:53,976 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:53,977 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-13 12:35:53,978 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:35:53,981 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-13 12:35:53,982 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 12:35:53,982 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:53,982 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 12:35:53,984 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 12:35:53,984 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 12:35:53,987 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-12-13 12:35:53,988 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-13 12:35:53,988 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:35:53,988 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-12-13 12:35:53,989 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:53,989 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:53,989 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-12-13 12:35:53,989 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,990 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,990 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,990 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:53,992 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:35:53,993 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 12:35:53,994 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 12:35:53,996 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-12-13 12:35:53,997 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-12-13 12:35:53,997 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-12-13 12:35:53,997 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-12-13 12:35:53,997 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 12:35:53,998 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-13 12:35:54,009 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:54,010 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:54,011 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:54,011 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:54,012 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:54,012 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:54,013 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:54,013 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:54,013 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:54,014 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:54,014 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:54,015 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:35:54,015 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-12-13 12:35:54,015 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-12-13 12:35:54,020 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:54,020 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:54,021 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:54,022 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:54,022 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:54,022 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:54,033 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:54,034 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:54,034 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:54,034 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:54,035 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:54,035 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:54,036 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:54,042 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:54,043 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:54,044 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-13 12:35:54,045 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:54,045 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-13 12:35:54,046 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:54,047 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:54,050 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:54,050 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-12-13 12:35:54,051 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-12-13 12:35:54,052 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-12-13 12:35:54,052 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:54,054 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-12-13 12:35:54,055 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-12-13 12:35:54,055 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-12-13 12:35:54,057 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,058 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:54,059 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,059 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:54,060 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,061 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:54,062 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:54,063 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:54,067 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,067 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,068 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,069 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,069 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,070 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,071 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,071 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,071 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-12-13 12:35:54,072 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,073 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,073 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,074 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,075 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,075 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,077 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,077 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,079 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:54,080 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,081 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,082 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,082 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,083 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:54,084 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,084 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,085 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,085 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,087 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,087 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,088 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,088 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,089 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,089 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,090 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,091 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,092 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,092 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,093 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,094 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,096 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:54,096 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,096 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,097 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:54,097 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,097 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,098 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-12-13 12:35:54,098 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,098 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,099 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,100 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,101 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,102 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:54,103 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,103 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,103 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,104 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:54,105 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,105 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,106 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 12:35:54,106 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,106 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,107 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,108 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,109 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,109 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,109 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,110 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-12-13 12:35:54,110 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,111 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,112 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,112 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,112 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 12:35:54,119 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 12:35:54,120 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-13 12:35:54,120 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 12:35:54,120 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 12:35:54,120 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:54,121 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,122 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,122 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,122 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 12:35:54,122 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,122 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,122 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,123 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,123 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,123 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,123 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,123 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,123 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,123 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,123 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,123 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,124 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,124 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,124 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,125 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-13 12:35:54,133 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:54,135 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,135 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,136 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,136 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,139 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,140 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-13 12:35:54,142 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,143 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,145 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:54,148 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,148 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-13 12:35:54,149 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,149 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,149 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-12-13 12:35:54,149 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-13 12:35:54,150 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-12-13 12:35:54,158 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:54,159 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:54,159 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:54,159 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:54,160 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:54,160 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:54,160 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:54,161 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:54,162 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:54,162 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 12:35:54,162 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-12-13 12:35:54,163 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:54,164 WARN L623 FunctionHandler]: Unknown extern function fget [2022-12-13 12:35:54,164 WARN L623 FunctionHandler]: Unknown extern function tun_get_socket [2022-12-13 12:35:54,164 WARN L623 FunctionHandler]: Unknown extern function macvtap_get_socket [2022-12-13 12:35:54,164 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:54,165 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-13 12:35:54,166 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-12-13 12:35:54,166 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-12-13 12:35:54,167 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:54,167 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:54,167 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:54,168 WARN L623 FunctionHandler]: Unknown extern function fput [2022-12-13 12:35:54,170 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-12-13 12:35:54,171 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-12-13 12:35:54,171 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:54,171 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:54,171 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-12-13 12:35:54,171 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:54,172 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:54,172 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:54,172 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-12-13 12:35:54,172 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,172 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,172 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,173 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,173 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,173 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,173 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,173 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,173 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,173 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-12-13 12:35:54,173 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,174 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,174 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,174 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,174 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,174 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,174 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,174 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,174 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,175 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,175 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,175 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,175 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,175 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,180 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,180 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,180 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,180 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,180 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,181 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,181 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,181 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,181 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,181 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,181 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-12-13 12:35:54,181 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-13 12:35:54,182 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_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-12-13 12:35:54,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:35:54,231 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:35:54,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:54 WrapperNode [2022-12-13 12:35:54,232 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:35:54,232 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:35:54,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:35:54,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:35:54,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:54" (1/1) ... [2022-12-13 12:35:54,282 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:54" (1/1) ... [2022-12-13 12:35:54,412 INFO L138 Inliner]: procedures = 350, calls = 2627, calls flagged for inlining = 143, calls inlined = 135, statements flattened = 6427 [2022-12-13 12:35:54,412 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:35:54,413 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:35:54,413 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:35:54,413 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:35:54,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:54" (1/1) ... [2022-12-13 12:35:54,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:54" (1/1) ... [2022-12-13 12:35:54,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:54" (1/1) ... [2022-12-13 12:35:54,448 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:54" (1/1) ... [2022-12-13 12:35:54,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:54" (1/1) ... [2022-12-13 12:35:54,602 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:54" (1/1) ... [2022-12-13 12:35:54,621 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:54" (1/1) ... [2022-12-13 12:35:54,634 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:54" (1/1) ... [2022-12-13 12:35:54,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:35:54,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:35:54,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:35:54,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:35:54,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:54" (1/1) ... [2022-12-13 12:35:54,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:35:54,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:35:54,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:35:54,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:35:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2022-12-13 12:35:54,728 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2022-12-13 12:35:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2022-12-13 12:35:54,728 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2022-12-13 12:35:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2022-12-13 12:35:54,728 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2022-12-13 12:35:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 12:35:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2022-12-13 12:35:54,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2022-12-13 12:35:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-12-13 12:35:54,729 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-12-13 12:35:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 12:35:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 12:35:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-12-13 12:35:54,729 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-12-13 12:35:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-13 12:35:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-13 12:35:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-12-13 12:35:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-12-13 12:35:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-13 12:35:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-12-13 12:35:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-12-13 12:35:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2022-12-13 12:35:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2022-12-13 12:35:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2022-12-13 12:35:54,730 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2022-12-13 12:35:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2022-12-13 12:35:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2022-12-13 12:35:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-12-13 12:35:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-12-13 12:35:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-13 12:35:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-13 12:35:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-13 12:35:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-13 12:35:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-12-13 12:35:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-12-13 12:35:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 12:35:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 12:35:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-12-13 12:35:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-12-13 12:35:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-13 12:35:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-13 12:35:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-12-13 12:35:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-12-13 12:35:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-12-13 12:35:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-13 12:35:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-13 12:35:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2022-12-13 12:35:54,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2022-12-13 12:35:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2022-12-13 12:35:54,733 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2022-12-13 12:35:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-12-13 12:35:54,733 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-12-13 12:35:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2022-12-13 12:35:54,733 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2022-12-13 12:35:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2022-12-13 12:35:54,733 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2022-12-13 12:35:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-12-13 12:35:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-12-13 12:35:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-13 12:35:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-13 12:35:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-13 12:35:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-13 12:35:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-12-13 12:35:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-12-13 12:35:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2022-12-13 12:35:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2022-12-13 12:35:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:35:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 12:35:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 12:35:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-12-13 12:35:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-12-13 12:35:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2022-12-13 12:35:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2022-12-13 12:35:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 12:35:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-13 12:35:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-13 12:35:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-12-13 12:35:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-12-13 12:35:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2022-12-13 12:35:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2022-12-13 12:35:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 12:35:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 12:35:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-12-13 12:35:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:35:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 12:35:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 12:35:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-12-13 12:35:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-12-13 12:35:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2022-12-13 12:35:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2022-12-13 12:35:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-13 12:35:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-13 12:35:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-12-13 12:35:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2022-12-13 12:35:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2022-12-13 12:35:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 12:35:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 12:35:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2022-12-13 12:35:54,737 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2022-12-13 12:35:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-13 12:35:54,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-13 12:35:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 12:35:54,737 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 12:35:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-12-13 12:35:54,737 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-12-13 12:35:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-13 12:35:54,737 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-13 12:35:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2022-12-13 12:35:54,737 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2022-12-13 12:35:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2022-12-13 12:35:54,737 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2022-12-13 12:35:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2022-12-13 12:35:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2022-12-13 12:35:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-12-13 12:35:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-12-13 12:35:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-12-13 12:35:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-12-13 12:35:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-13 12:35:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-13 12:35:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-12-13 12:35:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-12-13 12:35:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-13 12:35:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-13 12:35:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-12-13 12:35:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-12-13 12:35:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-12-13 12:35:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-12-13 12:35:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-12-13 12:35:54,739 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-12-13 12:35:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2022-12-13 12:35:54,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2022-12-13 12:35:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-12-13 12:35:54,739 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-12-13 12:35:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 12:35:54,739 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 12:35:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-12-13 12:35:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2022-12-13 12:35:54,739 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2022-12-13 12:35:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-12-13 12:35:54,739 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-12-13 12:35:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-12-13 12:35:54,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-12-13 12:35:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-12-13 12:35:54,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-12-13 12:35:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2022-12-13 12:35:54,740 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2022-12-13 12:35:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-12-13 12:35:54,740 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-12-13 12:35:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2022-12-13 12:35:54,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2022-12-13 12:35:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2022-12-13 12:35:54,740 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2022-12-13 12:35:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-12-13 12:35:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-12-13 12:35:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 12:35:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-12-13 12:35:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-12-13 12:35:54,740 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-12-13 12:35:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-12-13 12:35:54,740 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-12-13 12:35:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-12-13 12:35:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-12-13 12:35:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 12:35:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 12:35:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2022-12-13 12:35:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2022-12-13 12:35:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-12-13 12:35:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-12-13 12:35:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 12:35:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-12-13 12:35:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-12-13 12:35:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-12-13 12:35:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-12-13 12:35:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2022-12-13 12:35:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2022-12-13 12:35:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:35:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-12-13 12:35:54,742 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-12-13 12:35:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2022-12-13 12:35:54,742 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2022-12-13 12:35:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-12-13 12:35:54,742 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-12-13 12:35:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 12:35:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-12-13 12:35:54,742 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-12-13 12:35:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-13 12:35:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-12-13 12:35:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-12-13 12:35:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-12-13 12:35:54,742 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-12-13 12:35:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:35:54,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-13 12:35:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-12-13 12:35:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-12-13 12:35:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-12-13 12:35:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-12-13 12:35:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-12-13 12:35:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-12-13 12:35:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-12-13 12:35:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-12-13 12:35:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-12-13 12:35:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-13 12:35:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-13 12:35:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-13 12:35:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-13 12:35:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2022-12-13 12:35:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2022-12-13 12:35:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-12-13 12:35:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-12-13 12:35:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-13 12:35:54,744 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-13 12:35:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2022-12-13 12:35:54,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2022-12-13 12:35:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2022-12-13 12:35:54,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2022-12-13 12:35:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-12-13 12:35:54,744 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-12-13 12:35:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-12-13 12:35:54,744 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-12-13 12:35:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-12-13 12:35:54,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-12-13 12:35:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-12-13 12:35:54,744 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-12-13 12:35:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-13 12:35:54,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-13 12:35:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-13 12:35:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-13 12:35:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2022-12-13 12:35:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2022-12-13 12:35:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-12-13 12:35:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2022-12-13 12:35:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2022-12-13 12:35:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2022-12-13 12:35:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2022-12-13 12:35:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-13 12:35:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-13 12:35:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:35:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:35:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-13 12:35:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-13 12:35:55,332 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:35:55,335 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:36:19,662 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857: SUMMARY for call __copy_to_user_#t~ret139#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2022-12-13 12:36:19,662 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5857-1: __copy_to_user_~tmp___1~3#1 := __copy_to_user_#t~ret139#1;havoc __copy_to_user_#t~ret139#1; [2022-12-13 12:36:19,662 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845: SUMMARY for call __copy_to_user_#t~ret138#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_to_user_~ret~2#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2022-12-13 12:36:19,662 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5845-1: __copy_to_user_~tmp___0~6#1 := __copy_to_user_#t~ret138#1;havoc __copy_to_user_#t~ret138#1; [2022-12-13 12:36:19,662 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch137#1; [2022-12-13 12:36:19,662 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch137#1; [2022-12-13 12:36:19,662 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume 0bv64 != __copy_to_user_~tmp___1~3#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:36:19,663 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5858: assume !(0bv64 != __copy_to_user_~tmp___1~3#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:36:19,663 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch137#1; [2022-12-13 12:36:19,663 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := true; [2022-12-13 12:36:19,663 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch137#1; [2022-12-13 12:36:19,663 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume 0bv64 != __copy_to_user_~tmp___0~6#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:36:19,663 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5846: assume !(0bv64 != __copy_to_user_~tmp___0~6#1);__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:36:19,663 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch137#1; [2022-12-13 12:36:19,663 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 16bv32 == __copy_to_user_~size#1; [2022-12-13 12:36:19,663 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:36:19,663 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5838: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 10bv32 == __copy_to_user_~size#1; [2022-12-13 12:36:19,664 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867: SUMMARY for call __copy_to_user_#t~ret140#1 := copy_user_generic(__copy_to_user_~dst#1.base, __copy_to_user_~dst#1.offset, __copy_to_user_~src#1.base, __copy_to_user_~src#1.offset, __copy_to_user_~size#1); srcloc: null [2022-12-13 12:36:19,664 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:36:19,664 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5834: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 8bv32 == __copy_to_user_~size#1; [2022-12-13 12:36:19,664 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5867-1: __copy_to_user_~tmp___2~4#1 := __copy_to_user_#t~ret140#1;havoc __copy_to_user_#t~ret140#1;__copy_to_user_#res#1 := __copy_to_user_~tmp___2~4#1[32:0]; [2022-12-13 12:36:19,664 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:36:19,664 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5830: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 4bv32 == __copy_to_user_~size#1; [2022-12-13 12:36:19,664 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume __copy_to_user_#t~switch137#1;__copy_to_user_#res#1 := __copy_to_user_~ret~2#1; [2022-12-13 12:36:19,664 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := __copy_to_user_#t~switch137#1 || 2bv32 == __copy_to_user_~size#1; [2022-12-13 12:36:34,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785: SUMMARY for call __copy_from_user_#t~ret133#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2022-12-13 12:36:34,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5785-1: __copy_from_user_~tmp___0~5#1 := __copy_from_user_#t~ret133#1;havoc __copy_from_user_#t~ret133#1; [2022-12-13 12:36:34,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume 0bv64 != __copy_from_user_~tmp___0~5#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:36:34,962 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5786: assume !(0bv64 != __copy_from_user_~tmp___0~5#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:36:34,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch132#1; [2022-12-13 12:36:34,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch132#1; [2022-12-13 12:36:34,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := true; [2022-12-13 12:36:34,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798: SUMMARY for call __copy_from_user_#t~ret134#1 := ldv__builtin_expect(~sign_extendFrom32To64((if 0bv32 != __copy_from_user_~ret~1#1 then 1bv32 else 0bv32)), 0bv64); srcloc: null [2022-12-13 12:36:34,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5798-1: __copy_from_user_~tmp___1~2#1 := __copy_from_user_#t~ret134#1;havoc __copy_from_user_#t~ret134#1; [2022-12-13 12:36:34,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume 0bv64 != __copy_from_user_~tmp___1~2#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:36:34,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5799: assume !(0bv64 != __copy_from_user_~tmp___1~2#1);__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:36:34,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:36:34,963 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5766: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 4bv32 == __copy_from_user_~size#1; [2022-12-13 12:36:34,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:36:34,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5771: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 8bv32 == __copy_from_user_~size#1; [2022-12-13 12:36:34,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##75: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 2bv32 == __copy_from_user_~size#1; [2022-12-13 12:36:34,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##74: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:36:34,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch132#1; [2022-12-13 12:36:34,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch132#1; [2022-12-13 12:36:34,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808-1: __copy_from_user_~tmp___2~3#1 := __copy_from_user_#t~ret135#1;havoc __copy_from_user_#t~ret135#1;__copy_from_user_#res#1 := __copy_from_user_~tmp___2~3#1[32:0]; [2022-12-13 12:36:34,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5808: SUMMARY for call __copy_from_user_#t~ret135#1 := copy_user_generic(__copy_from_user_~dst#1.base, __copy_from_user_~dst#1.offset, __copy_from_user_~src#1.base, __copy_from_user_~src#1.offset, __copy_from_user_~size#1); srcloc: null [2022-12-13 12:36:34,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume __copy_from_user_#t~switch132#1;__copy_from_user_#res#1 := __copy_from_user_~ret~1#1; [2022-12-13 12:36:34,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5776: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 10bv32 == __copy_from_user_~size#1; [2022-12-13 12:36:34,964 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch132#1; [2022-12-13 12:36:34,965 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := __copy_from_user_#t~switch132#1 || 16bv32 == __copy_from_user_~size#1; [2022-12-13 12:36:43,010 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:36:43,024 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:36:43,024 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:36:43,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:36:43 BoogieIcfgContainer [2022-12-13 12:36:43,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:36:43,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:36:43,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:36:43,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:36:43,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:35:51" (1/3) ... [2022-12-13 12:36:43,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5a0483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:36:43, skipping insertion in model container [2022-12-13 12:36:43,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:35:54" (2/3) ... [2022-12-13 12:36:43,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e5a0483 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:36:43, skipping insertion in model container [2022-12-13 12:36:43,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:36:43" (3/3) ... [2022-12-13 12:36:43,033 INFO L112 eAbstractionObserver]: Analyzing ICFG main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-12-13 12:36:43,047 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:36:43,047 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 12:36:43,111 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:36:43,115 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=PETRI_NET, 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;@4c3c5949, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:36:43,115 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 12:36:43,122 INFO L276 IsEmpty]: Start isEmpty. Operand has 2200 states, 1522 states have (on average 1.3442838370565047) internal successors, (2046), 1568 states have internal predecessors, (2046), 572 states have call successors, (572), 104 states have call predecessors, (572), 104 states have return successors, (572), 567 states have call predecessors, (572), 572 states have call successors, (572) [2022-12-13 12:36:43,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-13 12:36:43,127 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:36:43,128 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:36:43,128 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:36:43,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:36:43,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1066115318, now seen corresponding path program 1 times [2022-12-13 12:36:43,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:36:43,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [359126835] [2022-12-13 12:36:43,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:36:43,142 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 [2022-12-13 12:36:43,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:36:43,143 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 12:36:43,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:43,569 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:36:43,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:36:43,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:36:43,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:36:43,707 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 12:36:43,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [359126835] [2022-12-13 12:36:43,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [359126835] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:36:43,708 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:36:43,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:36:43,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056222380] [2022-12-13 12:36:43,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:36:43,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:36:43,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 12:36:43,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:36:43,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:36:43,742 INFO L87 Difference]: Start difference. First operand has 2200 states, 1522 states have (on average 1.3442838370565047) internal successors, (2046), 1568 states have internal predecessors, (2046), 572 states have call successors, (572), 104 states have call predecessors, (572), 104 states have return successors, (572), 567 states have call predecessors, (572), 572 states have call successors, (572) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:36:43,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:36:43,975 INFO L93 Difference]: Finished difference Result 4386 states and 6444 transitions. [2022-12-13 12:36:43,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:36:43,977 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 [2022-12-13 12:36:43,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:36:43,997 INFO L225 Difference]: With dead ends: 4386 [2022-12-13 12:36:43,997 INFO L226 Difference]: Without dead ends: 2189 [2022-12-13 12:36:44,009 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 [2022-12-13 12:36:44,011 INFO L413 NwaCegarLoop]: 3178 mSDtfsCounter, 3166 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3166 SdHoareTripleChecker+Valid, 3178 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:36:44,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3166 Valid, 3178 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:36:44,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2022-12-13 12:36:44,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 2189. [2022-12-13 12:36:44,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2189 states, 1514 states have (on average 1.3408190224570673) internal successors, (2030), 1557 states have internal predecessors, (2030), 571 states have call successors, (571), 104 states have call predecessors, (571), 103 states have return successors, (566), 561 states have call predecessors, (566), 566 states have call successors, (566) [2022-12-13 12:36:44,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 2189 states and 3167 transitions. [2022-12-13 12:36:44,159 INFO L78 Accepts]: Start accepts. Automaton has 2189 states and 3167 transitions. Word has length 16 [2022-12-13 12:36:44,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:36:44,160 INFO L495 AbstractCegarLoop]: Abstraction has 2189 states and 3167 transitions. [2022-12-13 12:36:44,160 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) [2022-12-13 12:36:44,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 3167 transitions. [2022-12-13 12:36:44,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 12:36:44,161 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:36:44,161 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:36:44,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:44,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:44,362 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:36:44,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:36:44,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1309145204, now seen corresponding path program 1 times [2022-12-13 12:36:44,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:36:44,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1603924166] [2022-12-13 12:36:44,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:36:44,364 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 [2022-12-13 12:36:44,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:36:44,365 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 12:36:44,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:44,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:36:44,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:36:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:36:44,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:36:44,890 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 12:36:44,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1603924166] [2022-12-13 12:36:44,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1603924166] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:36:44,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:36:44,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:36:44,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419874142] [2022-12-13 12:36:44,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:36:44,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:36:44,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 12:36:44,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:36:44,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:36:44,892 INFO L87 Difference]: Start difference. First operand 2189 states and 3167 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:36:45,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:36:45,047 INFO L93 Difference]: Finished difference Result 2191 states and 3168 transitions. [2022-12-13 12:36:45,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:36:45,047 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 [2022-12-13 12:36:45,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:36:45,057 INFO L225 Difference]: With dead ends: 2191 [2022-12-13 12:36:45,057 INFO L226 Difference]: Without dead ends: 2188 [2022-12-13 12:36:45,058 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 [2022-12-13 12:36:45,059 INFO L413 NwaCegarLoop]: 3164 mSDtfsCounter, 3151 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 3164 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:36:45,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 3164 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:36:45,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2188 states. [2022-12-13 12:36:45,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2188 to 2188. [2022-12-13 12:36:45,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2188 states, 1514 states have (on average 1.3401585204755615) internal successors, (2029), 1556 states have internal predecessors, (2029), 570 states have call successors, (570), 104 states have call predecessors, (570), 103 states have return successors, (566), 561 states have call predecessors, (566), 566 states have call successors, (566) [2022-12-13 12:36:45,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 2188 states and 3165 transitions. [2022-12-13 12:36:45,165 INFO L78 Accepts]: Start accepts. Automaton has 2188 states and 3165 transitions. Word has length 17 [2022-12-13 12:36:45,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:36:45,165 INFO L495 AbstractCegarLoop]: Abstraction has 2188 states and 3165 transitions. [2022-12-13 12:36:45,165 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) [2022-12-13 12:36:45,165 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 3165 transitions. [2022-12-13 12:36:45,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 12:36:45,166 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:36:45,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:36:45,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:45,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:45,367 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:36:45,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:36:45,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1927782221, now seen corresponding path program 1 times [2022-12-13 12:36:45,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:36:45,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349891029] [2022-12-13 12:36:45,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:36:45,368 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 [2022-12-13 12:36:45,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:36:45,369 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 12:36:45,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:45,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:36:45,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:36:45,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:36:45,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:36:45,839 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 12:36:45,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349891029] [2022-12-13 12:36:45,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1349891029] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:36:45,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:36:45,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:36:45,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269935564] [2022-12-13 12:36:45,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:36:45,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:36:45,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 12:36:45,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:36:45,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:36:45,841 INFO L87 Difference]: Start difference. First operand 2188 states and 3165 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:36:46,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:36:46,015 INFO L93 Difference]: Finished difference Result 2190 states and 3166 transitions. [2022-12-13 12:36:46,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:36:46,016 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 [2022-12-13 12:36:46,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:36:46,024 INFO L225 Difference]: With dead ends: 2190 [2022-12-13 12:36:46,024 INFO L226 Difference]: Without dead ends: 2187 [2022-12-13 12:36:46,025 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 [2022-12-13 12:36:46,026 INFO L413 NwaCegarLoop]: 3162 mSDtfsCounter, 3148 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3148 SdHoareTripleChecker+Valid, 3162 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:36:46,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3148 Valid, 3162 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:36:46,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2022-12-13 12:36:46,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2187. [2022-12-13 12:36:46,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2187 states, 1514 states have (on average 1.3394980184940555) internal successors, (2028), 1555 states have internal predecessors, (2028), 569 states have call successors, (569), 104 states have call predecessors, (569), 103 states have return successors, (566), 561 states have call predecessors, (566), 566 states have call successors, (566) [2022-12-13 12:36:46,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 2187 states and 3163 transitions. [2022-12-13 12:36:46,129 INFO L78 Accepts]: Start accepts. Automaton has 2187 states and 3163 transitions. Word has length 18 [2022-12-13 12:36:46,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:36:46,129 INFO L495 AbstractCegarLoop]: Abstraction has 2187 states and 3163 transitions. [2022-12-13 12:36:46,129 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) [2022-12-13 12:36:46,129 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 3163 transitions. [2022-12-13 12:36:46,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 12:36:46,129 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:36:46,130 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:36:46,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:46,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:46,331 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:36:46,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:36:46,331 INFO L85 PathProgramCache]: Analyzing trace with hash -369301865, now seen corresponding path program 1 times [2022-12-13 12:36:46,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:36:46,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [242548432] [2022-12-13 12:36:46,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:36:46,332 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 [2022-12-13 12:36:46,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:36:46,333 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 12:36:46,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:46,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:36:46,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:36:46,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:36:46,894 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:36:46,894 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 12:36:46,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [242548432] [2022-12-13 12:36:46,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [242548432] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:36:46,895 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:36:46,895 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:36:46,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322578206] [2022-12-13 12:36:46,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:36:46,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:36:46,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 12:36:46,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:36:46,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:36:46,896 INFO L87 Difference]: Start difference. First operand 2187 states and 3163 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:36:47,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:36:47,157 INFO L93 Difference]: Finished difference Result 4958 states and 7106 transitions. [2022-12-13 12:36:47,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:36:47,158 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 [2022-12-13 12:36:47,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:36:47,169 INFO L225 Difference]: With dead ends: 4958 [2022-12-13 12:36:47,169 INFO L226 Difference]: Without dead ends: 2773 [2022-12-13 12:36:47,177 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 [2022-12-13 12:36:47,178 INFO L413 NwaCegarLoop]: 3554 mSDtfsCounter, 1198 mSDsluCounter, 2702 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1198 SdHoareTripleChecker+Valid, 6256 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:36:47,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1198 Valid, 6256 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:36:47,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2773 states. [2022-12-13 12:36:47,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2773 to 2770. [2022-12-13 12:36:47,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2770 states, 1912 states have (on average 1.3216527196652719) internal successors, (2527), 1972 states have internal predecessors, (2527), 688 states have call successors, (688), 172 states have call predecessors, (688), 169 states have return successors, (693), 667 states have call predecessors, (693), 679 states have call successors, (693) [2022-12-13 12:36:47,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3908 transitions. [2022-12-13 12:36:47,352 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3908 transitions. Word has length 19 [2022-12-13 12:36:47,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:36:47,352 INFO L495 AbstractCegarLoop]: Abstraction has 2770 states and 3908 transitions. [2022-12-13 12:36:47,352 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) [2022-12-13 12:36:47,352 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3908 transitions. [2022-12-13 12:36:47,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 12:36:47,355 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:36:47,356 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:36:47,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:47,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:47,556 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:36:47,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:36:47,557 INFO L85 PathProgramCache]: Analyzing trace with hash 393489938, now seen corresponding path program 1 times [2022-12-13 12:36:47,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:36:47,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [795333297] [2022-12-13 12:36:47,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:36:47,558 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 [2022-12-13 12:36:47,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:36:47,559 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 12:36:47,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:47,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:36:47,988 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:36:48,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:36:48,126 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:36:48,127 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 12:36:48,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [795333297] [2022-12-13 12:36:48,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [795333297] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:36:48,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:36:48,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:36:48,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643190732] [2022-12-13 12:36:48,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:36:48,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:36:48,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 12:36:48,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:36:48,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:36:48,129 INFO L87 Difference]: Start difference. First operand 2770 states and 3908 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 12:36:48,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:36:48,364 INFO L93 Difference]: Finished difference Result 5549 states and 7834 transitions. [2022-12-13 12:36:48,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:36:48,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 55 [2022-12-13 12:36:48,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:36:48,375 INFO L225 Difference]: With dead ends: 5549 [2022-12-13 12:36:48,375 INFO L226 Difference]: Without dead ends: 2790 [2022-12-13 12:36:48,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:36:48,385 INFO L413 NwaCegarLoop]: 3145 mSDtfsCounter, 43 mSDsluCounter, 3091 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 6236 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:36:48,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 6236 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:36:48,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2790 states. [2022-12-13 12:36:48,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2790 to 2790. [2022-12-13 12:36:48,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 1928 states have (on average 1.3215767634854771) internal successors, (2548), 1988 states have internal predecessors, (2548), 692 states have call successors, (692), 172 states have call predecessors, (692), 169 states have return successors, (697), 671 states have call predecessors, (697), 683 states have call successors, (697) [2022-12-13 12:36:48,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3937 transitions. [2022-12-13 12:36:48,563 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3937 transitions. Word has length 55 [2022-12-13 12:36:48,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:36:48,563 INFO L495 AbstractCegarLoop]: Abstraction has 2790 states and 3937 transitions. [2022-12-13 12:36:48,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 12:36:48,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3937 transitions. [2022-12-13 12:36:48,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-12-13 12:36:48,568 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:36:48,568 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] [2022-12-13 12:36:48,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:48,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:48,768 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:36:48,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:36:48,769 INFO L85 PathProgramCache]: Analyzing trace with hash -742912640, now seen corresponding path program 1 times [2022-12-13 12:36:48,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:36:48,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [114186651] [2022-12-13 12:36:48,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:36:48,770 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 [2022-12-13 12:36:48,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:36:48,770 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 12:36:48,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:49,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:36:49,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:36:49,239 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 12:36:49,240 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:36:49,240 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 12:36:49,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [114186651] [2022-12-13 12:36:49,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [114186651] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:36:49,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:36:49,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:36:49,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126751092] [2022-12-13 12:36:49,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:36:49,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:36:49,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 12:36:49,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:36:49,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:36:49,241 INFO L87 Difference]: Start difference. First operand 2790 states and 3937 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 12:36:49,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:36:49,421 INFO L93 Difference]: Finished difference Result 5571 states and 7929 transitions. [2022-12-13 12:36:49,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:36:49,422 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) Word has length 57 [2022-12-13 12:36:49,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:36:49,432 INFO L225 Difference]: With dead ends: 5571 [2022-12-13 12:36:49,433 INFO L226 Difference]: Without dead ends: 2792 [2022-12-13 12:36:49,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:36:49,444 INFO L413 NwaCegarLoop]: 3140 mSDtfsCounter, 0 mSDsluCounter, 3133 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6273 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:36:49,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6273 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:36:49,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2792 states. [2022-12-13 12:36:49,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2792 to 2790. [2022-12-13 12:36:49,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 1928 states have (on average 1.3184647302904564) internal successors, (2542), 1988 states have internal predecessors, (2542), 692 states have call successors, (692), 172 states have call predecessors, (692), 169 states have return successors, (697), 671 states have call predecessors, (697), 683 states have call successors, (697) [2022-12-13 12:36:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3931 transitions. [2022-12-13 12:36:49,598 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3931 transitions. Word has length 57 [2022-12-13 12:36:49,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:36:49,598 INFO L495 AbstractCegarLoop]: Abstraction has 2790 states and 3931 transitions. [2022-12-13 12:36:49,598 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 12:36:49,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3931 transitions. [2022-12-13 12:36:49,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-13 12:36:49,600 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:36:49,600 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:36:49,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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)] Forceful destruction successful, exit code 0 [2022-12-13 12:36:49,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:49,801 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:36:49,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:36:49,801 INFO L85 PathProgramCache]: Analyzing trace with hash -64168537, now seen corresponding path program 1 times [2022-12-13 12:36:49,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:36:49,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [71938855] [2022-12-13 12:36:49,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:36:49,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 12:36:49,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:36:49,803 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 12:36:49,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:36:50,198 INFO L263 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 12:36:50,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:36:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 12:36:50,459 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:36:50,459 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 12:36:50,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [71938855] [2022-12-13 12:36:50,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [71938855] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:36:50,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:36:50,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:36:50,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887420846] [2022-12-13 12:36:50,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:36:50,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:36:50,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 12:36:50,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:36:50,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:36:50,461 INFO L87 Difference]: Start difference. First operand 2790 states and 3931 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 12:36:50,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:36:50,650 INFO L93 Difference]: Finished difference Result 4594 states and 6423 transitions. [2022-12-13 12:36:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:36:50,651 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 63 [2022-12-13 12:36:50,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:36:50,659 INFO L225 Difference]: With dead ends: 4594 [2022-12-13 12:36:50,659 INFO L226 Difference]: Without dead ends: 2316 [2022-12-13 12:36:50,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:36:50,666 INFO L413 NwaCegarLoop]: 3045 mSDtfsCounter, 2130 mSDsluCounter, 999 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2130 SdHoareTripleChecker+Valid, 4044 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 12:36:50,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2130 Valid, 4044 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 12:36:50,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states. [2022-12-13 12:36:50,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 2316. [2022-12-13 12:36:50,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2316 states, 1607 states have (on average 1.3067828251400124) internal successors, (2100), 1652 states have internal predecessors, (2100), 551 states have call successors, (551), 161 states have call predecessors, (551), 157 states have return successors, (538), 531 states have call predecessors, (538), 538 states have call successors, (538) [2022-12-13 12:36:50,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 2316 states and 3189 transitions. [2022-12-13 12:36:50,780 INFO L78 Accepts]: Start accepts. Automaton has 2316 states and 3189 transitions. Word has length 63 [2022-12-13 12:36:50,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:36:50,781 INFO L495 AbstractCegarLoop]: Abstraction has 2316 states and 3189 transitions. [2022-12-13 12:36:50,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 12:36:50,781 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 3189 transitions. [2022-12-13 12:36:50,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-13 12:36:50,782 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:36:50,783 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:36:50,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-13 12:36:50,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:50,984 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 12:36:50,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:36:50,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1064965082, now seen corresponding path program 1 times [2022-12-13 12:36:50,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 12:36:50,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [245487928] [2022-12-13 12:36:50,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:36:50,989 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 [2022-12-13 12:36:50,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 12:36:50,992 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 12:36:50,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:36:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:36:55,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 12:37:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 12:37:01,781 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2022-12-13 12:37:01,781 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 12:37:01,782 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 12:37:01,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:37:01,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 12:37:01,987 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:37:01,989 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:37:02,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:37:02 BoogieIcfgContainer [2022-12-13 12:37:02,051 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:37:02,052 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:37:02,052 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:37:02,052 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:37:02,052 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:36:43" (3/4) ... [2022-12-13 12:37:02,065 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 12:37:02,065 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:37:02,065 INFO L158 Benchmark]: Toolchain (without parser) took 70655.04ms. Allocated memory was 79.7MB in the beginning and 520.1MB in the end (delta: 440.4MB). Free memory was 45.5MB in the beginning and 392.8MB in the end (delta: -347.3MB). Peak memory consumption was 386.9MB. Max. memory is 16.1GB. [2022-12-13 12:37:02,066 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 56.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:37:02,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2820.62ms. Allocated memory was 79.7MB in the beginning and 142.6MB in the end (delta: 62.9MB). Free memory was 45.2MB in the beginning and 54.4MB in the end (delta: -9.2MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2022-12-13 12:37:02,066 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.04ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 55.0MB in the end (delta: -529.5kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 12:37:02,066 INFO L158 Benchmark]: Boogie Preprocessor took 244.91ms. Allocated memory was 142.6MB in the beginning and 260.0MB in the end (delta: 117.4MB). Free memory was 55.0MB in the beginning and 166.0MB in the end (delta: -111.0MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2022-12-13 12:37:02,067 INFO L158 Benchmark]: RCFGBuilder took 48369.19ms. Allocated memory was 260.0MB in the beginning and 520.1MB in the end (delta: 260.0MB). Free memory was 166.0MB in the beginning and 347.5MB in the end (delta: -181.5MB). Peak memory consumption was 302.4MB. Max. memory is 16.1GB. [2022-12-13 12:37:02,067 INFO L158 Benchmark]: TraceAbstraction took 19022.09ms. Allocated memory is still 520.1MB. Free memory was 346.5MB in the beginning and 100.5MB in the end (delta: 245.9MB). Peak memory consumption was 245.9MB. Max. memory is 16.1GB. [2022-12-13 12:37:02,067 INFO L158 Benchmark]: Witness Printer took 13.32ms. Allocated memory is still 520.1MB. Free memory was 100.5MB in the beginning and 392.8MB in the end (delta: -292.3MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. [2022-12-13 12:37:02,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 56.6MB. Free memory is still 35.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2820.62ms. Allocated memory was 79.7MB in the beginning and 142.6MB in the end (delta: 62.9MB). Free memory was 45.2MB in the beginning and 54.4MB in the end (delta: -9.2MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.04ms. Allocated memory is still 142.6MB. Free memory was 54.4MB in the beginning and 55.0MB in the end (delta: -529.5kB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 244.91ms. Allocated memory was 142.6MB in the beginning and 260.0MB in the end (delta: 117.4MB). Free memory was 55.0MB in the beginning and 166.0MB in the end (delta: -111.0MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. * RCFGBuilder took 48369.19ms. Allocated memory was 260.0MB in the beginning and 520.1MB in the end (delta: 260.0MB). Free memory was 166.0MB in the beginning and 347.5MB in the end (delta: -181.5MB). Peak memory consumption was 302.4MB. Max. memory is 16.1GB. * TraceAbstraction took 19022.09ms. Allocated memory is still 520.1MB. Free memory was 346.5MB in the beginning and 100.5MB in the end (delta: 245.9MB). Peak memory consumption was 245.9MB. Max. memory is 16.1GB. * Witness Printer took 13.32ms. Allocated memory is still 520.1MB. Free memory was 100.5MB in the beginning and 392.8MB in the end (delta: -292.3MB). Peak memory consumption was 2.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10595. Possible FailurePath: [L5971] static unsigned int vhost_zcopy_mask ; [L9348] static int experimental_zcopytx ; [L10590-L10593] static struct file_operations const vhost_net_fops = {& __this_module, & noop_llseek, 0, 0, 0, 0, 0, 0, & vhost_net_ioctl, & vhost_net_compat_ioctl, 0, & vhost_net_open, 0, & vhost_net_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L10594-L10595] static struct miscdevice vhost_net_misc = {238, "vhost-net", & vhost_net_fops, {0, 0}, 0, 0, 0, (unsigned short)0}; [L10620] int LDV_IN_INTERRUPT ; [L11002] static int ldv_mutex_cred_guard_mutex ; [L11109] static int ldv_mutex_lock ; [L11216] static int ldv_mutex_mtx ; [L11323] static int ldv_mutex_mutex ; VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10623] struct inode *var_group1 ; [L10624] struct file *var_group2 ; [L10625] unsigned int var_vhost_net_ioctl_27_p1 ; [L10626] unsigned long var_vhost_net_ioctl_27_p2 ; [L10627] unsigned int var_vhost_net_compat_ioctl_28_p1 ; [L10628] unsigned long var_vhost_net_compat_ioctl_28_p2 ; [L10629] int res_vhost_net_open_13 ; [L10630] int ldv_s_vhost_net_fops_file_operations ; [L10631] int tmp ; [L10632] int tmp___0 ; [L10633] int tmp___1 ; [L10635] ldv_s_vhost_net_fops_file_operations = 0 [L10636] LDV_IN_INTERRUPT = 1 [L10637] CALL ldv_initialize() [L11433] ldv_mutex_cred_guard_mutex = 1 [L11434] ldv_mutex_lock = 1 [L11435] ldv_mutex_mtx = 1 [L11436] ldv_mutex_mutex = 1 VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10637] RET ldv_initialize() [L10638] FCALL ldv_handler_precall() VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10639] CALL, EXPR vhost_net_init() [L10598] int tmp ; VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10600] COND FALSE !(experimental_zcopytx != 0) VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10604] CALL, EXPR misc_register(& vhost_net_misc) [L11595] return __VERIFIER_nondet_int(); [L10604] RET, EXPR misc_register(& vhost_net_misc) [L10604] tmp = misc_register(& vhost_net_misc) [L10605] return (tmp); VAL [\result=0, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, tmp=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10639] RET, EXPR vhost_net_init() [L10639] tmp = vhost_net_init() [L10640] COND FALSE !(tmp != 0) VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10682] tmp___1 = __VERIFIER_nondet_int() [L10683] COND TRUE tmp___1 != 0 || ldv_s_vhost_net_fops_file_operations != 0 VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___1=-2147483648, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10646] tmp___0 = __VERIFIER_nondet_int() [L10648] case 0: [L10661] case 1: [L10669] case 2: VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=2, tmp___1=-2147483648, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10670] FCALL ldv_handler_precall() VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=2, tmp___1=-2147483648, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10671] CALL vhost_net_ioctl(var_group2, var_vhost_net_ioctl_27_p1, var_vhost_net_ioctl_27_p2) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10521] struct vhost_net *n ; [L10522] void *argp ; [L10523] u64 *featurep ; [L10524] struct vhost_vring_file backend ; [L10525] u64 features ; [L10526] int r ; [L10527] unsigned long tmp ; [L10528] long tmp___0 ; [L10529] int tmp___1 ; [L10530] unsigned long tmp___2 ; [L10531] int tmp___3 ; [L10532] long tmp___4 ; [L10533] long tmp___5 ; [L10535] EXPR f->private_data [L10535] n = (struct vhost_net *)f->private_data [L10536] argp = (void *)arg [L10537] featurep = (u64 *)argp [L10539] case 1074310960U: [L10547] case 2148052736U: [L10555] case 1074310912U: [L10567] case 44802U: [L10568] CALL vhost_net_reset_owner(n) [L10445] struct socket *tx_sock ; [L10446] struct socket *rx_sock ; [L10447] long err ; [L10449] tx_sock = 0 [L10450] rx_sock = 0 [L10451] CALL ldv_mutex_lock_66(& n->dev.mutex) [L10919] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={299092953661440:36028797018947664}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11361] COND TRUE ldv_mutex_mutex == 1 VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={299092953661440:36028797018947664}, lock={299092953661440:36028797018947664}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11365] ldv_mutex_mutex = 2 VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={299092953661440:36028797018947664}, lock={299092953661440:36028797018947664}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10919] RET ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, ldv_func_arg1={299092953661440:36028797018947664}, ldv_func_arg1={299092953661440:36028797018947664}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10920] FCALL mutex_lock(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, ldv_func_arg1={299092953661440:36028797018947664}, ldv_func_arg1={299092953661440:36028797018947664}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10451] RET ldv_mutex_lock_66(& n->dev.mutex) [L10452] CALL, EXPR vhost_dev_check_owner(& n->dev) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, dev={299092953661440:36028797018947648}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6410] struct task_struct *tmp ; VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, dev={299092953661440:36028797018947648}, dev={299092953661440:36028797018947648}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] CALL, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L5283] struct task_struct *pfo_ret__ ; [L5286] case 1UL: [L5289] case 2UL: [L5292] case 4UL: [L5295] case 8UL: VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L5302] return (pfo_ret__); VAL [\old(ldv_mutex_mutex)=1, \result={0:1024}, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, pfo_ret__={0:1024}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] RET, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, dev={299092953661440:36028797018947648}, dev={299092953661440:36028797018947648}, experimental_zcopytx=0, get_current()={0:1024}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] tmp = get_current() [L6413] EXPR dev->mm [L6413] EXPR tmp->mm [L6413] return ((unsigned long )dev->mm == (unsigned long )tmp->mm ? 0L : -1L); [L10452] RET, EXPR vhost_dev_check_owner(& n->dev) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={299092953661440:36028797018947648}, n={299092953661440:36028797018947648}, rx_sock={254:0}, tx_sock={217:0}, vhost_dev_check_owner(& n->dev)=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10452] err = vhost_dev_check_owner(& n->dev) [L10453] COND FALSE !(err != 0L) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, err=0, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={299092953661440:36028797018947648}, n={299092953661440:36028797018947648}, rx_sock={254:0}, tx_sock={217:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10457] CALL vhost_net_stop(n, & tx_sock, & rx_sock) VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={299092953661440:36028797018947648}, rx_sock={254:0}, tx_sock={217:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10183] CALL vhost_net_stop_vq(n, (struct vhost_virtqueue *)(& n->vqs) + 1UL) VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={299092953661440:36028797018947648}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0, vq={299092953661440:36028797018965064}] [L10155] struct socket *sock ; [L10156] bool __warned ; [L10157] int tmp ; [L10158] int tmp___0 ; [L10160] CALL ldv_mutex_lock_56(& vq->mutex) [L10839] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={299092953661440:36028797018965072}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11361] COND FALSE !(ldv_mutex_mutex == 1) VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={299092953661440:36028797018965072}, lock={299092953661440:36028797018965072}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11363] CALL ldv_error() VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10992] reach_error() VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 105 procedures, 2200 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.9s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12851 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12836 mSDsluCounter, 32313 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9925 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 22388 mSDtfsCounter, 37 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 238 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2790occurred in iteration=5, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 5.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 308 NumberOfCodeBlocks, 308 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 429 SizeOfPredicates, 1 NumberOfNonLiveVariables, 4343 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 12:37:02,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_06a53dcb-d6a7-4643-9e86-d7cd70aab6e7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample