./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 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-38b53e6 [2022-11-26 00:46:44,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:46:44,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:46:44,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:46:44,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:46:44,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:46:44,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:46:44,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:46:44,117 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:46:44,119 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:46:44,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:46:44,122 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:46:44,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:46:44,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:46:44,125 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:46:44,127 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:46:44,128 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:46:44,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:46:44,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:46:44,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:46:44,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:46:44,138 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:46:44,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:46:44,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:46:44,145 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:46:44,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:46:44,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:46:44,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:46:44,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:46:44,150 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:46:44,150 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:46:44,152 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:46:44,153 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:46:44,154 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:46:44,156 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:46:44,156 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:46:44,157 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:46:44,158 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:46:44,158 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:46:44,160 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:46:44,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:46:44,162 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-26 00:46:44,189 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:46:44,190 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:46:44,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:46:44,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:46:44,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:46:44,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:46:44,192 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:46:44,193 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:46:44,193 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:46:44,193 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:46:44,193 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:46:44,194 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:46:44,194 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:46:44,194 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:46:44,195 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:46:44,195 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:46:44,195 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:46:44,195 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:46:44,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:46:44,197 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:46:44,197 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:46:44,197 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:46:44,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:46:44,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:46:44,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:46:44,198 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:46:44,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:46:44,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:46:44,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:46:44,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:46:44,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:46:44,200 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:46:44,201 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:46:44,201 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:46:44,201 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:46:44,201 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:46:44,202 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:46:44,202 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:46:44,202 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f [2022-11-26 00:46:44,525 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:46:44,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:46:44,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:46:44,568 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:46:44,569 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:46:44,571 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-11-26 00:46:48,173 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:46:48,878 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:46:48,878 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-11-26 00:46:48,945 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/data/e94a4bb47/48c7eec91d0842d68061cdb5af85fda4/FLAG3ffaec116 [2022-11-26 00:46:48,963 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/data/e94a4bb47/48c7eec91d0842d68061cdb5af85fda4 [2022-11-26 00:46:48,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:46:48,968 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:46:48,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:46:48,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:46:48,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:46:48,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:46:48" (1/1) ... [2022-11-26 00:46:48,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f8b2253 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:46:48, skipping insertion in model container [2022-11-26 00:46:48,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:46:48" (1/1) ... [2022-11-26 00:46:48,987 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:46:49,176 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:46:50,030 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:46:50,045 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:46:50,075 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:46:50,401 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:46:50,459 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-26 00:46:50,466 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-26 00:46:50,473 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:46:50,588 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-11-26 00:46:50,610 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-26 00:46:50,622 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-26 00:46:50,633 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:50,635 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-26 00:46:50,635 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-26 00:46:50,637 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:50,645 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:50,646 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-26 00:46:50,646 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:50,653 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:50,655 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-26 00:46:50,655 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:50,696 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:46:50,824 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:50,825 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:46:50,832 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:46:50,836 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:46:50,848 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:50,849 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:46:50,858 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:50,877 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:51,069 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:51,083 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-26 00:46:51,092 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:46:51,098 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-26 00:46:51,113 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:46:51,114 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:46:51,115 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:46:51,118 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:46:51,119 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:46:51,137 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-11-26 00:46:51,139 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:46:51,140 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:46:51,141 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 00:46:51,146 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:46:51,147 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:46:51,147 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-11-26 00:46:51,153 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:51,154 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:51,155 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:51,156 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:51,178 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:46:51,180 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:46:51,183 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:46:51,194 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-11-26 00:46:51,208 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-11-26 00:46:51,208 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-26 00:46:51,210 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:46:51,211 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:46:51,212 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-26 00:46:51,223 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:46:51,225 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:51,226 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:51,228 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:46:51,229 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:51,231 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:46:51,232 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:51,233 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:51,234 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:51,235 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:51,236 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:51,237 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:46:51,238 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:46:51,239 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-26 00:46:51,271 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:51,272 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:51,273 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:51,280 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:51,281 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:51,281 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:51,294 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:51,295 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:51,296 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:51,296 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:51,297 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:51,298 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:51,306 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:51,316 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:46:51,319 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:46:51,321 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-26 00:46:51,323 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:46:51,324 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-26 00:46:51,326 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:46:51,327 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:51,332 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:51,333 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:46:51,335 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-26 00:46:51,337 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:46:51,337 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:51,350 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-11-26 00:46:51,351 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-11-26 00:46:51,352 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:46:51,360 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,366 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:46:51,368 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,374 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:46:51,376 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,378 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:51,385 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:51,386 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:51,404 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,405 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,408 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,409 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,411 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,413 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,415 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,416 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,417 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-11-26 00:46:51,419 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,420 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,422 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,424 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,426 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,427 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,431 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,432 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,437 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:46:51,439 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,440 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,443 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,444 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,446 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:46:51,448 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,449 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,452 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,453 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,456 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,457 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,459 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,461 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,464 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,465 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,468 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,469 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,471 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,472 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,476 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,477 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,482 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:46:51,484 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,485 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,486 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:46:51,488 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,489 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,490 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:46:51,491 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,492 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,494 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,503 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,504 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,508 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:51,511 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,512 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,513 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,521 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:46:51,523 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,524 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,526 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:51,528 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,529 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,530 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,534 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,536 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,538 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,539 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,540 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:46:51,542 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,543 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,546 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,547 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,553 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:46:51,555 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:46:51,558 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:46:51,559 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:46:51,559 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:46:51,559 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:51,561 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:51,562 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:51,562 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:51,563 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-26 00:46:51,564 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:51,564 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:51,565 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:51,566 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:51,566 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:51,567 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:51,567 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:51,568 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:51,568 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:51,569 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:51,569 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:51,570 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:51,570 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:51,571 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:51,571 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:51,781 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:46:51,860 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:51,867 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,868 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,870 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,872 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,877 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,883 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:46:51,893 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,893 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,904 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:51,908 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,909 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-11-26 00:46:51,911 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,915 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,916 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-11-26 00:46:51,917 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:51,917 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:51,947 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:51,958 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:51,959 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:51,962 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:51,969 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:51,969 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:51,970 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:51,992 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:51,992 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:51,993 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:51,998 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-11-26 00:46:52,000 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,013 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-26 00:46:52,014 WARN L623 FunctionHandler]: Unknown extern function tun_get_socket [2022-11-26 00:46:52,015 WARN L623 FunctionHandler]: Unknown extern function macvtap_get_socket [2022-11-26 00:46:52,016 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,029 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:52,029 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:52,029 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:52,034 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,034 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,041 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,041 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,068 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-26 00:46:52,073 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-26 00:46:52,099 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:46:52,100 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:46:52,100 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:46:52,100 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:46:52,101 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:46:52,101 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:46:52,102 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:46:52,102 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,103 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,103 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,104 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,104 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,105 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,105 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,105 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,106 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,106 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-26 00:46:52,107 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,107 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,107 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,108 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,108 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,108 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,109 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,109 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,110 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,111 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,115 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,116 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,117 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,117 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,118 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,118 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,120 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,120 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,121 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,130 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,131 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,131 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,131 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,133 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,134 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,135 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,140 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_117bced8-2a52-444f-b8f6-5f0e3512b763/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-11-26 00:46:52,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:46:52,343 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:46:52,526 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:46:52,528 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:46:52,529 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:46:52,535 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:46:52,539 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-26 00:46:52,540 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-26 00:46:52,540 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:46:52,542 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-11-26 00:46:52,543 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-26 00:46:52,544 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-26 00:46:52,545 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:52,545 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-26 00:46:52,545 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-26 00:46:52,546 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:52,546 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:52,547 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-26 00:46:52,547 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:52,548 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:52,549 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-26 00:46:52,549 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:52,551 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:46:52,555 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:52,555 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:46:52,556 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:46:52,556 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:46:52,559 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:52,559 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:46:52,560 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:52,562 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:52,568 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:52,570 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-26 00:46:52,572 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:46:52,581 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-26 00:46:52,583 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:46:52,584 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:46:52,584 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:46:52,591 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:46:52,592 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:46:52,598 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-11-26 00:46:52,599 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:46:52,600 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:46:52,600 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 00:46:52,607 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:46:52,608 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:46:52,608 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-11-26 00:46:52,609 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:52,610 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:52,610 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:52,611 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:52,615 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:46:52,617 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:46:52,626 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:46:52,630 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-11-26 00:46:52,632 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-11-26 00:46:52,632 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-26 00:46:52,633 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:46:52,634 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:46:52,634 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-26 00:46:52,641 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:46:52,642 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,642 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,643 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:46:52,644 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,645 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:46:52,645 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,646 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:52,646 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:52,647 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:52,647 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:52,648 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:46:52,648 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:46:52,649 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-26 00:46:52,657 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:52,657 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:52,658 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:52,659 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:52,660 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:52,660 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:52,673 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:52,673 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:52,674 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:52,674 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:52,674 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:52,675 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:52,678 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:52,698 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:46:52,699 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:46:52,700 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-26 00:46:52,701 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:46:52,702 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-26 00:46:52,704 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:46:52,704 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,708 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:52,709 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:46:52,710 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-26 00:46:52,712 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:46:52,712 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,714 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-11-26 00:46:52,715 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-11-26 00:46:52,716 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:46:52,718 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,720 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:46:52,721 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,722 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:46:52,723 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,724 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:52,725 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:52,726 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:52,731 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,732 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,733 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,734 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,735 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,736 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,737 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,738 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,739 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-11-26 00:46:52,740 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,741 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,742 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,743 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,745 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,745 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,748 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,748 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,751 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:46:52,753 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,753 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,755 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,755 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,756 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:46:52,757 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,758 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,759 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,760 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,761 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,762 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,763 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,764 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,765 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,766 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,768 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,768 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,770 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,770 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,772 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,772 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,776 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:46:52,777 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,777 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,778 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:46:52,779 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,779 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,780 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:46:52,781 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,781 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,782 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,784 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,785 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,787 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:52,789 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,789 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,790 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,792 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:46:52,793 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,793 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,794 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:46:52,796 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,796 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,797 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,799 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,800 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,801 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,802 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,802 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:46:52,803 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,804 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,806 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,806 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,807 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:46:52,808 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:46:52,810 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:46:52,811 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:46:52,811 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:46:52,811 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:52,813 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,813 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,814 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,814 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-26 00:46:52,815 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,815 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,815 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,816 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,816 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,816 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,816 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,817 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,817 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,817 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,818 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,818 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,818 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,819 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,819 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,821 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:46:52,836 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:52,840 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,841 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,842 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,843 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,847 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,849 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:46:52,854 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,854 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,859 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:52,863 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,863 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-11-26 00:46:52,865 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,865 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,866 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-11-26 00:46:52,867 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:46:52,867 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:46:52,884 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:52,886 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:52,886 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:52,886 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:52,888 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:52,888 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:52,888 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:52,890 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,890 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,891 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:46:52,891 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-11-26 00:46:52,893 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,894 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-26 00:46:52,894 WARN L623 FunctionHandler]: Unknown extern function tun_get_socket [2022-11-26 00:46:52,895 WARN L623 FunctionHandler]: Unknown extern function macvtap_get_socket [2022-11-26 00:46:52,895 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,897 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:46:52,898 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:46:52,898 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:46:52,900 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,900 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,901 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,902 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:46:52,907 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-26 00:46:52,907 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-26 00:46:52,909 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:46:52,909 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:46:52,910 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:46:52,910 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:46:52,910 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:46:52,911 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:46:52,911 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:46:52,912 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,912 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,912 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,913 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,913 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,913 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,914 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,914 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,914 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,991 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-26 00:46:52,991 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,991 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,992 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,992 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,992 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,992 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,993 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,993 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,993 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,993 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,993 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,994 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,994 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,994 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,994 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,995 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,995 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,995 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,995 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,995 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,996 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,996 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,996 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,996 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,997 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:46:52,997 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:46:52,997 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_117bced8-2a52-444f-b8f6-5f0e3512b763/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-11-26 00:46:53,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:46:53,119 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:46:53,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:46:53 WrapperNode [2022-11-26 00:46:53,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:46:53,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:46:53,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:46:53,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:46:53,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:46:53" (1/1) ... [2022-11-26 00:46:53,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:46:53" (1/1) ... [2022-11-26 00:46:53,537 INFO L138 Inliner]: procedures = 335, calls = 2629, calls flagged for inlining = 138, calls inlined = 130, statements flattened = 6646 [2022-11-26 00:46:53,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:46:53,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:46:53,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:46:53,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:46:53,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:46:53" (1/1) ... [2022-11-26 00:46:53,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:46:53" (1/1) ... [2022-11-26 00:46:53,610 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:46:53" (1/1) ... [2022-11-26 00:46:53,610 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:46:53" (1/1) ... [2022-11-26 00:46:53,778 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:46:53" (1/1) ... [2022-11-26 00:46:53,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:46:53" (1/1) ... [2022-11-26 00:46:53,824 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:46:53" (1/1) ... [2022-11-26 00:46:53,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:46:53" (1/1) ... [2022-11-26 00:46:54,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:46:54,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:46:54,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:46:54,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:46:54,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:46:53" (1/1) ... [2022-11-26 00:46:54,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:46:54,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:46:54,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:46:54,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:46:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2022-11-26 00:46:54,119 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2022-11-26 00:46:54,119 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2022-11-26 00:46:54,119 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2022-11-26 00:46:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2022-11-26 00:46:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2022-11-26 00:46:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2022-11-26 00:46:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2022-11-26 00:46:54,120 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-26 00:46:54,120 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-26 00:46:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-11-26 00:46:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-11-26 00:46:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:46:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-11-26 00:46:54,121 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-11-26 00:46:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:46:54,121 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-26 00:46:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-26 00:46:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2022-11-26 00:46:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2022-11-26 00:46:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2022-11-26 00:46:54,122 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2022-11-26 00:46:54,122 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2022-11-26 00:46:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2022-11-26 00:46:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-26 00:46:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-26 00:46:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-26 00:46:54,123 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-26 00:46:54,123 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-26 00:46:54,124 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-26 00:46:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-11-26 00:46:54,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-11-26 00:46:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:46:54,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:46:54,124 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-11-26 00:46:54,124 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-11-26 00:46:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-26 00:46:54,125 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-26 00:46:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-26 00:46:54,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-26 00:46:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-11-26 00:46:54,125 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-26 00:46:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-26 00:46:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2022-11-26 00:46:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2022-11-26 00:46:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2022-11-26 00:46:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2022-11-26 00:46:54,126 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-11-26 00:46:54,126 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-11-26 00:46:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2022-11-26 00:46:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2022-11-26 00:46:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2022-11-26 00:46:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2022-11-26 00:46:54,127 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_open [2022-11-26 00:46:54,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_open [2022-11-26 00:46:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-26 00:46:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-26 00:46:54,128 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:46:54,128 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:46:54,129 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-26 00:46:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-26 00:46:54,129 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-11-26 00:46:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-11-26 00:46:54,129 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2022-11-26 00:46:54,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2022-11-26 00:46:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:46:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:46:54,130 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:46:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-11-26 00:46:54,130 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-11-26 00:46:54,130 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2022-11-26 00:46:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2022-11-26 00:46:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:46:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-26 00:46:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-26 00:46:54,131 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-11-26 00:46:54,131 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-11-26 00:46:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2022-11-26 00:46:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2022-11-26 00:46:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:46:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:46:54,132 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-11-26 00:46:54,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-11-26 00:46:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2022-11-26 00:46:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2022-11-26 00:46:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-26 00:46:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-26 00:46:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2022-11-26 00:46:54,133 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2022-11-26 00:46:54,133 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2022-11-26 00:46:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2022-11-26 00:46:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-26 00:46:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-26 00:46:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-26 00:46:54,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-26 00:46:54,134 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-26 00:46:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-26 00:46:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-11-26 00:46:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-11-26 00:46:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-26 00:46:54,135 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-26 00:46:54,135 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2022-11-26 00:46:54,136 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2022-11-26 00:46:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2022-11-26 00:46:54,136 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2022-11-26 00:46:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2022-11-26 00:46:54,136 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2022-11-26 00:46:54,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-26 00:46:54,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-26 00:46:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-26 00:46:54,137 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-26 00:46:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-26 00:46:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-26 00:46:54,137 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-26 00:46:54,137 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-11-26 00:46:54,138 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-11-26 00:46:54,138 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-26 00:46:54,138 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-26 00:46:54,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-26 00:46:54,139 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-11-26 00:46:54,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-11-26 00:46:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:46:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-11-26 00:46:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-11-26 00:46:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-11-26 00:46:54,140 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-11-26 00:46:54,140 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2022-11-26 00:46:54,141 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2022-11-26 00:46:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-26 00:46:54,141 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-26 00:46:54,141 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:46:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:46:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-11-26 00:46:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2022-11-26 00:46:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2022-11-26 00:46:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:46:54,142 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-26 00:46:54,142 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-26 00:46:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-11-26 00:46:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-11-26 00:46:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-11-26 00:46:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-11-26 00:46:54,143 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2022-11-26 00:46:54,143 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2022-11-26 00:46:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-11-26 00:46:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-11-26 00:46:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2022-11-26 00:46:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2022-11-26 00:46:54,144 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2022-11-26 00:46:54,144 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2022-11-26 00:46:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-11-26 00:46:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-11-26 00:46:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-26 00:46:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-26 00:46:54,145 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-26 00:46:54,145 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-26 00:46:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:46:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:46:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2022-11-26 00:46:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2022-11-26 00:46:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-11-26 00:46:54,146 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-11-26 00:46:54,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:46:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-11-26 00:46:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-11-26 00:46:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-26 00:46:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-26 00:46:54,147 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2022-11-26 00:46:54,147 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2022-11-26 00:46:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:46:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-11-26 00:46:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-11-26 00:46:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2022-11-26 00:46:54,148 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2022-11-26 00:46:54,148 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-11-26 00:46:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-11-26 00:46:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:46:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-26 00:46:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-26 00:46:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 00:46:54,149 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-26 00:46:54,149 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-26 00:46:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:46:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:46:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-11-26 00:46:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-11-26 00:46:54,150 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-26 00:46:54,150 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-26 00:46:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-26 00:46:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-26 00:46:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-11-26 00:46:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-11-26 00:46:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-26 00:46:54,151 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-26 00:46:54,151 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_release [2022-11-26 00:46:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_release [2022-11-26 00:46:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-26 00:46:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-26 00:46:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2022-11-26 00:46:54,152 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2022-11-26 00:46:54,152 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-26 00:46:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-26 00:46:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 00:46:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 00:46:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2022-11-26 00:46:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2022-11-26 00:46:54,153 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2022-11-26 00:46:54,153 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2022-11-26 00:46:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-11-26 00:46:54,154 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-11-26 00:46:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-11-26 00:46:54,154 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-11-26 00:46:54,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-11-26 00:46:54,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-11-26 00:46:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:46:54,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-26 00:46:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-11-26 00:46:54,155 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-11-26 00:46:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-26 00:46:54,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-26 00:46:54,155 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-26 00:46:54,156 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-26 00:46:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2022-11-26 00:46:54,156 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2022-11-26 00:46:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:46:54,156 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2022-11-26 00:46:54,156 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2022-11-26 00:46:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2022-11-26 00:46:54,157 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2022-11-26 00:46:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-26 00:46:54,157 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-26 00:46:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:46:54,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:46:54,157 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:46:54,158 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:46:55,356 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:46:55,361 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:47:01,016 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 [2022-11-26 00:47:01,017 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; [2022-11-26 00:47:01,017 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 [2022-11-26 00:47:01,017 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; [2022-11-26 00:47:01,017 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch137#1; [2022-11-26 00:47:01,018 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch137#1; [2022-11-26 00:47:01,019 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; [2022-11-26 00:47:01,019 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; [2022-11-26 00:47:01,019 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch137#1; [2022-11-26 00:47:01,019 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := true; [2022-11-26 00:47:01,019 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch137#1; [2022-11-26 00:47:01,019 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; [2022-11-26 00:47:01,020 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; [2022-11-26 00:47:01,020 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch137#1; [2022-11-26 00:47:01,020 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; [2022-11-26 00:47:01,020 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; [2022-11-26 00:47:01,020 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; [2022-11-26 00:47:01,021 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 [2022-11-26 00:47:01,021 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; [2022-11-26 00:47:01,021 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; [2022-11-26 00:47:01,021 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); [2022-11-26 00:47:01,021 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; [2022-11-26 00:47:01,021 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; [2022-11-26 00:47:01,022 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; [2022-11-26 00:47:01,022 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; [2022-11-26 00:47:04,550 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 [2022-11-26 00:47:04,550 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; [2022-11-26 00:47:04,550 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; [2022-11-26 00:47:04,550 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; [2022-11-26 00:47:04,550 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch132#1; [2022-11-26 00:47:04,551 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch132#1; [2022-11-26 00:47:04,551 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := true; [2022-11-26 00:47:04,551 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 [2022-11-26 00:47:04,551 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; [2022-11-26 00:47:04,551 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; [2022-11-26 00:47:04,551 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; [2022-11-26 00:47:04,551 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; [2022-11-26 00:47:04,552 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; [2022-11-26 00:47:04,552 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; [2022-11-26 00:47:04,552 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; [2022-11-26 00:47:04,552 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; [2022-11-26 00:47:04,552 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; [2022-11-26 00:47:04,552 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch132#1; [2022-11-26 00:47:04,552 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch132#1; [2022-11-26 00:47:04,552 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); [2022-11-26 00:47:04,553 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 [2022-11-26 00:47:04,553 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; [2022-11-26 00:47:04,553 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; [2022-11-26 00:47:04,553 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch132#1; [2022-11-26 00:47:04,553 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; [2022-11-26 00:47:06,448 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:47:08,214 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:47:08,214 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:47:08,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:47:08 BoogieIcfgContainer [2022-11-26 00:47:08,220 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:47:08,223 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:47:08,223 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:47:08,227 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:47:08,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:46:48" (1/3) ... [2022-11-26 00:47:08,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415ce390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:47:08, skipping insertion in model container [2022-11-26 00:47:08,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:46:53" (2/3) ... [2022-11-26 00:47:08,228 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@415ce390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:47:08, skipping insertion in model container [2022-11-26 00:47:08,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:47:08" (3/3) ... [2022-11-26 00:47:08,230 INFO L112 eAbstractionObserver]: Analyzing ICFG main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-11-26 00:47:08,254 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:47:08,254 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:47:08,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:47:08,374 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c4d7211, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:47:08,374 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:47:08,386 INFO L276 IsEmpty]: Start isEmpty. Operand has 1814 states, 1125 states have (on average 1.3217777777777777) internal successors, (1487), 1171 states have internal predecessors, (1487), 579 states have call successors, (579), 108 states have call predecessors, (579), 108 states have return successors, (579), 574 states have call predecessors, (579), 579 states have call successors, (579) [2022-11-26 00:47:08,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-26 00:47:08,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:47:08,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:47:08,397 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:47:08,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:47:08,404 INFO L85 PathProgramCache]: Analyzing trace with hash -1086771212, now seen corresponding path program 1 times [2022-11-26 00:47:08,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:47:08,417 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039429675] [2022-11-26 00:47:08,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:47:08,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:47:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:47:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:47:08,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:47:08,988 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039429675] [2022-11-26 00:47:08,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039429675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:47:08,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:47:08,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:47:08,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163968006] [2022-11-26 00:47:08,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:47:09,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:47:09,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:47:09,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:47:09,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:47:09,067 INFO L87 Difference]: Start difference. First operand has 1814 states, 1125 states have (on average 1.3217777777777777) internal successors, (1487), 1171 states have internal predecessors, (1487), 579 states have call successors, (579), 108 states have call predecessors, (579), 108 states have return successors, (579), 574 states have call predecessors, (579), 579 states have call successors, (579) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:47:11,415 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 [] [2022-11-26 00:47:12,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:47:12,369 INFO L93 Difference]: Finished difference Result 3622 states and 5351 transitions. [2022-11-26 00:47:12,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:47:12,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-26 00:47:12,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:47:12,417 INFO L225 Difference]: With dead ends: 3622 [2022-11-26 00:47:12,418 INFO L226 Difference]: Without dead ends: 1806 [2022-11-26 00:47:12,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:47:12,443 INFO L413 NwaCegarLoop]: 2415 mSDtfsCounter, 2628 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2630 SdHoareTripleChecker+Valid, 2415 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-26 00:47:12,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2630 Valid, 2415 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 220 Invalid, 1 Unknown, 0 Unchecked, 2.9s Time] [2022-11-26 00:47:12,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2022-11-26 00:47:12,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1806. [2022-11-26 00:47:12,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1806 states, 1120 states have (on average 1.3169642857142858) internal successors, (1475), 1163 states have internal predecessors, (1475), 578 states have call successors, (578), 108 states have call predecessors, (578), 107 states have return successors, (573), 568 states have call predecessors, (573), 573 states have call successors, (573) [2022-11-26 00:47:12,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1806 states and 2626 transitions. [2022-11-26 00:47:12,839 INFO L78 Accepts]: Start accepts. Automaton has 1806 states and 2626 transitions. Word has length 10 [2022-11-26 00:47:12,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:47:12,841 INFO L495 AbstractCegarLoop]: Abstraction has 1806 states and 2626 transitions. [2022-11-26 00:47:12,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:47:12,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2626 transitions. [2022-11-26 00:47:12,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-26 00:47:12,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:47:12,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:47:12,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:47:12,845 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:47:12,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:47:12,846 INFO L85 PathProgramCache]: Analyzing trace with hash 668800319, now seen corresponding path program 1 times [2022-11-26 00:47:12,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:47:12,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085893417] [2022-11-26 00:47:12,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:47:12,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:47:12,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:47:13,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:47:13,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:47:13,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085893417] [2022-11-26 00:47:13,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085893417] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:47:13,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:47:13,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:47:13,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431580635] [2022-11-26 00:47:13,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:47:13,086 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:47:13,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:47:13,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:47:13,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:47:13,089 INFO L87 Difference]: Start difference. First operand 1806 states and 2626 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:47:15,405 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 [] [2022-11-26 00:47:16,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:47:16,074 INFO L93 Difference]: Finished difference Result 1808 states and 2627 transitions. [2022-11-26 00:47:16,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:47:16,074 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-26 00:47:16,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:47:16,091 INFO L225 Difference]: With dead ends: 1808 [2022-11-26 00:47:16,091 INFO L226 Difference]: Without dead ends: 1805 [2022-11-26 00:47:16,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:47:16,095 INFO L413 NwaCegarLoop]: 2404 mSDtfsCounter, 2615 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2617 SdHoareTripleChecker+Valid, 2404 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:47:16,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2617 Valid, 2404 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 219 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:47:16,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2022-11-26 00:47:16,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1805. [2022-11-26 00:47:16,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1805 states, 1120 states have (on average 1.3160714285714286) internal successors, (1474), 1162 states have internal predecessors, (1474), 577 states have call successors, (577), 108 states have call predecessors, (577), 107 states have return successors, (573), 568 states have call predecessors, (573), 573 states have call successors, (573) [2022-11-26 00:47:16,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1805 states to 1805 states and 2624 transitions. [2022-11-26 00:47:16,299 INFO L78 Accepts]: Start accepts. Automaton has 1805 states and 2624 transitions. Word has length 11 [2022-11-26 00:47:16,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:47:16,299 INFO L495 AbstractCegarLoop]: Abstraction has 1805 states and 2624 transitions. [2022-11-26 00:47:16,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:47:16,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2624 transitions. [2022-11-26 00:47:16,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-26 00:47:16,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:47:16,301 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:47:16,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:47:16,301 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:47:16,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:47:16,305 INFO L85 PathProgramCache]: Analyzing trace with hash -743052201, now seen corresponding path program 1 times [2022-11-26 00:47:16,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:47:16,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802574881] [2022-11-26 00:47:16,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:47:16,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:47:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:47:16,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:47:16,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:47:16,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802574881] [2022-11-26 00:47:16,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802574881] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:47:16,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:47:16,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:47:16,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423654209] [2022-11-26 00:47:16,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:47:16,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:47:16,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:47:16,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:47:16,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:47:16,503 INFO L87 Difference]: Start difference. First operand 1805 states and 2624 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:47:18,812 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 [] [2022-11-26 00:47:19,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:47:19,495 INFO L93 Difference]: Finished difference Result 1807 states and 2625 transitions. [2022-11-26 00:47:19,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:47:19,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-26 00:47:19,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:47:19,511 INFO L225 Difference]: With dead ends: 1807 [2022-11-26 00:47:19,511 INFO L226 Difference]: Without dead ends: 1804 [2022-11-26 00:47:19,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:47:19,517 INFO L413 NwaCegarLoop]: 2402 mSDtfsCounter, 2612 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2614 SdHoareTripleChecker+Valid, 2402 SdHoareTripleChecker+Invalid, 220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-26 00:47:19,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2614 Valid, 2402 Invalid, 220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 219 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-11-26 00:47:19,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1804 states. [2022-11-26 00:47:19,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1804 to 1804. [2022-11-26 00:47:19,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1804 states, 1120 states have (on average 1.3151785714285715) internal successors, (1473), 1161 states have internal predecessors, (1473), 576 states have call successors, (576), 108 states have call predecessors, (576), 107 states have return successors, (573), 568 states have call predecessors, (573), 573 states have call successors, (573) [2022-11-26 00:47:19,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2622 transitions. [2022-11-26 00:47:19,743 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2622 transitions. Word has length 12 [2022-11-26 00:47:19,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:47:19,743 INFO L495 AbstractCegarLoop]: Abstraction has 1804 states and 2622 transitions. [2022-11-26 00:47:19,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:47:19,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2622 transitions. [2022-11-26 00:47:19,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-26 00:47:19,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:47:19,744 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:47:19,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:47:19,745 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:47:19,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:47:19,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1560802494, now seen corresponding path program 1 times [2022-11-26 00:47:19,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:47:19,746 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388401579] [2022-11-26 00:47:19,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:47:19,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:47:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:47:19,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:47:19,925 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:47:19,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388401579] [2022-11-26 00:47:19,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388401579] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:47:19,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:47:19,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:47:19,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314014920] [2022-11-26 00:47:19,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:47:19,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:47:19,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:47:19,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:47:19,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:47:19,930 INFO L87 Difference]: Start difference. First operand 1804 states and 2622 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:47:22,192 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 [] [2022-11-26 00:47:23,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:47:23,871 INFO L93 Difference]: Finished difference Result 4135 states and 5979 transitions. [2022-11-26 00:47:23,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:47:23,872 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-26 00:47:23,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:47:23,894 INFO L225 Difference]: With dead ends: 4135 [2022-11-26 00:47:23,894 INFO L226 Difference]: Without dead ends: 2328 [2022-11-26 00:47:23,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:47:23,913 INFO L413 NwaCegarLoop]: 2761 mSDtfsCounter, 1045 mSDsluCounter, 2052 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 4813 SdHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:47:23,914 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 4813 Invalid, 468 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 463 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-26 00:47:23,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2328 states. [2022-11-26 00:47:24,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2328 to 2324. [2022-11-26 00:47:24,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2324 states, 1424 states have (on average 1.2949438202247192) internal successors, (1844), 1486 states have internal predecessors, (1844), 721 states have call successors, (721), 182 states have call predecessors, (721), 178 states have return successors, (731), 698 states have call predecessors, (731), 708 states have call successors, (731) [2022-11-26 00:47:24,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 2324 states and 3296 transitions. [2022-11-26 00:47:24,145 INFO L78 Accepts]: Start accepts. Automaton has 2324 states and 3296 transitions. Word has length 13 [2022-11-26 00:47:24,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:47:24,145 INFO L495 AbstractCegarLoop]: Abstraction has 2324 states and 3296 transitions. [2022-11-26 00:47:24,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-26 00:47:24,146 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 3296 transitions. [2022-11-26 00:47:24,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-11-26 00:47:24,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:47:24,160 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:47:24,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-26 00:47:24,161 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:47:24,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:47:24,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1855027896, now seen corresponding path program 1 times [2022-11-26 00:47:24,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:47:24,162 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982238206] [2022-11-26 00:47:24,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:47:24,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:47:24,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:47:24,587 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:47:24,587 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:47:24,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982238206] [2022-11-26 00:47:24,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982238206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:47:24,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:47:24,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:47:24,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500253420] [2022-11-26 00:47:24,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:47:24,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:47:24,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:47:24,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:47:24,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:47:24,591 INFO L87 Difference]: Start difference. First operand 2324 states and 3296 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-26 00:47:27,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-26 00:47:28,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:47:28,331 INFO L93 Difference]: Finished difference Result 3850 states and 5396 transitions. [2022-11-26 00:47:28,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:47:28,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2022-11-26 00:47:28,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:47:28,347 INFO L225 Difference]: With dead ends: 3850 [2022-11-26 00:47:28,348 INFO L226 Difference]: Without dead ends: 1864 [2022-11-26 00:47:28,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:47:28,360 INFO L413 NwaCegarLoop]: 2240 mSDtfsCounter, 1761 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1762 SdHoareTripleChecker+Valid, 2935 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-26 00:47:28,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1762 Valid, 2935 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 339 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-26 00:47:28,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1864 states. [2022-11-26 00:47:28,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1864 to 1863. [2022-11-26 00:47:28,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1863 states, 1133 states have (on average 1.2797881729920564) internal successors, (1450), 1179 states have internal predecessors, (1450), 565 states have call successors, (565), 169 states have call predecessors, (565), 164 states have return successors, (550), 543 states have call predecessors, (550), 550 states have call successors, (550) [2022-11-26 00:47:28,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1863 states and 2565 transitions. [2022-11-26 00:47:28,517 INFO L78 Accepts]: Start accepts. Automaton has 1863 states and 2565 transitions. Word has length 46 [2022-11-26 00:47:28,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:47:28,518 INFO L495 AbstractCegarLoop]: Abstraction has 1863 states and 2565 transitions. [2022-11-26 00:47:28,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 3 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-26 00:47:28,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2565 transitions. [2022-11-26 00:47:28,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-26 00:47:28,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:47:28,523 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:47:28,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-26 00:47:28,523 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:47:28,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:47:28,524 INFO L85 PathProgramCache]: Analyzing trace with hash 965260543, now seen corresponding path program 1 times [2022-11-26 00:47:28,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:47:28,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938980367] [2022-11-26 00:47:28,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:47:28,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:47:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:47:28,797 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:47:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:47:29,041 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-26 00:47:29,041 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:47:29,042 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 00:47:29,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-26 00:47:29,048 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-26 00:47:29,053 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:47:29,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:47:29 BoogieIcfgContainer [2022-11-26 00:47:29,142 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:47:29,143 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:47:29,143 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:47:29,143 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:47:29,144 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:47:08" (3/4) ... [2022-11-26 00:47:29,148 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 00:47:29,149 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:47:29,149 INFO L158 Benchmark]: Toolchain (without parser) took 40181.40ms. Allocated memory was 180.4MB in the beginning and 669.0MB in the end (delta: 488.6MB). Free memory was 122.8MB in the beginning and 293.2MB in the end (delta: -170.4MB). Peak memory consumption was 320.3MB. Max. memory is 16.1GB. [2022-11-26 00:47:29,150 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 180.4MB. Free memory was 150.8MB in the beginning and 150.7MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:47:29,150 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4150.33ms. Allocated memory was 180.4MB in the beginning and 230.7MB in the end (delta: 50.3MB). Free memory was 122.1MB in the beginning and 138.8MB in the end (delta: -16.7MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. [2022-11-26 00:47:29,151 INFO L158 Benchmark]: Boogie Procedure Inliner took 416.37ms. Allocated memory is still 230.7MB. Free memory was 138.8MB in the beginning and 103.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-26 00:47:29,151 INFO L158 Benchmark]: Boogie Preprocessor took 470.59ms. Allocated memory is still 230.7MB. Free memory was 103.1MB in the beginning and 129.3MB in the end (delta: -26.1MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. [2022-11-26 00:47:29,152 INFO L158 Benchmark]: RCFGBuilder took 14210.79ms. Allocated memory was 230.7MB in the beginning and 492.8MB in the end (delta: 262.1MB). Free memory was 129.3MB in the beginning and 265.6MB in the end (delta: -136.3MB). Peak memory consumption was 283.1MB. Max. memory is 16.1GB. [2022-11-26 00:47:29,152 INFO L158 Benchmark]: TraceAbstraction took 20919.06ms. Allocated memory was 492.8MB in the beginning and 669.0MB in the end (delta: 176.2MB). Free memory was 264.5MB in the beginning and 293.2MB in the end (delta: -28.7MB). Peak memory consumption was 146.4MB. Max. memory is 16.1GB. [2022-11-26 00:47:29,153 INFO L158 Benchmark]: Witness Printer took 6.06ms. Allocated memory is still 669.0MB. Free memory is still 293.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:47:29,156 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 180.4MB. Free memory was 150.8MB in the beginning and 150.7MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4150.33ms. Allocated memory was 180.4MB in the beginning and 230.7MB in the end (delta: 50.3MB). Free memory was 122.1MB in the beginning and 138.8MB in the end (delta: -16.7MB). Peak memory consumption was 106.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 416.37ms. Allocated memory is still 230.7MB. Free memory was 138.8MB in the beginning and 103.1MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 470.59ms. Allocated memory is still 230.7MB. Free memory was 103.1MB in the beginning and 129.3MB in the end (delta: -26.1MB). Peak memory consumption was 59.8MB. Max. memory is 16.1GB. * RCFGBuilder took 14210.79ms. Allocated memory was 230.7MB in the beginning and 492.8MB in the end (delta: 262.1MB). Free memory was 129.3MB in the beginning and 265.6MB in the end (delta: -136.3MB). Peak memory consumption was 283.1MB. Max. memory is 16.1GB. * TraceAbstraction took 20919.06ms. Allocated memory was 492.8MB in the beginning and 669.0MB in the end (delta: 176.2MB). Free memory was 264.5MB in the beginning and 293.2MB in the end (delta: -28.7MB). Peak memory consumption was 146.4MB. Max. memory is 16.1GB. * Witness Printer took 6.06ms. Allocated memory is still 669.0MB. Free memory is still 293.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10595, overapproximation of shiftLeft at line 6296, overapproximation of bitwiseOr at line 6296. Possible FailurePath: [L5971] static unsigned int vhost_zcopy_mask ; [L9348] static int experimental_zcopytx ; [L10590-L10593] static struct file_operations const vhost_net_fops = {& __this_module, & noop_llseek, 0, 0, 0, 0, 0, 0, & vhost_net_ioctl, & vhost_net_compat_ioctl, 0, & vhost_net_open, 0, & vhost_net_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L10594-L10595] static struct miscdevice vhost_net_misc = {238, "vhost-net", & vhost_net_fops, {0, 0}, 0, 0, 0, (unsigned short)0}; [L10620] int LDV_IN_INTERRUPT ; [L11002] static int ldv_mutex_cred_guard_mutex ; [L11109] static int ldv_mutex_lock ; [L11216] static int ldv_mutex_mtx ; [L11323] static int ldv_mutex_mutex ; [L10623] struct inode *var_group1 ; [L10624] struct file *var_group2 ; [L10625] unsigned int var_vhost_net_ioctl_27_p1 ; [L10626] unsigned long var_vhost_net_ioctl_27_p2 ; [L10627] unsigned int var_vhost_net_compat_ioctl_28_p1 ; [L10628] unsigned long var_vhost_net_compat_ioctl_28_p2 ; [L10629] int res_vhost_net_open_13 ; [L10630] int ldv_s_vhost_net_fops_file_operations ; [L10631] int tmp ; [L10632] int tmp___0 ; [L10633] int tmp___1 ; [L10635] ldv_s_vhost_net_fops_file_operations = 0 [L10636] LDV_IN_INTERRUPT = 1 [L10637] CALL ldv_initialize() [L11433] ldv_mutex_cred_guard_mutex = 1 [L11434] ldv_mutex_lock = 1 [L11435] ldv_mutex_mtx = 1 [L11436] ldv_mutex_mutex = 1 [L10637] RET ldv_initialize() [L10638] FCALL ldv_handler_precall() VAL [__this_module={4294967303:4294967308}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10639] CALL, EXPR vhost_net_init() [L10598] int tmp ; [L10600] COND FALSE !(experimental_zcopytx != 0) [L10604] CALL, EXPR misc_register(& vhost_net_misc) [L11595] return __VERIFIER_nondet_int(); [L10604] RET, EXPR misc_register(& vhost_net_misc) [L10604] tmp = misc_register(& vhost_net_misc) [L10605] return (tmp); [L10639] RET, EXPR vhost_net_init() [L10639] tmp = vhost_net_init() [L10640] COND FALSE !(tmp != 0) VAL [__this_module={4294967303:4294967308}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10682] tmp___1 = __VERIFIER_nondet_int() [L10683] COND TRUE tmp___1 != 0 || ldv_s_vhost_net_fops_file_operations != 0 [L10646] tmp___0 = __VERIFIER_nondet_int() [L10648] case 0: [L10661] case 1: [L10669] case 2: [L10673] case 3: VAL [__this_module={4294967303:4294967308}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=3, tmp___1=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10674] FCALL ldv_handler_precall() VAL [__this_module={4294967303:4294967308}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=3, tmp___1=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10675] CALL vhost_net_compat_ioctl(var_group2, var_vhost_net_compat_ioctl_28_p1, var_vhost_net_compat_ioctl_28_p2) [L10582] void *tmp ; [L10583] long tmp___0 ; [L10585] CALL, EXPR compat_ptr((compat_uptr_t )arg) [L9300] return ((void *)((unsigned long )uptr)); [L10585] RET, EXPR compat_ptr((compat_uptr_t )arg) [L10585] tmp = compat_ptr((compat_uptr_t )arg) [L10586] CALL vhost_net_ioctl(f, ioctl, (unsigned long )tmp) VAL [\old(ldv_mutex_mutex)=1, __this_module={4294967303:4294967308}, 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={4294967303:4294967308}, 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={4294967306:-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={4294967303:4294967308}, 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={4294967306:-17400}, lock={4294967306:-17400}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11365] ldv_mutex_mutex = 2 [L10919] RET ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={4294967303:4294967308}, experimental_zcopytx=0, ldv_func_arg1={4294967306:-17400}, ldv_func_arg1={4294967306:-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={4294967303:4294967308}, experimental_zcopytx=0, ldv_func_arg1={4294967306:-17400}, ldv_func_arg1={4294967306:-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={4294967303:4294967308}, dev={4294967306:-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={4294967303:4294967308}, dev={4294967306:-17416}, dev={4294967306:-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={4294967303:4294967308}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L5283] struct task_struct *pfo_ret__ ; [L5286] case 1UL: [L5289] case 2UL: [L5292] case 4UL: [L5295] case 8UL: [L5302] return (pfo_ret__); [L6412] RET, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, __this_module={4294967303:4294967308}, dev={4294967306:-17416}, dev={4294967306:-17416}, experimental_zcopytx=0, get_current()={4294967305:-3}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] tmp = get_current() [L6413] EXPR dev->mm [L6413] EXPR tmp->mm [L6413] return ((unsigned long )dev->mm == (unsigned long )tmp->mm ? 0L : -1L); [L10452] RET, EXPR vhost_dev_check_owner(& n->dev) VAL [\old(ldv_mutex_mutex)=1, __this_module={4294967303:4294967308}, 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={4294967306:-17416}, n={4294967306:-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={4294967303:4294967308}, 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={4294967306:-17416}, n={4294967306:-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={4294967303:4294967308}, 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={4294967306:-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={4294967303:4294967308}, 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={4294967306:-17416}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0, vq={4294967306:0}] [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={4294967303:4294967308}, 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={4294967306:8}, 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={4294967303:4294967308}, 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={4294967306:8}, lock={4294967306:8}, 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={4294967303:4294967308}, 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={4294967303:4294967308}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 109 procedures, 1814 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 20.7s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 17.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 10670 SdHoareTripleChecker+Valid, 15.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10661 mSDsluCounter, 14969 SdHoareTripleChecker+Invalid, 14.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2747 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1460 IncrementalHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 12222 mSDtfsCounter, 1460 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2324occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 141 NumberOfCodeBlocks, 141 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 87 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-26 00:47:29,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 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-38b53e6 [2022-11-26 00:47:31,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:47:31,996 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:47:32,042 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:47:32,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:47:32,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:47:32,053 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:47:32,061 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:47:32,068 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:47:32,069 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:47:32,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:47:32,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:47:32,075 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:47:32,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:47:32,081 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:47:32,085 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:47:32,086 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:47:32,095 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:47:32,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:47:32,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:47:32,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:47:32,106 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:47:32,109 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:47:32,110 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:47:32,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:47:32,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:47:32,122 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:47:32,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:47:32,126 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:47:32,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:47:32,129 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:47:32,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:47:32,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:47:32,133 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:47:32,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:47:32,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:47:32,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:47:32,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:47:32,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:47:32,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:47:32,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:47:32,143 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-26 00:47:32,188 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:47:32,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:47:32,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:47:32,191 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:47:32,192 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:47:32,192 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:47:32,192 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:47:32,192 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:47:32,193 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:47:32,193 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:47:32,194 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:47:32,194 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:47:32,195 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:47:32,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:47:32,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:47:32,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:47:32,196 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:47:32,196 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-26 00:47:32,196 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-26 00:47:32,197 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-26 00:47:32,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:47:32,197 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:47:32,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:47:32,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:47:32,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-26 00:47:32,198 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:47:32,198 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:47:32,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:47:32,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:47:32,199 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:47:32,199 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-26 00:47:32,200 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-26 00:47:32,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:47:32,200 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:47:32,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-26 00:47:32,201 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4e2d1a15968d1244ea21dd78c93930ffcefcf7ed108cd6721571103f64feb4f [2022-11-26 00:47:32,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:47:32,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:47:32,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:47:32,709 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:47:32,709 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:47:32,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-11-26 00:47:36,250 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:47:37,008 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:47:37,011 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-11-26 00:47:37,093 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/data/a6680905d/9320adb0577b4c3f943e67a4ada84fd0/FLAGc2726e4e7 [2022-11-26 00:47:37,125 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/data/a6680905d/9320adb0577b4c3f943e67a4ada84fd0 [2022-11-26 00:47:37,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:47:37,130 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:47:37,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:47:37,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:47:37,138 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:47:37,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:47:37" (1/1) ... [2022-11-26 00:47:37,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46a0f48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:37, skipping insertion in model container [2022-11-26 00:47:37,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:47:37" (1/1) ... [2022-11-26 00:47:37,150 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:47:37,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:47:38,261 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:47:38,275 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:47:38,299 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:47:38,539 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:47:38,580 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-26 00:47:38,586 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-26 00:47:38,592 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:47:38,666 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-11-26 00:47:38,681 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-26 00:47:38,688 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-26 00:47:38,699 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:38,700 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-26 00:47:38,701 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-26 00:47:38,702 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:38,709 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:38,710 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-26 00:47:38,711 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:38,718 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:38,719 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-26 00:47:38,719 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:38,766 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:47:38,909 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:38,911 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:47:38,915 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:47:38,916 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:47:38,922 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:38,924 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:47:38,932 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:38,957 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:39,213 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:39,229 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-26 00:47:39,241 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:47:39,256 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-26 00:47:39,289 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:47:39,290 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:47:39,290 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:47:39,293 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:47:39,295 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:47:39,313 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-11-26 00:47:39,315 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:47:39,316 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:47:39,317 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 00:47:39,320 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:47:39,321 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:47:39,321 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-11-26 00:47:39,327 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:39,328 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:39,329 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:39,330 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:39,384 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:47:39,386 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:47:39,389 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:47:39,399 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-11-26 00:47:39,413 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-11-26 00:47:39,414 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-26 00:47:39,415 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:47:39,416 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:47:39,417 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-26 00:47:39,427 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:47:39,429 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:39,430 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:39,432 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:47:39,433 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:39,435 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:47:39,436 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:39,437 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:39,438 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:39,439 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:39,440 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:39,442 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:47:39,443 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:47:39,444 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-26 00:47:39,475 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:39,476 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:39,476 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:39,483 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:39,484 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:39,485 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:39,498 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:39,499 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:39,500 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:39,500 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:39,501 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:39,502 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:39,509 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:39,519 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:47:39,522 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:47:39,524 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-26 00:47:39,525 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:47:39,527 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-26 00:47:39,530 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:47:39,538 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:39,543 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:39,544 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:47:39,546 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-26 00:47:39,552 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:47:39,553 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:39,565 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-11-26 00:47:39,566 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-11-26 00:47:39,567 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:47:39,575 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,581 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:47:39,583 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,589 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:47:39,591 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,593 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:39,600 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:39,601 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:39,620 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,621 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,624 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,625 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,628 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,629 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,631 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,633 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,633 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-11-26 00:47:39,635 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,636 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,639 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,640 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,643 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,644 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,650 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,651 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,659 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:47:39,662 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,665 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,669 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,671 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,673 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:47:39,675 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,677 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,681 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,687 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,693 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,694 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,722 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,724 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,726 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,728 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,731 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,732 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,735 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,736 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,740 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,741 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,746 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:47:39,749 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,750 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,751 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:47:39,753 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,754 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,755 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:47:39,757 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,758 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,760 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,770 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,771 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,775 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:39,778 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,779 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,780 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,788 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:47:39,790 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,791 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,793 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:39,795 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,796 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,798 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,802 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,803 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,805 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,807 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,808 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:47:39,810 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,811 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,815 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:39,816 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:39,822 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:47:39,824 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:47:39,827 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:47:39,828 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:47:39,828 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:47:39,828 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:39,830 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:39,831 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:39,831 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:39,832 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-26 00:47:39,833 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:39,834 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:39,834 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:39,835 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:39,836 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:39,836 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:39,837 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:39,837 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:39,838 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:39,838 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:39,839 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:39,840 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:39,840 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:39,841 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:39,841 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,047 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:47:40,139 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:40,151 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:40,152 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:40,157 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:40,159 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:40,164 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:40,171 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:47:40,183 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:40,184 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:40,196 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:40,203 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:40,204 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-11-26 00:47:40,213 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:40,214 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:40,215 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-11-26 00:47:40,217 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:40,219 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:40,251 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:40,271 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:40,272 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:40,272 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:40,279 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:40,280 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:40,282 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:40,307 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:40,308 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:40,309 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:40,317 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-11-26 00:47:40,319 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:40,332 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-26 00:47:40,333 WARN L623 FunctionHandler]: Unknown extern function tun_get_socket [2022-11-26 00:47:40,334 WARN L623 FunctionHandler]: Unknown extern function macvtap_get_socket [2022-11-26 00:47:40,335 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:40,348 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:40,348 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:40,349 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:40,351 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:40,353 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:40,359 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:40,360 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:40,389 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-26 00:47:40,394 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-26 00:47:40,418 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:40,420 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:40,420 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:47:40,421 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:40,421 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:40,422 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:40,422 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:40,423 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,424 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,424 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,425 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,444 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,444 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,444 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,445 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,445 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,445 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-26 00:47:40,446 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,446 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,446 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,447 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,447 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,448 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,448 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,448 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,448 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,449 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,450 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,451 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,451 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,455 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,456 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,457 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,458 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,459 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,459 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,460 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,461 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,461 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,467 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,468 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,470 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:40,470 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:40,475 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_117bced8-2a52-444f-b8f6-5f0e3512b763/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-11-26 00:47:40,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:47:40,618 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-26 00:47:40,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:47:40,837 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:47:40,838 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:47:40,839 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:47:40,845 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:47:40,848 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-26 00:47:40,849 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-26 00:47:40,849 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:47:40,852 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-11-26 00:47:40,852 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-26 00:47:40,853 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-26 00:47:40,853 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:40,855 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-26 00:47:40,855 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-26 00:47:40,855 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:40,856 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:40,856 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-26 00:47:40,857 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:40,857 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:40,858 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-26 00:47:40,858 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:40,862 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:47:40,866 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:40,866 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:47:40,867 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:47:40,867 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:47:40,871 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:40,871 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:47:40,872 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:40,874 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:40,877 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:40,879 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-26 00:47:40,880 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:47:40,883 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-26 00:47:40,890 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:47:40,891 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:47:40,891 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:47:40,893 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:47:40,893 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:47:40,897 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-11-26 00:47:40,898 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:47:40,899 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:47:40,899 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 00:47:40,902 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:47:40,902 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:47:40,902 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-11-26 00:47:40,903 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:40,904 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:40,904 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:40,905 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:40,940 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:47:40,942 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:47:40,944 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:47:40,949 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-11-26 00:47:40,951 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-11-26 00:47:40,951 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-26 00:47:40,952 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:47:40,953 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:47:40,953 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-26 00:47:40,960 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:47:40,961 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:40,962 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:40,963 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:47:40,964 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:40,965 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:47:40,965 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:40,966 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:40,966 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:40,967 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:40,967 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:40,968 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:47:40,969 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:47:40,969 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-26 00:47:40,975 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:40,976 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:40,976 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:40,978 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:40,978 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:40,979 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:40,986 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:40,987 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:40,987 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:40,988 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:40,988 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:40,989 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:40,990 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:41,008 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:47:41,014 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:47:41,015 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-26 00:47:41,016 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:47:41,017 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-26 00:47:41,018 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:47:41,018 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,022 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:41,023 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:47:41,024 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-26 00:47:41,026 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:47:41,026 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,029 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-11-26 00:47:41,029 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-11-26 00:47:41,030 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:47:41,032 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,034 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:47:41,035 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,036 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:47:41,038 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,039 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:41,040 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,041 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:41,054 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,055 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,059 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,060 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,062 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,063 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,069 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,070 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,070 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-11-26 00:47:41,078 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,081 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,083 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,084 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,087 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,087 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,090 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,090 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,094 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:47:41,097 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,098 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,099 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,100 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,101 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:47:41,102 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,103 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,105 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,106 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,108 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,108 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,110 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,111 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,112 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,113 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,116 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,116 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,119 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,119 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,122 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,123 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,128 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:47:41,130 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,130 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,132 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:47:41,134 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,134 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,135 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:47:41,136 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,137 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,138 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,141 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,141 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,144 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:41,146 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,147 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,147 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,149 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:47:41,151 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,151 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,182 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:41,183 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,184 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,185 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,189 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,190 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,192 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,193 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,194 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:47:41,196 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,196 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,201 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,202 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,203 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:47:41,206 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:47:41,208 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:47:41,209 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:47:41,209 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:47:41,209 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:41,211 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,211 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,212 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,212 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-26 00:47:41,213 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,213 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,213 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,215 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,215 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,216 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,216 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,216 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,217 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,217 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,218 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,218 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,218 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,219 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,219 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,222 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:47:41,233 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,239 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,240 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,242 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,243 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,248 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,250 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:47:41,261 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,262 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,268 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,273 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,274 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-11-26 00:47:41,276 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,277 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,277 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-11-26 00:47:41,279 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,279 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,285 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:41,288 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,288 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:41,289 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:41,291 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,291 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:41,292 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:41,294 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,295 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,295 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:41,296 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-11-26 00:47:41,298 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,299 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-26 00:47:41,300 WARN L623 FunctionHandler]: Unknown extern function tun_get_socket [2022-11-26 00:47:41,300 WARN L623 FunctionHandler]: Unknown extern function macvtap_get_socket [2022-11-26 00:47:41,301 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,304 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,304 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:41,305 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:41,307 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,308 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,309 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,310 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,316 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-26 00:47:41,316 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-26 00:47:41,317 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:41,318 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:41,318 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:47:41,319 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:41,319 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:41,319 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:41,320 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:41,320 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,321 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,321 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,321 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,322 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,322 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,322 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,323 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,323 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,324 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-26 00:47:41,324 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,324 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,325 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,325 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,325 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,326 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,326 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,327 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,327 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,327 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,328 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,328 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,328 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,329 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,329 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,329 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,330 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,330 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,331 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,331 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,331 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,332 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,332 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,332 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,333 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,333 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,333 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_117bced8-2a52-444f-b8f6-5f0e3512b763/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-11-26 00:47:41,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:47:41,364 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:47:41,551 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-11-26 00:47:41,552 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-11-26 00:47:41,554 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:47:41,557 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-11-26 00:47:41,558 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-11-26 00:47:41,558 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-11-26 00:47:41,559 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-11-26 00:47:41,561 WARN L623 FunctionHandler]: Unknown extern function synchronize_sched [2022-11-26 00:47:41,561 WARN L623 FunctionHandler]: Unknown extern function lock_acquire [2022-11-26 00:47:41,562 WARN L623 FunctionHandler]: Unknown extern function lock_release [2022-11-26 00:47:41,562 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,563 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-26 00:47:41,563 WARN L623 FunctionHandler]: Unknown extern function rcu_lockdep_current_cpu_online [2022-11-26 00:47:41,563 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:41,564 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,564 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-26 00:47:41,565 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:41,565 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,566 WARN L623 FunctionHandler]: Unknown extern function rcu_is_cpu_idle [2022-11-26 00:47:41,566 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:41,568 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:47:41,571 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:41,572 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:47:41,572 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-11-26 00:47:41,573 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-26 00:47:41,574 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:41,574 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-11-26 00:47:41,575 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:41,576 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:41,581 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,582 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-11-26 00:47:41,584 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:47:41,591 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-11-26 00:47:41,593 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:47:41,593 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:47:41,594 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:47:41,598 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:47:41,599 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:47:41,605 WARN L623 FunctionHandler]: Unknown extern function use_mm [2022-11-26 00:47:41,606 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-11-26 00:47:41,607 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:47:41,607 WARN L623 FunctionHandler]: Unknown extern function kthread_should_stop [2022-11-26 00:47:41,609 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:47:41,609 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:47:41,609 WARN L623 FunctionHandler]: Unknown extern function unuse_mm [2022-11-26 00:47:41,610 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:41,611 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:41,611 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:41,611 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:41,617 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:47:41,618 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-26 00:47:41,622 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-11-26 00:47:41,625 WARN L623 FunctionHandler]: Unknown extern function cgroup_attach_task_all [2022-11-26 00:47:41,626 WARN L623 FunctionHandler]: Unknown extern function get_task_mm [2022-11-26 00:47:41,627 WARN L623 FunctionHandler]: Unknown extern function kthread_create_on_node [2022-11-26 00:47:41,628 WARN L623 FunctionHandler]: Unknown extern function wake_up_process [2022-11-26 00:47:41,628 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:47:41,629 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-26 00:47:41,660 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:47:41,661 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,661 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,662 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:47:41,662 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,663 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:47:41,663 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,664 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,664 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:41,664 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:41,665 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:41,665 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:47:41,665 WARN L623 FunctionHandler]: Unknown extern function kthread_stop [2022-11-26 00:47:41,666 WARN L623 FunctionHandler]: Unknown extern function mmput [2022-11-26 00:47:41,671 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,671 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:41,672 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:41,673 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,673 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:41,673 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:41,684 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:41,684 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:41,685 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,685 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:41,685 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:41,686 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:41,688 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:41,694 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:47:41,695 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:47:41,696 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-26 00:47:41,697 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:47:41,698 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-26 00:47:41,699 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:47:41,699 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,703 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:41,704 WARN L623 FunctionHandler]: Unknown extern function eventfd_fget [2022-11-26 00:47:41,705 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_fileget [2022-11-26 00:47:41,707 WARN L623 FunctionHandler]: Unknown extern function eventfd_ctx_put [2022-11-26 00:47:41,707 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,709 WARN L623 FunctionHandler]: Unknown extern function get_user_pages_fast [2022-11-26 00:47:41,710 WARN L623 FunctionHandler]: Unknown extern function set_page_dirty_lock [2022-11-26 00:47:41,710 WARN L623 FunctionHandler]: Unknown extern function put_page [2022-11-26 00:47:41,713 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,714 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:47:41,715 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,716 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:47:41,717 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,718 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:41,719 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,720 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:41,725 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,725 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,727 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,728 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,729 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,730 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,732 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,732 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,733 WARN L623 FunctionHandler]: Unknown extern function memcpy_fromiovec [2022-11-26 00:47:41,734 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,735 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,737 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,738 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,739 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,740 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,742 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,743 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,746 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:47:41,748 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,749 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,750 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,751 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,752 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:47:41,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,755 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,756 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,757 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,759 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,759 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,761 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,761 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,763 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,764 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,766 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,766 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,768 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,769 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,771 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,772 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,776 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:47:41,777 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,778 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,778 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:47:41,780 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,780 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,781 WARN L623 FunctionHandler]: Unknown extern function __put_user_bad [2022-11-26 00:47:41,782 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,783 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,784 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,787 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,788 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,791 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:41,793 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,793 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,794 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,796 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:47:41,798 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,798 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,800 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-11-26 00:47:41,801 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,802 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,803 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,805 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,806 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,807 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,808 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,809 WARN L623 FunctionHandler]: Unknown extern function __get_user_bad [2022-11-26 00:47:41,810 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,811 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,854 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,855 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,856 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-11-26 00:47:41,857 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-11-26 00:47:41,859 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-11-26 00:47:41,860 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-11-26 00:47:41,860 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-11-26 00:47:41,861 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:41,863 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,863 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,864 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,864 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-26 00:47:41,865 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,865 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,865 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,866 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,866 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,866 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,867 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,867 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,867 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,868 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,868 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,868 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,869 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,869 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:41,869 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:41,872 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-11-26 00:47:41,889 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,894 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,895 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,897 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,897 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,902 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,905 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-11-26 00:47:41,911 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,912 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,917 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,922 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,923 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-11-26 00:47:41,925 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,925 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,926 WARN L623 FunctionHandler]: Unknown extern function memcpy_toiovecend [2022-11-26 00:47:41,927 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-11-26 00:47:41,928 WARN L623 FunctionHandler]: Unknown extern function eventfd_signal [2022-11-26 00:47:41,947 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:41,949 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,949 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:41,949 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:41,951 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,951 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:41,951 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:41,954 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,954 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,954 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-26 00:47:41,955 WARN L623 FunctionHandler]: Unknown extern function sockfd_lookup [2022-11-26 00:47:41,957 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,958 WARN L623 FunctionHandler]: Unknown extern function fget [2022-11-26 00:47:41,959 WARN L623 FunctionHandler]: Unknown extern function tun_get_socket [2022-11-26 00:47:41,959 WARN L623 FunctionHandler]: Unknown extern function macvtap_get_socket [2022-11-26 00:47:41,959 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,962 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-26 00:47:41,962 WARN L623 FunctionHandler]: Unknown extern function lock_is_held [2022-11-26 00:47:41,978 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-26 00:47:41,980 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,981 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,982 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:41,983 WARN L623 FunctionHandler]: Unknown extern function fput [2022-11-26 00:47:42,003 WARN L623 FunctionHandler]: Unknown extern function misc_register [2022-11-26 00:47:42,004 WARN L623 FunctionHandler]: Unknown extern function misc_deregister [2022-11-26 00:47:42,005 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:42,005 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:42,006 WARN L623 FunctionHandler]: Unknown extern function ldv_check_return_value [2022-11-26 00:47:42,006 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:42,007 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:42,007 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:42,008 WARN L623 FunctionHandler]: Unknown extern function ldv_handler_precall [2022-11-26 00:47:42,008 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,009 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,009 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,022 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,023 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,023 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,024 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,024 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,024 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,025 WARN L623 FunctionHandler]: Unknown extern function mutex_trylock [2022-11-26 00:47:42,025 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,026 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,026 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,027 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,027 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,027 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,028 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,028 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,029 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,029 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,029 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,030 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,030 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,030 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,031 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,031 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,032 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,032 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,032 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,033 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,033 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,033 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,034 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,034 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,035 WARN L623 FunctionHandler]: Unknown extern function mutex_lock [2022-11-26 00:47:42,035 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-11-26 00:47:42,035 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_117bced8-2a52-444f-b8f6-5f0e3512b763/sv-benchmarks/c/ldv-linux-3.7.3/main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i[372197,372210] [2022-11-26 00:47:42,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:47:42,320 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:47:42,321 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:42 WrapperNode [2022-11-26 00:47:42,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:47:42,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:47:42,323 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:47:42,323 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:47:42,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:42" (1/1) ... [2022-11-26 00:47:42,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:42" (1/1) ... [2022-11-26 00:47:42,654 INFO L138 Inliner]: procedures = 350, calls = 2627, calls flagged for inlining = 143, calls inlined = 135, statements flattened = 6427 [2022-11-26 00:47:42,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:47:42,655 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:47:42,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:47:42,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:47:42,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:42" (1/1) ... [2022-11-26 00:47:42,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:42" (1/1) ... [2022-11-26 00:47:42,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:42" (1/1) ... [2022-11-26 00:47:42,701 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:42" (1/1) ... [2022-11-26 00:47:42,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:42" (1/1) ... [2022-11-26 00:47:42,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:42" (1/1) ... [2022-11-26 00:47:43,003 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:42" (1/1) ... [2022-11-26 00:47:43,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:42" (1/1) ... [2022-11-26 00:47:43,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:47:43,064 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:47:43,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:47:43,065 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:47:43,066 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:42" (1/1) ... [2022-11-26 00:47:43,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:47:43,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:47:43,102 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:47:43,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:47:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_add_used_and_signal [2022-11-26 00:47:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_add_used_and_signal [2022-11-26 00:47:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_toiovecend [2022-11-26 00:47:43,160 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_toiovecend [2022-11-26 00:47:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_net [2022-11-26 00:47:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_net [2022-11-26 00:47:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-26 00:47:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_free_iovecs [2022-11-26 00:47:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_free_iovecs [2022-11-26 00:47:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2022-11-26 00:47:43,161 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2022-11-26 00:47:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-26 00:47:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-26 00:47:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure vq_access_ok [2022-11-26 00:47:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_access_ok [2022-11-26 00:47:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-26 00:47:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-26 00:47:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_flush [2022-11-26 00:47:43,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_flush [2022-11-26 00:47:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-26 00:47:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2022-11-26 00:47:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2022-11-26 00:47:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_check_owner [2022-11-26 00:47:43,163 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_check_owner [2022-11-26 00:47:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure log_write [2022-11-26 00:47:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure log_write [2022-11-26 00:47:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx [2022-11-26 00:47:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx [2022-11-26 00:47:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-26 00:47:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-26 00:47:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-26 00:47:43,164 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-26 00:47:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-26 00:47:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-26 00:47:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_vq_reset [2022-11-26 00:47:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_vq_reset [2022-11-26 00:47:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-26 00:47:43,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-26 00:47:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure vq_log_access_ok [2022-11-26 00:47:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_log_access_ok [2022-11-26 00:47:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-26 00:47:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-26 00:47:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-26 00:47:43,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-26 00:47:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure __put_user_bad [2022-11-26 00:47:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-26 00:47:43,167 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-26 00:47:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure __vhost_add_used_n [2022-11-26 00:47:43,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __vhost_add_used_n [2022-11-26 00:47:43,167 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_start [2022-11-26 00:47:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_start [2022-11-26 00:47:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_queue [2022-11-26 00:47:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_queue [2022-11-26 00:47:43,168 INFO L130 BoogieDeclarations]: Found specification of procedure handle_rx [2022-11-26 00:47:43,168 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_rx [2022-11-26 00:47:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure handle_tx_kick [2022-11-26 00:47:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_tx_kick [2022-11-26 00:47:43,169 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-26 00:47:43,169 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-26 00:47:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-26 00:47:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-26 00:47:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-26 00:47:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-26 00:47:43,170 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_fget [2022-11-26 00:47:43,170 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_fget [2022-11-26 00:47:43,171 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_init [2022-11-26 00:47:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_init [2022-11-26 00:47:43,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:47:43,171 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-26 00:47:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-26 00:47:43,171 INFO L130 BoogieDeclarations]: Found specification of procedure vq_memory_access_ok [2022-11-26 00:47:43,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vq_memory_access_ok [2022-11-26 00:47:43,172 INFO L130 BoogieDeclarations]: Found specification of procedure move_iovec_hdr [2022-11-26 00:47:43,172 INFO L138 BoogieDeclarations]: Found implementation of procedure move_iovec_hdr [2022-11-26 00:47:43,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:47:43,172 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-26 00:47:43,172 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-26 00:47:43,172 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_queue [2022-11-26 00:47:43,172 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_queue [2022-11-26 00:47:43,173 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop [2022-11-26 00:47:43,173 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop [2022-11-26 00:47:43,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-26 00:47:43,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-26 00:47:43,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-26 00:47:43,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:47:43,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-26 00:47:43,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-26 00:47:43,174 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_dev_cleanup [2022-11-26 00:47:43,174 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_dev_cleanup [2022-11-26 00:47:43,174 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_callback [2022-11-26 00:47:43,174 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_callback [2022-11-26 00:47:43,174 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-26 00:47:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-26 00:47:43,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-26 00:47:43,175 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush_vq [2022-11-26 00:47:43,175 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush_vq [2022-11-26 00:47:43,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-26 00:47:43,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-26 00:47:43,175 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_stop_vq [2022-11-26 00:47:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_stop_vq [2022-11-26 00:47:43,176 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-11-26 00:47:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-11-26 00:47:43,176 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-26 00:47:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-26 00:47:43,176 INFO L130 BoogieDeclarations]: Found specification of procedure fput [2022-11-26 00:47:43,176 INFO L138 BoogieDeclarations]: Found implementation of procedure fput [2022-11-26 00:47:43,177 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-11-26 00:47:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-11-26 00:47:43,177 INFO L130 BoogieDeclarations]: Found specification of procedure next_desc [2022-11-26 00:47:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure next_desc [2022-11-26 00:47:43,177 INFO L130 BoogieDeclarations]: Found specification of procedure iov_length [2022-11-26 00:47:43,177 INFO L138 BoogieDeclarations]: Found implementation of procedure iov_length [2022-11-26 00:47:43,177 INFO L130 BoogieDeclarations]: Found specification of procedure tx_poll_stop [2022-11-26 00:47:43,178 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_poll_stop [2022-11-26 00:47:43,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2022-11-26 00:47:43,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2022-11-26 00:47:43,178 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-26 00:47:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-26 00:47:43,179 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-26 00:47:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-26 00:47:43,179 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_has_feature [2022-11-26 00:47:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_has_feature [2022-11-26 00:47:43,179 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-26 00:47:43,179 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-26 00:47:43,180 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_lock [2022-11-26 00:47:43,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_lock [2022-11-26 00:47:43,180 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_init [2022-11-26 00:47:43,180 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_init [2022-11-26 00:47:43,180 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_fileget [2022-11-26 00:47:43,180 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_fileget [2022-11-26 00:47:43,181 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_flush [2022-11-26 00:47:43,181 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_flush [2022-11-26 00:47:43,183 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-26 00:47:43,183 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-26 00:47:43,183 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-26 00:47:43,183 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-26 00:47:43,183 INFO L130 BoogieDeclarations]: Found specification of procedure __get_user_bad [2022-11-26 00:47:43,184 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put [2022-11-26 00:47:43,184 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put [2022-11-26 00:47:43,184 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-26 00:47:43,184 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-26 00:47:43,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex [2022-11-26 00:47:43,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex [2022-11-26 00:47:43,184 INFO L130 BoogieDeclarations]: Found specification of procedure __rcu_read_unlock [2022-11-26 00:47:43,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __rcu_read_unlock [2022-11-26 00:47:43,185 INFO L130 BoogieDeclarations]: Found specification of procedure translate_desc [2022-11-26 00:47:43,185 INFO L138 BoogieDeclarations]: Found implementation of procedure translate_desc [2022-11-26 00:47:43,185 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_ctx_put [2022-11-26 00:47:43,185 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_ctx_put [2022-11-26 00:47:43,185 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_ioctl [2022-11-26 00:47:43,185 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_ioctl [2022-11-26 00:47:43,186 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_net_disable_vq [2022-11-26 00:47:43,186 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_net_disable_vq [2022-11-26 00:47:43,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-26 00:47:43,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-26 00:47:43,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-26 00:47:43,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-26 00:47:43,187 INFO L130 BoogieDeclarations]: Found specification of procedure mmput [2022-11-26 00:47:43,187 INFO L138 BoogieDeclarations]: Found implementation of procedure mmput [2022-11-26 00:47:43,187 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2022-11-26 00:47:43,187 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2022-11-26 00:47:43,187 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-26 00:47:43,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-26 00:47:43,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-26 00:47:43,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-26 00:47:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_ubuf_put_and_wait [2022-11-26 00:47:43,188 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_ubuf_put_and_wait [2022-11-26 00:47:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-11-26 00:47:43,188 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-11-26 00:47:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:47:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_cpu_idle [2022-11-26 00:47:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_cpu_idle [2022-11-26 00:47:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-26 00:47:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-26 00:47:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_get_vq_desc [2022-11-26 00:47:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_get_vq_desc [2022-11-26 00:47:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:47:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure eventfd_signal [2022-11-26 00:47:43,190 INFO L138 BoogieDeclarations]: Found implementation of procedure eventfd_signal [2022-11-26 00:47:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_enable_notify [2022-11-26 00:47:43,190 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_enable_notify [2022-11-26 00:47:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_stop [2022-11-26 00:47:43,190 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_stop [2022-11-26 00:47:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:47:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-26 00:47:43,191 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-26 00:47:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-26 00:47:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-26 00:47:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-26 00:47:43,191 INFO L130 BoogieDeclarations]: Found specification of procedure kthread_stop [2022-11-26 00:47:43,192 INFO L138 BoogieDeclarations]: Found implementation of procedure kthread_stop [2022-11-26 00:47:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:47:43,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-26 00:47:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-26 00:47:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure memory_access_ok [2022-11-26 00:47:43,192 INFO L138 BoogieDeclarations]: Found implementation of procedure memory_access_ok [2022-11-26 00:47:43,192 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-26 00:47:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-26 00:47:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-26 00:47:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-26 00:47:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_work_seq_done [2022-11-26 00:47:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_work_seq_done [2022-11-26 00:47:43,193 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-26 00:47:43,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-26 00:47:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-26 00:47:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-26 00:47:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_disable_notify [2022-11-26 00:47:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_disable_notify [2022-11-26 00:47:43,194 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-26 00:47:43,194 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-26 00:47:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-26 00:47:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-26 00:47:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_update_used_flags [2022-11-26 00:47:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_update_used_flags [2022-11-26 00:47:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_discard_vq_desc [2022-11-26 00:47:43,195 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_discard_vq_desc [2022-11-26 00:47:43,195 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-11-26 00:47:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-11-26 00:47:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_flush [2022-11-26 00:47:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_flush [2022-11-26 00:47:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex [2022-11-26 00:47:43,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex [2022-11-26 00:47:43,196 INFO L130 BoogieDeclarations]: Found specification of procedure log_access_ok [2022-11-26 00:47:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure log_access_ok [2022-11-26 00:47:43,197 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-26 00:47:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-26 00:47:43,197 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-26 00:47:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-26 00:47:43,197 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_signal [2022-11-26 00:47:43,197 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_signal [2022-11-26 00:47:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-26 00:47:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_zerocopy_signal_used [2022-11-26 00:47:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_zerocopy_signal_used [2022-11-26 00:47:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure vhost_poll_start [2022-11-26 00:47:43,198 INFO L138 BoogieDeclarations]: Found implementation of procedure vhost_poll_start [2022-11-26 00:47:43,198 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-26 00:47:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-26 00:47:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:47:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:47:43,199 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-26 00:47:43,199 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-26 00:47:44,105 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:47:44,109 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:48:11,849 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 [2022-11-26 00:48:11,850 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; [2022-11-26 00:48:11,850 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 [2022-11-26 00:48:11,850 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; [2022-11-26 00:48:11,850 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume __copy_to_user_#t~switch137#1; [2022-11-26 00:48:11,850 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5866: assume !__copy_to_user_#t~switch137#1; [2022-11-26 00:48:11,850 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; [2022-11-26 00:48:11,850 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; [2022-11-26 00:48:11,851 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume __copy_to_user_#t~switch137#1; [2022-11-26 00:48:11,851 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5854: assume !__copy_to_user_#t~switch137#1;__copy_to_user_#t~switch137#1 := true; [2022-11-26 00:48:11,851 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5825: havoc __copy_to_user_#t~switch137#1; [2022-11-26 00:48:11,851 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; [2022-11-26 00:48:11,851 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; [2022-11-26 00:48:11,851 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5842: assume __copy_to_user_#t~switch137#1; [2022-11-26 00:48:11,851 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; [2022-11-26 00:48:11,851 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; [2022-11-26 00:48:11,851 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; [2022-11-26 00:48:11,852 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 [2022-11-26 00:48:11,852 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; [2022-11-26 00:48:11,852 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; [2022-11-26 00:48:11,852 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]; [2022-11-26 00:48:11,852 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; [2022-11-26 00:48:11,852 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; [2022-11-26 00:48:11,852 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; [2022-11-26 00:48:11,852 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; [2022-11-26 00:48:31,646 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 [2022-11-26 00:48:31,646 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; [2022-11-26 00:48:31,646 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; [2022-11-26 00:48:31,646 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; [2022-11-26 00:48:31,646 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5760: havoc __copy_from_user_#t~switch132#1; [2022-11-26 00:48:31,646 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume __copy_from_user_#t~switch132#1; [2022-11-26 00:48:31,646 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5794: assume !__copy_from_user_#t~switch132#1;__copy_from_user_#t~switch132#1 := true; [2022-11-26 00:48:31,647 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 [2022-11-26 00:48:31,647 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; [2022-11-26 00:48:31,647 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; [2022-11-26 00:48:31,647 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; [2022-11-26 00:48:31,647 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; [2022-11-26 00:48:31,647 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; [2022-11-26 00:48:31,647 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; [2022-11-26 00:48:31,647 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; [2022-11-26 00:48:31,647 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; [2022-11-26 00:48:31,648 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; [2022-11-26 00:48:31,648 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume __copy_from_user_#t~switch132#1; [2022-11-26 00:48:31,648 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5807: assume !__copy_from_user_#t~switch132#1; [2022-11-26 00:48:31,648 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]; [2022-11-26 00:48:31,648 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 [2022-11-26 00:48:31,648 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; [2022-11-26 00:48:31,648 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; [2022-11-26 00:48:31,648 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L5781: assume __copy_from_user_#t~switch132#1; [2022-11-26 00:48:31,648 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; [2022-11-26 00:48:42,049 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:48:42,083 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:48:42,083 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-26 00:48:42,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:48:42 BoogieIcfgContainer [2022-11-26 00:48:42,090 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:48:42,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:48:42,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:48:42,096 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:48:42,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:47:37" (1/3) ... [2022-11-26 00:48:42,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e84cf3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:48:42, skipping insertion in model container [2022-11-26 00:48:42,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:47:42" (2/3) ... [2022-11-26 00:48:42,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e84cf3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:48:42, skipping insertion in model container [2022-11-26 00:48:42,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:48:42" (3/3) ... [2022-11-26 00:48:42,101 INFO L112 eAbstractionObserver]: Analyzing ICFG main1_drivers-vhost-vhost_net-ko--32_7a--linux-3.7.3.i [2022-11-26 00:48:42,121 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:48:42,121 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-26 00:48:42,297 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:48:42,305 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48a2a6e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:48:42,305 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-26 00:48:42,317 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) [2022-11-26 00:48:42,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-26 00:48:42,326 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:48:42,326 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:48:42,327 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:48:42,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:48:42,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1066115318, now seen corresponding path program 1 times [2022-11-26 00:48:42,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:48:42,351 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [602273308] [2022-11-26 00:48:42,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:48:42,352 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 [2022-11-26 00:48:42,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:48:42,358 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:48:42,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:48:43,098 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:48:43,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:48:43,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:48:43,314 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:48:43,314 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:48:43,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [602273308] [2022-11-26 00:48:43,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [602273308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:48:43,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:48:43,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:48:43,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566565482] [2022-11-26 00:48:43,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:48:43,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:48:43,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:48:43,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:48:43,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:48:43,411 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) [2022-11-26 00:48:43,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:48:43,831 INFO L93 Difference]: Finished difference Result 4386 states and 6444 transitions. [2022-11-26 00:48:43,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:48:43,834 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 [2022-11-26 00:48:43,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:48:43,869 INFO L225 Difference]: With dead ends: 4386 [2022-11-26 00:48:43,869 INFO L226 Difference]: Without dead ends: 2189 [2022-11-26 00:48:43,893 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 [2022-11-26 00:48:43,898 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 [2022-11-26 00:48:43,900 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] [2022-11-26 00:48:43,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2189 states. [2022-11-26 00:48:44,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2189 to 2189. [2022-11-26 00:48:44,164 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) [2022-11-26 00:48:44,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 2189 states and 3167 transitions. [2022-11-26 00:48:44,186 INFO L78 Accepts]: Start accepts. Automaton has 2189 states and 3167 transitions. Word has length 16 [2022-11-26 00:48:44,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:48:44,188 INFO L495 AbstractCegarLoop]: Abstraction has 2189 states and 3167 transitions. [2022-11-26 00:48:44,188 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) [2022-11-26 00:48:44,189 INFO L276 IsEmpty]: Start isEmpty. Operand 2189 states and 3167 transitions. [2022-11-26 00:48:44,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-26 00:48:44,190 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:48:44,190 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:48:44,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:44,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:44,407 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:48:44,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:48:44,407 INFO L85 PathProgramCache]: Analyzing trace with hash 1309145204, now seen corresponding path program 1 times [2022-11-26 00:48:44,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:48:44,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366469131] [2022-11-26 00:48:44,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:48:44,409 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 [2022-11-26 00:48:44,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:48:44,431 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:48:44,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:48:45,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:48:45,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:48:45,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:48:45,397 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:48:45,397 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:48:45,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366469131] [2022-11-26 00:48:45,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366469131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:48:45,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:48:45,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:48:45,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796317511] [2022-11-26 00:48:45,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:48:45,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:48:45,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:48:45,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:48:45,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:48:45,401 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) [2022-11-26 00:48:45,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:48:45,726 INFO L93 Difference]: Finished difference Result 2191 states and 3168 transitions. [2022-11-26 00:48:45,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:48:45,727 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 [2022-11-26 00:48:45,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:48:45,740 INFO L225 Difference]: With dead ends: 2191 [2022-11-26 00:48:45,741 INFO L226 Difference]: Without dead ends: 2188 [2022-11-26 00:48:45,743 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 [2022-11-26 00:48:45,744 INFO L413 NwaCegarLoop]: 3164 mSDtfsCounter, 3151 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2022-11-26 00:48:45,745 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] [2022-11-26 00:48:45,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2188 states. [2022-11-26 00:48:45,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2188 to 2188. [2022-11-26 00:48:45,907 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) [2022-11-26 00:48:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 2188 states and 3165 transitions. [2022-11-26 00:48:45,925 INFO L78 Accepts]: Start accepts. Automaton has 2188 states and 3165 transitions. Word has length 17 [2022-11-26 00:48:45,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:48:45,925 INFO L495 AbstractCegarLoop]: Abstraction has 2188 states and 3165 transitions. [2022-11-26 00:48:45,925 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) [2022-11-26 00:48:45,926 INFO L276 IsEmpty]: Start isEmpty. Operand 2188 states and 3165 transitions. [2022-11-26 00:48:45,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-26 00:48:45,926 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:48:45,927 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:48:45,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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)] Forceful destruction successful, exit code 0 [2022-11-26 00:48:46,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:46,143 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:48:46,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:48:46,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1927782221, now seen corresponding path program 1 times [2022-11-26 00:48:46,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:48:46,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [192230156] [2022-11-26 00:48:46,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:48:46,145 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 [2022-11-26 00:48:46,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:48:46,146 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:48:46,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:48:46,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:48:46,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:48:46,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:48:46,968 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:48:46,968 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:48:46,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [192230156] [2022-11-26 00:48:46,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [192230156] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:48:46,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:48:46,969 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:48:46,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498344570] [2022-11-26 00:48:46,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:48:46,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:48:46,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:48:46,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:48:46,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:48:46,972 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) [2022-11-26 00:48:47,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:48:47,298 INFO L93 Difference]: Finished difference Result 2190 states and 3166 transitions. [2022-11-26 00:48:47,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:48:47,298 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 [2022-11-26 00:48:47,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:48:47,311 INFO L225 Difference]: With dead ends: 2190 [2022-11-26 00:48:47,311 INFO L226 Difference]: Without dead ends: 2187 [2022-11-26 00:48:47,314 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 [2022-11-26 00:48:47,317 INFO L413 NwaCegarLoop]: 3162 mSDtfsCounter, 3148 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3148 SdHoareTripleChecker+Valid, 3162 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:48:47,319 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] [2022-11-26 00:48:47,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2187 states. [2022-11-26 00:48:47,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2187 to 2187. [2022-11-26 00:48:47,489 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) [2022-11-26 00:48:47,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2187 states to 2187 states and 3163 transitions. [2022-11-26 00:48:47,506 INFO L78 Accepts]: Start accepts. Automaton has 2187 states and 3163 transitions. Word has length 18 [2022-11-26 00:48:47,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:48:47,506 INFO L495 AbstractCegarLoop]: Abstraction has 2187 states and 3163 transitions. [2022-11-26 00:48:47,506 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) [2022-11-26 00:48:47,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2187 states and 3163 transitions. [2022-11-26 00:48:47,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-26 00:48:47,507 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:48:47,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:48:47,529 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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)] Forceful destruction successful, exit code 0 [2022-11-26 00:48:47,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:47,729 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:48:47,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:48:47,730 INFO L85 PathProgramCache]: Analyzing trace with hash -369301865, now seen corresponding path program 1 times [2022-11-26 00:48:47,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:48:47,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [308369831] [2022-11-26 00:48:47,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:48:47,731 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 [2022-11-26 00:48:47,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:48:47,733 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:48:47,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:48,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:48:48,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:48:48,343 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:48:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:48:48,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:48:48,546 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:48:48,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [308369831] [2022-11-26 00:48:48,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [308369831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:48:48,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:48:48,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:48:48,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465762793] [2022-11-26 00:48:48,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:48:48,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:48:48,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:48:48,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:48:48,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:48:48,548 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) [2022-11-26 00:48:48,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:48:48,938 INFO L93 Difference]: Finished difference Result 4958 states and 7106 transitions. [2022-11-26 00:48:48,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:48:48,943 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 [2022-11-26 00:48:48,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:48:48,965 INFO L225 Difference]: With dead ends: 4958 [2022-11-26 00:48:48,966 INFO L226 Difference]: Without dead ends: 2773 [2022-11-26 00:48:48,977 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 [2022-11-26 00:48:48,981 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 [2022-11-26 00:48:48,982 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] [2022-11-26 00:48:48,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2773 states. [2022-11-26 00:48:49,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2773 to 2770. [2022-11-26 00:48:49,236 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) [2022-11-26 00:48:49,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2770 states to 2770 states and 3908 transitions. [2022-11-26 00:48:49,255 INFO L78 Accepts]: Start accepts. Automaton has 2770 states and 3908 transitions. Word has length 19 [2022-11-26 00:48:49,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:48:49,256 INFO L495 AbstractCegarLoop]: Abstraction has 2770 states and 3908 transitions. [2022-11-26 00:48:49,256 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) [2022-11-26 00:48:49,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2770 states and 3908 transitions. [2022-11-26 00:48:49,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-26 00:48:49,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:48:49,270 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] [2022-11-26 00:48:49,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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)] Forceful destruction successful, exit code 0 [2022-11-26 00:48:49,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:49,486 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:48:49,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:48:49,486 INFO L85 PathProgramCache]: Analyzing trace with hash 393489938, now seen corresponding path program 1 times [2022-11-26 00:48:49,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:48:49,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384843151] [2022-11-26 00:48:49,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:48:49,488 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 [2022-11-26 00:48:49,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:48:49,489 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:48:49,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:48:50,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:48:50,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:48:50,330 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:48:50,330 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:48:50,331 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:48:50,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384843151] [2022-11-26 00:48:50,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384843151] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:48:50,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:48:50,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:48:50,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627198455] [2022-11-26 00:48:50,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:48:50,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:48:50,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:48:50,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:48:50,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:48:50,333 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) [2022-11-26 00:48:50,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:48:50,674 INFO L93 Difference]: Finished difference Result 5549 states and 7834 transitions. [2022-11-26 00:48:50,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:48:50,675 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 [2022-11-26 00:48:50,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:48:50,696 INFO L225 Difference]: With dead ends: 5549 [2022-11-26 00:48:50,697 INFO L226 Difference]: Without dead ends: 2790 [2022-11-26 00:48:50,712 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 [2022-11-26 00:48:50,713 INFO L413 NwaCegarLoop]: 3145 mSDtfsCounter, 43 mSDsluCounter, 3091 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 6236 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:48:50,713 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 6236 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:48:50,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2790 states. [2022-11-26 00:48:51,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2790 to 2790. [2022-11-26 00:48:51,022 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) [2022-11-26 00:48:51,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3937 transitions. [2022-11-26 00:48:51,043 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3937 transitions. Word has length 55 [2022-11-26 00:48:51,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:48:51,044 INFO L495 AbstractCegarLoop]: Abstraction has 2790 states and 3937 transitions. [2022-11-26 00:48:51,044 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) [2022-11-26 00:48:51,044 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3937 transitions. [2022-11-26 00:48:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-26 00:48:51,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:48:51,047 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] [2022-11-26 00:48:51,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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)] Forceful destruction successful, exit code 0 [2022-11-26 00:48:51,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:51,265 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:48:51,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:48:51,265 INFO L85 PathProgramCache]: Analyzing trace with hash -742912640, now seen corresponding path program 1 times [2022-11-26 00:48:51,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:48:51,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2136463828] [2022-11-26 00:48:51,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:48:51,267 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 [2022-11-26 00:48:51,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:48:51,269 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:48:51,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:48:52,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-26 00:48:52,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:48:52,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:48:52,097 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:48:52,097 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:48:52,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2136463828] [2022-11-26 00:48:52,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2136463828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:48:52,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:48:52,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:48:52,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088909716] [2022-11-26 00:48:52,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:48:52,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:48:52,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:48:52,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:48:52,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:48:52,099 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) [2022-11-26 00:48:52,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:48:52,448 INFO L93 Difference]: Finished difference Result 5571 states and 7929 transitions. [2022-11-26 00:48:52,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:48:52,449 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 [2022-11-26 00:48:52,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:48:52,471 INFO L225 Difference]: With dead ends: 5571 [2022-11-26 00:48:52,471 INFO L226 Difference]: Without dead ends: 2792 [2022-11-26 00:48:52,525 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 [2022-11-26 00:48:52,528 INFO L413 NwaCegarLoop]: 3140 mSDtfsCounter, 0 mSDsluCounter, 3133 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:48:52,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6273 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:48:52,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2792 states. [2022-11-26 00:48:52,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2792 to 2790. [2022-11-26 00:48:52,833 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) [2022-11-26 00:48:52,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3931 transitions. [2022-11-26 00:48:52,863 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3931 transitions. Word has length 57 [2022-11-26 00:48:52,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:48:52,865 INFO L495 AbstractCegarLoop]: Abstraction has 2790 states and 3931 transitions. [2022-11-26 00:48:52,867 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) [2022-11-26 00:48:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3931 transitions. [2022-11-26 00:48:52,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-26 00:48:52,870 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:48:52,870 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] [2022-11-26 00:48:52,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:53,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:53,089 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:48:53,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:48:53,089 INFO L85 PathProgramCache]: Analyzing trace with hash -64168537, now seen corresponding path program 1 times [2022-11-26 00:48:53,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:48:53,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [557408666] [2022-11-26 00:48:53,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:48:53,091 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 [2022-11-26 00:48:53,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:48:53,094 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:48:53,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:48:53,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-26 00:48:53,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:48:54,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:48:54,178 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:48:54,178 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-26 00:48:54,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [557408666] [2022-11-26 00:48:54,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [557408666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:48:54,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:48:54,179 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:48:54,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660513410] [2022-11-26 00:48:54,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:48:54,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:48:54,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-26 00:48:54,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:48:54,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:48:54,181 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) [2022-11-26 00:48:54,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:48:54,551 INFO L93 Difference]: Finished difference Result 4594 states and 6423 transitions. [2022-11-26 00:48:54,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:48:54,552 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 [2022-11-26 00:48:54,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:48:54,568 INFO L225 Difference]: With dead ends: 4594 [2022-11-26 00:48:54,568 INFO L226 Difference]: Without dead ends: 2316 [2022-11-26 00:48:54,581 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 [2022-11-26 00:48:54,582 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 [2022-11-26 00:48:54,583 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] [2022-11-26 00:48:54,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states. [2022-11-26 00:48:54,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 2316. [2022-11-26 00:48:54,828 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) [2022-11-26 00:48:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2316 states to 2316 states and 3189 transitions. [2022-11-26 00:48:54,843 INFO L78 Accepts]: Start accepts. Automaton has 2316 states and 3189 transitions. Word has length 63 [2022-11-26 00:48:54,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:48:54,844 INFO L495 AbstractCegarLoop]: Abstraction has 2316 states and 3189 transitions. [2022-11-26 00:48:54,844 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) [2022-11-26 00:48:54,844 INFO L276 IsEmpty]: Start isEmpty. Operand 2316 states and 3189 transitions. [2022-11-26 00:48:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-26 00:48:54,846 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:48:54,847 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] [2022-11-26 00:48:54,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-26 00:48:55,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:48:55,072 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-26 00:48:55,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:48:55,073 INFO L85 PathProgramCache]: Analyzing trace with hash -1064965082, now seen corresponding path program 1 times [2022-11-26 00:48:55,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-26 00:48:55,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1275278835] [2022-11-26 00:48:55,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:48:55,075 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 [2022-11-26 00:48:55,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/mathsat [2022-11-26 00:48:55,076 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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) [2022-11-26 00:48:55,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:49:01,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:49:01,483 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-26 00:49:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-26 00:49:08,709 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-26 00:49:08,709 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-26 00:49:08,710 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-26 00:49:08,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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)] Forceful destruction successful, exit code 0 [2022-11-26 00:49:08,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/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 [2022-11-26 00:49:08,934 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:49:08,938 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:49:09,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:49:09 BoogieIcfgContainer [2022-11-26 00:49:09,019 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:49:09,020 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:49:09,020 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:49:09,020 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:49:09,021 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:48:42" (3/4) ... [2022-11-26 00:49:09,024 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-26 00:49:09,024 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:49:09,025 INFO L158 Benchmark]: Toolchain (without parser) took 91895.20ms. Allocated memory was 73.4MB in the beginning and 503.3MB in the end (delta: 429.9MB). Free memory was 37.1MB in the beginning and 308.7MB in the end (delta: -271.6MB). Peak memory consumption was 162.6MB. Max. memory is 16.1GB. [2022-11-26 00:49:09,025 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:49:09,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5187.98ms. Allocated memory was 73.4MB in the beginning and 251.7MB in the end (delta: 178.3MB). Free memory was 36.9MB in the beginning and 145.1MB in the end (delta: -108.2MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2022-11-26 00:49:09,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 332.43ms. Allocated memory is still 251.7MB. Free memory was 145.1MB in the beginning and 114.7MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-26 00:49:09,026 INFO L158 Benchmark]: Boogie Preprocessor took 408.20ms. Allocated memory is still 251.7MB. Free memory was 114.7MB in the beginning and 137.7MB in the end (delta: -23.0MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-11-26 00:49:09,027 INFO L158 Benchmark]: RCFGBuilder took 59025.92ms. Allocated memory was 251.7MB in the beginning and 503.3MB in the end (delta: 251.7MB). Free memory was 137.7MB in the beginning and 117.4MB in the end (delta: 20.2MB). Peak memory consumption was 284.9MB. Max. memory is 16.1GB. [2022-11-26 00:49:09,027 INFO L158 Benchmark]: TraceAbstraction took 26927.10ms. Allocated memory is still 503.3MB. Free memory was 117.4MB in the beginning and 308.7MB in the end (delta: -191.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:49:09,027 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 503.3MB. Free memory is still 308.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:49:09,030 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 73.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5187.98ms. Allocated memory was 73.4MB in the beginning and 251.7MB in the end (delta: 178.3MB). Free memory was 36.9MB in the beginning and 145.1MB in the end (delta: -108.2MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 332.43ms. Allocated memory is still 251.7MB. Free memory was 145.1MB in the beginning and 114.7MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 408.20ms. Allocated memory is still 251.7MB. Free memory was 114.7MB in the beginning and 137.7MB in the end (delta: -23.0MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * RCFGBuilder took 59025.92ms. Allocated memory was 251.7MB in the beginning and 503.3MB in the end (delta: 251.7MB). Free memory was 137.7MB in the beginning and 117.4MB in the end (delta: 20.2MB). Peak memory consumption was 284.9MB. Max. memory is 16.1GB. * TraceAbstraction took 26927.10ms. Allocated memory is still 503.3MB. Free memory was 117.4MB in the beginning and 308.7MB in the end (delta: -191.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 503.3MB. Free memory is still 308.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 10992]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 10595. Possible FailurePath: [L5971] static unsigned int vhost_zcopy_mask ; [L9348] static int experimental_zcopytx ; [L10590-L10593] static struct file_operations const vhost_net_fops = {& __this_module, & noop_llseek, 0, 0, 0, 0, 0, 0, & vhost_net_ioctl, & vhost_net_compat_ioctl, 0, & vhost_net_open, 0, & vhost_net_release, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; [L10594-L10595] static struct miscdevice vhost_net_misc = {238, "vhost-net", & vhost_net_fops, {0, 0}, 0, 0, 0, (unsigned short)0}; [L10620] int LDV_IN_INTERRUPT ; [L11002] static int ldv_mutex_cred_guard_mutex ; [L11109] static int ldv_mutex_lock ; [L11216] static int ldv_mutex_mtx ; [L11323] static int ldv_mutex_mutex ; VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=0, ldv_mutex_cred_guard_mutex=0, ldv_mutex_lock=0, ldv_mutex_mtx=0, ldv_mutex_mutex=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10623] struct inode *var_group1 ; [L10624] struct file *var_group2 ; [L10625] unsigned int var_vhost_net_ioctl_27_p1 ; [L10626] unsigned long var_vhost_net_ioctl_27_p2 ; [L10627] unsigned int var_vhost_net_compat_ioctl_28_p1 ; [L10628] unsigned long var_vhost_net_compat_ioctl_28_p2 ; [L10629] int res_vhost_net_open_13 ; [L10630] int ldv_s_vhost_net_fops_file_operations ; [L10631] int tmp ; [L10632] int tmp___0 ; [L10633] int tmp___1 ; [L10635] ldv_s_vhost_net_fops_file_operations = 0 [L10636] LDV_IN_INTERRUPT = 1 [L10637] CALL ldv_initialize() [L11433] ldv_mutex_cred_guard_mutex = 1 [L11434] ldv_mutex_lock = 1 [L11435] ldv_mutex_mtx = 1 [L11436] ldv_mutex_mutex = 1 VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10637] RET ldv_initialize() [L10638] FCALL ldv_handler_precall() VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10639] CALL, EXPR vhost_net_init() [L10598] int tmp ; VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10600] COND FALSE !(experimental_zcopytx != 0) VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10604] CALL, EXPR misc_register(& vhost_net_misc) [L11595] return __VERIFIER_nondet_int(); [L10604] RET, EXPR misc_register(& vhost_net_misc) [L10604] tmp = misc_register(& vhost_net_misc) [L10605] return (tmp); VAL [\result=0, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, tmp=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10639] RET, EXPR vhost_net_init() [L10639] tmp = vhost_net_init() [L10640] COND FALSE !(tmp != 0) VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10682] tmp___1 = __VERIFIER_nondet_int() [L10683] COND TRUE tmp___1 != 0 || ldv_s_vhost_net_fops_file_operations != 0 VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___1=-2147483648, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10646] tmp___0 = __VERIFIER_nondet_int() [L10648] case 0: [L10661] case 1: [L10669] case 2: VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=2, tmp___1=-2147483648, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10670] FCALL ldv_handler_precall() VAL [__this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, ldv_s_vhost_net_fops_file_operations=0, tmp=0, tmp___0=2, tmp___1=-2147483648, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10671] CALL vhost_net_ioctl(var_group2, var_vhost_net_ioctl_27_p1, var_vhost_net_ioctl_27_p2) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10521] struct vhost_net *n ; [L10522] void *argp ; [L10523] u64 *featurep ; [L10524] struct vhost_vring_file backend ; [L10525] u64 features ; [L10526] int r ; [L10527] unsigned long tmp ; [L10528] long tmp___0 ; [L10529] int tmp___1 ; [L10530] unsigned long tmp___2 ; [L10531] int tmp___3 ; [L10532] long tmp___4 ; [L10533] long tmp___5 ; [L10535] EXPR f->private_data [L10535] n = (struct vhost_net *)f->private_data [L10536] argp = (void *)arg [L10537] featurep = (u64 *)argp [L10539] case 1074310960U: [L10547] case 2148052736U: [L10555] case 1074310912U: [L10567] case 44802U: [L10568] CALL vhost_net_reset_owner(n) [L10445] struct socket *tx_sock ; [L10446] struct socket *rx_sock ; [L10447] long err ; [L10449] tx_sock = 0 [L10450] rx_sock = 0 [L10451] CALL ldv_mutex_lock_66(& n->dev.mutex) [L10919] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={299092953661440:36028797018947664}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11361] COND TRUE ldv_mutex_mutex == 1 VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=1, lock={299092953661440:36028797018947664}, lock={299092953661440:36028797018947664}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11365] ldv_mutex_mutex = 2 VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={299092953661440:36028797018947664}, lock={299092953661440:36028797018947664}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10919] RET ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, ldv_func_arg1={299092953661440:36028797018947664}, ldv_func_arg1={299092953661440:36028797018947664}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10920] FCALL mutex_lock(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, ldv_func_arg1={299092953661440:36028797018947664}, ldv_func_arg1={299092953661440:36028797018947664}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10451] RET ldv_mutex_lock_66(& n->dev.mutex) [L10452] CALL, EXPR vhost_dev_check_owner(& n->dev) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, dev={299092953661440:36028797018947648}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6410] struct task_struct *tmp ; VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, dev={299092953661440:36028797018947648}, dev={299092953661440:36028797018947648}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] CALL, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L5283] struct task_struct *pfo_ret__ ; [L5286] case 1UL: [L5289] case 2UL: [L5292] case 4UL: [L5295] case 8UL: VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L5302] return (pfo_ret__); VAL [\old(ldv_mutex_mutex)=1, \result={0:1024}, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, pfo_ret__={0:1024}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] RET, EXPR get_current() VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, dev={299092953661440:36028797018947648}, dev={299092953661440:36028797018947648}, experimental_zcopytx=0, get_current()={0:1024}, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L6412] tmp = get_current() [L6413] EXPR dev->mm [L6413] EXPR tmp->mm [L6413] return ((unsigned long )dev->mm == (unsigned long )tmp->mm ? 0L : -1L); [L10452] RET, EXPR vhost_dev_check_owner(& n->dev) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={299092953661440:36028797018947648}, n={299092953661440:36028797018947648}, rx_sock={254:0}, tx_sock={217:0}, vhost_dev_check_owner(& n->dev)=0, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10452] err = vhost_dev_check_owner(& n->dev) [L10453] COND FALSE !(err != 0L) VAL [\old(ldv_mutex_mutex)=1, __this_module={0:0}, err=0, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={299092953661440:36028797018947648}, n={299092953661440:36028797018947648}, rx_sock={254:0}, tx_sock={217:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10457] CALL vhost_net_stop(n, & tx_sock, & rx_sock) VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={299092953661440:36028797018947648}, rx_sock={254:0}, tx_sock={217:0}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10183] CALL vhost_net_stop_vq(n, (struct vhost_virtqueue *)(& n->vqs) + 1UL) VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, n={299092953661440:36028797018947648}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0, vq={299092953661440:36028797018965064}] [L10155] struct socket *sock ; [L10156] bool __warned ; [L10157] int tmp ; [L10158] int tmp___0 ; [L10160] CALL ldv_mutex_lock_56(& vq->mutex) [L10839] CALL ldv_mutex_lock_mutex(ldv_func_arg1) VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={299092953661440:36028797018965072}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11361] COND FALSE !(ldv_mutex_mutex == 1) VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, lock={299092953661440:36028797018965072}, lock={299092953661440:36028797018965072}, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L11363] CALL ldv_error() VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] [L10992] reach_error() VAL [\old(ldv_mutex_mutex)=2, __this_module={0:0}, experimental_zcopytx=0, LDV_IN_INTERRUPT=1, ldv_mutex_cred_guard_mutex=1, ldv_mutex_lock=1, ldv_mutex_mtx=1, ldv_mutex_mutex=2, vhost_net_fops={215:0}, vhost_net_misc={216:0}, vhost_zcopy_mask=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 105 procedures, 2200 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 26.7s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12851 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12836 mSDsluCounter, 32313 SdHoareTripleChecker+Invalid, 0.5s 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, 0.2s 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: 1.8s AutomataMinimizationTime, 7 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 7.1s SatisfiabilityAnalysisTime, 1.3s 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 [2022-11-26 00:49:09,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_117bced8-2a52-444f-b8f6-5f0e3512b763/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample