./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/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 13180db7de3a8489ee06ea96825d5be5d06449dd3c867f58676a7914255b860c --- 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 [2022-11-25 22:30:11,136 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 22:30:11,138 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 22:30:11,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 22:30:11,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 22:30:11,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 22:30:11,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 22:30:11,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 22:30:11,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 22:30:11,183 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 22:30:11,185 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 22:30:11,186 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 22:30:11,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 22:30:11,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 22:30:11,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 22:30:11,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 22:30:11,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 22:30:11,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 22:30:11,198 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 22:30:11,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 22:30:11,205 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 22:30:11,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 22:30:11,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 22:30:11,209 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 22:30:11,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 22:30:11,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 22:30:11,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 22:30:11,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 22:30:11,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 22:30:11,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 22:30:11,225 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 22:30:11,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 22:30:11,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 22:30:11,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 22:30:11,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 22:30:11,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 22:30:11,231 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 22:30:11,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 22:30:11,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 22:30:11,233 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 22:30:11,233 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 22:30:11,234 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-25 22:30:11,276 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 22:30:11,277 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 22:30:11,277 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 22:30:11,277 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 22:30:11,278 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 22:30:11,278 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 22:30:11,278 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 22:30:11,279 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 22:30:11,279 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 22:30:11,279 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 22:30:11,279 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 22:30:11,280 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 22:30:11,280 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 22:30:11,280 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 22:30:11,280 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 22:30:11,281 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 22:30:11,281 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 22:30:11,281 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 22:30:11,283 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 22:30:11,284 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 22:30:11,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 22:30:11,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 22:30:11,284 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 22:30:11,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 22:30:11,285 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 22:30:11,285 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 22:30:11,286 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 22:30:11,286 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 22:30:11,287 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 22:30:11,287 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:30:11,287 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 22:30:11,288 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 22:30:11,288 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 22:30:11,288 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 22:30:11,288 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 22:30:11,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 22:30:11,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 22:30:11,290 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 22:30:11,290 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13180db7de3a8489ee06ea96825d5be5d06449dd3c867f58676a7914255b860c [2022-11-25 22:30:11,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 22:30:11,634 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 22:30:11,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 22:30:11,637 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 22:30:11,638 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 22:30:11,639 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-11-25 22:30:14,742 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 22:30:15,426 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 22:30:15,427 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-11-25 22:30:15,486 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/data/55133fd85/f7ecd6adc221459ea1dea24102540bf2/FLAG97fe87929 [2022-11-25 22:30:15,504 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/data/55133fd85/f7ecd6adc221459ea1dea24102540bf2 [2022-11-25 22:30:15,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 22:30:15,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 22:30:15,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 22:30:15,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 22:30:15,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 22:30:15,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:30:15" (1/1) ... [2022-11-25 22:30:15,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2732d970 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:15, skipping insertion in model container [2022-11-25 22:30:15,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 10:30:15" (1/1) ... [2022-11-25 22:30:15,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 22:30:15,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 22:30:16,926 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-11-25 22:30:17,011 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:30:17,023 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 22:30:17,040 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:30:17,051 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 22:30:17,243 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-11-25 22:30:17,286 WARN L623 FunctionHandler]: Unknown extern function __put_net [2022-11-25 22:30:17,394 WARN L623 FunctionHandler]: Unknown extern function __nlmsg_put [2022-11-25 22:30:17,426 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-11-25 22:30:17,438 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-11-25 22:30:17,520 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:30:17,522 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:30:17,523 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 22:30:17,551 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:30:17,552 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:30:17,553 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 22:30:17,577 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:30:17,577 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:30:17,579 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:30:17,580 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:30:17,612 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:30:17,634 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:30:17,635 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:30:17,636 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:30:17,709 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_alloc_skb [2022-11-25 22:30:17,710 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_alloc_skb [2022-11-25 22:30:17,719 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 22:30:17,721 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:30:17,721 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_unicast [2022-11-25 22:30:17,739 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-11-25 22:30:17,739 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-11-25 22:30:17,748 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-11-25 22:30:17,752 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-11-25 22:30:17,753 WARN L623 FunctionHandler]: Unknown extern function ns_to_timeval [2022-11-25 22:30:17,755 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-11-25 22:30:17,757 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-25 22:30:17,759 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-11-25 22:30:17,763 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:30:17,764 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-11-25 22:30:17,765 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 22:30:17,765 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:30:17,799 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:30:17,823 WARN L623 FunctionHandler]: Unknown extern function nf_log_bind_pf [2022-11-25 22:30:17,823 WARN L623 FunctionHandler]: Unknown extern function nf_log_unbind_pf [2022-11-25 22:30:17,840 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:30:17,841 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_bh_held [2022-11-25 22:30:17,841 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 22:30:17,848 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:30:17,849 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_bh_held [2022-11-25 22:30:17,849 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 22:30:17,851 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:30:17,851 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_bh_held [2022-11-25 22:30:17,851 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 22:30:17,879 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:30:17,885 WARN L623 FunctionHandler]: Unknown extern function seq_open_net [2022-11-25 22:30:17,892 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:30:17,898 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 22:30:17,898 WARN L623 FunctionHandler]: Unknown extern function nf_log_unset [2022-11-25 22:30:17,904 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_subsys_register [2022-11-25 22:30:17,904 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:30:17,905 WARN L623 FunctionHandler]: Unknown extern function nf_log_register [2022-11-25 22:30:17,905 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:30:17,906 WARN L623 FunctionHandler]: Unknown extern function register_pernet_subsys [2022-11-25 22:30:17,906 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:30:17,906 WARN L623 FunctionHandler]: Unknown extern function nf_log_unregister [2022-11-25 22:30:17,907 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_subsys_unregister [2022-11-25 22:30:17,912 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_subsys [2022-11-25 22:30:17,913 WARN L623 FunctionHandler]: Unknown extern function nf_log_unregister [2022-11-25 22:30:17,913 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_subsys_unregister [2022-11-25 22:30:18,129 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 22:30:18,130 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 22:30:18,130 WARN L623 FunctionHandler]: Unknown extern function seq_release_net [2022-11-25 22:30:18,148 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:30:18,149 WARN L623 FunctionHandler]: Unknown extern function netlink_register_notifier [2022-11-25 22:30:18,150 WARN L623 FunctionHandler]: Unknown extern function netlink_unregister_notifier [2022-11-25 22:30:18,178 WARN L623 FunctionHandler]: Unknown extern function netlink_unregister_notifier [2022-11-25 22:30:18,667 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:30:18,923 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:30:19,704 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400642,400655] [2022-11-25 22:30:19,712 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400787,400800] [2022-11-25 22:30:19,714 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400933,400946] [2022-11-25 22:30:19,714 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401098,401111] [2022-11-25 22:30:19,720 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401256,401269] [2022-11-25 22:30:19,721 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401414,401427] [2022-11-25 22:30:19,722 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401572,401585] [2022-11-25 22:30:19,722 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401732,401745] [2022-11-25 22:30:19,723 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401891,401904] [2022-11-25 22:30:19,723 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402030,402043] [2022-11-25 22:30:19,724 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402172,402185] [2022-11-25 22:30:19,724 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402321,402334] [2022-11-25 22:30:19,724 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402460,402473] [2022-11-25 22:30:19,725 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402615,402628] [2022-11-25 22:30:19,725 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402775,402788] [2022-11-25 22:30:19,726 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402926,402939] [2022-11-25 22:30:19,726 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403077,403090] [2022-11-25 22:30:19,727 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403229,403242] [2022-11-25 22:30:19,727 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403378,403391] [2022-11-25 22:30:19,728 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403526,403539] [2022-11-25 22:30:19,728 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403683,403696] [2022-11-25 22:30:19,729 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403832,403845] [2022-11-25 22:30:19,729 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403988,404001] [2022-11-25 22:30:19,730 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404141,404154] [2022-11-25 22:30:19,730 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404287,404300] [2022-11-25 22:30:19,731 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404430,404443] [2022-11-25 22:30:19,731 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404582,404595] [2022-11-25 22:30:19,732 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404728,404741] [2022-11-25 22:30:19,732 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404873,404886] [2022-11-25 22:30:19,732 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405027,405040] [2022-11-25 22:30:19,742 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405178,405191] [2022-11-25 22:30:19,742 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405333,405346] [2022-11-25 22:30:19,743 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405485,405498] [2022-11-25 22:30:19,744 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405640,405653] [2022-11-25 22:30:19,745 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405804,405817] [2022-11-25 22:30:19,746 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405960,405973] [2022-11-25 22:30:19,746 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406124,406137] [2022-11-25 22:30:19,747 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406266,406279] [2022-11-25 22:30:19,749 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406424,406437] [2022-11-25 22:30:19,750 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406591,406604] [2022-11-25 22:30:19,750 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406750,406763] [2022-11-25 22:30:19,751 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406909,406922] [2022-11-25 22:30:19,751 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407058,407071] [2022-11-25 22:30:19,752 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407205,407218] [2022-11-25 22:30:19,753 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407344,407357] [2022-11-25 22:30:19,754 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407507,407520] [2022-11-25 22:30:19,755 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407673,407686] [2022-11-25 22:30:19,755 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407837,407850] [2022-11-25 22:30:19,756 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408002,408015] [2022-11-25 22:30:19,758 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408167,408180] [2022-11-25 22:30:19,758 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408333,408346] [2022-11-25 22:30:19,759 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408498,408511] [2022-11-25 22:30:19,759 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408665,408678] [2022-11-25 22:30:19,759 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408825,408838] [2022-11-25 22:30:19,760 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408987,409000] [2022-11-25 22:30:19,760 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409146,409159] [2022-11-25 22:30:19,761 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409292,409305] [2022-11-25 22:30:19,761 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409435,409448] [2022-11-25 22:30:19,762 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409579,409592] [2022-11-25 22:30:19,762 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409722,409735] [2022-11-25 22:30:19,763 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409866,409879] [2022-11-25 22:30:19,763 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410007,410020] [2022-11-25 22:30:19,763 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410145,410158] [2022-11-25 22:30:19,764 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410303,410316] [2022-11-25 22:30:19,764 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410462,410475] [2022-11-25 22:30:19,765 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410618,410631] [2022-11-25 22:30:19,765 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410767,410780] [2022-11-25 22:30:19,765 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410919,410932] [2022-11-25 22:30:19,766 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411070,411083] [2022-11-25 22:30:19,766 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411219,411232] [2022-11-25 22:30:19,767 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411371,411384] [2022-11-25 22:30:19,767 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411519,411532] [2022-11-25 22:30:19,768 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411672,411685] [2022-11-25 22:30:19,768 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411823,411836] [2022-11-25 22:30:19,768 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411973,411986] [2022-11-25 22:30:19,769 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412120,412133] [2022-11-25 22:30:19,769 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412271,412284] [2022-11-25 22:30:19,770 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412422,412435] [2022-11-25 22:30:19,770 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412570,412583] [2022-11-25 22:30:19,770 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412736,412749] [2022-11-25 22:30:19,771 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412905,412918] [2022-11-25 22:30:19,771 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413072,413085] [2022-11-25 22:30:19,772 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413240,413253] [2022-11-25 22:30:19,772 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413390,413403] [2022-11-25 22:30:19,773 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413537,413550] [2022-11-25 22:30:19,773 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413698,413711] [2022-11-25 22:30:19,773 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413868,413881] [2022-11-25 22:30:19,774 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[414030,414043] [2022-11-25 22:30:19,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:30:19,819 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 22:30:20,004 WARN L623 FunctionHandler]: Unknown extern function __cmpxchg_wrong_size [2022-11-25 22:30:20,005 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-11-25 22:30:20,006 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-11-25 22:30:20,006 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-11-25 22:30:20,007 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-11-25 22:30:20,009 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-11-25 22:30:20,011 WARN L623 FunctionHandler]: Unknown extern function __put_net [2022-11-25 22:30:20,020 WARN L623 FunctionHandler]: Unknown extern function __nlmsg_put [2022-11-25 22:30:20,022 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-11-25 22:30:20,023 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-11-25 22:30:20,024 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:30:20,025 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:30:20,025 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 22:30:20,027 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:30:20,027 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:30:20,027 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 22:30:20,029 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:30:20,029 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:30:20,030 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:30:20,031 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-11-25 22:30:20,033 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:30:20,035 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-11-25 22:30:20,035 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:30:20,036 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-11-25 22:30:20,040 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_alloc_skb [2022-11-25 22:30:20,040 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_alloc_skb [2022-11-25 22:30:20,041 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_fmt [2022-11-25 22:30:20,042 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-11-25 22:30:20,042 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_unicast [2022-11-25 22:30:20,046 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-11-25 22:30:20,047 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-11-25 22:30:20,051 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-11-25 22:30:20,053 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-11-25 22:30:20,053 WARN L623 FunctionHandler]: Unknown extern function ns_to_timeval [2022-11-25 22:30:20,054 WARN L623 FunctionHandler]: Unknown extern function nla_put [2022-11-25 22:30:20,061 WARN L623 FunctionHandler]: Unknown extern function from_kuid_munged [2022-11-25 22:30:20,062 WARN L623 FunctionHandler]: Unknown extern function from_kgid_munged [2022-11-25 22:30:20,064 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-11-25 22:30:20,064 WARN L623 FunctionHandler]: Unknown extern function skb_copy_bits [2022-11-25 22:30:20,065 WARN L623 FunctionHandler]: Unknown extern function net_ratelimit [2022-11-25 22:30:20,065 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:30:20,072 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-11-25 22:30:20,077 WARN L623 FunctionHandler]: Unknown extern function nf_log_bind_pf [2022-11-25 22:30:20,078 WARN L623 FunctionHandler]: Unknown extern function nf_log_unbind_pf [2022-11-25 22:30:20,088 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:30:20,088 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_bh_held [2022-11-25 22:30:20,089 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 22:30:20,090 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:30:20,090 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_bh_held [2022-11-25 22:30:20,091 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 22:30:20,092 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-11-25 22:30:20,092 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_bh_held [2022-11-25 22:30:20,092 WARN L623 FunctionHandler]: Unknown extern function lockdep_rcu_suspicious [2022-11-25 22:30:20,094 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-11-25 22:30:20,095 WARN L623 FunctionHandler]: Unknown extern function seq_open_net [2022-11-25 22:30:20,097 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-11-25 22:30:20,098 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-11-25 22:30:20,098 WARN L623 FunctionHandler]: Unknown extern function nf_log_unset [2022-11-25 22:30:20,099 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_subsys_register [2022-11-25 22:30:20,099 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:30:20,099 WARN L623 FunctionHandler]: Unknown extern function nf_log_register [2022-11-25 22:30:20,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:30:20,100 WARN L623 FunctionHandler]: Unknown extern function register_pernet_subsys [2022-11-25 22:30:20,100 WARN L623 FunctionHandler]: Unknown extern function printk [2022-11-25 22:30:20,101 WARN L623 FunctionHandler]: Unknown extern function nf_log_unregister [2022-11-25 22:30:20,101 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_subsys_unregister [2022-11-25 22:30:20,101 WARN L623 FunctionHandler]: Unknown extern function unregister_pernet_subsys [2022-11-25 22:30:20,101 WARN L623 FunctionHandler]: Unknown extern function nf_log_unregister [2022-11-25 22:30:20,102 WARN L623 FunctionHandler]: Unknown extern function nfnetlink_subsys_unregister [2022-11-25 22:30:20,109 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-11-25 22:30:20,109 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-11-25 22:30:20,110 WARN L623 FunctionHandler]: Unknown extern function seq_release_net [2022-11-25 22:30:20,118 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-11-25 22:30:20,118 WARN L623 FunctionHandler]: Unknown extern function netlink_register_notifier [2022-11-25 22:30:20,119 WARN L623 FunctionHandler]: Unknown extern function netlink_unregister_notifier [2022-11-25 22:30:20,120 WARN L623 FunctionHandler]: Unknown extern function netlink_unregister_notifier [2022-11-25 22:30:20,134 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-11-25 22:30:20,142 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-11-25 22:30:20,169 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400642,400655] [2022-11-25 22:30:20,170 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400787,400800] [2022-11-25 22:30:20,170 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400933,400946] [2022-11-25 22:30:20,171 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401098,401111] [2022-11-25 22:30:20,171 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401256,401269] [2022-11-25 22:30:20,171 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401414,401427] [2022-11-25 22:30:20,172 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401572,401585] [2022-11-25 22:30:20,172 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401732,401745] [2022-11-25 22:30:20,173 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401891,401904] [2022-11-25 22:30:20,173 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402030,402043] [2022-11-25 22:30:20,173 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402172,402185] [2022-11-25 22:30:20,174 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402321,402334] [2022-11-25 22:30:20,174 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402460,402473] [2022-11-25 22:30:20,175 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402615,402628] [2022-11-25 22:30:20,175 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402775,402788] [2022-11-25 22:30:20,175 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402926,402939] [2022-11-25 22:30:20,176 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403077,403090] [2022-11-25 22:30:20,176 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403229,403242] [2022-11-25 22:30:20,176 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403378,403391] [2022-11-25 22:30:20,177 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403526,403539] [2022-11-25 22:30:20,177 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403683,403696] [2022-11-25 22:30:20,178 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403832,403845] [2022-11-25 22:30:20,178 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403988,404001] [2022-11-25 22:30:20,178 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404141,404154] [2022-11-25 22:30:20,179 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404287,404300] [2022-11-25 22:30:20,179 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404430,404443] [2022-11-25 22:30:20,180 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404582,404595] [2022-11-25 22:30:20,180 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404728,404741] [2022-11-25 22:30:20,180 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404873,404886] [2022-11-25 22:30:20,181 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405027,405040] [2022-11-25 22:30:20,181 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405178,405191] [2022-11-25 22:30:20,182 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405333,405346] [2022-11-25 22:30:20,182 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405485,405498] [2022-11-25 22:30:20,183 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405640,405653] [2022-11-25 22:30:20,183 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405804,405817] [2022-11-25 22:30:20,184 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405960,405973] [2022-11-25 22:30:20,184 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406124,406137] [2022-11-25 22:30:20,184 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406266,406279] [2022-11-25 22:30:20,185 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406424,406437] [2022-11-25 22:30:20,185 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406591,406604] [2022-11-25 22:30:20,186 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406750,406763] [2022-11-25 22:30:20,186 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406909,406922] [2022-11-25 22:30:20,186 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407058,407071] [2022-11-25 22:30:20,187 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407205,407218] [2022-11-25 22:30:20,187 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407344,407357] [2022-11-25 22:30:20,188 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407507,407520] [2022-11-25 22:30:20,188 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407673,407686] [2022-11-25 22:30:20,188 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407837,407850] [2022-11-25 22:30:20,189 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408002,408015] [2022-11-25 22:30:20,189 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408167,408180] [2022-11-25 22:30:20,190 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408333,408346] [2022-11-25 22:30:20,190 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408498,408511] [2022-11-25 22:30:20,190 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408665,408678] [2022-11-25 22:30:20,191 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408825,408838] [2022-11-25 22:30:20,191 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408987,409000] [2022-11-25 22:30:20,192 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409146,409159] [2022-11-25 22:30:20,192 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409292,409305] [2022-11-25 22:30:20,192 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409435,409448] [2022-11-25 22:30:20,193 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409579,409592] [2022-11-25 22:30:20,193 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409722,409735] [2022-11-25 22:30:20,194 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409866,409879] [2022-11-25 22:30:20,194 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410007,410020] [2022-11-25 22:30:20,194 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410145,410158] [2022-11-25 22:30:20,195 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410303,410316] [2022-11-25 22:30:20,195 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410462,410475] [2022-11-25 22:30:20,195 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410618,410631] [2022-11-25 22:30:20,196 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410767,410780] [2022-11-25 22:30:20,196 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410919,410932] [2022-11-25 22:30:20,197 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411070,411083] [2022-11-25 22:30:20,197 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411219,411232] [2022-11-25 22:30:20,197 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411371,411384] [2022-11-25 22:30:20,198 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411519,411532] [2022-11-25 22:30:20,198 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411672,411685] [2022-11-25 22:30:20,199 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411823,411836] [2022-11-25 22:30:20,199 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411973,411986] [2022-11-25 22:30:20,199 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412120,412133] [2022-11-25 22:30:20,200 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412271,412284] [2022-11-25 22:30:20,200 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412422,412435] [2022-11-25 22:30:20,201 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412570,412583] [2022-11-25 22:30:20,201 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412736,412749] [2022-11-25 22:30:20,201 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412905,412918] [2022-11-25 22:30:20,202 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413072,413085] [2022-11-25 22:30:20,202 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413240,413253] [2022-11-25 22:30:20,202 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413390,413403] [2022-11-25 22:30:20,203 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413537,413550] [2022-11-25 22:30:20,203 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413698,413711] [2022-11-25 22:30:20,203 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413868,413881] [2022-11-25 22:30:20,204 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_8f2d7a29-b231-449c-bce4-cf9ed974b45b/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[414030,414043] [2022-11-25 22:30:20,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 22:30:20,434 INFO L208 MainTranslator]: Completed translation [2022-11-25 22:30:20,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:20 WrapperNode [2022-11-25 22:30:20,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 22:30:20,436 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 22:30:20,436 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 22:30:20,436 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 22:30:20,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:20" (1/1) ... [2022-11-25 22:30:20,535 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:20" (1/1) ... [2022-11-25 22:30:20,699 INFO L138 Inliner]: procedures = 616, calls = 1459, calls flagged for inlining = 273, calls inlined = 178, statements flattened = 2632 [2022-11-25 22:30:20,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 22:30:20,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 22:30:20,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 22:30:20,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 22:30:20,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:20" (1/1) ... [2022-11-25 22:30:20,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:20" (1/1) ... [2022-11-25 22:30:20,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:20" (1/1) ... [2022-11-25 22:30:20,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:20" (1/1) ... [2022-11-25 22:30:20,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:20" (1/1) ... [2022-11-25 22:30:20,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:20" (1/1) ... [2022-11-25 22:30:20,946 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:20" (1/1) ... [2022-11-25 22:30:20,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:20" (1/1) ... [2022-11-25 22:30:20,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 22:30:20,999 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 22:30:20,999 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 22:30:20,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 22:30:21,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:20" (1/1) ... [2022-11-25 22:30:21,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 22:30:21,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:30:21,035 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 22:30:21,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 22:30:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-11-25 22:30:21,076 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-11-25 22:30:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 22:30:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-25 22:30:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release_net [2022-11-25 22:30:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release_net [2022-11-25 22:30:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-25 22:30:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-25 22:30:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-25 22:30:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-25 22:30:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-25 22:30:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-25 22:30:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 22:30:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-25 22:30:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:30:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-25 22:30:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_send [2022-11-25 22:30:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_send [2022-11-25 22:30:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh [2022-11-25 22:30:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh [2022-11-25 22:30:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure instance_put [2022-11-25 22:30:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_put [2022-11-25 22:30:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-25 22:30:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-25 22:30:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure nf_log_unregister [2022-11-25 22:30:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_log_unregister [2022-11-25 22:30:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 22:30:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-25 22:30:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-25 22:30:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-25 22:30:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-25 22:30:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-25 22:30:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-25 22:30:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-25 22:30:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-25 22:30:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-25 22:30:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-25 22:30:21,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-25 22:30:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 22:30:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-11-25 22:30:21,084 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-11-25 22:30:21,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-25 22:30:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-25 22:30:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-25 22:30:21,085 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-25 22:30:21,085 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-25 22:30:21,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-25 22:30:21,086 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-25 22:30:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-25 22:30:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-25 22:30:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-25 22:30:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure nfnetlink_subsys_unregister [2022-11-25 22:30:21,087 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnetlink_subsys_unregister [2022-11-25 22:30:21,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 22:30:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-25 22:30:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 22:30:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 22:30:21,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-25 22:30:21,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 22:30:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-25 22:30:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2022-11-25 22:30:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2022-11-25 22:30:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_130 [2022-11-25 22:30:21,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_130 [2022-11-25 22:30:21,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 22:30:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-25 22:30:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-11-25 22:30:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-11-25 22:30:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_138 [2022-11-25 22:30:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_138 [2022-11-25 22:30:21,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 22:30:21,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-25 22:30:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure instance_lookup_get [2022-11-25 22:30:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_lookup_get [2022-11-25 22:30:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-25 22:30:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 22:30:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-25 22:30:21,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-25 22:30:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-25 22:30:21,092 INFO L130 BoogieDeclarations]: Found specification of procedure seq_show [2022-11-25 22:30:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_show [2022-11-25 22:30:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 22:30:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-25 22:30:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 22:30:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 22:30:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-11-25 22:30:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-11-25 22:30:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-25 22:30:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-25 22:30:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-25 22:30:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-25 22:30:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-25 22:30:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-25 22:30:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-25 22:30:21,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:30:21,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-25 22:30:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure nful_open [2022-11-25 22:30:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure nful_open [2022-11-25 22:30:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-25 22:30:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-25 22:30:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netlink_unregister_notifier [2022-11-25 22:30:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netlink_unregister_notifier [2022-11-25 22:30:21,095 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_be32 [2022-11-25 22:30:21,095 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_be32 [2022-11-25 22:30:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-25 22:30:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-25 22:30:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_pernet [2022-11-25 22:30:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_pernet [2022-11-25 22:30:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-25 22:30:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-25 22:30:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-11-25 22:30:21,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-11-25 22:30:21,096 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_data [2022-11-25 22:30:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_data [2022-11-25 22:30:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 22:30:21,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-25 22:30:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 22:30:21,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 22:30:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-25 22:30:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-25 22:30:21,098 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_bh [2022-11-25 22:30:21,098 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_bh [2022-11-25 22:30:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-25 22:30:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_net_exit [2022-11-25 22:30:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_net_exit [2022-11-25 22:30:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-25 22:30:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-25 22:30:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-25 22:30:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-25 22:30:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 22:30:21,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-25 22:30:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_lookup [2022-11-25 22:30:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_lookup [2022-11-25 22:30:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-25 22:30:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-25 22:30:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-25 22:30:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-25 22:30:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 22:30:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-25 22:30:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 22:30:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-25 22:30:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_132 [2022-11-25 22:30:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_132 [2022-11-25 22:30:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_139 [2022-11-25 22:30:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_139 [2022-11-25 22:30:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_unregister_notifier [2022-11-25 22:30:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_unregister_notifier [2022-11-25 22:30:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-25 22:30:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-25 22:30:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 22:30:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-25 22:30:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-25 22:30:21,102 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-25 22:30:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 22:30:21,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 22:30:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-25 22:30:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-25 22:30:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-25 22:30:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 22:30:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-25 22:30:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-25 22:30:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-25 22:30:21,103 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-25 22:30:21,103 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-25 22:30:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh_held [2022-11-25 22:30:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh_held [2022-11-25 22:30:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_destroy [2022-11-25 22:30:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_destroy [2022-11-25 22:30:21,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-25 22:30:21,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-25 22:30:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-11-25 22:30:21,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-11-25 22:30:21,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 22:30:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-25 22:30:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure instance_hashfn [2022-11-25 22:30:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_hashfn [2022-11-25 22:30:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 22:30:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_flush [2022-11-25 22:30:21,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_flush [2022-11-25 22:30:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure get_next [2022-11-25 22:30:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next [2022-11-25 22:30:21,830 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 22:30:21,834 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 22:30:21,984 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-25 22:30:23,816 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 22:30:24,125 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 22:30:24,126 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 22:30:24,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:30:24 BoogieIcfgContainer [2022-11-25 22:30:24,130 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 22:30:24,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 22:30:24,132 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 22:30:24,135 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 22:30:24,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 10:30:15" (1/3) ... [2022-11-25 22:30:24,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df2d7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:30:24, skipping insertion in model container [2022-11-25 22:30:24,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 10:30:20" (2/3) ... [2022-11-25 22:30:24,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df2d7ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 10:30:24, skipping insertion in model container [2022-11-25 22:30:24,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 10:30:24" (3/3) ... [2022-11-25 22:30:24,138 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-11-25 22:30:24,158 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 22:30:24,158 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2022-11-25 22:30:24,222 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 22:30:24,228 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;@23a8466, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 22:30:24,228 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-11-25 22:30:24,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 864 states, 489 states have (on average 1.3251533742331287) internal successors, (648), 545 states have internal predecessors, (648), 260 states have call successors, (260), 84 states have call predecessors, (260), 83 states have return successors, (255), 251 states have call predecessors, (255), 255 states have call successors, (255) [2022-11-25 22:30:24,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-25 22:30:24,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:24,247 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:24,248 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:24,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:24,253 INFO L85 PathProgramCache]: Analyzing trace with hash 1334050721, now seen corresponding path program 1 times [2022-11-25 22:30:24,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:24,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547278835] [2022-11-25 22:30:24,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:24,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:25,035 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:25,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:25,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547278835] [2022-11-25 22:30:25,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547278835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:25,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:25,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:25,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461753778] [2022-11-25 22:30:25,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:25,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:25,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:25,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:25,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:25,089 INFO L87 Difference]: Start difference. First operand has 864 states, 489 states have (on average 1.3251533742331287) internal successors, (648), 545 states have internal predecessors, (648), 260 states have call successors, (260), 84 states have call predecessors, (260), 83 states have return successors, (255), 251 states have call predecessors, (255), 255 states have call successors, (255) Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 22:30:26,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:26,017 INFO L93 Difference]: Finished difference Result 1708 states and 2388 transitions. [2022-11-25 22:30:26,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:30:26,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 51 [2022-11-25 22:30:26,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:26,037 INFO L225 Difference]: With dead ends: 1708 [2022-11-25 22:30:26,038 INFO L226 Difference]: Without dead ends: 849 [2022-11-25 22:30:26,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:26,049 INFO L413 NwaCegarLoop]: 966 mSDtfsCounter, 1104 mSDsluCounter, 966 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1106 SdHoareTripleChecker+Valid, 1932 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:26,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1106 Valid, 1932 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 22:30:26,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2022-11-25 22:30:26,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 849. [2022-11-25 22:30:26,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 849 states, 482 states have (on average 1.2510373443983402) internal successors, (603), 533 states have internal predecessors, (603), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-11-25 22:30:26,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 849 states and 1111 transitions. [2022-11-25 22:30:26,184 INFO L78 Accepts]: Start accepts. Automaton has 849 states and 1111 transitions. Word has length 51 [2022-11-25 22:30:26,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:26,185 INFO L495 AbstractCegarLoop]: Abstraction has 849 states and 1111 transitions. [2022-11-25 22:30:26,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-25 22:30:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1111 transitions. [2022-11-25 22:30:26,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-25 22:30:26,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:26,189 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:26,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 22:30:26,190 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:26,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:26,191 INFO L85 PathProgramCache]: Analyzing trace with hash -2108156251, now seen corresponding path program 1 times [2022-11-25 22:30:26,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:26,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641211359] [2022-11-25 22:30:26,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:26,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:26,497 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:26,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:26,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1641211359] [2022-11-25 22:30:26,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1641211359] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:26,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:26,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:26,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400694168] [2022-11-25 22:30:26,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:26,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:26,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:26,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:26,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:26,500 INFO L87 Difference]: Start difference. First operand 849 states and 1111 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 22:30:27,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:27,338 INFO L93 Difference]: Finished difference Result 849 states and 1111 transitions. [2022-11-25 22:30:27,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:30:27,339 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 56 [2022-11-25 22:30:27,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:27,345 INFO L225 Difference]: With dead ends: 849 [2022-11-25 22:30:27,345 INFO L226 Difference]: Without dead ends: 847 [2022-11-25 22:30:27,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:27,347 INFO L413 NwaCegarLoop]: 948 mSDtfsCounter, 1084 mSDsluCounter, 948 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1086 SdHoareTripleChecker+Valid, 1896 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:27,347 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1086 Valid, 1896 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 22:30:27,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2022-11-25 22:30:27,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 847. [2022-11-25 22:30:27,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 847 states, 481 states have (on average 1.2494802494802495) internal successors, (601), 531 states have internal predecessors, (601), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-11-25 22:30:27,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 847 states to 847 states and 1109 transitions. [2022-11-25 22:30:27,436 INFO L78 Accepts]: Start accepts. Automaton has 847 states and 1109 transitions. Word has length 56 [2022-11-25 22:30:27,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:27,436 INFO L495 AbstractCegarLoop]: Abstraction has 847 states and 1109 transitions. [2022-11-25 22:30:27,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-25 22:30:27,437 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1109 transitions. [2022-11-25 22:30:27,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-25 22:30:27,447 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:27,447 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:30:27,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 22:30:27,450 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:27,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:27,451 INFO L85 PathProgramCache]: Analyzing trace with hash -596216752, now seen corresponding path program 1 times [2022-11-25 22:30:27,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:27,453 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199846300] [2022-11-25 22:30:27,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:27,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:27,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:27,801 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:27,801 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:27,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199846300] [2022-11-25 22:30:27,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199846300] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:27,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:27,802 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:27,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676693473] [2022-11-25 22:30:27,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:27,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:27,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:27,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:27,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:27,804 INFO L87 Difference]: Start difference. First operand 847 states and 1109 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 22:30:28,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:28,357 INFO L93 Difference]: Finished difference Result 847 states and 1109 transitions. [2022-11-25 22:30:28,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:30:28,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 61 [2022-11-25 22:30:28,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:28,363 INFO L225 Difference]: With dead ends: 847 [2022-11-25 22:30:28,363 INFO L226 Difference]: Without dead ends: 845 [2022-11-25 22:30:28,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:28,365 INFO L413 NwaCegarLoop]: 946 mSDtfsCounter, 1081 mSDsluCounter, 946 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1083 SdHoareTripleChecker+Valid, 1892 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:28,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1083 Valid, 1892 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-25 22:30:28,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2022-11-25 22:30:28,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 845. [2022-11-25 22:30:28,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 480 states have (on average 1.2479166666666666) internal successors, (599), 529 states have internal predecessors, (599), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-11-25 22:30:28,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 1107 transitions. [2022-11-25 22:30:28,436 INFO L78 Accepts]: Start accepts. Automaton has 845 states and 1107 transitions. Word has length 61 [2022-11-25 22:30:28,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:28,437 INFO L495 AbstractCegarLoop]: Abstraction has 845 states and 1107 transitions. [2022-11-25 22:30:28,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-25 22:30:28,437 INFO L276 IsEmpty]: Start isEmpty. Operand 845 states and 1107 transitions. [2022-11-25 22:30:28,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-25 22:30:28,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:28,439 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:30:28,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 22:30:28,439 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:28,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:28,440 INFO L85 PathProgramCache]: Analyzing trace with hash -214400078, now seen corresponding path program 1 times [2022-11-25 22:30:28,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:28,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294835400] [2022-11-25 22:30:28,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:28,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:28,709 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:28,709 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:28,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294835400] [2022-11-25 22:30:28,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294835400] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:28,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:28,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:28,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932869821] [2022-11-25 22:30:28,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:28,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:28,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:28,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:28,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:28,712 INFO L87 Difference]: Start difference. First operand 845 states and 1107 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 22:30:29,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:29,489 INFO L93 Difference]: Finished difference Result 845 states and 1107 transitions. [2022-11-25 22:30:29,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:30:29,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 66 [2022-11-25 22:30:29,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:29,495 INFO L225 Difference]: With dead ends: 845 [2022-11-25 22:30:29,495 INFO L226 Difference]: Without dead ends: 843 [2022-11-25 22:30:29,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:29,497 INFO L413 NwaCegarLoop]: 944 mSDtfsCounter, 1078 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1080 SdHoareTripleChecker+Valid, 1888 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:29,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1080 Valid, 1888 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-25 22:30:29,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2022-11-25 22:30:29,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 843. [2022-11-25 22:30:29,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 843 states, 479 states have (on average 1.2463465553235908) internal successors, (597), 527 states have internal predecessors, (597), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-11-25 22:30:29,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 1105 transitions. [2022-11-25 22:30:29,568 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 1105 transitions. Word has length 66 [2022-11-25 22:30:29,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:29,569 INFO L495 AbstractCegarLoop]: Abstraction has 843 states and 1105 transitions. [2022-11-25 22:30:29,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-25 22:30:29,569 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 1105 transitions. [2022-11-25 22:30:29,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-25 22:30:29,570 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:29,570 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:29,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 22:30:29,571 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting nfnl_log_pernetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:29,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:29,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1412452769, now seen corresponding path program 1 times [2022-11-25 22:30:29,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:29,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283841695] [2022-11-25 22:30:29,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:29,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-25 22:30:30,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:30,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283841695] [2022-11-25 22:30:30,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283841695] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:30,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:30,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:30:30,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489831989] [2022-11-25 22:30:30,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:30,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:30:30,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:30,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:30:30,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:30,076 INFO L87 Difference]: Start difference. First operand 843 states and 1105 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-25 22:30:32,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:32,076 INFO L93 Difference]: Finished difference Result 1404 states and 1803 transitions. [2022-11-25 22:30:32,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 22:30:32,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 76 [2022-11-25 22:30:32,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:32,085 INFO L225 Difference]: With dead ends: 1404 [2022-11-25 22:30:32,086 INFO L226 Difference]: Without dead ends: 1402 [2022-11-25 22:30:32,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:30:32,088 INFO L413 NwaCegarLoop]: 1183 mSDtfsCounter, 687 mSDsluCounter, 2962 mSDsCounter, 0 mSdLazyCounter, 1033 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 4145 SdHoareTripleChecker+Invalid, 1034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1033 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:32,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 4145 Invalid, 1034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1033 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-25 22:30:32,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1402 states. [2022-11-25 22:30:32,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1402 to 1231. [2022-11-25 22:30:32,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1231 states, 695 states have (on average 1.2388489208633093) internal successors, (861), 759 states have internal predecessors, (861), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-11-25 22:30:32,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1619 transitions. [2022-11-25 22:30:32,237 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1619 transitions. Word has length 76 [2022-11-25 22:30:32,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:32,237 INFO L495 AbstractCegarLoop]: Abstraction has 1231 states and 1619 transitions. [2022-11-25 22:30:32,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-11-25 22:30:32,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1619 transitions. [2022-11-25 22:30:32,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-25 22:30:32,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:32,239 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-11-25 22:30:32,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 22:30:32,240 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:32,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:32,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1300426230, now seen corresponding path program 1 times [2022-11-25 22:30:32,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:32,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618851152] [2022-11-25 22:30:32,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:32,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:32,483 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:32,484 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:32,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618851152] [2022-11-25 22:30:32,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [618851152] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:32,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:32,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:32,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018372406] [2022-11-25 22:30:32,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:32,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:32,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:32,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:32,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:32,486 INFO L87 Difference]: Start difference. First operand 1231 states and 1619 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 22:30:33,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:33,119 INFO L93 Difference]: Finished difference Result 1231 states and 1619 transitions. [2022-11-25 22:30:33,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:30:33,120 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 71 [2022-11-25 22:30:33,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:33,126 INFO L225 Difference]: With dead ends: 1231 [2022-11-25 22:30:33,126 INFO L226 Difference]: Without dead ends: 1229 [2022-11-25 22:30:33,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:33,128 INFO L413 NwaCegarLoop]: 942 mSDtfsCounter, 1075 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1077 SdHoareTripleChecker+Valid, 1884 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:33,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1077 Valid, 1884 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 22:30:33,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1229 states. [2022-11-25 22:30:33,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1229 to 1229. [2022-11-25 22:30:33,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1229 states, 694 states have (on average 1.2377521613832854) internal successors, (859), 757 states have internal predecessors, (859), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-11-25 22:30:33,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1229 states and 1617 transitions. [2022-11-25 22:30:33,247 INFO L78 Accepts]: Start accepts. Automaton has 1229 states and 1617 transitions. Word has length 71 [2022-11-25 22:30:33,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:33,248 INFO L495 AbstractCegarLoop]: Abstraction has 1229 states and 1617 transitions. [2022-11-25 22:30:33,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-25 22:30:33,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1617 transitions. [2022-11-25 22:30:33,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-25 22:30:33,249 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:33,250 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:33,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 22:30:33,250 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:33,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:33,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1085979901, now seen corresponding path program 1 times [2022-11-25 22:30:33,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:33,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409237835] [2022-11-25 22:30:33,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:33,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:33,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:33,496 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:33,496 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:33,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [409237835] [2022-11-25 22:30:33,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [409237835] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:33,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:33,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:33,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671897478] [2022-11-25 22:30:33,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:33,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:33,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:33,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:33,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:33,500 INFO L87 Difference]: Start difference. First operand 1229 states and 1617 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 22:30:34,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:34,225 INFO L93 Difference]: Finished difference Result 1229 states and 1617 transitions. [2022-11-25 22:30:34,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:30:34,226 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 76 [2022-11-25 22:30:34,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:34,233 INFO L225 Difference]: With dead ends: 1229 [2022-11-25 22:30:34,233 INFO L226 Difference]: Without dead ends: 1227 [2022-11-25 22:30:34,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:34,234 INFO L413 NwaCegarLoop]: 940 mSDtfsCounter, 1072 mSDsluCounter, 940 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1074 SdHoareTripleChecker+Valid, 1880 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:34,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1074 Valid, 1880 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 22:30:34,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2022-11-25 22:30:34,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1227. [2022-11-25 22:30:34,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1227 states, 693 states have (on average 1.2366522366522366) internal successors, (857), 755 states have internal predecessors, (857), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-11-25 22:30:34,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1227 states to 1227 states and 1615 transitions. [2022-11-25 22:30:34,371 INFO L78 Accepts]: Start accepts. Automaton has 1227 states and 1615 transitions. Word has length 76 [2022-11-25 22:30:34,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:34,373 INFO L495 AbstractCegarLoop]: Abstraction has 1227 states and 1615 transitions. [2022-11-25 22:30:34,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 22:30:34,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1615 transitions. [2022-11-25 22:30:34,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-25 22:30:34,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:34,381 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:34,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 22:30:34,381 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:34,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:34,382 INFO L85 PathProgramCache]: Analyzing trace with hash -906964540, now seen corresponding path program 1 times [2022-11-25 22:30:34,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:34,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916850694] [2022-11-25 22:30:34,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:34,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:34,630 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:34,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:34,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916850694] [2022-11-25 22:30:34,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916850694] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:34,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:34,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:34,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859559667] [2022-11-25 22:30:34,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:34,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:34,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:34,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:34,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:34,634 INFO L87 Difference]: Start difference. First operand 1227 states and 1615 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 22:30:35,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:35,248 INFO L93 Difference]: Finished difference Result 1227 states and 1615 transitions. [2022-11-25 22:30:35,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:30:35,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 81 [2022-11-25 22:30:35,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:35,256 INFO L225 Difference]: With dead ends: 1227 [2022-11-25 22:30:35,256 INFO L226 Difference]: Without dead ends: 1225 [2022-11-25 22:30:35,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:35,258 INFO L413 NwaCegarLoop]: 938 mSDtfsCounter, 1069 mSDsluCounter, 938 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 1876 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:35,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 1876 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 22:30:35,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1225 states. [2022-11-25 22:30:35,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1225 to 1225. [2022-11-25 22:30:35,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1225 states, 692 states have (on average 1.2355491329479769) internal successors, (855), 753 states have internal predecessors, (855), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-11-25 22:30:35,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1225 states to 1225 states and 1613 transitions. [2022-11-25 22:30:35,399 INFO L78 Accepts]: Start accepts. Automaton has 1225 states and 1613 transitions. Word has length 81 [2022-11-25 22:30:35,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:35,400 INFO L495 AbstractCegarLoop]: Abstraction has 1225 states and 1613 transitions. [2022-11-25 22:30:35,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-25 22:30:35,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1225 states and 1613 transitions. [2022-11-25 22:30:35,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-25 22:30:35,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:35,402 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:35,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 22:30:35,402 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:35,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:35,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1978070447, now seen corresponding path program 1 times [2022-11-25 22:30:35,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:35,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469748842] [2022-11-25 22:30:35,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:35,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:35,764 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2022-11-25 22:30:35,764 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:35,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469748842] [2022-11-25 22:30:35,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469748842] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:35,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:35,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 22:30:35,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378693863] [2022-11-25 22:30:35,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:35,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:30:35,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:35,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:30:35,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:35,768 INFO L87 Difference]: Start difference. First operand 1225 states and 1613 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 22:30:37,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:37,089 INFO L93 Difference]: Finished difference Result 1367 states and 1768 transitions. [2022-11-25 22:30:37,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 22:30:37,089 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 89 [2022-11-25 22:30:37,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:37,096 INFO L225 Difference]: With dead ends: 1367 [2022-11-25 22:30:37,097 INFO L226 Difference]: Without dead ends: 1365 [2022-11-25 22:30:37,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 22:30:37,098 INFO L413 NwaCegarLoop]: 1037 mSDtfsCounter, 955 mSDsluCounter, 2302 mSDsCounter, 0 mSdLazyCounter, 583 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 3339 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 583 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:37,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 3339 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 583 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-25 22:30:37,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2022-11-25 22:30:37,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1353. [2022-11-25 22:30:37,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1353 states, 771 states have (on average 1.2347600518806745) internal successors, (952), 832 states have internal predecessors, (952), 404 states have call successors, (404), 156 states have call predecessors, (404), 154 states have return successors, (404), 389 states have call predecessors, (404), 402 states have call successors, (404) [2022-11-25 22:30:37,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1353 states and 1760 transitions. [2022-11-25 22:30:37,240 INFO L78 Accepts]: Start accepts. Automaton has 1353 states and 1760 transitions. Word has length 89 [2022-11-25 22:30:37,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:37,241 INFO L495 AbstractCegarLoop]: Abstraction has 1353 states and 1760 transitions. [2022-11-25 22:30:37,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-25 22:30:37,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1353 states and 1760 transitions. [2022-11-25 22:30:37,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-25 22:30:37,243 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:37,243 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:37,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-25 22:30:37,243 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:37,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:37,244 INFO L85 PathProgramCache]: Analyzing trace with hash -448272926, now seen corresponding path program 1 times [2022-11-25 22:30:37,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:37,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442362937] [2022-11-25 22:30:37,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:37,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:37,456 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:37,456 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:37,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442362937] [2022-11-25 22:30:37,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442362937] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:37,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:37,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:37,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679448963] [2022-11-25 22:30:37,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:37,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:37,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:37,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:37,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:37,459 INFO L87 Difference]: Start difference. First operand 1353 states and 1760 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 22:30:38,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:38,157 INFO L93 Difference]: Finished difference Result 1353 states and 1760 transitions. [2022-11-25 22:30:38,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:30:38,158 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 86 [2022-11-25 22:30:38,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:38,165 INFO L225 Difference]: With dead ends: 1353 [2022-11-25 22:30:38,166 INFO L226 Difference]: Without dead ends: 1351 [2022-11-25 22:30:38,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:38,167 INFO L413 NwaCegarLoop]: 936 mSDtfsCounter, 1070 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1072 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:38,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1072 Valid, 1868 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 22:30:38,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2022-11-25 22:30:38,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1351. [2022-11-25 22:30:38,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1351 states, 770 states have (on average 1.2337662337662338) internal successors, (950), 830 states have internal predecessors, (950), 404 states have call successors, (404), 156 states have call predecessors, (404), 154 states have return successors, (404), 389 states have call predecessors, (404), 402 states have call successors, (404) [2022-11-25 22:30:38,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1351 states and 1758 transitions. [2022-11-25 22:30:38,321 INFO L78 Accepts]: Start accepts. Automaton has 1351 states and 1758 transitions. Word has length 86 [2022-11-25 22:30:38,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:38,322 INFO L495 AbstractCegarLoop]: Abstraction has 1351 states and 1758 transitions. [2022-11-25 22:30:38,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 22:30:38,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1758 transitions. [2022-11-25 22:30:38,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-25 22:30:38,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:38,324 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:38,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-25 22:30:38,325 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:38,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:38,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1293418299, now seen corresponding path program 1 times [2022-11-25 22:30:38,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:38,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884027992] [2022-11-25 22:30:38,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:38,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:38,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:38,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884027992] [2022-11-25 22:30:38,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1884027992] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:38,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:38,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:38,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244606631] [2022-11-25 22:30:38,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:38,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:38,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:38,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:38,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:38,669 INFO L87 Difference]: Start difference. First operand 1351 states and 1758 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 22:30:39,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:39,508 INFO L93 Difference]: Finished difference Result 1351 states and 1758 transitions. [2022-11-25 22:30:39,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 22:30:39,509 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 88 [2022-11-25 22:30:39,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:39,516 INFO L225 Difference]: With dead ends: 1351 [2022-11-25 22:30:39,516 INFO L226 Difference]: Without dead ends: 1349 [2022-11-25 22:30:39,517 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:39,518 INFO L413 NwaCegarLoop]: 934 mSDtfsCounter, 1062 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 319 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1064 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 319 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 319 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:39,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1064 Valid, 1868 Invalid, 319 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 319 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-25 22:30:39,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1349 states. [2022-11-25 22:30:39,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1349 to 1349. [2022-11-25 22:30:39,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1349 states, 769 states have (on average 1.2327698309492847) internal successors, (948), 828 states have internal predecessors, (948), 404 states have call successors, (404), 156 states have call predecessors, (404), 154 states have return successors, (404), 389 states have call predecessors, (404), 402 states have call successors, (404) [2022-11-25 22:30:39,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1349 states and 1756 transitions. [2022-11-25 22:30:39,670 INFO L78 Accepts]: Start accepts. Automaton has 1349 states and 1756 transitions. Word has length 88 [2022-11-25 22:30:39,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:39,671 INFO L495 AbstractCegarLoop]: Abstraction has 1349 states and 1756 transitions. [2022-11-25 22:30:39,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-25 22:30:39,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1756 transitions. [2022-11-25 22:30:39,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-25 22:30:39,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:39,674 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:39,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-25 22:30:39,674 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting rcu_read_unlock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:39,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:39,675 INFO L85 PathProgramCache]: Analyzing trace with hash -852140892, now seen corresponding path program 1 times [2022-11-25 22:30:39,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:39,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844347278] [2022-11-25 22:30:39,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:39,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:39,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:39,978 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2022-11-25 22:30:39,979 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:39,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844347278] [2022-11-25 22:30:39,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844347278] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:30:39,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326627611] [2022-11-25 22:30:39,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:39,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:30:39,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:30:39,986 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:30:40,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-25 22:30:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:40,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-25 22:30:40,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:30:40,654 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2022-11-25 22:30:40,655 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 22:30:40,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326627611] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:40,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-25 22:30:40,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2022-11-25 22:30:40,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519129171] [2022-11-25 22:30:40,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:40,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 22:30:40,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:40,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 22:30:40,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 22:30:40,657 INFO L87 Difference]: Start difference. First operand 1349 states and 1756 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-25 22:30:41,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:41,749 INFO L93 Difference]: Finished difference Result 2620 states and 3396 transitions. [2022-11-25 22:30:41,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:30:41,750 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 103 [2022-11-25 22:30:41,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:41,757 INFO L225 Difference]: With dead ends: 2620 [2022-11-25 22:30:41,758 INFO L226 Difference]: Without dead ends: 1392 [2022-11-25 22:30:41,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-25 22:30:41,762 INFO L413 NwaCegarLoop]: 965 mSDtfsCounter, 215 mSDsluCounter, 2566 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 3531 SdHoareTripleChecker+Invalid, 721 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:41,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 3531 Invalid, 721 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 22:30:41,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2022-11-25 22:30:41,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1355. [2022-11-25 22:30:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1355 states, 773 states have (on average 1.2315653298835705) internal successors, (952), 832 states have internal predecessors, (952), 406 states have call successors, (406), 156 states have call predecessors, (406), 154 states have return successors, (406), 391 states have call predecessors, (406), 404 states have call successors, (406) [2022-11-25 22:30:41,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1355 states to 1355 states and 1764 transitions. [2022-11-25 22:30:41,934 INFO L78 Accepts]: Start accepts. Automaton has 1355 states and 1764 transitions. Word has length 103 [2022-11-25 22:30:41,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:41,935 INFO L495 AbstractCegarLoop]: Abstraction has 1355 states and 1764 transitions. [2022-11-25 22:30:41,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-25 22:30:41,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1764 transitions. [2022-11-25 22:30:41,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-25 22:30:41,937 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:41,937 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:41,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-25 22:30:42,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:30:42,146 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:42,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:42,146 INFO L85 PathProgramCache]: Analyzing trace with hash -2070730634, now seen corresponding path program 1 times [2022-11-25 22:30:42,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:42,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423121545] [2022-11-25 22:30:42,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:42,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:42,339 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:42,339 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:42,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1423121545] [2022-11-25 22:30:42,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1423121545] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:42,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:42,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:42,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748021041] [2022-11-25 22:30:42,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:42,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:42,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:42,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:42,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:42,342 INFO L87 Difference]: Start difference. First operand 1355 states and 1764 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 22:30:43,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:43,574 INFO L93 Difference]: Finished difference Result 2048 states and 2599 transitions. [2022-11-25 22:30:43,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:30:43,575 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 93 [2022-11-25 22:30:43,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:43,585 INFO L225 Difference]: With dead ends: 2048 [2022-11-25 22:30:43,585 INFO L226 Difference]: Without dead ends: 2046 [2022-11-25 22:30:43,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:43,589 INFO L413 NwaCegarLoop]: 1082 mSDtfsCounter, 1061 mSDsluCounter, 1656 mSDsCounter, 0 mSdLazyCounter, 442 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 2738 SdHoareTripleChecker+Invalid, 443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 442 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:43,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 2738 Invalid, 443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 442 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 22:30:43,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2022-11-25 22:30:43,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 2000. [2022-11-25 22:30:43,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2000 states, 1160 states have (on average 1.2327586206896552) internal successors, (1430), 1228 states have internal predecessors, (1430), 571 states have call successors, (571), 249 states have call predecessors, (571), 247 states have return successors, (571), 554 states have call predecessors, (571), 569 states have call successors, (571) [2022-11-25 22:30:43,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 2000 states and 2572 transitions. [2022-11-25 22:30:43,860 INFO L78 Accepts]: Start accepts. Automaton has 2000 states and 2572 transitions. Word has length 93 [2022-11-25 22:30:43,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:43,860 INFO L495 AbstractCegarLoop]: Abstraction has 2000 states and 2572 transitions. [2022-11-25 22:30:43,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-25 22:30:43,862 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2572 transitions. [2022-11-25 22:30:43,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-25 22:30:43,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:43,864 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:43,864 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-25 22:30:43,864 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:43,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:43,865 INFO L85 PathProgramCache]: Analyzing trace with hash 1204929798, now seen corresponding path program 1 times [2022-11-25 22:30:43,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:43,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691283556] [2022-11-25 22:30:43,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:43,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:43,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:44,089 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-25 22:30:44,089 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:44,089 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691283556] [2022-11-25 22:30:44,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691283556] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:44,090 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:44,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:44,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024816602] [2022-11-25 22:30:44,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:44,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:44,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:44,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:44,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:44,092 INFO L87 Difference]: Start difference. First operand 2000 states and 2572 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 22:30:45,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:45,385 INFO L93 Difference]: Finished difference Result 2851 states and 3610 transitions. [2022-11-25 22:30:45,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:30:45,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 98 [2022-11-25 22:30:45,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:45,400 INFO L225 Difference]: With dead ends: 2851 [2022-11-25 22:30:45,401 INFO L226 Difference]: Without dead ends: 2849 [2022-11-25 22:30:45,403 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:45,403 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 668 mSDsluCounter, 1870 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 670 SdHoareTripleChecker+Valid, 2928 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:45,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [670 Valid, 2928 Invalid, 470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-25 22:30:45,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2849 states. [2022-11-25 22:30:45,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2849 to 2736. [2022-11-25 22:30:45,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2736 states, 1579 states have (on average 1.2222925902469917) internal successors, (1930), 1669 states have internal predecessors, (1930), 784 states have call successors, (784), 354 states have call predecessors, (784), 351 states have return successors, (784), 757 states have call predecessors, (784), 782 states have call successors, (784) [2022-11-25 22:30:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2736 states and 3498 transitions. [2022-11-25 22:30:45,762 INFO L78 Accepts]: Start accepts. Automaton has 2736 states and 3498 transitions. Word has length 98 [2022-11-25 22:30:45,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:45,763 INFO L495 AbstractCegarLoop]: Abstraction has 2736 states and 3498 transitions. [2022-11-25 22:30:45,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 22:30:45,763 INFO L276 IsEmpty]: Start isEmpty. Operand 2736 states and 3498 transitions. [2022-11-25 22:30:45,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-25 22:30:45,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:45,765 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:45,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-25 22:30:45,766 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:45,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:45,766 INFO L85 PathProgramCache]: Analyzing trace with hash -885688091, now seen corresponding path program 1 times [2022-11-25 22:30:45,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:45,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873193769] [2022-11-25 22:30:45,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:45,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-25 22:30:45,933 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:45,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873193769] [2022-11-25 22:30:45,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873193769] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:45,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:45,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 22:30:45,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560316581] [2022-11-25 22:30:45,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:45,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 22:30:45,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:45,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 22:30:45,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 22:30:45,937 INFO L87 Difference]: Start difference. First operand 2736 states and 3498 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-25 22:30:46,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:46,740 INFO L93 Difference]: Finished difference Result 4815 states and 6130 transitions. [2022-11-25 22:30:46,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 22:30:46,741 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 108 [2022-11-25 22:30:46,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:46,755 INFO L225 Difference]: With dead ends: 4815 [2022-11-25 22:30:46,756 INFO L226 Difference]: Without dead ends: 2741 [2022-11-25 22:30:46,765 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 [2022-11-25 22:30:46,765 INFO L413 NwaCegarLoop]: 936 mSDtfsCounter, 5 mSDsluCounter, 932 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:46,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1868 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-25 22:30:46,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2741 states. [2022-11-25 22:30:47,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2741 to 2737. [2022-11-25 22:30:47,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 1580 states have (on average 1.2221518987341773) internal successors, (1931), 1670 states have internal predecessors, (1931), 784 states have call successors, (784), 354 states have call predecessors, (784), 351 states have return successors, (784), 757 states have call predecessors, (784), 782 states have call successors, (784) [2022-11-25 22:30:47,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3499 transitions. [2022-11-25 22:30:47,124 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3499 transitions. Word has length 108 [2022-11-25 22:30:47,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:47,125 INFO L495 AbstractCegarLoop]: Abstraction has 2737 states and 3499 transitions. [2022-11-25 22:30:47,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-25 22:30:47,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3499 transitions. [2022-11-25 22:30:47,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 22:30:47,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:47,127 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:47,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-25 22:30:47,128 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:47,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:47,128 INFO L85 PathProgramCache]: Analyzing trace with hash -483284545, now seen corresponding path program 1 times [2022-11-25 22:30:47,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:47,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2077261588] [2022-11-25 22:30:47,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:47,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:47,396 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-25 22:30:47,397 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:47,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2077261588] [2022-11-25 22:30:47,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2077261588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 22:30:47,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 22:30:47,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 22:30:47,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302335954] [2022-11-25 22:30:47,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 22:30:47,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 22:30:47,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 22:30:47,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 22:30:47,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 22:30:47,399 INFO L87 Difference]: Start difference. First operand 2737 states and 3499 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 22:30:48,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 22:30:48,671 INFO L93 Difference]: Finished difference Result 2783 states and 3532 transitions. [2022-11-25 22:30:48,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 22:30:48,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 110 [2022-11-25 22:30:48,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 22:30:48,685 INFO L225 Difference]: With dead ends: 2783 [2022-11-25 22:30:48,685 INFO L226 Difference]: Without dead ends: 2781 [2022-11-25 22:30:48,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 22:30:48,687 INFO L413 NwaCegarLoop]: 1058 mSDtfsCounter, 696 mSDsluCounter, 1861 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 698 SdHoareTripleChecker+Valid, 2919 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 22:30:48,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [698 Valid, 2919 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 22:30:48,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2781 states. [2022-11-25 22:30:48,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2781 to 2737. [2022-11-25 22:30:48,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 1580 states have (on average 1.220253164556962) internal successors, (1928), 1670 states have internal predecessors, (1928), 784 states have call successors, (784), 354 states have call predecessors, (784), 351 states have return successors, (784), 757 states have call predecessors, (784), 782 states have call successors, (784) [2022-11-25 22:30:49,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3496 transitions. [2022-11-25 22:30:49,002 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3496 transitions. Word has length 110 [2022-11-25 22:30:49,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 22:30:49,002 INFO L495 AbstractCegarLoop]: Abstraction has 2737 states and 3496 transitions. [2022-11-25 22:30:49,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-25 22:30:49,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3496 transitions. [2022-11-25 22:30:49,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-25 22:30:49,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 22:30:49,005 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 22:30:49,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-25 22:30:49,005 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-11-25 22:30:49,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 22:30:49,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1371208030, now seen corresponding path program 1 times [2022-11-25 22:30:49,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 22:30:49,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277125655] [2022-11-25 22:30:49,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:49,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 22:30:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:49,166 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-25 22:30:49,166 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 22:30:49,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277125655] [2022-11-25 22:30:49,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277125655] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-25 22:30:49,167 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [625408932] [2022-11-25 22:30:49,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 22:30:49,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-25 22:30:49,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 22:30:49,170 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-25 22:30:49,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8f2d7a29-b231-449c-bce4-cf9ed974b45b/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-25 22:30:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 22:30:49,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 1273 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-25 22:30:49,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 22:30:49,873 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-25 22:30:49,874 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 22:30:50,022 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-25 22:30:50,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [625408932] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 22:30:50,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1203760910] [2022-11-25 22:30:50,045 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2022-11-25 22:30:50,045 INFO L166 IcfgInterpreter]: Building call graph [2022-11-25 22:30:50,049 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-25 22:30:50,054 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-25 22:30:50,054 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-25 22:31:03,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2022-11-25 22:31:03,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-25 22:31:11,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,486 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:11,488 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:11,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,491 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:11,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,506 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:11,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,513 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:11,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,516 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:11,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:11,521 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:11,796 INFO L321 Elim1Store]: treesize reduction 84, result has 48.1 percent of original size [2022-11-25 22:31:11,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 57 select indices, 57 select index equivalence classes, 515 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 7 case distinctions, treesize of input 3861 treesize of output 3728 [2022-11-25 22:31:12,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:12,458 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:12,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,462 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:12,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,479 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:12,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:12,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,490 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:12,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:12,494 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:12,723 INFO L321 Elim1Store]: treesize reduction 96, result has 40.7 percent of original size [2022-11-25 22:31:12,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 57 select indices, 57 select index equivalence classes, 515 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 7 case distinctions, treesize of input 3805 treesize of output 3660 [2022-11-25 22:31:13,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,469 INFO L217 Elim1Store]: Index analysis took 142 ms [2022-11-25 22:31:13,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,496 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:13,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,500 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:13,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,505 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:13,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,511 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:13,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-25 22:31:13,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-25 22:31:13,688 INFO L321 Elim1Store]: treesize reduction 112, result has 41.1 percent of original size [2022-11-25 22:31:13,690 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 51 select indices, 51 select index equivalence classes, 331 disjoint index pairs (out of 1275 index pairs), introduced 51 new quantified variables, introduced 7 case distinctions, treesize of input 3777 treesize of output 3659 [2022-11-25 22:35:39,589 WARN L233 SmtUtils]: Spent 10.35s on a formula simplification that was a NOOP. DAG size: 1046 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-25 22:41:27,648 WARN L233 SmtUtils]: Spent 23.78s on a formula simplification. DAG size of input: 1202 DAG size of output: 1202 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)