./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 07:01:03,690 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:01:03,692 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:01:03,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:01:03,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:01:03,711 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:01:03,712 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:01:03,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:01:03,715 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:01:03,716 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:01:03,717 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:01:03,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:01:03,718 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:01:03,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:01:03,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:01:03,721 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:01:03,722 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:01:03,723 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:01:03,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:01:03,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:01:03,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:01:03,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:01:03,729 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:01:03,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:01:03,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:01:03,733 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:01:03,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:01:03,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:01:03,735 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:01:03,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:01:03,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:01:03,736 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:01:03,737 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:01:03,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:01:03,738 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:01:03,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:01:03,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:01:03,739 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:01:03,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:01:03,740 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:01:03,741 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:01:03,742 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 07:01:03,762 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:01:03,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:01:03,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:01:03,762 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:01:03,763 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:01:03,769 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:01:03,769 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:01:03,769 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:01:03,769 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:01:03,769 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:01:03,769 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:01:03,770 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:01:03,770 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:01:03,770 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:01:03,770 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:01:03,770 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:01:03,770 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:01:03,770 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:01:03,771 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:01:03,771 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:01:03,771 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:01:03,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:01:03,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:01:03,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:01:03,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:01:03,772 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:01:03,772 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:01:03,772 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:01:03,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:01:03,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:01:03,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:01:03,772 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:01:03,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:01:03,773 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:01:03,773 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:01:03,773 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:01:03,773 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:01:03,773 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:01:03,773 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_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2022-12-14 07:01:03,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:01:03,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:01:03,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:01:03,956 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:01:03,957 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:01:03,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-12-14 07:01:06,495 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:01:06,900 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:01:06,900 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-12-14 07:01:06,930 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/bin/utaipan-gh47qXpMRh/data/7b8e30084/3c1e8b2f8d054988a8d5079775e675df/FLAGde514997a [2022-12-14 07:01:07,054 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/bin/utaipan-gh47qXpMRh/data/7b8e30084/3c1e8b2f8d054988a8d5079775e675df [2022-12-14 07:01:07,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:01:07,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:01:07,057 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:01:07,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:01:07,060 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:01:07,061 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:01:07" (1/1) ... [2022-12-14 07:01:07,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179ee6e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:07, skipping insertion in model container [2022-12-14 07:01:07,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:01:07" (1/1) ... [2022-12-14 07:01:07,067 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:01:07,219 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:01:07,845 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 07:01:07,854 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 07:01:07,924 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 07:01:07,931 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 07:01:07,963 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:08,120 WARN L623 FunctionHandler]: Unknown extern function __ieee80211_get_channel [2022-12-14 07:01:08,137 WARN L623 FunctionHandler]: Unknown extern function cfg80211_inform_bss_width [2022-12-14 07:01:08,367 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 07:01:08,368 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,370 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,372 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,373 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:08,380 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 07:01:08,382 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,383 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,384 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:08,390 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 07:01:08,397 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,398 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,402 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,402 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:08,431 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:08,433 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,437 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:08,462 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,462 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:01:08,462 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 07:01:08,469 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,470 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:08,476 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,482 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,483 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:08,485 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,486 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:08,491 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,497 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,511 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,513 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,514 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,520 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,526 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,527 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:08,528 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:08,534 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,536 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,537 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,538 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,540 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,541 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,544 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,552 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,564 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,566 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:08,573 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:08,574 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,574 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:08,575 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,586 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,586 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:08,592 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,592 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:08,598 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,600 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:08,606 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,606 WARN L623 FunctionHandler]: Unknown extern function krealloc [2022-12-14 07:01:08,607 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:08,610 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,611 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,613 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,619 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,621 WARN L623 FunctionHandler]: Unknown extern function cfg80211_put_bss [2022-12-14 07:01:08,632 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,633 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:08,634 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,635 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,636 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:08,641 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,642 WARN L623 FunctionHandler]: Unknown extern function cfg80211_scan_done [2022-12-14 07:01:08,643 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 07:01:08,644 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 07:01:08,645 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 07:01:08,645 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,646 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,647 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,648 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,649 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,650 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,652 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,653 WARN L623 FunctionHandler]: Unknown extern function usbnet_pause_rx [2022-12-14 07:01:08,653 WARN L623 FunctionHandler]: Unknown extern function usbnet_purge_paused_rxq [2022-12-14 07:01:08,653 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,655 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,656 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 07:01:08,657 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,658 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,659 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,660 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,660 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,662 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,662 WARN L623 FunctionHandler]: Unknown extern function usbnet_purge_paused_rxq [2022-12-14 07:01:08,663 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume_rx [2022-12-14 07:01:08,663 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,665 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,666 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,668 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,669 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,670 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,679 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,682 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,684 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,685 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,687 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,693 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,694 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:08,694 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,695 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,696 WARN L623 FunctionHandler]: Unknown extern function cfg80211_put_bss [2022-12-14 07:01:08,703 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:08,704 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:01:08,704 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,705 WARN L623 FunctionHandler]: Unknown extern function cfg80211_connect_result [2022-12-14 07:01:08,706 WARN L623 FunctionHandler]: Unknown extern function cfg80211_roamed [2022-12-14 07:01:08,706 WARN L623 FunctionHandler]: Unknown extern function cfg80211_ibss_joined [2022-12-14 07:01:08,706 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:08,707 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume_rx [2022-12-14 07:01:08,707 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 07:01:08,711 WARN L623 FunctionHandler]: Unknown extern function cfg80211_disconnected [2022-12-14 07:01:08,712 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:01:08,726 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:08,728 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:08,728 WARN L623 FunctionHandler]: Unknown extern function cfg80211_michael_mic_failure [2022-12-14 07:01:08,728 WARN L623 FunctionHandler]: Unknown extern function cfg80211_michael_mic_failure [2022-12-14 07:01:08,734 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:08,734 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:08,734 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:08,735 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,736 WARN L623 FunctionHandler]: Unknown extern function cfg80211_pmksa_candidate_notify [2022-12-14 07:01:08,741 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:08,741 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:08,742 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:08,742 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:08,742 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:08,748 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,748 WARN L623 FunctionHandler]: Unknown extern function usbnet_pause_rx [2022-12-14 07:01:08,748 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:08,749 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:08,749 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:08,756 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,762 WARN L623 FunctionHandler]: Unknown extern function cfg80211_cqm_rssi_notify [2022-12-14 07:01:08,768 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,768 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 07:01:08,769 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:08,769 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 07:01:08,769 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 07:01:08,791 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 07:01:08,792 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 07:01:08,792 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 07:01:08,793 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 07:01:08,798 WARN L623 FunctionHandler]: Unknown extern function wiphy_new [2022-12-14 07:01:08,799 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 07:01:08,799 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 07:01:08,800 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:01:08,800 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:01:08,800 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:01:08,800 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:01:08,801 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 07:01:08,801 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:01:08,814 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:01:08,815 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 07:01:08,815 WARN L623 FunctionHandler]: Unknown extern function generic_rndis_bind [2022-12-14 07:01:08,817 WARN L623 FunctionHandler]: Unknown extern function wiphy_register [2022-12-14 07:01:08,817 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:01:08,818 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 07:01:08,818 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 07:01:08,818 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 07:01:08,818 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 07:01:08,818 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 07:01:08,818 WARN L623 FunctionHandler]: Unknown extern function wiphy_free [2022-12-14 07:01:08,823 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 07:01:08,823 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 07:01:08,823 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 07:01:08,823 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 07:01:08,824 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 07:01:08,824 WARN L623 FunctionHandler]: Unknown extern function rndis_unbind [2022-12-14 07:01:08,824 WARN L623 FunctionHandler]: Unknown extern function wiphy_unregister [2022-12-14 07:01:08,824 WARN L623 FunctionHandler]: Unknown extern function wiphy_free [2022-12-14 07:01:08,829 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,829 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:08,830 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 07:01:08,835 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:08,835 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 07:01:08,835 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 07:01:08,835 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 07:01:08,835 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 07:01:08,836 WARN L623 FunctionHandler]: Unknown extern function cfg80211_scan_done [2022-12-14 07:01:09,261 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,261 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,261 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,262 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,262 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,262 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,262 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,262 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,262 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,262 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,262 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,262 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,263 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,263 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,263 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,263 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,263 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,263 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,263 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,263 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,264 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,264 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,264 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,264 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,264 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,264 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,264 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,264 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,264 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,265 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,265 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,265 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,265 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,265 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,265 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,265 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,267 WARN L623 FunctionHandler]: Unknown extern function usbnet_stop [2022-12-14 07:01:09,267 WARN L623 FunctionHandler]: Unknown extern function usbnet_tx_timeout [2022-12-14 07:01:09,267 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 07:01:09,267 WARN L623 FunctionHandler]: Unknown extern function usbnet_open [2022-12-14 07:01:09,268 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 07:01:09,268 WARN L623 FunctionHandler]: Unknown extern function usbnet_start_xmit [2022-12-14 07:01:09,275 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 07:01:09,275 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 07:01:09,275 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 07:01:09,276 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 07:01:09,276 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 07:01:09,276 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 07:01:09,277 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 07:01:09,277 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 07:01:09,278 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 07:01:09,299 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 07:01:09,300 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 07:01:09,302 WARN L623 FunctionHandler]: Unknown extern function usbnet_probe [2022-12-14 07:01:09,303 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-14 07:01:09,303 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-14 07:01:09,303 WARN L623 FunctionHandler]: Unknown extern function usbnet_suspend [2022-12-14 07:01:09,304 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-14 07:01:09,307 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 07:01:09,309 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 07:01:09,310 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 07:01:09,360 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 07:01:09,360 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:01:09,371 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 07:01:09,570 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_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2022-12-14 07:01:09,573 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_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2022-12-14 07:01:09,574 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_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2022-12-14 07:01:09,574 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_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2022-12-14 07:01:09,574 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,575 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,580 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,581 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,582 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,583 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:01:09,611 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:01:09,702 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 07:01:09,703 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 07:01:09,703 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 07:01:09,704 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 07:01:09,704 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,709 WARN L623 FunctionHandler]: Unknown extern function __ieee80211_get_channel [2022-12-14 07:01:09,709 WARN L623 FunctionHandler]: Unknown extern function cfg80211_inform_bss_width [2022-12-14 07:01:09,717 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 07:01:09,718 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,720 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,721 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,722 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:09,724 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 07:01:09,725 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,726 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,727 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:09,728 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 07:01:09,730 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,731 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,733 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,733 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:09,735 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:09,736 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,736 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:09,740 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,741 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 07:01:09,741 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 07:01:09,743 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,744 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:09,745 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,747 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:09,748 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,749 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:09,750 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,751 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,753 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,754 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,755 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,756 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,758 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,759 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:09,760 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:09,762 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,763 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,764 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,765 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,766 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,767 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,769 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,773 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,776 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,778 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:09,780 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:09,781 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,782 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:09,782 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,784 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,785 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:09,786 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,786 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:09,788 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,790 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:09,792 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,792 WARN L623 FunctionHandler]: Unknown extern function krealloc [2022-12-14 07:01:09,793 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:09,796 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,798 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,803 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,816 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,818 WARN L623 FunctionHandler]: Unknown extern function cfg80211_put_bss [2022-12-14 07:01:09,822 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,823 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:09,824 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,826 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,826 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:09,828 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,828 WARN L623 FunctionHandler]: Unknown extern function cfg80211_scan_done [2022-12-14 07:01:09,830 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 07:01:09,831 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 07:01:09,832 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 07:01:09,833 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,834 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,835 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,836 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,838 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,839 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,841 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,842 WARN L623 FunctionHandler]: Unknown extern function usbnet_pause_rx [2022-12-14 07:01:09,842 WARN L623 FunctionHandler]: Unknown extern function usbnet_purge_paused_rxq [2022-12-14 07:01:09,843 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,845 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,847 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 07:01:09,848 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,849 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,850 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,851 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,852 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,854 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,855 WARN L623 FunctionHandler]: Unknown extern function usbnet_purge_paused_rxq [2022-12-14 07:01:09,855 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume_rx [2022-12-14 07:01:09,856 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,858 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,859 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,862 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,863 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,865 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,872 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,875 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,877 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,879 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,881 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,883 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,884 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:09,886 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,887 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,888 WARN L623 FunctionHandler]: Unknown extern function cfg80211_put_bss [2022-12-14 07:01:09,892 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:09,893 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:01:09,894 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,895 WARN L623 FunctionHandler]: Unknown extern function cfg80211_connect_result [2022-12-14 07:01:09,895 WARN L623 FunctionHandler]: Unknown extern function cfg80211_roamed [2022-12-14 07:01:09,896 WARN L623 FunctionHandler]: Unknown extern function cfg80211_ibss_joined [2022-12-14 07:01:09,896 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:09,897 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume_rx [2022-12-14 07:01:09,897 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 07:01:09,898 WARN L623 FunctionHandler]: Unknown extern function cfg80211_disconnected [2022-12-14 07:01:09,898 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:01:09,900 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:09,902 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:09,902 WARN L623 FunctionHandler]: Unknown extern function cfg80211_michael_mic_failure [2022-12-14 07:01:09,903 WARN L623 FunctionHandler]: Unknown extern function cfg80211_michael_mic_failure [2022-12-14 07:01:09,904 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:09,905 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:09,905 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:09,906 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,907 WARN L623 FunctionHandler]: Unknown extern function cfg80211_pmksa_candidate_notify [2022-12-14 07:01:09,908 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:09,908 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:09,909 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:09,909 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:09,910 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:09,912 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,912 WARN L623 FunctionHandler]: Unknown extern function usbnet_pause_rx [2022-12-14 07:01:09,912 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:09,913 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:09,913 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 07:01:09,917 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,919 WARN L623 FunctionHandler]: Unknown extern function cfg80211_cqm_rssi_notify [2022-12-14 07:01:09,921 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,922 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 07:01:09,923 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:01:09,923 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 07:01:09,923 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 07:01:09,929 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 07:01:09,929 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 07:01:09,930 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 07:01:09,930 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 07:01:09,932 WARN L623 FunctionHandler]: Unknown extern function wiphy_new [2022-12-14 07:01:09,936 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 07:01:09,937 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 07:01:09,937 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:01:09,938 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:01:09,938 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:01:09,938 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:01:09,939 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 07:01:09,939 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 07:01:09,940 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 07:01:09,940 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 07:01:09,941 WARN L623 FunctionHandler]: Unknown extern function generic_rndis_bind [2022-12-14 07:01:09,943 WARN L623 FunctionHandler]: Unknown extern function wiphy_register [2022-12-14 07:01:09,944 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 07:01:09,944 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 07:01:09,944 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 07:01:09,944 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 07:01:09,945 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 07:01:09,945 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 07:01:09,945 WARN L623 FunctionHandler]: Unknown extern function wiphy_free [2022-12-14 07:01:09,946 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 07:01:09,946 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 07:01:09,946 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 07:01:09,946 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 07:01:09,947 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 07:01:09,947 WARN L623 FunctionHandler]: Unknown extern function rndis_unbind [2022-12-14 07:01:09,947 WARN L623 FunctionHandler]: Unknown extern function wiphy_unregister [2022-12-14 07:01:09,947 WARN L623 FunctionHandler]: Unknown extern function wiphy_free [2022-12-14 07:01:09,949 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,949 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 07:01:09,949 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 07:01:09,951 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 07:01:09,951 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 07:01:09,952 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 07:01:09,952 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 07:01:09,952 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 07:01:09,952 WARN L623 FunctionHandler]: Unknown extern function cfg80211_scan_done [2022-12-14 07:01:09,963 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,963 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,963 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,963 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,964 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,964 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,964 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,964 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,964 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,964 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,965 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,965 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,965 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,965 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,965 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,965 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,965 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,966 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,966 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,966 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,966 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,966 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,966 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,967 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,967 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,967 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,967 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,967 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,967 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,968 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,968 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,968 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,968 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,968 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,968 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,968 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:09,969 WARN L623 FunctionHandler]: Unknown extern function usbnet_stop [2022-12-14 07:01:09,970 WARN L623 FunctionHandler]: Unknown extern function usbnet_tx_timeout [2022-12-14 07:01:09,970 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 07:01:09,970 WARN L623 FunctionHandler]: Unknown extern function usbnet_open [2022-12-14 07:01:09,970 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 07:01:09,971 WARN L623 FunctionHandler]: Unknown extern function usbnet_start_xmit [2022-12-14 07:01:09,976 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 07:01:09,976 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 07:01:09,976 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 07:01:09,977 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 07:01:09,977 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 07:01:09,978 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 07:01:09,978 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 07:01:09,978 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 07:01:09,979 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 07:01:09,994 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 07:01:09,994 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 07:01:09,995 WARN L623 FunctionHandler]: Unknown extern function usbnet_probe [2022-12-14 07:01:09,995 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-14 07:01:09,996 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-14 07:01:09,996 WARN L623 FunctionHandler]: Unknown extern function usbnet_suspend [2022-12-14 07:01:09,996 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-14 07:01:09,998 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 07:01:09,999 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 07:01:09,999 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 07:01:10,001 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 07:01:10,001 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:01:10,001 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 07:01:10,008 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_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2022-12-14 07:01:10,008 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_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2022-12-14 07:01:10,008 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_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2022-12-14 07:01:10,008 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_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2022-12-14 07:01:10,009 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:10,009 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:10,009 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:10,010 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:10,022 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:10,023 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 07:01:10,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:01:10,146 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:01:10,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:10 WrapperNode [2022-12-14 07:01:10,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:01:10,148 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:01:10,148 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:01:10,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:01:10,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:10" (1/1) ... [2022-12-14 07:01:10,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:10" (1/1) ... [2022-12-14 07:01:10,369 INFO L138 Inliner]: procedures = 410, calls = 4574, calls flagged for inlining = 226, calls inlined = 200, statements flattened = 9344 [2022-12-14 07:01:10,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:01:10,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:01:10,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:01:10,370 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:01:10,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:10" (1/1) ... [2022-12-14 07:01:10,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:10" (1/1) ... [2022-12-14 07:01:10,410 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:10" (1/1) ... [2022-12-14 07:01:10,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:10" (1/1) ... [2022-12-14 07:01:10,576 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:10" (1/1) ... [2022-12-14 07:01:10,598 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:10" (1/1) ... [2022-12-14 07:01:10,647 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:10" (1/1) ... [2022-12-14 07:01:10,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:10" (1/1) ... [2022-12-14 07:01:10,714 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:01:10,715 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:01:10,715 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:01:10,715 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:01:10,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:10" (1/1) ... [2022-12-14 07:01:10,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:01:10,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:01:10,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:01:10,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_182327c5-4ba1-4da1-8b3f-ae09ccc3ea9f/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:01:10,777 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-12-14 07:01:10,777 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-12-14 07:01:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-12-14 07:01:10,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-12-14 07:01:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-12-14 07:01:10,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-12-14 07:01:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-12-14 07:01:10,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-12-14 07:01:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 07:01:10,778 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 07:01:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-12-14 07:01:10,778 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-12-14 07:01:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-12-14 07:01:10,778 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-12-14 07:01:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 07:01:10,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 07:01:10,778 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-12-14 07:01:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-12-14 07:01:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-12-14 07:01:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-12-14 07:01:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-12-14 07:01:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-12-14 07:01:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-12-14 07:01:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-12-14 07:01:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-12-14 07:01:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-12-14 07:01:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-12-14 07:01:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-12-14 07:01:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-12-14 07:01:10,779 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-12-14 07:01:10,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 07:01:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 07:01:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-12-14 07:01:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-12-14 07:01:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 07:01:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 07:01:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 07:01:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 07:01:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 07:01:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 07:01:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:01:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-12-14 07:01:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-12-14 07:01:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-12-14 07:01:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-12-14 07:01:10,780 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-12-14 07:01:10,780 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-12-14 07:01:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-12-14 07:01:10,781 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-12-14 07:01:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 07:01:10,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 07:01:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-12-14 07:01:10,781 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-12-14 07:01:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-12-14 07:01:10,781 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-12-14 07:01:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-12-14 07:01:10,781 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-12-14 07:01:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-12-14 07:01:10,781 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-12-14 07:01:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 07:01:10,781 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-12-14 07:01:10,781 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-12-14 07:01:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-12-14 07:01:10,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-12-14 07:01:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 07:01:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 07:01:10,782 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 07:01:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-12-14 07:01:10,782 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-12-14 07:01:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-12-14 07:01:10,782 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-12-14 07:01:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:01:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-12-14 07:01:10,782 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-12-14 07:01:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 07:01:10,782 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 07:01:10,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 07:01:10,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 07:01:10,783 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-12-14 07:01:10,783 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-12-14 07:01:10,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-12-14 07:01:10,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-12-14 07:01:10,783 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-12-14 07:01:10,783 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-12-14 07:01:10,783 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-12-14 07:01:10,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-12-14 07:01:10,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:01:10,783 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-12-14 07:01:10,783 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-12-14 07:01:10,783 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-12-14 07:01:10,783 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-12-14 07:01:10,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 07:01:10,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 07:01:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-12-14 07:01:10,784 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-12-14 07:01:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 07:01:10,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 07:01:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:01:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-12-14 07:01:10,784 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-12-14 07:01:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 07:01:10,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 07:01:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-12-14 07:01:10,784 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-12-14 07:01:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:01:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-12-14 07:01:10,784 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-12-14 07:01:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-12-14 07:01:10,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-12-14 07:01:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 07:01:10,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 07:01:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-12-14 07:01:10,785 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-12-14 07:01:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-12-14 07:01:10,785 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-12-14 07:01:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-14 07:01:10,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-14 07:01:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-12-14 07:01:10,785 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-12-14 07:01:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-12-14 07:01:10,785 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-12-14 07:01:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 07:01:10,786 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 07:01:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:01:10,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:01:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 07:01:10,786 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 07:01:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-14 07:01:10,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-14 07:01:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 07:01:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 07:01:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 07:01:10,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 07:01:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-12-14 07:01:10,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-12-14 07:01:10,786 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-12-14 07:01:10,786 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-12-14 07:01:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-12-14 07:01:10,808 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-12-14 07:01:10,808 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 07:01:10,808 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 07:01:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-12-14 07:01:10,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-12-14 07:01:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-12-14 07:01:10,809 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-12-14 07:01:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-12-14 07:01:10,809 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-12-14 07:01:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-12-14 07:01:10,809 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-12-14 07:01:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-12-14 07:01:10,809 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-12-14 07:01:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-12-14 07:01:10,809 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-12-14 07:01:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:01:10,809 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:01:10,809 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 07:01:10,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 07:01:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-12-14 07:01:10,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-12-14 07:01:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:01:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 07:01:10,810 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 07:01:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-12-14 07:01:10,810 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-12-14 07:01:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:01:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-12-14 07:01:10,810 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-12-14 07:01:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-12-14 07:01:10,810 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-12-14 07:01:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-12-14 07:01:10,810 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-12-14 07:01:10,810 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-12-14 07:01:10,811 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-12-14 07:01:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 07:01:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-12-14 07:01:10,811 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-12-14 07:01:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 07:01:10,811 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 07:01:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-12-14 07:01:10,811 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-12-14 07:01:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 07:01:10,811 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 07:01:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-12-14 07:01:10,811 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-12-14 07:01:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 07:01:10,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 07:01:10,811 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 07:01:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 07:01:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-12-14 07:01:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-12-14 07:01:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-12-14 07:01:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-12-14 07:01:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 07:01:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 07:01:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-12-14 07:01:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-12-14 07:01:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 07:01:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 07:01:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-12-14 07:01:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-12-14 07:01:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-12-14 07:01:10,812 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-12-14 07:01:10,812 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 07:01:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 07:01:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 07:01:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 07:01:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-12-14 07:01:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-12-14 07:01:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-12-14 07:01:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-12-14 07:01:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-12-14 07:01:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-12-14 07:01:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:01:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-12-14 07:01:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-12-14 07:01:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 07:01:10,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 07:01:10,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-12-14 07:01:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-12-14 07:01:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-12-14 07:01:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-12-14 07:01:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-12-14 07:01:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-12-14 07:01:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 07:01:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 07:01:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-12-14 07:01:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-12-14 07:01:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 07:01:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 07:01:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 07:01:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 07:01:10,814 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-12-14 07:01:10,814 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-12-14 07:01:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-12-14 07:01:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-12-14 07:01:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-12-14 07:01:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-12-14 07:01:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-12-14 07:01:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-12-14 07:01:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-12-14 07:01:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-12-14 07:01:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-12-14 07:01:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:01:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-12-14 07:01:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-12-14 07:01:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-12-14 07:01:10,815 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-12-14 07:01:10,815 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 07:01:10,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 07:01:11,543 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:01:11,547 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:01:11,897 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 07:01:27,675 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 07:01:27,909 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:01:28,926 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:01:28,926 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 07:01:28,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:01:28 BoogieIcfgContainer [2022-12-14 07:01:28,930 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:01:28,932 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:01:28,932 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:01:28,934 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:01:28,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:01:07" (1/3) ... [2022-12-14 07:01:28,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757b9438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:01:28, skipping insertion in model container [2022-12-14 07:01:28,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:01:10" (2/3) ... [2022-12-14 07:01:28,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@757b9438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:01:28, skipping insertion in model container [2022-12-14 07:01:28,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:01:28" (3/3) ... [2022-12-14 07:01:28,936 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-12-14 07:01:28,952 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:01:28,952 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 07:01:29,038 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:01:29,043 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;@10a595ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:01:29,043 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 07:01:29,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 2034 states, 1236 states have (on average 1.3122977346278317) internal successors, (1622), 1240 states have internal predecessors, (1622), 680 states have call successors, (680), 116 states have call predecessors, (680), 115 states have return successors, (672), 672 states have call predecessors, (672), 672 states have call successors, (672) [2022-12-14 07:01:29,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2022-12-14 07:01:29,071 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:01:29,072 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:01:29,073 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:01:29,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:01:29,077 INFO L85 PathProgramCache]: Analyzing trace with hash -2118207690, now seen corresponding path program 1 times [2022-12-14 07:01:29,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:01:29,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465062730] [2022-12-14 07:01:29,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:01:29,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:01:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:01:29,916 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5115 trivial. 0 not checked. [2022-12-14 07:01:29,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:01:29,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465062730] [2022-12-14 07:01:29,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465062730] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:01:29,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:01:29,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:01:29,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314827991] [2022-12-14 07:01:29,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:01:29,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:01:29,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:01:29,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:01:29,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:01:29,951 INFO L87 Difference]: Start difference. First operand has 2034 states, 1236 states have (on average 1.3122977346278317) internal successors, (1622), 1240 states have internal predecessors, (1622), 680 states have call successors, (680), 116 states have call predecessors, (680), 115 states have return successors, (672), 672 states have call predecessors, (672), 672 states have call successors, (672) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-14 07:01:33,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:01:34,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:01:34,651 INFO L93 Difference]: Finished difference Result 5872 states and 8870 transitions. [2022-12-14 07:01:34,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:01:34,654 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 384 [2022-12-14 07:01:34,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:01:34,720 INFO L225 Difference]: With dead ends: 5872 [2022-12-14 07:01:34,720 INFO L226 Difference]: Without dead ends: 3899 [2022-12-14 07:01:34,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:01:34,734 INFO L413 NwaCegarLoop]: 3196 mSDtfsCounter, 2769 mSDsluCounter, 2484 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2769 SdHoareTripleChecker+Valid, 5680 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:01:34,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2769 Valid, 5680 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 909 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 07:01:34,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3899 states. [2022-12-14 07:01:34,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3899 to 3895. [2022-12-14 07:01:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3895 states, 2388 states have (on average 1.3086264656616415) internal successors, (3125), 2395 states have internal predecessors, (3125), 1278 states have call successors, (1278), 227 states have call predecessors, (1278), 226 states have return successors, (1274), 1274 states have call predecessors, (1274), 1274 states have call successors, (1274) [2022-12-14 07:01:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 3895 states and 5677 transitions. [2022-12-14 07:01:34,933 INFO L78 Accepts]: Start accepts. Automaton has 3895 states and 5677 transitions. Word has length 384 [2022-12-14 07:01:34,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:01:34,934 INFO L495 AbstractCegarLoop]: Abstraction has 3895 states and 5677 transitions. [2022-12-14 07:01:34,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-14 07:01:34,935 INFO L276 IsEmpty]: Start isEmpty. Operand 3895 states and 5677 transitions. [2022-12-14 07:01:34,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 403 [2022-12-14 07:01:34,942 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:01:34,943 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:01:34,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:01:34,943 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:01:34,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:01:34,944 INFO L85 PathProgramCache]: Analyzing trace with hash 787201934, now seen corresponding path program 1 times [2022-12-14 07:01:34,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:01:34,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147455617] [2022-12-14 07:01:34,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:01:34,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:01:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:01:35,491 INFO L134 CoverageAnalysis]: Checked inductivity of 5118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5118 trivial. 0 not checked. [2022-12-14 07:01:35,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:01:35,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147455617] [2022-12-14 07:01:35,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147455617] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:01:35,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:01:35,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:01:35,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816717115] [2022-12-14 07:01:35,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:01:35,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:01:35,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:01:35,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:01:35,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:01:35,494 INFO L87 Difference]: Start difference. First operand 3895 states and 5677 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-14 07:01:38,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:01:40,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:01:40,484 INFO L93 Difference]: Finished difference Result 9562 states and 13915 transitions. [2022-12-14 07:01:40,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:01:40,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 402 [2022-12-14 07:01:40,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:01:40,528 INFO L225 Difference]: With dead ends: 9562 [2022-12-14 07:01:40,528 INFO L226 Difference]: Without dead ends: 5740 [2022-12-14 07:01:40,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:01:40,553 INFO L413 NwaCegarLoop]: 3176 mSDtfsCounter, 2728 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2728 SdHoareTripleChecker+Valid, 5655 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:01:40,554 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2728 Valid, 5655 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 911 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 07:01:40,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5740 states. [2022-12-14 07:01:40,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5740 to 5721. [2022-12-14 07:01:40,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5721 states, 3520 states have (on average 1.3068181818181819) internal successors, (4600), 3533 states have internal predecessors, (4600), 1856 states have call successors, (1856), 343 states have call predecessors, (1856), 342 states have return successors, (1852), 1847 states have call predecessors, (1852), 1852 states have call successors, (1852) [2022-12-14 07:01:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5721 states to 5721 states and 8308 transitions. [2022-12-14 07:01:40,773 INFO L78 Accepts]: Start accepts. Automaton has 5721 states and 8308 transitions. Word has length 402 [2022-12-14 07:01:40,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:01:40,774 INFO L495 AbstractCegarLoop]: Abstraction has 5721 states and 8308 transitions. [2022-12-14 07:01:40,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-14 07:01:40,774 INFO L276 IsEmpty]: Start isEmpty. Operand 5721 states and 8308 transitions. [2022-12-14 07:01:40,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2022-12-14 07:01:40,781 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:01:40,781 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:01:40,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:01:40,781 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:01:40,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:01:40,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1302733584, now seen corresponding path program 1 times [2022-12-14 07:01:40,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:01:40,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81145052] [2022-12-14 07:01:40,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:01:40,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:01:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:01:41,256 INFO L134 CoverageAnalysis]: Checked inductivity of 5118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5118 trivial. 0 not checked. [2022-12-14 07:01:41,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:01:41,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81145052] [2022-12-14 07:01:41,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81145052] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:01:41,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:01:41,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:01:41,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467122560] [2022-12-14 07:01:41,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:01:41,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:01:41,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:01:41,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:01:41,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:01:41,258 INFO L87 Difference]: Start difference. First operand 5721 states and 8308 transitions. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-14 07:01:44,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:01:45,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:01:45,857 INFO L93 Difference]: Finished difference Result 15040 states and 21818 transitions. [2022-12-14 07:01:45,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:01:45,858 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 403 [2022-12-14 07:01:45,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:01:45,893 INFO L225 Difference]: With dead ends: 15040 [2022-12-14 07:01:45,893 INFO L226 Difference]: Without dead ends: 9392 [2022-12-14 07:01:45,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:01:45,910 INFO L413 NwaCegarLoop]: 3215 mSDtfsCounter, 2727 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 925 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2727 SdHoareTripleChecker+Valid, 5694 SdHoareTripleChecker+Invalid, 939 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 925 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:01:45,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2727 Valid, 5694 Invalid, 939 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 925 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 07:01:45,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9392 states. [2022-12-14 07:01:46,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9392 to 9373. [2022-12-14 07:01:46,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9373 states, 5784 states have (on average 1.3053250345781466) internal successors, (7550), 5809 states have internal predecessors, (7550), 3012 states have call successors, (3012), 575 states have call predecessors, (3012), 574 states have return successors, (3008), 2993 states have call predecessors, (3008), 3008 states have call successors, (3008) [2022-12-14 07:01:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9373 states to 9373 states and 13570 transitions. [2022-12-14 07:01:46,312 INFO L78 Accepts]: Start accepts. Automaton has 9373 states and 13570 transitions. Word has length 403 [2022-12-14 07:01:46,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:01:46,313 INFO L495 AbstractCegarLoop]: Abstraction has 9373 states and 13570 transitions. [2022-12-14 07:01:46,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-14 07:01:46,313 INFO L276 IsEmpty]: Start isEmpty. Operand 9373 states and 13570 transitions. [2022-12-14 07:01:46,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2022-12-14 07:01:46,324 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:01:46,324 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:01:46,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:01:46,324 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:01:46,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:01:46,325 INFO L85 PathProgramCache]: Analyzing trace with hash -1719218368, now seen corresponding path program 1 times [2022-12-14 07:01:46,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:01:46,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411418937] [2022-12-14 07:01:46,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:01:46,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:01:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:01:46,738 INFO L134 CoverageAnalysis]: Checked inductivity of 5118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5118 trivial. 0 not checked. [2022-12-14 07:01:46,738 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:01:46,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411418937] [2022-12-14 07:01:46,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411418937] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:01:46,738 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:01:46,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:01:46,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496941] [2022-12-14 07:01:46,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:01:46,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:01:46,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:01:46,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:01:46,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:01:46,740 INFO L87 Difference]: Start difference. First operand 9373 states and 13570 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-14 07:01:49,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:01:51,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:01:51,571 INFO L93 Difference]: Finished difference Result 25583 states and 37027 transitions. [2022-12-14 07:01:51,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:01:51,572 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 404 [2022-12-14 07:01:51,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:01:51,630 INFO L225 Difference]: With dead ends: 25583 [2022-12-14 07:01:51,630 INFO L226 Difference]: Without dead ends: 16283 [2022-12-14 07:01:51,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:01:51,658 INFO L413 NwaCegarLoop]: 3432 mSDtfsCounter, 2726 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 994 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2726 SdHoareTripleChecker+Valid, 5911 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 994 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:01:51,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2726 Valid, 5911 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 994 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-12-14 07:01:51,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16283 states. [2022-12-14 07:01:52,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16283 to 16264. [2022-12-14 07:01:52,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16264 states, 10061 states have (on average 1.30374714243117) internal successors, (13117), 10110 states have internal predecessors, (13117), 5192 states have call successors, (5192), 1009 states have call predecessors, (5192), 1008 states have return successors, (5188), 5153 states have call predecessors, (5188), 5188 states have call successors, (5188) [2022-12-14 07:01:52,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16264 states to 16264 states and 23497 transitions. [2022-12-14 07:01:52,213 INFO L78 Accepts]: Start accepts. Automaton has 16264 states and 23497 transitions. Word has length 404 [2022-12-14 07:01:52,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:01:52,213 INFO L495 AbstractCegarLoop]: Abstraction has 16264 states and 23497 transitions. [2022-12-14 07:01:52,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-12-14 07:01:52,214 INFO L276 IsEmpty]: Start isEmpty. Operand 16264 states and 23497 transitions. [2022-12-14 07:01:52,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2022-12-14 07:01:52,218 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:01:52,219 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:01:52,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 07:01:52,219 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:01:52,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:01:52,219 INFO L85 PathProgramCache]: Analyzing trace with hash 1278519896, now seen corresponding path program 1 times [2022-12-14 07:01:52,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:01:52,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243482765] [2022-12-14 07:01:52,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:01:52,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:01:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:01:52,749 INFO L134 CoverageAnalysis]: Checked inductivity of 5114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5114 trivial. 0 not checked. [2022-12-14 07:01:52,749 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:01:52,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243482765] [2022-12-14 07:01:52,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243482765] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:01:52,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:01:52,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:01:52,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751597815] [2022-12-14 07:01:52,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:01:52,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:01:52,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:01:52,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:01:52,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:01:52,751 INFO L87 Difference]: Start difference. First operand 16264 states and 23497 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-14 07:01:55,766 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:01:57,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:01:57,938 INFO L93 Difference]: Finished difference Result 47400 states and 68478 transitions. [2022-12-14 07:01:57,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:01:57,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 409 [2022-12-14 07:01:57,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:01:58,072 INFO L225 Difference]: With dead ends: 47400 [2022-12-14 07:01:58,072 INFO L226 Difference]: Without dead ends: 31209 [2022-12-14 07:01:58,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:01:58,113 INFO L413 NwaCegarLoop]: 3816 mSDtfsCounter, 2675 mSDsluCounter, 2483 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2675 SdHoareTripleChecker+Valid, 6299 SdHoareTripleChecker+Invalid, 1098 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:01:58,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2675 Valid, 6299 Invalid, 1098 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1081 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-12-14 07:01:58,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31209 states. [2022-12-14 07:01:59,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31209 to 31174. [2022-12-14 07:01:59,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31174 states, 19332 states have (on average 1.3012621560107593) internal successors, (25156), 19446 states have internal predecessors, (25156), 9902 states have call successors, (9902), 1938 states have call predecessors, (9902), 1937 states have return successors, (9898), 9807 states have call predecessors, (9898), 9898 states have call successors, (9898) [2022-12-14 07:01:59,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31174 states to 31174 states and 44956 transitions. [2022-12-14 07:01:59,147 INFO L78 Accepts]: Start accepts. Automaton has 31174 states and 44956 transitions. Word has length 409 [2022-12-14 07:01:59,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:01:59,148 INFO L495 AbstractCegarLoop]: Abstraction has 31174 states and 44956 transitions. [2022-12-14 07:01:59,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-12-14 07:01:59,148 INFO L276 IsEmpty]: Start isEmpty. Operand 31174 states and 44956 transitions. [2022-12-14 07:01:59,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-12-14 07:01:59,153 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:01:59,153 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:01:59,153 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 07:01:59,153 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:01:59,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:01:59,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1032969177, now seen corresponding path program 1 times [2022-12-14 07:01:59,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:01:59,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566777121] [2022-12-14 07:01:59,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:01:59,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:01:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:01:59,451 INFO L134 CoverageAnalysis]: Checked inductivity of 5116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5116 trivial. 0 not checked. [2022-12-14 07:01:59,451 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:01:59,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566777121] [2022-12-14 07:01:59,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566777121] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:01:59,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:01:59,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:01:59,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813037020] [2022-12-14 07:01:59,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:01:59,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:01:59,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:01:59,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:01:59,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:01:59,453 INFO L87 Difference]: Start difference. First operand 31174 states and 44956 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-12-14 07:02:04,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:02:05,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:02:05,145 INFO L93 Difference]: Finished difference Result 75094 states and 107651 transitions. [2022-12-14 07:02:05,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:02:05,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 418 [2022-12-14 07:02:05,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:02:05,276 INFO L225 Difference]: With dead ends: 75094 [2022-12-14 07:02:05,276 INFO L226 Difference]: Without dead ends: 43993 [2022-12-14 07:02:05,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:02:05,354 INFO L413 NwaCegarLoop]: 2967 mSDtfsCounter, 1591 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 952 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1591 SdHoareTripleChecker+Valid, 5416 SdHoareTripleChecker+Invalid, 965 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 952 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:02:05,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1591 Valid, 5416 Invalid, 965 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 952 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-12-14 07:02:05,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43993 states. [2022-12-14 07:02:06,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43993 to 43944. [2022-12-14 07:02:06,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43944 states, 27446 states have (on average 1.3022298331268674) internal successors, (35741), 27682 states have internal predecessors, (35741), 13428 states have call successors, (13428), 3068 states have call predecessors, (13428), 3067 states have return successors, (13424), 13209 states have call predecessors, (13424), 13424 states have call successors, (13424) [2022-12-14 07:02:06,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43944 states to 43944 states and 62593 transitions. [2022-12-14 07:02:06,908 INFO L78 Accepts]: Start accepts. Automaton has 43944 states and 62593 transitions. Word has length 418 [2022-12-14 07:02:06,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:02:06,909 INFO L495 AbstractCegarLoop]: Abstraction has 43944 states and 62593 transitions. [2022-12-14 07:02:06,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-12-14 07:02:06,909 INFO L276 IsEmpty]: Start isEmpty. Operand 43944 states and 62593 transitions. [2022-12-14 07:02:06,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-12-14 07:02:06,912 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:02:06,913 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:02:06,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 07:02:06,913 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:02:06,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:02:06,913 INFO L85 PathProgramCache]: Analyzing trace with hash -1811123264, now seen corresponding path program 1 times [2022-12-14 07:02:06,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:02:06,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87903922] [2022-12-14 07:02:06,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:02:06,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:02:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:02:07,942 INFO L134 CoverageAnalysis]: Checked inductivity of 5374 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5374 trivial. 0 not checked. [2022-12-14 07:02:07,942 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:02:07,943 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87903922] [2022-12-14 07:02:07,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87903922] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:02:07,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:02:07,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:02:07,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801423137] [2022-12-14 07:02:07,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:02:07,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:02:07,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:02:07,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:02:07,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:02:07,945 INFO L87 Difference]: Start difference. First operand 43944 states and 62593 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-14 07:02:13,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:02:16,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:02:16,053 INFO L93 Difference]: Finished difference Result 82492 states and 119943 transitions. [2022-12-14 07:02:16,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:02:16,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 432 [2022-12-14 07:02:16,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:02:16,353 INFO L225 Difference]: With dead ends: 82492 [2022-12-14 07:02:16,353 INFO L226 Difference]: Without dead ends: 82490 [2022-12-14 07:02:16,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:02:16,389 INFO L413 NwaCegarLoop]: 3216 mSDtfsCounter, 2835 mSDsluCounter, 8755 mSDsCounter, 0 mSdLazyCounter, 1736 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2838 SdHoareTripleChecker+Valid, 11971 SdHoareTripleChecker+Invalid, 1740 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1736 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:02:16,389 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2838 Valid, 11971 Invalid, 1740 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1736 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2022-12-14 07:02:16,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82490 states. [2022-12-14 07:02:18,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82490 to 82087. [2022-12-14 07:02:18,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82087 states, 51117 states have (on average 1.3037345697126201) internal successors, (66643), 51649 states have internal predecessors, (66643), 25270 states have call successors, (25270), 5729 states have call predecessors, (25270), 5697 states have return successors, (27505), 24740 states have call predecessors, (27505), 25262 states have call successors, (27505) [2022-12-14 07:02:19,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82087 states to 82087 states and 119418 transitions. [2022-12-14 07:02:19,284 INFO L78 Accepts]: Start accepts. Automaton has 82087 states and 119418 transitions. Word has length 432 [2022-12-14 07:02:19,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:02:19,285 INFO L495 AbstractCegarLoop]: Abstraction has 82087 states and 119418 transitions. [2022-12-14 07:02:19,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-14 07:02:19,285 INFO L276 IsEmpty]: Start isEmpty. Operand 82087 states and 119418 transitions. [2022-12-14 07:02:19,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-12-14 07:02:19,292 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:02:19,292 INFO L195 NwaCegarLoop]: trace histogram [38, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:02:19,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 07:02:19,293 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:02:19,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:02:19,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1374262377, now seen corresponding path program 1 times [2022-12-14 07:02:19,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:02:19,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73961831] [2022-12-14 07:02:19,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:02:19,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:02:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:02:19,809 INFO L134 CoverageAnalysis]: Checked inductivity of 5199 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5188 trivial. 0 not checked. [2022-12-14 07:02:19,809 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:02:19,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73961831] [2022-12-14 07:02:19,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73961831] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:02:19,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:02:19,810 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:02:19,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51793287] [2022-12-14 07:02:19,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:02:19,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:02:19,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:02:19,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:02:19,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:02:19,812 INFO L87 Difference]: Start difference. First operand 82087 states and 119418 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-14 07:02:24,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:02:28,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:02:28,420 INFO L93 Difference]: Finished difference Result 201803 states and 293512 transitions. [2022-12-14 07:02:28,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:02:28,421 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 431 [2022-12-14 07:02:28,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:02:28,945 INFO L225 Difference]: With dead ends: 201803 [2022-12-14 07:02:28,946 INFO L226 Difference]: Without dead ends: 119789 [2022-12-14 07:02:29,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:02:29,154 INFO L413 NwaCegarLoop]: 4631 mSDtfsCounter, 2672 mSDsluCounter, 2501 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2672 SdHoareTripleChecker+Valid, 7132 SdHoareTripleChecker+Invalid, 1234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:02:29,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2672 Valid, 7132 Invalid, 1234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1230 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 07:02:29,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119789 states. [2022-12-14 07:02:33,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119789 to 119697. [2022-12-14 07:02:33,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119697 states, 74598 states have (on average 1.3018713638435346) internal successors, (97117), 75384 states have internal predecessors, (97117), 36820 states have call successors, (36820), 8354 states have call predecessors, (36820), 8276 states have return successors, (40106), 36006 states have call predecessors, (40106), 36812 states have call successors, (40106) [2022-12-14 07:02:33,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119697 states to 119697 states and 174043 transitions. [2022-12-14 07:02:33,978 INFO L78 Accepts]: Start accepts. Automaton has 119697 states and 174043 transitions. Word has length 431 [2022-12-14 07:02:33,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:02:33,979 INFO L495 AbstractCegarLoop]: Abstraction has 119697 states and 174043 transitions. [2022-12-14 07:02:33,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-14 07:02:33,979 INFO L276 IsEmpty]: Start isEmpty. Operand 119697 states and 174043 transitions. [2022-12-14 07:02:33,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-12-14 07:02:33,982 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:02:33,983 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:02:33,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 07:02:33,983 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:02:33,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:02:33,984 INFO L85 PathProgramCache]: Analyzing trace with hash -998447913, now seen corresponding path program 1 times [2022-12-14 07:02:33,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:02:33,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765202397] [2022-12-14 07:02:33,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:02:33,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:02:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:02:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5376 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5374 trivial. 0 not checked. [2022-12-14 07:02:34,914 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:02:34,914 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765202397] [2022-12-14 07:02:34,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765202397] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:02:34,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:02:34,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:02:34,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914098600] [2022-12-14 07:02:34,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:02:34,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:02:34,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:02:34,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:02:34,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:02:34,916 INFO L87 Difference]: Start difference. First operand 119697 states and 174043 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 07:02:39,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:02:45,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:02:45,109 INFO L93 Difference]: Finished difference Result 183501 states and 264754 transitions. [2022-12-14 07:02:45,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:02:45,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 437 [2022-12-14 07:02:45,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:02:45,749 INFO L225 Difference]: With dead ends: 183501 [2022-12-14 07:02:45,749 INFO L226 Difference]: Without dead ends: 183499 [2022-12-14 07:02:45,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:02:45,819 INFO L413 NwaCegarLoop]: 3157 mSDtfsCounter, 2837 mSDsluCounter, 8704 mSDsCounter, 0 mSdLazyCounter, 1751 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2839 SdHoareTripleChecker+Valid, 11861 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1751 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-12-14 07:02:45,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2839 Valid, 11861 Invalid, 1754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1751 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2022-12-14 07:02:45,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183499 states. [2022-12-14 07:02:51,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183499 to 183493. [2022-12-14 07:02:52,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183493 states, 114447 states have (on average 1.3021660681363425) internal successors, (149029), 115581 states have internal predecessors, (149029), 56219 states have call successors, (56219), 12919 states have call predecessors, (56219), 12824 states have return successors, (59501), 55064 states have call predecessors, (59501), 56207 states have call successors, (59501) [2022-12-14 07:02:52,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183493 states to 183493 states and 264749 transitions. [2022-12-14 07:02:52,773 INFO L78 Accepts]: Start accepts. Automaton has 183493 states and 264749 transitions. Word has length 437 [2022-12-14 07:02:52,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:02:52,774 INFO L495 AbstractCegarLoop]: Abstraction has 183493 states and 264749 transitions. [2022-12-14 07:02:52,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 07:02:52,774 INFO L276 IsEmpty]: Start isEmpty. Operand 183493 states and 264749 transitions. [2022-12-14 07:02:52,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-12-14 07:02:52,778 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:02:52,778 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:02:52,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 07:02:52,779 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:02:52,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:02:52,779 INFO L85 PathProgramCache]: Analyzing trace with hash 1426563552, now seen corresponding path program 1 times [2022-12-14 07:02:52,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:02:52,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507088363] [2022-12-14 07:02:52,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:02:52,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:02:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:02:53,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5382 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5378 trivial. 0 not checked. [2022-12-14 07:02:53,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:02:53,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507088363] [2022-12-14 07:02:53,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507088363] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:02:53,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:02:53,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:02:53,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915599983] [2022-12-14 07:02:53,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:02:53,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:02:53,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:02:53,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:02:53,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:02:53,881 INFO L87 Difference]: Start difference. First operand 183493 states and 264749 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-14 07:02:58,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:03:04,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:03:04,018 INFO L93 Difference]: Finished difference Result 183505 states and 264757 transitions. [2022-12-14 07:03:04,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:03:04,019 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 442 [2022-12-14 07:03:04,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:03:04,627 INFO L225 Difference]: With dead ends: 183505 [2022-12-14 07:03:04,627 INFO L226 Difference]: Without dead ends: 183501 [2022-12-14 07:03:04,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:03:04,693 INFO L413 NwaCegarLoop]: 3157 mSDtfsCounter, 2837 mSDsluCounter, 8704 mSDsCounter, 0 mSdLazyCounter, 1751 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2838 SdHoareTripleChecker+Valid, 11861 SdHoareTripleChecker+Invalid, 1754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1751 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 07:03:04,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2838 Valid, 11861 Invalid, 1754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1751 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 07:03:04,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183501 states. [2022-12-14 07:03:11,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183501 to 183495. [2022-12-14 07:03:11,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183495 states, 114449 states have (on average 1.3021520502581936) internal successors, (149030), 115582 states have internal predecessors, (149030), 56219 states have call successors, (56219), 12920 states have call predecessors, (56219), 12824 states have return successors, (59501), 55064 states have call predecessors, (59501), 56207 states have call successors, (59501) [2022-12-14 07:03:11,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183495 states to 183495 states and 264750 transitions. [2022-12-14 07:03:11,898 INFO L78 Accepts]: Start accepts. Automaton has 183495 states and 264750 transitions. Word has length 442 [2022-12-14 07:03:11,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:03:11,898 INFO L495 AbstractCegarLoop]: Abstraction has 183495 states and 264750 transitions. [2022-12-14 07:03:11,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-14 07:03:11,899 INFO L276 IsEmpty]: Start isEmpty. Operand 183495 states and 264750 transitions. [2022-12-14 07:03:11,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2022-12-14 07:03:11,903 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:03:11,903 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 5, 5, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:03:11,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 07:03:11,903 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:03:11,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:03:11,904 INFO L85 PathProgramCache]: Analyzing trace with hash -3532895, now seen corresponding path program 1 times [2022-12-14 07:03:11,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:03:11,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194304231] [2022-12-14 07:03:11,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:03:11,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:03:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:03:12,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5393 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5387 trivial. 0 not checked. [2022-12-14 07:03:12,783 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:03:12,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194304231] [2022-12-14 07:03:12,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194304231] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:03:12,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:03:12,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:03:12,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700219165] [2022-12-14 07:03:12,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:03:12,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:03:12,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:03:12,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:03:12,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:03:12,784 INFO L87 Difference]: Start difference. First operand 183495 states and 264750 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-12-14 07:03:18,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:03:23,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:03:23,962 INFO L93 Difference]: Finished difference Result 183501 states and 264753 transitions. [2022-12-14 07:03:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:03:23,963 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 448 [2022-12-14 07:03:23,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:03:24,616 INFO L225 Difference]: With dead ends: 183501 [2022-12-14 07:03:24,616 INFO L226 Difference]: Without dead ends: 183078 [2022-12-14 07:03:24,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:03:24,668 INFO L413 NwaCegarLoop]: 3157 mSDtfsCounter, 2833 mSDsluCounter, 8706 mSDsCounter, 0 mSdLazyCounter, 1747 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2833 SdHoareTripleChecker+Valid, 11863 SdHoareTripleChecker+Invalid, 1750 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1747 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-14 07:03:24,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2833 Valid, 11863 Invalid, 1750 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1747 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-12-14 07:03:24,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183078 states. [2022-12-14 07:03:31,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183078 to 183074. [2022-12-14 07:03:31,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183074 states, 114358 states have (on average 1.301133283198377) internal successors, (148795), 115348 states have internal predecessors, (148795), 55924 states have call successors, (55924), 12867 states have call predecessors, (55924), 12789 states have return successors, (59210), 54930 states have call predecessors, (59210), 55916 states have call successors, (59210) [2022-12-14 07:03:32,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183074 states to 183074 states and 263929 transitions. [2022-12-14 07:03:32,113 INFO L78 Accepts]: Start accepts. Automaton has 183074 states and 263929 transitions. Word has length 448 [2022-12-14 07:03:32,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:03:32,113 INFO L495 AbstractCegarLoop]: Abstraction has 183074 states and 263929 transitions. [2022-12-14 07:03:32,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-12-14 07:03:32,114 INFO L276 IsEmpty]: Start isEmpty. Operand 183074 states and 263929 transitions. [2022-12-14 07:03:32,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2022-12-14 07:03:32,123 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:03:32,124 INFO L195 NwaCegarLoop]: trace histogram [41, 36, 36, 36, 36, 36, 36, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:03:32,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 07:03:32,124 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:03:32,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:03:32,124 INFO L85 PathProgramCache]: Analyzing trace with hash -895925086, now seen corresponding path program 1 times [2022-12-14 07:03:32,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:03:32,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638334453] [2022-12-14 07:03:32,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:03:32,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:03:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:03:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 5464 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5457 trivial. 0 not checked. [2022-12-14 07:03:32,491 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:03:32,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638334453] [2022-12-14 07:03:32,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638334453] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:03:32,491 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:03:32,491 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:03:32,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056187512] [2022-12-14 07:03:32,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:03:32,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:03:32,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:03:32,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:03:32,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:03:32,493 INFO L87 Difference]: Start difference. First operand 183074 states and 263929 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 07:03:37,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:03:46,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:03:46,507 INFO L93 Difference]: Finished difference Result 452150 states and 652123 transitions. [2022-12-14 07:03:46,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:03:46,508 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 473 [2022-12-14 07:03:46,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:03:47,531 INFO L225 Difference]: With dead ends: 452150 [2022-12-14 07:03:47,531 INFO L226 Difference]: Without dead ends: 269306 [2022-12-14 07:03:48,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:03:48,079 INFO L413 NwaCegarLoop]: 4334 mSDtfsCounter, 2737 mSDsluCounter, 2465 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2737 SdHoareTripleChecker+Valid, 6799 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:03:48,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2737 Valid, 6799 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1190 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 07:03:48,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269306 states. [2022-12-14 07:03:58,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269306 to 269238. [2022-12-14 07:03:58,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269238 states, 168377 states have (on average 1.300242907285437) internal successors, (218931), 169867 states have internal predecessors, (218931), 81999 states have call successors, (81999), 18973 states have call predecessors, (81999), 18859 states have return successors, (86847), 80505 states have call predecessors, (86847), 81991 states have call successors, (86847) [2022-12-14 07:04:00,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269238 states to 269238 states and 387777 transitions. [2022-12-14 07:04:00,050 INFO L78 Accepts]: Start accepts. Automaton has 269238 states and 387777 transitions. Word has length 473 [2022-12-14 07:04:00,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:04:00,051 INFO L495 AbstractCegarLoop]: Abstraction has 269238 states and 387777 transitions. [2022-12-14 07:04:00,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 07:04:00,051 INFO L276 IsEmpty]: Start isEmpty. Operand 269238 states and 387777 transitions. [2022-12-14 07:04:00,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-12-14 07:04:00,060 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:04:00,061 INFO L195 NwaCegarLoop]: trace histogram [41, 36, 36, 36, 36, 36, 36, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:04:00,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 07:04:00,061 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:04:00,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:04:00,061 INFO L85 PathProgramCache]: Analyzing trace with hash -610371218, now seen corresponding path program 1 times [2022-12-14 07:04:00,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:04:00,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145700819] [2022-12-14 07:04:00,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:04:00,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:04:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:04:00,394 INFO L134 CoverageAnalysis]: Checked inductivity of 5464 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5457 trivial. 0 not checked. [2022-12-14 07:04:00,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:04:00,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145700819] [2022-12-14 07:04:00,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145700819] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:04:00,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:04:00,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:04:00,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587410464] [2022-12-14 07:04:00,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:04:00,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:04:00,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:04:00,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:04:00,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:04:00,396 INFO L87 Difference]: Start difference. First operand 269238 states and 387777 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 07:04:04,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:04:19,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:04:19,203 INFO L93 Difference]: Finished difference Result 661946 states and 953659 transitions. [2022-12-14 07:04:19,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:04:19,203 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 472 [2022-12-14 07:04:19,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:04:20,992 INFO L225 Difference]: With dead ends: 661946 [2022-12-14 07:04:20,992 INFO L226 Difference]: Without dead ends: 392938 [2022-12-14 07:04:21,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:04:21,823 INFO L413 NwaCegarLoop]: 4417 mSDtfsCounter, 2738 mSDsluCounter, 2465 mSDsCounter, 0 mSdLazyCounter, 1215 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2738 SdHoareTripleChecker+Valid, 6882 SdHoareTripleChecker+Invalid, 1225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1215 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:04:21,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2738 Valid, 6882 Invalid, 1225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1215 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 07:04:22,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392938 states. [2022-12-14 07:04:36,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392938 to 392870. [2022-12-14 07:04:37,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392870 states, 246021 states have (on average 1.299340300218274) internal successors, (319665), 248255 states have internal predecessors, (319665), 119233 states have call successors, (119233), 27779 states have call predecessors, (119233), 27613 states have return successors, (126243), 116997 states have call predecessors, (126243), 119225 states have call successors, (126243) [2022-12-14 07:04:38,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392870 states to 392870 states and 565141 transitions. [2022-12-14 07:04:39,057 INFO L78 Accepts]: Start accepts. Automaton has 392870 states and 565141 transitions. Word has length 472 [2022-12-14 07:04:39,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:04:39,058 INFO L495 AbstractCegarLoop]: Abstraction has 392870 states and 565141 transitions. [2022-12-14 07:04:39,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 07:04:39,058 INFO L276 IsEmpty]: Start isEmpty. Operand 392870 states and 565141 transitions. [2022-12-14 07:04:39,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 472 [2022-12-14 07:04:39,067 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:04:39,067 INFO L195 NwaCegarLoop]: trace histogram [41, 36, 36, 36, 36, 36, 36, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:04:39,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 07:04:39,067 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:04:39,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:04:39,068 INFO L85 PathProgramCache]: Analyzing trace with hash 864036208, now seen corresponding path program 1 times [2022-12-14 07:04:39,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:04:39,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285283071] [2022-12-14 07:04:39,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:04:39,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:04:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:04:39,394 INFO L134 CoverageAnalysis]: Checked inductivity of 5464 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5457 trivial. 0 not checked. [2022-12-14 07:04:39,394 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:04:39,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285283071] [2022-12-14 07:04:39,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285283071] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:04:39,395 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:04:39,395 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:04:39,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106218496] [2022-12-14 07:04:39,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:04:39,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:04:39,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:04:39,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:04:39,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:04:39,396 INFO L87 Difference]: Start difference. First operand 392870 states and 565141 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 07:04:43,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:05:05,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:05:05,829 INFO L93 Difference]: Finished difference Result 964688 states and 1388608 transitions. [2022-12-14 07:05:05,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:05:05,830 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 471 [2022-12-14 07:05:05,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:05:08,299 INFO L225 Difference]: With dead ends: 964688 [2022-12-14 07:05:08,299 INFO L226 Difference]: Without dead ends: 572048 [2022-12-14 07:05:09,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:05:09,921 INFO L413 NwaCegarLoop]: 4798 mSDtfsCounter, 2739 mSDsluCounter, 2465 mSDsCounter, 0 mSdLazyCounter, 1312 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2739 SdHoareTripleChecker+Valid, 7263 SdHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1312 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:05:09,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2739 Valid, 7263 Invalid, 1322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1312 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2022-12-14 07:05:10,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572048 states. [2022-12-14 07:05:31,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572048 to 571980. [2022-12-14 07:05:32,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571980 states, 358724 states have (on average 1.2986028255706337) internal successors, (465840), 362065 states have internal predecessors, (465840), 173079 states have call successors, (173079), 40414 states have call predecessors, (173079), 40174 states have return successors, (183321), 169743 states have call predecessors, (183321), 173071 states have call successors, (183321) [2022-12-14 07:05:35,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571980 states to 571980 states and 822240 transitions. [2022-12-14 07:05:35,725 INFO L78 Accepts]: Start accepts. Automaton has 571980 states and 822240 transitions. Word has length 471 [2022-12-14 07:05:35,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:05:35,726 INFO L495 AbstractCegarLoop]: Abstraction has 571980 states and 822240 transitions. [2022-12-14 07:05:35,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-12-14 07:05:35,726 INFO L276 IsEmpty]: Start isEmpty. Operand 571980 states and 822240 transitions. [2022-12-14 07:05:35,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 487 [2022-12-14 07:05:35,743 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:05:35,743 INFO L195 NwaCegarLoop]: trace histogram [41, 36, 36, 36, 36, 36, 36, 4, 4, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:05:35,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 07:05:35,743 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:05:35,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:05:35,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1851182878, now seen corresponding path program 1 times [2022-12-14 07:05:35,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:05:35,744 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833218842] [2022-12-14 07:05:35,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:05:35,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:05:36,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:05:36,165 INFO L134 CoverageAnalysis]: Checked inductivity of 5461 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5454 trivial. 0 not checked. [2022-12-14 07:05:36,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:05:36,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833218842] [2022-12-14 07:05:36,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833218842] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:05:36,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:05:36,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:05:36,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318197526] [2022-12-14 07:05:36,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:05:36,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:05:36,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:05:36,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:05:36,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:05:36,167 INFO L87 Difference]: Start difference. First operand 571980 states and 822240 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-12-14 07:05:46,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []