./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf629f0-6f13-471b-ab9a-28c09ee04120/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf629f0-6f13-471b-ab9a-28c09ee04120/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_dbf629f0-6f13-471b-ab9a-28c09ee04120/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf629f0-6f13-471b-ab9a-28c09ee04120/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf629f0-6f13-471b-ab9a-28c09ee04120/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_dbf629f0-6f13-471b-ab9a-28c09ee04120/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 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 --- 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 10:33:08,048 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 10:33:08,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 10:33:08,073 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 10:33:08,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 10:33:08,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 10:33:08,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 10:33:08,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 10:33:08,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 10:33:08,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 10:33:08,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 10:33:08,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 10:33:08,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 10:33:08,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 10:33:08,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 10:33:08,092 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 10:33:08,093 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 10:33:08,094 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 10:33:08,097 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 10:33:08,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 10:33:08,102 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 10:33:08,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 10:33:08,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 10:33:08,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 10:33:08,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 10:33:08,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 10:33:08,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 10:33:08,115 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 10:33:08,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 10:33:08,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 10:33:08,117 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 10:33:08,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 10:33:08,119 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 10:33:08,120 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 10:33:08,121 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 10:33:08,121 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 10:33:08,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 10:33:08,122 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 10:33:08,122 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 10:33:08,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 10:33:08,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 10:33:08,124 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf629f0-6f13-471b-ab9a-28c09ee04120/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 10:33:08,149 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 10:33:08,149 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 10:33:08,150 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 10:33:08,150 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 10:33:08,150 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 10:33:08,151 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 10:33:08,151 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 10:33:08,151 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 10:33:08,151 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 10:33:08,151 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 10:33:08,151 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 10:33:08,152 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 10:33:08,152 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 10:33:08,152 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 10:33:08,152 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 10:33:08,152 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 10:33:08,152 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 10:33:08,153 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 10:33:08,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 10:33:08,153 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 10:33:08,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 10:33:08,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 10:33:08,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 10:33:08,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 10:33:08,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 10:33:08,154 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 10:33:08,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 10:33:08,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 10:33:08,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 10:33:08,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:33:08,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 10:33:08,156 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 10:33:08,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 10:33:08,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 10:33:08,156 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 10:33:08,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 10:33:08,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 10:33:08,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 10:33:08,157 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_dbf629f0-6f13-471b-ab9a-28c09ee04120/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf629f0-6f13-471b-ab9a-28c09ee04120/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 [2022-12-14 10:33:08,342 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 10:33:08,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 10:33:08,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 10:33:08,363 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 10:33:08,363 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 10:33:08,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf629f0-6f13-471b-ab9a-28c09ee04120/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-12-14 10:33:10,882 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 10:33:11,270 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 10:33:11,271 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf629f0-6f13-471b-ab9a-28c09ee04120/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-12-14 10:33:11,300 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf629f0-6f13-471b-ab9a-28c09ee04120/bin/utaipan-gh47qXpMRh/data/42f77f467/acceb5dcced14ee4b35222a7f2e193e1/FLAG7b9fa2a6b [2022-12-14 10:33:11,440 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf629f0-6f13-471b-ab9a-28c09ee04120/bin/utaipan-gh47qXpMRh/data/42f77f467/acceb5dcced14ee4b35222a7f2e193e1 [2022-12-14 10:33:11,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 10:33:11,443 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 10:33:11,444 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 10:33:11,444 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 10:33:11,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 10:33:11,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:33:11" (1/1) ... [2022-12-14 10:33:11,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e84b639 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:33:11, skipping insertion in model container [2022-12-14 10:33:11,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:33:11" (1/1) ... [2022-12-14 10:33:11,453 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 10:33:11,553 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 10:33:12,129 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 10:33:12,139 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 10:33:12,190 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 10:33:12,194 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 10:33:12,221 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:12,364 WARN L623 FunctionHandler]: Unknown extern function __ieee80211_get_channel [2022-12-14 10:33:12,375 WARN L623 FunctionHandler]: Unknown extern function cfg80211_inform_bss_width [2022-12-14 10:33:12,565 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 10:33:12,565 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 10:33:12,567 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,569 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,572 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,573 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:33:12,573 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:12,581 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 10:33:12,583 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 10:33:12,585 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,587 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,588 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:33:12,589 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:12,595 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 10:33:12,596 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 10:33:12,597 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:33:12,605 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,606 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,610 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,610 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:12,638 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:12,639 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,645 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:12,670 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,670 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:33:12,678 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 10:33:12,685 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,687 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:12,694 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,701 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,702 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:12,704 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,705 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:12,711 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,717 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,732 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,734 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,735 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,740 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,748 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:12,748 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:12,757 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,759 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,760 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,762 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,764 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,766 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,770 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,782 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,796 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,799 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:12,809 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:12,810 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,811 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:12,812 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,825 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,826 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:12,834 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,834 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:12,842 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,845 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:12,853 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,853 WARN L623 FunctionHandler]: Unknown extern function krealloc [2022-12-14 10:33:12,855 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:12,858 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,861 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,863 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,871 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,874 WARN L623 FunctionHandler]: Unknown extern function cfg80211_put_bss [2022-12-14 10:33:12,889 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,891 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:12,892 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,894 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,895 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:12,901 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,902 WARN L623 FunctionHandler]: Unknown extern function cfg80211_scan_done [2022-12-14 10:33:12,904 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 10:33:12,905 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 10:33:12,906 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 10:33:12,908 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,909 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,911 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,912 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,913 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,915 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,918 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,919 WARN L623 FunctionHandler]: Unknown extern function usbnet_pause_rx [2022-12-14 10:33:12,919 WARN L623 FunctionHandler]: Unknown extern function usbnet_purge_paused_rxq [2022-12-14 10:33:12,920 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,923 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,925 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 10:33:12,926 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,928 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,929 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,930 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,931 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,933 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,934 WARN L623 FunctionHandler]: Unknown extern function usbnet_purge_paused_rxq [2022-12-14 10:33:12,935 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume_rx [2022-12-14 10:33:12,936 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,938 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,940 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,943 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,945 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,947 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,962 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,965 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,967 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,970 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,972 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,980 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,981 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:12,982 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,983 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,983 WARN L623 FunctionHandler]: Unknown extern function cfg80211_put_bss [2022-12-14 10:33:12,990 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:12,990 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:33:12,991 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:12,992 WARN L623 FunctionHandler]: Unknown extern function cfg80211_connect_result [2022-12-14 10:33:12,993 WARN L623 FunctionHandler]: Unknown extern function cfg80211_roamed [2022-12-14 10:33:12,993 WARN L623 FunctionHandler]: Unknown extern function cfg80211_ibss_joined [2022-12-14 10:33:12,993 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:12,993 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume_rx [2022-12-14 10:33:12,994 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 10:33:12,999 WARN L623 FunctionHandler]: Unknown extern function cfg80211_disconnected [2022-12-14 10:33:12,999 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 10:33:13,014 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:13,015 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:13,016 WARN L623 FunctionHandler]: Unknown extern function cfg80211_michael_mic_failure [2022-12-14 10:33:13,016 WARN L623 FunctionHandler]: Unknown extern function cfg80211_michael_mic_failure [2022-12-14 10:33:13,021 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:13,022 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:13,022 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:13,023 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:13,024 WARN L623 FunctionHandler]: Unknown extern function cfg80211_pmksa_candidate_notify [2022-12-14 10:33:13,029 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:13,029 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:13,030 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:13,030 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:13,031 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:13,050 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:13,051 WARN L623 FunctionHandler]: Unknown extern function usbnet_pause_rx [2022-12-14 10:33:13,051 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:13,052 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:13,052 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:13,062 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:13,069 WARN L623 FunctionHandler]: Unknown extern function cfg80211_cqm_rssi_notify [2022-12-14 10:33:13,077 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:13,078 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:33:13,079 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:13,079 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 10:33:13,080 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 10:33:13,108 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:33:13,109 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:33:13,109 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:33:13,110 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:33:13,117 WARN L623 FunctionHandler]: Unknown extern function wiphy_new [2022-12-14 10:33:13,119 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 10:33:13,119 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 10:33:13,120 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:33:13,120 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:33:13,121 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:33:13,121 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:33:13,121 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:33:13,122 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:33:13,122 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:33:13,123 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:33:13,123 WARN L623 FunctionHandler]: Unknown extern function generic_rndis_bind [2022-12-14 10:33:13,126 WARN L623 FunctionHandler]: Unknown extern function wiphy_register [2022-12-14 10:33:13,127 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 10:33:13,127 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 10:33:13,128 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 10:33:13,128 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 10:33:13,128 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 10:33:13,128 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 10:33:13,128 WARN L623 FunctionHandler]: Unknown extern function wiphy_free [2022-12-14 10:33:13,134 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 10:33:13,135 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 10:33:13,135 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 10:33:13,135 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 10:33:13,135 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 10:33:13,136 WARN L623 FunctionHandler]: Unknown extern function rndis_unbind [2022-12-14 10:33:13,136 WARN L623 FunctionHandler]: Unknown extern function wiphy_unregister [2022-12-14 10:33:13,136 WARN L623 FunctionHandler]: Unknown extern function wiphy_free [2022-12-14 10:33:13,143 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:13,144 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:13,144 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 10:33:13,151 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:13,151 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 10:33:13,152 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 10:33:13,152 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 10:33:13,152 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 10:33:13,153 WARN L623 FunctionHandler]: Unknown extern function cfg80211_scan_done [2022-12-14 10:33:13,567 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,567 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,568 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,568 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,568 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,568 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,568 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,569 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,569 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,569 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,569 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,569 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,569 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,569 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,570 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,570 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,570 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,570 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,570 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,570 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,571 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,571 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,571 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,571 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,571 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,571 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,572 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,572 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,572 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,572 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,572 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,572 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,572 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,573 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,573 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,573 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:13,574 WARN L623 FunctionHandler]: Unknown extern function usbnet_stop [2022-12-14 10:33:13,575 WARN L623 FunctionHandler]: Unknown extern function usbnet_tx_timeout [2022-12-14 10:33:13,575 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 10:33:13,575 WARN L623 FunctionHandler]: Unknown extern function usbnet_open [2022-12-14 10:33:13,576 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 10:33:13,576 WARN L623 FunctionHandler]: Unknown extern function usbnet_start_xmit [2022-12-14 10:33:13,579 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 10:33:13,584 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 10:33:13,584 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 10:33:13,584 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 10:33:13,585 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 10:33:13,585 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 10:33:13,586 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 10:33:13,586 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 10:33:13,587 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 10:33:13,587 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 10:33:13,606 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 10:33:13,607 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 10:33:13,608 WARN L623 FunctionHandler]: Unknown extern function usbnet_probe [2022-12-14 10:33:13,608 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-14 10:33:13,608 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-14 10:33:13,608 WARN L623 FunctionHandler]: Unknown extern function usbnet_suspend [2022-12-14 10:33:13,609 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-14 10:33:13,611 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 10:33:13,612 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 10:33:13,613 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 10:33:13,653 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 10:33:13,653 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:33:13,662 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:33:14,139 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_dbf629f0-6f13-471b-ab9a-28c09ee04120/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2022-12-14 10:33:14,143 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_dbf629f0-6f13-471b-ab9a-28c09ee04120/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2022-12-14 10:33:14,143 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_dbf629f0-6f13-471b-ab9a-28c09ee04120/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2022-12-14 10:33:14,144 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_dbf629f0-6f13-471b-ab9a-28c09ee04120/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2022-12-14 10:33:14,144 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,145 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,151 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,153 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,154 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,156 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:33:14,195 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 10:33:14,303 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 10:33:14,304 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 10:33:14,304 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 10:33:14,305 WARN L623 FunctionHandler]: Unknown extern function queue_delayed_work_on [2022-12-14 10:33:14,305 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,309 WARN L623 FunctionHandler]: Unknown extern function __ieee80211_get_channel [2022-12-14 10:33:14,309 WARN L623 FunctionHandler]: Unknown extern function cfg80211_inform_bss_width [2022-12-14 10:33:14,315 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 10:33:14,315 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 10:33:14,316 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,316 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,317 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,318 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:33:14,318 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:14,319 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 10:33:14,320 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 10:33:14,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,321 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,322 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:33:14,322 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:14,322 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 10:33:14,323 WARN L623 FunctionHandler]: Unknown extern function rndis_command [2022-12-14 10:33:14,323 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 10:33:14,324 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,325 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,326 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,327 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:14,328 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:14,328 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,329 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:14,331 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,332 WARN L623 FunctionHandler]: Unknown extern function msleep [2022-12-14 10:33:14,332 WARN L623 FunctionHandler]: Unknown extern function get_random_bytes [2022-12-14 10:33:14,333 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,334 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:14,335 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,336 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,336 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:14,337 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,337 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:14,338 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,339 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,340 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,341 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,342 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,343 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,344 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,345 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:14,345 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:14,346 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,347 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,348 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,349 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,350 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,350 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,352 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,355 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,357 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,359 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:14,361 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:14,361 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,362 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:14,362 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,364 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,364 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:14,365 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,365 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:14,366 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,368 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:14,369 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,369 WARN L623 FunctionHandler]: Unknown extern function krealloc [2022-12-14 10:33:14,370 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:14,372 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,373 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,376 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,377 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,379 WARN L623 FunctionHandler]: Unknown extern function cfg80211_put_bss [2022-12-14 10:33:14,381 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,381 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:14,382 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,383 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,383 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:14,384 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,384 WARN L623 FunctionHandler]: Unknown extern function cfg80211_scan_done [2022-12-14 10:33:14,386 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 10:33:14,386 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 10:33:14,387 WARN L623 FunctionHandler]: Unknown extern function netdev_err [2022-12-14 10:33:14,387 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,388 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,388 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,389 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,390 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,390 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,391 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,392 WARN L623 FunctionHandler]: Unknown extern function usbnet_pause_rx [2022-12-14 10:33:14,392 WARN L623 FunctionHandler]: Unknown extern function usbnet_purge_paused_rxq [2022-12-14 10:33:14,419 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,421 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,422 WARN L623 FunctionHandler]: Unknown extern function ieee80211_frequency_to_channel [2022-12-14 10:33:14,423 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,424 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,424 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,425 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,426 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,428 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,428 WARN L623 FunctionHandler]: Unknown extern function usbnet_purge_paused_rxq [2022-12-14 10:33:14,429 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume_rx [2022-12-14 10:33:14,429 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,431 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,433 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,435 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,436 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,438 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,444 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,446 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,448 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,450 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,451 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,453 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,454 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:14,455 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,456 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,457 WARN L623 FunctionHandler]: Unknown extern function cfg80211_put_bss [2022-12-14 10:33:14,459 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:14,460 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 10:33:14,461 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,462 WARN L623 FunctionHandler]: Unknown extern function cfg80211_connect_result [2022-12-14 10:33:14,462 WARN L623 FunctionHandler]: Unknown extern function cfg80211_roamed [2022-12-14 10:33:14,463 WARN L623 FunctionHandler]: Unknown extern function cfg80211_ibss_joined [2022-12-14 10:33:14,463 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:14,463 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume_rx [2022-12-14 10:33:14,464 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_on [2022-12-14 10:33:14,464 WARN L623 FunctionHandler]: Unknown extern function cfg80211_disconnected [2022-12-14 10:33:14,465 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 10:33:14,466 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:14,468 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:14,468 WARN L623 FunctionHandler]: Unknown extern function cfg80211_michael_mic_failure [2022-12-14 10:33:14,469 WARN L623 FunctionHandler]: Unknown extern function cfg80211_michael_mic_failure [2022-12-14 10:33:14,469 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:14,470 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:14,470 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:14,471 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,472 WARN L623 FunctionHandler]: Unknown extern function cfg80211_pmksa_candidate_notify [2022-12-14 10:33:14,472 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:14,473 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:14,473 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:14,474 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:14,474 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:14,476 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,476 WARN L623 FunctionHandler]: Unknown extern function usbnet_pause_rx [2022-12-14 10:33:14,476 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:14,476 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:14,477 WARN L623 FunctionHandler]: Unknown extern function netdev_info [2022-12-14 10:33:14,480 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,481 WARN L623 FunctionHandler]: Unknown extern function cfg80211_cqm_rssi_notify [2022-12-14 10:33:14,483 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,484 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 10:33:14,484 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 10:33:14,485 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 10:33:14,485 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 10:33:14,489 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:33:14,489 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:33:14,490 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:33:14,490 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 10:33:14,491 WARN L623 FunctionHandler]: Unknown extern function wiphy_new [2022-12-14 10:33:14,509 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 10:33:14,509 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 10:33:14,509 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:33:14,510 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:33:14,510 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:33:14,510 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:33:14,511 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:33:14,511 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 10:33:14,511 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 10:33:14,512 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 10:33:14,512 WARN L623 FunctionHandler]: Unknown extern function generic_rndis_bind [2022-12-14 10:33:14,514 WARN L623 FunctionHandler]: Unknown extern function wiphy_register [2022-12-14 10:33:14,514 WARN L623 FunctionHandler]: Unknown extern function netif_carrier_off [2022-12-14 10:33:14,514 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 10:33:14,515 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 10:33:14,515 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 10:33:14,515 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 10:33:14,515 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 10:33:14,515 WARN L623 FunctionHandler]: Unknown extern function wiphy_free [2022-12-14 10:33:14,516 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 10:33:14,516 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 10:33:14,516 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 10:33:14,516 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 10:33:14,516 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 10:33:14,517 WARN L623 FunctionHandler]: Unknown extern function rndis_unbind [2022-12-14 10:33:14,517 WARN L623 FunctionHandler]: Unknown extern function wiphy_unregister [2022-12-14 10:33:14,517 WARN L623 FunctionHandler]: Unknown extern function wiphy_free [2022-12-14 10:33:14,518 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,518 WARN L623 FunctionHandler]: Unknown extern function netdev_warn [2022-12-14 10:33:14,518 WARN L623 FunctionHandler]: Unknown extern function round_jiffies_relative [2022-12-14 10:33:14,519 WARN L623 FunctionHandler]: Unknown extern function __dynamic_netdev_dbg [2022-12-14 10:33:14,520 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 10:33:14,520 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 10:33:14,520 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 10:33:14,520 WARN L623 FunctionHandler]: Unknown extern function flush_workqueue [2022-12-14 10:33:14,521 WARN L623 FunctionHandler]: Unknown extern function cfg80211_scan_done [2022-12-14 10:33:14,530 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,531 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,531 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,531 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,531 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,531 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,531 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,532 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,533 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,533 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,533 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,533 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,533 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,533 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,534 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,534 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,534 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,534 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,534 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,534 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,534 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,535 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,535 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,535 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,535 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,535 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,535 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,536 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,536 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,536 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,546 WARN L623 FunctionHandler]: Unknown extern function usbnet_stop [2022-12-14 10:33:14,547 WARN L623 FunctionHandler]: Unknown extern function usbnet_tx_timeout [2022-12-14 10:33:14,547 WARN L623 FunctionHandler]: Unknown extern function eth_validate_addr [2022-12-14 10:33:14,547 WARN L623 FunctionHandler]: Unknown extern function usbnet_open [2022-12-14 10:33:14,548 WARN L623 FunctionHandler]: Unknown extern function eth_mac_addr [2022-12-14 10:33:14,548 WARN L623 FunctionHandler]: Unknown extern function usbnet_start_xmit [2022-12-14 10:33:14,550 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 10:33:14,557 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 10:33:14,557 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 10:33:14,557 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 10:33:14,558 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 10:33:14,558 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 10:33:14,559 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 10:33:14,559 WARN L623 FunctionHandler]: Unknown extern function rndis_rx_fixup [2022-12-14 10:33:14,559 WARN L623 FunctionHandler]: Unknown extern function rndis_status [2022-12-14 10:33:14,560 WARN L623 FunctionHandler]: Unknown extern function rndis_tx_fixup [2022-12-14 10:33:14,585 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 10:33:14,585 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 10:33:14,586 WARN L623 FunctionHandler]: Unknown extern function usbnet_probe [2022-12-14 10:33:14,587 WARN L623 FunctionHandler]: Unknown extern function usbnet_disconnect [2022-12-14 10:33:14,587 WARN L623 FunctionHandler]: Unknown extern function usbnet_resume [2022-12-14 10:33:14,587 WARN L623 FunctionHandler]: Unknown extern function usbnet_suspend [2022-12-14 10:33:14,587 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_usb_register_driver [2022-12-14 10:33:14,590 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 10:33:14,591 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 10:33:14,592 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 10:33:14,594 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 10:33:14,594 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 10:33:14,595 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 10:33:14,609 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_dbf629f0-6f13-471b-ab9a-28c09ee04120/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2022-12-14 10:33:14,610 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_dbf629f0-6f13-471b-ab9a-28c09ee04120/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2022-12-14 10:33:14,610 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_dbf629f0-6f13-471b-ab9a-28c09ee04120/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2022-12-14 10:33:14,610 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_dbf629f0-6f13-471b-ab9a-28c09ee04120/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2022-12-14 10:33:14,611 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,611 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,612 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,613 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,614 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,615 WARN L623 FunctionHandler]: Unknown extern function ldv_malloc [2022-12-14 10:33:14,615 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 10:33:14,747 INFO L208 MainTranslator]: Completed translation [2022-12-14 10:33:14,747 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:33:14 WrapperNode [2022-12-14 10:33:14,747 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 10:33:14,748 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 10:33:14,748 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 10:33:14,748 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 10:33:14,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:33:14" (1/1) ... [2022-12-14 10:33:14,838 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:33:14" (1/1) ... [2022-12-14 10:33:15,048 INFO L138 Inliner]: procedures = 473, calls = 4700, calls flagged for inlining = 228, calls inlined = 198, statements flattened = 8990 [2022-12-14 10:33:15,048 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 10:33:15,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 10:33:15,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 10:33:15,049 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 10:33:15,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:33:14" (1/1) ... [2022-12-14 10:33:15,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:33:14" (1/1) ... [2022-12-14 10:33:15,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:33:14" (1/1) ... [2022-12-14 10:33:15,096 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:33:14" (1/1) ... [2022-12-14 10:33:15,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:33:14" (1/1) ... [2022-12-14 10:33:15,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:33:14" (1/1) ... [2022-12-14 10:33:15,344 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:33:14" (1/1) ... [2022-12-14 10:33:15,368 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:33:14" (1/1) ... [2022-12-14 10:33:15,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 10:33:15,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 10:33:15,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 10:33:15,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 10:33:15,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:33:14" (1/1) ... [2022-12-14 10:33:15,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 10:33:15,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf629f0-6f13-471b-ab9a-28c09ee04120/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 10:33:15,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf629f0-6f13-471b-ab9a-28c09ee04120/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 10:33:15,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dbf629f0-6f13-471b-ab9a-28c09ee04120/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 10:33:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-12-14 10:33:15,488 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-12-14 10:33:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-12-14 10:33:15,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-12-14 10:33:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-12-14 10:33:15,488 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-12-14 10:33:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-12-14 10:33:15,489 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-12-14 10:33:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 10:33:15,489 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 10:33:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-12-14 10:33:15,489 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-12-14 10:33:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-12-14 10:33:15,489 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-12-14 10:33:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 10:33:15,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 10:33:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-12-14 10:33:15,489 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-12-14 10:33:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 10:33:15,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 10:33:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-12-14 10:33:15,489 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-12-14 10:33:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-12-14 10:33:15,490 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-12-14 10:33:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-12-14 10:33:15,490 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-12-14 10:33:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-12-14 10:33:15,490 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-12-14 10:33:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-12-14 10:33:15,490 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-12-14 10:33:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-12-14 10:33:15,490 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-12-14 10:33:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 10:33:15,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 10:33:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-12-14 10:33:15,490 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-12-14 10:33:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-12-14 10:33:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-12-14 10:33:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 10:33:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 10:33:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 10:33:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-12-14 10:33:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-12-14 10:33:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-12-14 10:33:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-12-14 10:33:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-12-14 10:33:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-12-14 10:33:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-12-14 10:33:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-12-14 10:33:15,491 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 10:33:15,491 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 10:33:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-12-14 10:33:15,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-12-14 10:33:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-12-14 10:33:15,492 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-12-14 10:33:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-12-14 10:33:15,492 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-12-14 10:33:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-12-14 10:33:15,492 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-12-14 10:33:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 10:33:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-12-14 10:33:15,492 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-12-14 10:33:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-12-14 10:33:15,492 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-12-14 10:33:15,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 10:33:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 10:33:15,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 10:33:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-12-14 10:33:15,493 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-12-14 10:33:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-12-14 10:33:15,493 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-12-14 10:33:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 10:33:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-12-14 10:33:15,493 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-12-14 10:33:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 10:33:15,493 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 10:33:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 10:33:15,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 10:33:15,493 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-12-14 10:33:15,493 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-12-14 10:33:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 10:33:15,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 10:33:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-12-14 10:33:15,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-12-14 10:33:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-12-14 10:33:15,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-12-14 10:33:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 10:33:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-12-14 10:33:15,494 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-12-14 10:33:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-12-14 10:33:15,494 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-12-14 10:33:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 10:33:15,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 10:33:15,494 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-12-14 10:33:15,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-12-14 10:33:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 10:33:15,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 10:33:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 10:33:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-12-14 10:33:15,495 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-12-14 10:33:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 10:33:15,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 10:33:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-12-14 10:33:15,495 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-12-14 10:33:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 10:33:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-12-14 10:33:15,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-12-14 10:33:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-12-14 10:33:15,495 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-12-14 10:33:15,495 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 10:33:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 10:33:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-12-14 10:33:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-12-14 10:33:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-12-14 10:33:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-12-14 10:33:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-14 10:33:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-14 10:33:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-12-14 10:33:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-12-14 10:33:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-12-14 10:33:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-12-14 10:33:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 10:33:15,496 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 10:33:15,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 10:33:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 10:33:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 10:33:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 10:33:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-14 10:33:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-14 10:33:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 10:33:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 10:33:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 10:33:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 10:33:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-12-14 10:33:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-12-14 10:33:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-12-14 10:33:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-12-14 10:33:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-12-14 10:33:15,497 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-12-14 10:33:15,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 10:33:15,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 10:33:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-12-14 10:33:15,498 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-12-14 10:33:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-12-14 10:33:15,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-12-14 10:33:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-12-14 10:33:15,498 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-12-14 10:33:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-12-14 10:33:15,498 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-12-14 10:33:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-12-14 10:33:15,498 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-12-14 10:33:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-12-14 10:33:15,498 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-12-14 10:33:15,498 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 10:33:15,498 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 10:33:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-12-14 10:33:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-12-14 10:33:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 10:33:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 10:33:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 10:33:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 10:33:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-12-14 10:33:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-12-14 10:33:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 10:33:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 10:33:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 10:33:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-12-14 10:33:15,499 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-12-14 10:33:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 10:33:15,499 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-12-14 10:33:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-12-14 10:33:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-12-14 10:33:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-12-14 10:33:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-12-14 10:33:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-12-14 10:33:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-12-14 10:33:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-12-14 10:33:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 10:33:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-12-14 10:33:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-12-14 10:33:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 10:33:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 10:33:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-12-14 10:33:15,500 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-12-14 10:33:15,500 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 10:33:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 10:33:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-12-14 10:33:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-12-14 10:33:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-12-14 10:33:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-12-14 10:33:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 10:33:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 10:33:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 10:33:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 10:33:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-12-14 10:33:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-12-14 10:33:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-12-14 10:33:15,501 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-12-14 10:33:15,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 10:33:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 10:33:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-12-14 10:33:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-12-14 10:33:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-12-14 10:33:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-12-14 10:33:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-12-14 10:33:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-12-14 10:33:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 10:33:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 10:33:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-12-14 10:33:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-12-14 10:33:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-12-14 10:33:15,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-12-14 10:33:15,502 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-12-14 10:33:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-12-14 10:33:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 10:33:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-12-14 10:33:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-12-14 10:33:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 10:33:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 10:33:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-12-14 10:33:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-12-14 10:33:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-12-14 10:33:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-12-14 10:33:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 10:33:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 10:33:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-12-14 10:33:15,503 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-12-14 10:33:15,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 10:33:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 10:33:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 10:33:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 10:33:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-12-14 10:33:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-12-14 10:33:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-12-14 10:33:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-12-14 10:33:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-12-14 10:33:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-12-14 10:33:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-12-14 10:33:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-12-14 10:33:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-12-14 10:33:15,504 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-12-14 10:33:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-12-14 10:33:15,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 10:33:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-12-14 10:33:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-12-14 10:33:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-12-14 10:33:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-12-14 10:33:15,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 10:33:15,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 10:33:16,223 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 10:33:16,226 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 10:33:16,565 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 10:33:32,391 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 10:33:32,638 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 10:33:33,763 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 10:33:33,763 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 10:33:33,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:33:33 BoogieIcfgContainer [2022-12-14 10:33:33,769 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 10:33:33,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 10:33:33,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 10:33:33,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 10:33:33,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:33:11" (1/3) ... [2022-12-14 10:33:33,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a89d6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:33:33, skipping insertion in model container [2022-12-14 10:33:33,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:33:14" (2/3) ... [2022-12-14 10:33:33,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a89d6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:33:33, skipping insertion in model container [2022-12-14 10:33:33,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:33:33" (3/3) ... [2022-12-14 10:33:33,776 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2022-12-14 10:33:33,792 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 10:33:33,792 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 10:33:33,876 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 10:33:33,881 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;@3a284444, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 10:33:33,881 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 10:33:33,894 INFO L276 IsEmpty]: Start isEmpty. Operand has 2039 states, 1232 states have (on average 1.3133116883116882) internal successors, (1618), 1236 states have internal predecessors, (1618), 689 states have call successors, (689), 116 states have call predecessors, (689), 115 states have return successors, (681), 681 states have call predecessors, (681), 681 states have call successors, (681) [2022-12-14 10:33:33,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2022-12-14 10:33:33,915 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:33:33,915 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] [2022-12-14 10:33:33,916 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:33:33,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:33:33,920 INFO L85 PathProgramCache]: Analyzing trace with hash -62321690, now seen corresponding path program 1 times [2022-12-14 10:33:33,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:33:33,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452179984] [2022-12-14 10:33:33,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:33:33,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:33:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:33:34,862 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 10:33:34,862 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:33:34,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452179984] [2022-12-14 10:33:34,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452179984] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:33:34,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:33:34,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:33:34,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447958775] [2022-12-14 10:33:34,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:33:34,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:33:34,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:33:34,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:33:34,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:33:34,900 INFO L87 Difference]: Start difference. First operand has 2039 states, 1232 states have (on average 1.3133116883116882) internal successors, (1618), 1236 states have internal predecessors, (1618), 689 states have call successors, (689), 116 states have call predecessors, (689), 115 states have return successors, (681), 681 states have call predecessors, (681), 681 states have call successors, (681) Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 10:33:38,088 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 10:33:40,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:33:40,018 INFO L93 Difference]: Finished difference Result 5880 states and 8673 transitions. [2022-12-14 10:33:40,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:33:40,020 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 385 [2022-12-14 10:33:40,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:33:40,048 INFO L225 Difference]: With dead ends: 5880 [2022-12-14 10:33:40,048 INFO L226 Difference]: Without dead ends: 3902 [2022-12-14 10:33:40,068 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 10:33:40,071 INFO L413 NwaCegarLoop]: 3211 mSDtfsCounter, 2768 mSDsluCounter, 2498 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2768 SdHoareTripleChecker+Valid, 5709 SdHoareTripleChecker+Invalid, 923 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 10:33:40,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2768 Valid, 5709 Invalid, 923 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 909 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 10:33:40,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3902 states. [2022-12-14 10:33:40,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3902 to 3898. [2022-12-14 10:33:40,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3898 states, 2380 states have (on average 1.3096638655462185) internal successors, (3117), 2387 states have internal predecessors, (3117), 1289 states have call successors, (1289), 227 states have call predecessors, (1289), 226 states have return successors, (1285), 1285 states have call predecessors, (1285), 1285 states have call successors, (1285) [2022-12-14 10:33:40,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3898 states to 3898 states and 5691 transitions. [2022-12-14 10:33:40,316 INFO L78 Accepts]: Start accepts. Automaton has 3898 states and 5691 transitions. Word has length 385 [2022-12-14 10:33:40,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:33:40,318 INFO L495 AbstractCegarLoop]: Abstraction has 3898 states and 5691 transitions. [2022-12-14 10:33:40,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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 10:33:40,318 INFO L276 IsEmpty]: Start isEmpty. Operand 3898 states and 5691 transitions. [2022-12-14 10:33:40,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-12-14 10:33:40,328 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:33:40,328 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:33:40,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 10:33:40,329 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:33:40,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:33:40,329 INFO L85 PathProgramCache]: Analyzing trace with hash -291409420, now seen corresponding path program 1 times [2022-12-14 10:33:40,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:33:40,330 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085245890] [2022-12-14 10:33:40,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:33:40,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:33:40,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:33:40,805 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 10:33:40,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:33:40,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085245890] [2022-12-14 10:33:40,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085245890] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:33:40,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:33:40,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:33:40,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179535603] [2022-12-14 10:33:40,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:33:40,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:33:40,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:33:40,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:33:40,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:33:40,810 INFO L87 Difference]: Start difference. First operand 3898 states and 5691 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 10:33:43,822 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 10:33:45,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:33:45,724 INFO L93 Difference]: Finished difference Result 9573 states and 13957 transitions. [2022-12-14 10:33:45,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:33:45,725 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 425 [2022-12-14 10:33:45,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:33:45,754 INFO L225 Difference]: With dead ends: 9573 [2022-12-14 10:33:45,754 INFO L226 Difference]: Without dead ends: 5748 [2022-12-14 10:33:45,768 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 10:33:45,769 INFO L413 NwaCegarLoop]: 3195 mSDtfsCounter, 2732 mSDsluCounter, 2493 mSDsCounter, 0 mSdLazyCounter, 911 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2732 SdHoareTripleChecker+Valid, 5688 SdHoareTripleChecker+Invalid, 925 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 911 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-14 10:33:45,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2732 Valid, 5688 Invalid, 925 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 911 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2022-12-14 10:33:45,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5748 states. [2022-12-14 10:33:45,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5748 to 5722. [2022-12-14 10:33:45,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5722 states, 3508 states have (on average 1.3078677309007982) internal successors, (4588), 3521 states have internal predecessors, (4588), 1869 states have call successors, (1869), 343 states have call predecessors, (1869), 342 states have return successors, (1865), 1860 states have call predecessors, (1865), 1865 states have call successors, (1865) [2022-12-14 10:33:45,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5722 states to 5722 states and 8322 transitions. [2022-12-14 10:33:45,964 INFO L78 Accepts]: Start accepts. Automaton has 5722 states and 8322 transitions. Word has length 425 [2022-12-14 10:33:45,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:33:45,966 INFO L495 AbstractCegarLoop]: Abstraction has 5722 states and 8322 transitions. [2022-12-14 10:33:45,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 10:33:45,966 INFO L276 IsEmpty]: Start isEmpty. Operand 5722 states and 8322 transitions. [2022-12-14 10:33:45,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-12-14 10:33:45,979 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:33:45,980 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:33:45,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 10:33:45,980 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:33:45,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:33:45,980 INFO L85 PathProgramCache]: Analyzing trace with hash 352891091, now seen corresponding path program 1 times [2022-12-14 10:33:45,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:33:45,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956554231] [2022-12-14 10:33:45,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:33:45,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:33:46,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:33:46,413 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 10:33:46,413 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:33:46,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956554231] [2022-12-14 10:33:46,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956554231] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:33:46,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:33:46,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:33:46,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [454983908] [2022-12-14 10:33:46,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:33:46,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:33:46,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:33:46,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:33:46,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:33:46,416 INFO L87 Difference]: Start difference. First operand 5722 states and 8322 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 10:33:49,305 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 10:33:51,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:33:51,077 INFO L93 Difference]: Finished difference Result 15045 states and 21860 transitions. [2022-12-14 10:33:51,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:33:51,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 423 [2022-12-14 10:33:51,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:33:51,116 INFO L225 Difference]: With dead ends: 15045 [2022-12-14 10:33:51,116 INFO L226 Difference]: Without dead ends: 9396 [2022-12-14 10:33:51,133 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 10:33:51,134 INFO L413 NwaCegarLoop]: 3236 mSDtfsCounter, 2734 mSDsluCounter, 2493 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2734 SdHoareTripleChecker+Valid, 5729 SdHoareTripleChecker+Invalid, 937 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:33:51,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2734 Valid, 5729 Invalid, 937 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 923 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 10:33:51,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9396 states. [2022-12-14 10:33:51,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9396 to 9370. [2022-12-14 10:33:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9370 states, 5764 states have (on average 1.306384455239417) internal successors, (7530), 5789 states have internal predecessors, (7530), 3029 states have call successors, (3029), 575 states have call predecessors, (3029), 574 states have return successors, (3025), 3010 states have call predecessors, (3025), 3025 states have call successors, (3025) [2022-12-14 10:33:51,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9370 states to 9370 states and 13584 transitions. [2022-12-14 10:33:51,575 INFO L78 Accepts]: Start accepts. Automaton has 9370 states and 13584 transitions. Word has length 423 [2022-12-14 10:33:51,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:33:51,575 INFO L495 AbstractCegarLoop]: Abstraction has 9370 states and 13584 transitions. [2022-12-14 10:33:51,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 10:33:51,576 INFO L276 IsEmpty]: Start isEmpty. Operand 9370 states and 13584 transitions. [2022-12-14 10:33:51,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-12-14 10:33:51,587 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:33:51,588 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, 1, 1, 1, 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 10:33:51,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 10:33:51,588 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:33:51,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:33:51,588 INFO L85 PathProgramCache]: Analyzing trace with hash 2133282687, now seen corresponding path program 1 times [2022-12-14 10:33:51,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:33:51,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362745158] [2022-12-14 10:33:51,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:33:51,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:33:51,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:33:52,164 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 10:33:52,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:33:52,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362745158] [2022-12-14 10:33:52,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362745158] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:33:52,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:33:52,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:33:52,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823107118] [2022-12-14 10:33:52,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:33:52,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:33:52,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:33:52,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:33:52,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:33:52,167 INFO L87 Difference]: Start difference. First operand 9370 states and 13584 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 10:33:55,628 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 10:33:56,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:33:56,899 INFO L93 Difference]: Finished difference Result 27510 states and 39870 transitions. [2022-12-14 10:33:56,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:33:56,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 431 [2022-12-14 10:33:56,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:33:56,983 INFO L225 Difference]: With dead ends: 27510 [2022-12-14 10:33:56,983 INFO L226 Difference]: Without dead ends: 18213 [2022-12-14 10:33:57,012 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 10:33:57,013 INFO L413 NwaCegarLoop]: 3296 mSDtfsCounter, 2689 mSDsluCounter, 2497 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 16 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2689 SdHoareTripleChecker+Valid, 5793 SdHoareTripleChecker+Invalid, 962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:33:57,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2689 Valid, 5793 Invalid, 962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 945 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 10:33:57,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18213 states. [2022-12-14 10:33:57,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18213 to 18179. [2022-12-14 10:33:57,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18179 states, 11213 states have (on average 1.3037545705877107) internal successors, (14619), 11271 states have internal predecessors, (14619), 5842 states have call successors, (5842), 1122 states have call predecessors, (5842), 1121 states have return successors, (5838), 5795 states have call predecessors, (5838), 5838 states have call successors, (5838) [2022-12-14 10:33:57,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18179 states to 18179 states and 26299 transitions. [2022-12-14 10:33:57,677 INFO L78 Accepts]: Start accepts. Automaton has 18179 states and 26299 transitions. Word has length 431 [2022-12-14 10:33:57,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:33:57,678 INFO L495 AbstractCegarLoop]: Abstraction has 18179 states and 26299 transitions. [2022-12-14 10:33:57,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 10:33:57,679 INFO L276 IsEmpty]: Start isEmpty. Operand 18179 states and 26299 transitions. [2022-12-14 10:33:57,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2022-12-14 10:33:57,685 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:33:57,686 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:33:57,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 10:33:57,686 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:33:57,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:33:57,686 INFO L85 PathProgramCache]: Analyzing trace with hash -574900833, now seen corresponding path program 1 times [2022-12-14 10:33:57,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:33:57,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118359051] [2022-12-14 10:33:57,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:33:57,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:33:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:33:58,001 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 10:33:58,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:33:58,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118359051] [2022-12-14 10:33:58,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118359051] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:33:58,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:33:58,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:33:58,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700240033] [2022-12-14 10:33:58,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:33:58,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:33:58,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:33:58,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:33:58,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:33:58,003 INFO L87 Difference]: Start difference. First operand 18179 states and 26299 transitions. Second operand has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 10:34:00,712 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 10:34:03,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:34:03,424 INFO L93 Difference]: Finished difference Result 49251 states and 71259 transitions. [2022-12-14 10:34:03,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:34:03,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 424 [2022-12-14 10:34:03,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:34:03,526 INFO L225 Difference]: With dead ends: 49251 [2022-12-14 10:34:03,526 INFO L226 Difference]: Without dead ends: 31145 [2022-12-14 10:34:03,571 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 10:34:03,572 INFO L413 NwaCegarLoop]: 3426 mSDtfsCounter, 2733 mSDsluCounter, 2493 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2733 SdHoareTripleChecker+Valid, 5919 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:34:03,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2733 Valid, 5919 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 986 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 10:34:03,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31145 states. [2022-12-14 10:34:04,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31145 to 31117. [2022-12-14 10:34:04,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31117 states, 19244 states have (on average 1.302431926834338) internal successors, (25064), 19358 states have internal predecessors, (25064), 9937 states have call successors, (9937), 1934 states have call predecessors, (9937), 1933 states have return successors, (9933), 9842 states have call predecessors, (9933), 9933 states have call successors, (9933) [2022-12-14 10:34:04,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31117 states to 31117 states and 44934 transitions. [2022-12-14 10:34:04,774 INFO L78 Accepts]: Start accepts. Automaton has 31117 states and 44934 transitions. Word has length 424 [2022-12-14 10:34:04,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:34:04,775 INFO L495 AbstractCegarLoop]: Abstraction has 31117 states and 44934 transitions. [2022-12-14 10:34:04,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 3 states have call successors, (49), 2 states have call predecessors, (49), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 10:34:04,775 INFO L276 IsEmpty]: Start isEmpty. Operand 31117 states and 44934 transitions. [2022-12-14 10:34:04,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 433 [2022-12-14 10:34:04,781 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:34:04,781 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 10:34:04,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 10:34:04,782 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:34:04,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:34:04,782 INFO L85 PathProgramCache]: Analyzing trace with hash -391162607, now seen corresponding path program 1 times [2022-12-14 10:34:04,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:34:04,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818896140] [2022-12-14 10:34:04,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:34:04,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:34:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:34:05,603 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 10:34:05,603 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:34:05,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818896140] [2022-12-14 10:34:05,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818896140] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:34:05,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:34:05,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:34:05,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392931640] [2022-12-14 10:34:05,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:34:05,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:34:05,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:34:05,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:34:05,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:34:05,605 INFO L87 Difference]: Start difference. First operand 31117 states and 44934 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 10:34:08,934 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 10:34:13,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:34:13,350 INFO L93 Difference]: Finished difference Result 59367 states and 85751 transitions. [2022-12-14 10:34:13,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:34:13,350 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 10:34:13,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:34:13,547 INFO L225 Difference]: With dead ends: 59367 [2022-12-14 10:34:13,547 INFO L226 Difference]: Without dead ends: 59365 [2022-12-14 10:34:13,568 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 10:34:13,569 INFO L413 NwaCegarLoop]: 3564 mSDtfsCounter, 2846 mSDsluCounter, 9524 mSDsCounter, 0 mSdLazyCounter, 2110 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2856 SdHoareTripleChecker+Valid, 13088 SdHoareTripleChecker+Invalid, 2112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2110 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:34:13,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2856 Valid, 13088 Invalid, 2112 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2110 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2022-12-14 10:34:13,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59365 states. [2022-12-14 10:34:15,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59365 to 59359. [2022-12-14 10:34:15,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59359 states, 36684 states have (on average 1.3032929887689455) internal successors, (47810), 36906 states have internal predecessors, (47810), 18972 states have call successors, (18972), 3702 states have call predecessors, (18972), 3700 states have return successors, (18964), 18784 states have call predecessors, (18964), 18964 states have call successors, (18964) [2022-12-14 10:34:15,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59359 states to 59359 states and 85746 transitions. [2022-12-14 10:34:15,787 INFO L78 Accepts]: Start accepts. Automaton has 59359 states and 85746 transitions. Word has length 432 [2022-12-14 10:34:15,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:34:15,787 INFO L495 AbstractCegarLoop]: Abstraction has 59359 states and 85746 transitions. [2022-12-14 10:34:15,787 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 10:34:15,787 INFO L276 IsEmpty]: Start isEmpty. Operand 59359 states and 85746 transitions. [2022-12-14 10:34:15,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2022-12-14 10:34:15,794 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:34:15,795 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 10:34:15,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 10:34:15,795 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:34:15,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:34:15,795 INFO L85 PathProgramCache]: Analyzing trace with hash -2109940964, now seen corresponding path program 1 times [2022-12-14 10:34:15,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:34:15,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7947373] [2022-12-14 10:34:15,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:34:15,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:34:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:34:16,575 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 10:34:16,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:34:16,575 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7947373] [2022-12-14 10:34:16,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7947373] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:34:16,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:34:16,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:34:16,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172776854] [2022-12-14 10:34:16,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:34:16,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:34:16,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:34:16,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:34:16,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:34:16,578 INFO L87 Difference]: Start difference. First operand 59359 states and 85746 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 10:34:19,785 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 10:34:25,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:34:25,006 INFO L93 Difference]: Finished difference Result 87532 states and 126357 transitions. [2022-12-14 10:34:25,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:34:25,007 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 10:34:25,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:34:25,381 INFO L225 Difference]: With dead ends: 87532 [2022-12-14 10:34:25,381 INFO L226 Difference]: Without dead ends: 87530 [2022-12-14 10:34:25,410 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 10:34:25,410 INFO L413 NwaCegarLoop]: 3564 mSDtfsCounter, 2817 mSDsluCounter, 9503 mSDsCounter, 0 mSdLazyCounter, 2107 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2826 SdHoareTripleChecker+Valid, 13067 SdHoareTripleChecker+Invalid, 2110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2107 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-12-14 10:34:25,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2826 Valid, 13067 Invalid, 2110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2107 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2022-12-14 10:34:25,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87530 states. [2022-12-14 10:34:28,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87530 to 87511. [2022-12-14 10:34:28,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87511 states, 54022 states have (on average 1.3028395838732367) internal successors, (70382), 54367 states have internal predecessors, (70382), 27952 states have call successors, (27952), 5537 states have call predecessors, (27952), 5534 states have return successors, (28003), 27656 states have call predecessors, (28003), 27940 states have call successors, (28003) [2022-12-14 10:34:28,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87511 states to 87511 states and 126337 transitions. [2022-12-14 10:34:28,691 INFO L78 Accepts]: Start accepts. Automaton has 87511 states and 126337 transitions. Word has length 437 [2022-12-14 10:34:28,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:34:28,692 INFO L495 AbstractCegarLoop]: Abstraction has 87511 states and 126337 transitions. [2022-12-14 10:34:28,692 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 10:34:28,692 INFO L276 IsEmpty]: Start isEmpty. Operand 87511 states and 126337 transitions. [2022-12-14 10:34:28,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2022-12-14 10:34:28,700 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:34:28,700 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 10:34:28,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 10:34:28,701 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:34:28,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:34:28,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1793754191, now seen corresponding path program 1 times [2022-12-14 10:34:28,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:34:28,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820771610] [2022-12-14 10:34:28,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:34:28,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:34:28,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:34:29,457 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 10:34:29,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:34:29,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820771610] [2022-12-14 10:34:29,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820771610] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:34:29,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:34:29,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:34:29,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312609643] [2022-12-14 10:34:29,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:34:29,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:34:29,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:34:29,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:34:29,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:34:29,461 INFO L87 Difference]: Start difference. First operand 87511 states and 126337 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 10:34:32,611 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 10:34:37,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:34:37,872 INFO L93 Difference]: Finished difference Result 87523 states and 126345 transitions. [2022-12-14 10:34:37,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:34:37,873 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 10:34:37,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:34:38,180 INFO L225 Difference]: With dead ends: 87523 [2022-12-14 10:34:38,180 INFO L226 Difference]: Without dead ends: 87521 [2022-12-14 10:34:38,214 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 10:34:38,214 INFO L413 NwaCegarLoop]: 3568 mSDtfsCounter, 2843 mSDsluCounter, 9526 mSDsCounter, 0 mSdLazyCounter, 2117 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2851 SdHoareTripleChecker+Valid, 13094 SdHoareTripleChecker+Invalid, 2119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:34:38,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2851 Valid, 13094 Invalid, 2119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2117 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-12-14 10:34:38,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87521 states. [2022-12-14 10:34:41,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87521 to 87515. [2022-12-14 10:34:41,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87515 states, 54025 states have (on average 1.30282276723739) internal successors, (70385), 54370 states have internal predecessors, (70385), 27952 states have call successors, (27952), 5538 states have call predecessors, (27952), 5535 states have return successors, (28003), 27656 states have call predecessors, (28003), 27940 states have call successors, (28003) [2022-12-14 10:34:41,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87515 states to 87515 states and 126340 transitions. [2022-12-14 10:34:41,773 INFO L78 Accepts]: Start accepts. Automaton has 87515 states and 126340 transitions. Word has length 442 [2022-12-14 10:34:41,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:34:41,774 INFO L495 AbstractCegarLoop]: Abstraction has 87515 states and 126340 transitions. [2022-12-14 10:34:41,774 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, (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 10:34:41,774 INFO L276 IsEmpty]: Start isEmpty. Operand 87515 states and 126340 transitions. [2022-12-14 10:34:41,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2022-12-14 10:34:41,782 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:34:41,783 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 10:34:41,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 10:34:41,783 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:34:41,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:34:41,783 INFO L85 PathProgramCache]: Analyzing trace with hash -144442250, now seen corresponding path program 1 times [2022-12-14 10:34:41,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:34:41,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118357666] [2022-12-14 10:34:41,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:34:41,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:34:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:34:42,426 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 10:34:42,426 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:34:42,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118357666] [2022-12-14 10:34:42,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118357666] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:34:42,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:34:42,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:34:42,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758835037] [2022-12-14 10:34:42,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:34:42,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:34:42,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:34:42,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:34:42,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:34:42,428 INFO L87 Difference]: Start difference. First operand 87515 states and 126340 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 10:34:45,499 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 10:34:50,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:34:50,928 INFO L93 Difference]: Finished difference Result 87527 states and 126348 transitions. [2022-12-14 10:34:50,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:34:50,929 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 10:34:50,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:34:51,269 INFO L225 Difference]: With dead ends: 87527 [2022-12-14 10:34:51,269 INFO L226 Difference]: Without dead ends: 87525 [2022-12-14 10:34:51,316 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 10:34:51,317 INFO L413 NwaCegarLoop]: 3568 mSDtfsCounter, 2843 mSDsluCounter, 9526 mSDsCounter, 0 mSdLazyCounter, 2117 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2850 SdHoareTripleChecker+Valid, 13094 SdHoareTripleChecker+Invalid, 2119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:34:51,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2850 Valid, 13094 Invalid, 2119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2117 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2022-12-14 10:34:51,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87525 states. [2022-12-14 10:34:54,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87525 to 87519. [2022-12-14 10:34:54,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87519 states, 54028 states have (on average 1.30280595246909) internal successors, (70388), 54373 states have internal predecessors, (70388), 27952 states have call successors, (27952), 5539 states have call predecessors, (27952), 5536 states have return successors, (28003), 27656 states have call predecessors, (28003), 27940 states have call successors, (28003) [2022-12-14 10:34:54,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87519 states to 87519 states and 126343 transitions. [2022-12-14 10:34:54,845 INFO L78 Accepts]: Start accepts. Automaton has 87519 states and 126343 transitions. Word has length 448 [2022-12-14 10:34:54,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:34:54,845 INFO L495 AbstractCegarLoop]: Abstraction has 87519 states and 126343 transitions. [2022-12-14 10:34:54,845 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 10:34:54,845 INFO L276 IsEmpty]: Start isEmpty. Operand 87519 states and 126343 transitions. [2022-12-14 10:34:54,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-12-14 10:34:54,854 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:34:54,855 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 5, 5, 5, 4, 4, 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] [2022-12-14 10:34:54,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 10:34:54,855 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:34:54,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:34:54,855 INFO L85 PathProgramCache]: Analyzing trace with hash 705253911, now seen corresponding path program 1 times [2022-12-14 10:34:54,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:34:54,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537959500] [2022-12-14 10:34:54,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:34:54,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:34:54,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:34:55,436 INFO L134 CoverageAnalysis]: Checked inductivity of 5407 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 5399 trivial. 0 not checked. [2022-12-14 10:34:55,436 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:34:55,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537959500] [2022-12-14 10:34:55,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537959500] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:34:55,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:34:55,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:34:55,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833612215] [2022-12-14 10:34:55,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:34:55,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:34:55,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:34:55,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:34:55,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:34:55,439 INFO L87 Difference]: Start difference. First operand 87519 states and 126343 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, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-12-14 10:34:58,677 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 10:35:04,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:35:04,449 INFO L93 Difference]: Finished difference Result 87531 states and 126351 transitions. [2022-12-14 10:35:04,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:35:04,450 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, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 453 [2022-12-14 10:35:04,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:35:04,822 INFO L225 Difference]: With dead ends: 87531 [2022-12-14 10:35:04,823 INFO L226 Difference]: Without dead ends: 87529 [2022-12-14 10:35:04,859 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 10:35:04,860 INFO L413 NwaCegarLoop]: 3568 mSDtfsCounter, 2843 mSDsluCounter, 9526 mSDsCounter, 0 mSdLazyCounter, 2117 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2849 SdHoareTripleChecker+Valid, 13094 SdHoareTripleChecker+Invalid, 2119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:35:04,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2849 Valid, 13094 Invalid, 2119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2117 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-12-14 10:35:04,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87529 states. [2022-12-14 10:35:07,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87529 to 87523. [2022-12-14 10:35:08,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87523 states, 54031 states have (on average 1.3027891395680258) internal successors, (70391), 54376 states have internal predecessors, (70391), 27952 states have call successors, (27952), 5540 states have call predecessors, (27952), 5537 states have return successors, (28003), 27656 states have call predecessors, (28003), 27940 states have call successors, (28003) [2022-12-14 10:35:08,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87523 states to 87523 states and 126346 transitions. [2022-12-14 10:35:08,392 INFO L78 Accepts]: Start accepts. Automaton has 87523 states and 126346 transitions. Word has length 453 [2022-12-14 10:35:08,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:35:08,393 INFO L495 AbstractCegarLoop]: Abstraction has 87523 states and 126346 transitions. [2022-12-14 10:35:08,393 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, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-12-14 10:35:08,393 INFO L276 IsEmpty]: Start isEmpty. Operand 87523 states and 126346 transitions. [2022-12-14 10:35:08,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-12-14 10:35:08,403 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:35:08,404 INFO L195 NwaCegarLoop]: trace histogram [38, 36, 36, 36, 36, 36, 36, 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 10:35:08,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 10:35:08,404 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:35:08,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:35:08,404 INFO L85 PathProgramCache]: Analyzing trace with hash -2130113755, now seen corresponding path program 1 times [2022-12-14 10:35:08,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:35:08,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986559939] [2022-12-14 10:35:08,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:35:08,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:35:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:35:08,901 INFO L134 CoverageAnalysis]: Checked inductivity of 5203 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 5192 trivial. 0 not checked. [2022-12-14 10:35:08,901 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:35:08,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986559939] [2022-12-14 10:35:08,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986559939] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:35:08,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:35:08,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:35:08,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463842390] [2022-12-14 10:35:08,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:35:08,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:35:08,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:35:08,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:35:08,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:35:08,903 INFO L87 Difference]: Start difference. First operand 87523 states and 126346 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-12-14 10:35:11,486 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 10:35:17,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:35:17,367 INFO L93 Difference]: Finished difference Result 214147 states and 309040 transitions. [2022-12-14 10:35:17,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:35:17,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) Word has length 453 [2022-12-14 10:35:17,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:35:17,855 INFO L225 Difference]: With dead ends: 214147 [2022-12-14 10:35:17,856 INFO L226 Difference]: Without dead ends: 126697 [2022-12-14 10:35:18,081 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 10:35:18,082 INFO L413 NwaCegarLoop]: 3701 mSDtfsCounter, 2686 mSDsluCounter, 2515 mSDsCounter, 0 mSdLazyCounter, 1020 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2686 SdHoareTripleChecker+Valid, 6216 SdHoareTripleChecker+Invalid, 1024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1020 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:35:18,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2686 Valid, 6216 Invalid, 1024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1020 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-12-14 10:35:18,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126697 states. [2022-12-14 10:35:22,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126697 to 126571. [2022-12-14 10:35:22,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126571 states, 78188 states have (on average 1.3016063846114494) internal successors, (101770), 78699 states have internal predecessors, (101770), 40383 states have call successors, (40383), 8024 states have call predecessors, (40383), 7997 states have return successors, (40453), 39920 states have call predecessors, (40453), 40371 states have call successors, (40453) [2022-12-14 10:35:23,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126571 states to 126571 states and 182606 transitions. [2022-12-14 10:35:23,270 INFO L78 Accepts]: Start accepts. Automaton has 126571 states and 182606 transitions. Word has length 453 [2022-12-14 10:35:23,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:35:23,270 INFO L495 AbstractCegarLoop]: Abstraction has 126571 states and 182606 transitions. [2022-12-14 10:35:23,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 3 states have call successors, (52), 2 states have call predecessors, (52), 1 states have return successors, (48), 3 states have call predecessors, (48), 3 states have call successors, (48) [2022-12-14 10:35:23,271 INFO L276 IsEmpty]: Start isEmpty. Operand 126571 states and 182606 transitions. [2022-12-14 10:35:23,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-12-14 10:35:23,279 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:35:23,280 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 6, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:35:23,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 10:35:23,280 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:35:23,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:35:23,280 INFO L85 PathProgramCache]: Analyzing trace with hash 2102021340, now seen corresponding path program 1 times [2022-12-14 10:35:23,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:35:23,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017059581] [2022-12-14 10:35:23,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:35:23,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:35:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:35:23,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5424 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5414 trivial. 0 not checked. [2022-12-14 10:35:23,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:35:23,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017059581] [2022-12-14 10:35:23,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017059581] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:35:23,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:35:23,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:35:23,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126953333] [2022-12-14 10:35:23,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:35:23,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:35:23,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:35:23,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:35:23,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:35:23,835 INFO L87 Difference]: Start difference. First operand 126571 states and 182606 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, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 10:35:26,930 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 10:35:34,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:35:34,525 INFO L93 Difference]: Finished difference Result 126583 states and 182614 transitions. [2022-12-14 10:35:34,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:35:34,526 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, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 457 [2022-12-14 10:35:34,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:35:34,996 INFO L225 Difference]: With dead ends: 126583 [2022-12-14 10:35:34,996 INFO L226 Difference]: Without dead ends: 126581 [2022-12-14 10:35:35,046 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 10:35:35,047 INFO L413 NwaCegarLoop]: 3755 mSDtfsCounter, 2844 mSDsluCounter, 9907 mSDsCounter, 0 mSdLazyCounter, 2217 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2849 SdHoareTripleChecker+Valid, 13662 SdHoareTripleChecker+Invalid, 2220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2217 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-12-14 10:35:35,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2849 Valid, 13662 Invalid, 2220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2217 Invalid, 1 Unknown, 0 Unchecked, 7.0s Time] [2022-12-14 10:35:35,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126581 states. [2022-12-14 10:35:39,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126581 to 126575. [2022-12-14 10:35:40,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126575 states, 78191 states have (on average 1.3015948127022292) internal successors, (101773), 78702 states have internal predecessors, (101773), 40383 states have call successors, (40383), 8025 states have call predecessors, (40383), 7998 states have return successors, (40453), 39920 states have call predecessors, (40453), 40371 states have call successors, (40453) [2022-12-14 10:35:40,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126575 states to 126575 states and 182609 transitions. [2022-12-14 10:35:40,486 INFO L78 Accepts]: Start accepts. Automaton has 126575 states and 182609 transitions. Word has length 457 [2022-12-14 10:35:40,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:35:40,486 INFO L495 AbstractCegarLoop]: Abstraction has 126575 states and 182609 transitions. [2022-12-14 10:35:40,487 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, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 10:35:40,487 INFO L276 IsEmpty]: Start isEmpty. Operand 126575 states and 182609 transitions. [2022-12-14 10:35:40,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 463 [2022-12-14 10:35:40,497 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:35:40,497 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 7, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:35:40,497 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 10:35:40,497 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:35:40,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:35:40,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1780645647, now seen corresponding path program 1 times [2022-12-14 10:35:40,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:35:40,498 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285066182] [2022-12-14 10:35:40,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:35:40,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:35:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:35:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 5446 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5434 trivial. 0 not checked. [2022-12-14 10:35:41,012 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:35:41,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285066182] [2022-12-14 10:35:41,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285066182] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:35:41,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:35:41,013 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:35:41,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735220346] [2022-12-14 10:35:41,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:35:41,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:35:41,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:35:41,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:35:41,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:35:41,015 INFO L87 Difference]: Start difference. First operand 126575 states and 182609 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, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 10:35:43,935 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 10:35:50,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:35:50,893 INFO L93 Difference]: Finished difference Result 126587 states and 182617 transitions. [2022-12-14 10:35:50,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:35:50,894 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, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 462 [2022-12-14 10:35:50,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:35:51,413 INFO L225 Difference]: With dead ends: 126587 [2022-12-14 10:35:51,413 INFO L226 Difference]: Without dead ends: 126585 [2022-12-14 10:35:51,456 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 10:35:51,457 INFO L413 NwaCegarLoop]: 3755 mSDtfsCounter, 2844 mSDsluCounter, 9907 mSDsCounter, 0 mSdLazyCounter, 2217 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2848 SdHoareTripleChecker+Valid, 13662 SdHoareTripleChecker+Invalid, 2220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2217 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:35:51,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2848 Valid, 13662 Invalid, 2220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2217 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2022-12-14 10:35:51,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126585 states. [2022-12-14 10:35:56,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126585 to 126579. [2022-12-14 10:35:56,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126579 states, 78194 states have (on average 1.3015832416809474) internal successors, (101776), 78705 states have internal predecessors, (101776), 40383 states have call successors, (40383), 8026 states have call predecessors, (40383), 7999 states have return successors, (40453), 39920 states have call predecessors, (40453), 40371 states have call successors, (40453) [2022-12-14 10:35:57,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126579 states to 126579 states and 182612 transitions. [2022-12-14 10:35:57,031 INFO L78 Accepts]: Start accepts. Automaton has 126579 states and 182612 transitions. Word has length 462 [2022-12-14 10:35:57,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:35:57,032 INFO L495 AbstractCegarLoop]: Abstraction has 126579 states and 182612 transitions. [2022-12-14 10:35:57,032 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, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 10:35:57,032 INFO L276 IsEmpty]: Start isEmpty. Operand 126579 states and 182612 transitions. [2022-12-14 10:35:57,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 468 [2022-12-14 10:35:57,043 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:35:57,043 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 8, 7, 7, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:35:57,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 10:35:57,044 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:35:57,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:35:57,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1055020612, now seen corresponding path program 1 times [2022-12-14 10:35:57,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:35:57,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915271211] [2022-12-14 10:35:57,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:35:57,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:35:57,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:35:57,559 INFO L134 CoverageAnalysis]: Checked inductivity of 5472 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5458 trivial. 0 not checked. [2022-12-14 10:35:57,559 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:35:57,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915271211] [2022-12-14 10:35:57,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915271211] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:35:57,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:35:57,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:35:57,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161260773] [2022-12-14 10:35:57,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:35:57,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:35:57,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:35:57,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:35:57,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:35:57,562 INFO L87 Difference]: Start difference. First operand 126579 states and 182612 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, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 10:36:00,625 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 10:36:08,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:36:08,773 INFO L93 Difference]: Finished difference Result 126591 states and 182620 transitions. [2022-12-14 10:36:08,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:36:08,774 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, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 467 [2022-12-14 10:36:08,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:36:09,284 INFO L225 Difference]: With dead ends: 126591 [2022-12-14 10:36:09,285 INFO L226 Difference]: Without dead ends: 126589 [2022-12-14 10:36:09,328 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 10:36:09,329 INFO L413 NwaCegarLoop]: 3755 mSDtfsCounter, 2844 mSDsluCounter, 9907 mSDsCounter, 0 mSdLazyCounter, 2217 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2847 SdHoareTripleChecker+Valid, 13662 SdHoareTripleChecker+Invalid, 2220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2217 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:36:09,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2847 Valid, 13662 Invalid, 2220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2217 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-12-14 10:36:09,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126589 states. [2022-12-14 10:36:14,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126589 to 126583. [2022-12-14 10:36:14,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126583 states, 78197 states have (on average 1.3015716715475019) internal successors, (101779), 78708 states have internal predecessors, (101779), 40383 states have call successors, (40383), 8027 states have call predecessors, (40383), 8000 states have return successors, (40453), 39920 states have call predecessors, (40453), 40371 states have call successors, (40453) [2022-12-14 10:36:14,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126583 states to 126583 states and 182615 transitions. [2022-12-14 10:36:15,002 INFO L78 Accepts]: Start accepts. Automaton has 126583 states and 182615 transitions. Word has length 467 [2022-12-14 10:36:15,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:36:15,003 INFO L495 AbstractCegarLoop]: Abstraction has 126583 states and 182615 transitions. [2022-12-14 10:36:15,003 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, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 10:36:15,003 INFO L276 IsEmpty]: Start isEmpty. Operand 126583 states and 182615 transitions. [2022-12-14 10:36:15,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-12-14 10:36:15,021 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:36:15,021 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 9, 8, 8, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:36:15,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 10:36:15,022 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:36:15,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:36:15,022 INFO L85 PathProgramCache]: Analyzing trace with hash 976969617, now seen corresponding path program 1 times [2022-12-14 10:36:15,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:36:15,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555445854] [2022-12-14 10:36:15,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:36:15,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:36:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:36:15,733 INFO L134 CoverageAnalysis]: Checked inductivity of 5502 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5486 trivial. 0 not checked. [2022-12-14 10:36:15,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:36:15,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555445854] [2022-12-14 10:36:15,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555445854] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:36:15,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:36:15,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:36:15,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435445984] [2022-12-14 10:36:15,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:36:15,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:36:15,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:36:15,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:36:15,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:36:15,735 INFO L87 Difference]: Start difference. First operand 126583 states and 182615 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, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-12-14 10:36:18,822 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 10:36:26,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:36:26,404 INFO L93 Difference]: Finished difference Result 126595 states and 182623 transitions. [2022-12-14 10:36:26,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:36:26,405 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, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 472 [2022-12-14 10:36:26,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:36:26,904 INFO L225 Difference]: With dead ends: 126595 [2022-12-14 10:36:26,904 INFO L226 Difference]: Without dead ends: 126593 [2022-12-14 10:36:26,949 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 10:36:26,949 INFO L413 NwaCegarLoop]: 3755 mSDtfsCounter, 2844 mSDsluCounter, 9907 mSDsCounter, 0 mSdLazyCounter, 2217 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2846 SdHoareTripleChecker+Valid, 13662 SdHoareTripleChecker+Invalid, 2220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2217 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:36:26,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2846 Valid, 13662 Invalid, 2220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2217 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2022-12-14 10:36:27,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126593 states. [2022-12-14 10:36:32,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126593 to 126587. [2022-12-14 10:36:32,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126587 states, 78200 states have (on average 1.3015601023017902) internal successors, (101782), 78711 states have internal predecessors, (101782), 40383 states have call successors, (40383), 8028 states have call predecessors, (40383), 8001 states have return successors, (40453), 39920 states have call predecessors, (40453), 40371 states have call successors, (40453) [2022-12-14 10:36:33,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126587 states to 126587 states and 182618 transitions. [2022-12-14 10:36:33,005 INFO L78 Accepts]: Start accepts. Automaton has 126587 states and 182618 transitions. Word has length 472 [2022-12-14 10:36:33,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:36:33,006 INFO L495 AbstractCegarLoop]: Abstraction has 126587 states and 182618 transitions. [2022-12-14 10:36:33,006 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, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-12-14 10:36:33,006 INFO L276 IsEmpty]: Start isEmpty. Operand 126587 states and 182618 transitions. [2022-12-14 10:36:33,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2022-12-14 10:36:33,021 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:36:33,021 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 10, 9, 9, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:36:33,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 10:36:33,021 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:36:33,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:36:33,022 INFO L85 PathProgramCache]: Analyzing trace with hash 872160924, now seen corresponding path program 1 times [2022-12-14 10:36:33,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:36:33,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945239969] [2022-12-14 10:36:33,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:36:33,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:36:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:36:33,628 INFO L134 CoverageAnalysis]: Checked inductivity of 5536 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 5518 trivial. 0 not checked. [2022-12-14 10:36:33,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:36:33,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945239969] [2022-12-14 10:36:33,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945239969] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:36:33,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:36:33,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:36:33,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146529370] [2022-12-14 10:36:33,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:36:33,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:36:33,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:36:33,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:36:33,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:36:33,630 INFO L87 Difference]: Start difference. First operand 126587 states and 182618 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, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-12-14 10:36:36,569 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 10:36:44,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:36:44,272 INFO L93 Difference]: Finished difference Result 126599 states and 182626 transitions. [2022-12-14 10:36:44,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:36:44,272 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, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 477 [2022-12-14 10:36:44,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:36:44,718 INFO L225 Difference]: With dead ends: 126599 [2022-12-14 10:36:44,718 INFO L226 Difference]: Without dead ends: 126595 [2022-12-14 10:36:44,765 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 10:36:44,766 INFO L413 NwaCegarLoop]: 3755 mSDtfsCounter, 2844 mSDsluCounter, 9907 mSDsCounter, 0 mSdLazyCounter, 2217 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2845 SdHoareTripleChecker+Valid, 13662 SdHoareTripleChecker+Invalid, 2220 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2217 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-14 10:36:44,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2845 Valid, 13662 Invalid, 2220 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2217 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-12-14 10:36:44,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126595 states. [2022-12-14 10:36:50,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126595 to 126589. [2022-12-14 10:36:50,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126589 states, 78202 states have (on average 1.3015396025677093) internal successors, (101783), 78712 states have internal predecessors, (101783), 40383 states have call successors, (40383), 8029 states have call predecessors, (40383), 8001 states have return successors, (40453), 39920 states have call predecessors, (40453), 40371 states have call successors, (40453) [2022-12-14 10:36:51,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126589 states to 126589 states and 182619 transitions. [2022-12-14 10:36:51,105 INFO L78 Accepts]: Start accepts. Automaton has 126589 states and 182619 transitions. Word has length 477 [2022-12-14 10:36:51,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:36:51,106 INFO L495 AbstractCegarLoop]: Abstraction has 126589 states and 182619 transitions. [2022-12-14 10:36:51,106 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, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-12-14 10:36:51,106 INFO L276 IsEmpty]: Start isEmpty. Operand 126589 states and 182619 transitions. [2022-12-14 10:36:51,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2022-12-14 10:36:51,140 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:36:51,140 INFO L195 NwaCegarLoop]: trace histogram [39, 36, 36, 36, 36, 36, 36, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:36:51,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 10:36:51,140 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:36:51,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:36:51,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1525392361, now seen corresponding path program 1 times [2022-12-14 10:36:51,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:36:51,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308436238] [2022-12-14 10:36:51,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:36:51,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:36:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:36:51,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5277 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 5274 trivial. 0 not checked. [2022-12-14 10:36:51,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:36:51,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308436238] [2022-12-14 10:36:51,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308436238] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:36:51,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:36:51,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:36:51,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255239488] [2022-12-14 10:36:51,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:36:51,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:36:51,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:36:51,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:36:51,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:36:51,621 INFO L87 Difference]: Start difference. First operand 126589 states and 182619 transitions. Second operand has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-12-14 10:36:57,744 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 10:37:03,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:37:03,452 INFO L93 Difference]: Finished difference Result 316477 states and 453802 transitions. [2022-12-14 10:37:03,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:37:03,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) Word has length 479 [2022-12-14 10:37:03,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:37:04,191 INFO L225 Difference]: With dead ends: 316477 [2022-12-14 10:37:04,191 INFO L226 Difference]: Without dead ends: 189961 [2022-12-14 10:37:04,526 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 10:37:04,527 INFO L413 NwaCegarLoop]: 3026 mSDtfsCounter, 1605 mSDsluCounter, 2463 mSDsCounter, 0 mSdLazyCounter, 963 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1605 SdHoareTripleChecker+Valid, 5489 SdHoareTripleChecker+Invalid, 976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 963 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 10:37:04,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1605 Valid, 5489 Invalid, 976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 963 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 10:37:04,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189961 states. [2022-12-14 10:37:12,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189961 to 189715. [2022-12-14 10:37:12,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189715 states, 117959 states have (on average 1.3015624072771048) internal successors, (153531), 119048 states have internal predecessors, (153531), 58345 states have call successors, (58345), 13460 states have call predecessors, (58345), 13408 states have return successors, (58497), 57278 states have call predecessors, (58497), 58333 states have call successors, (58497) [2022-12-14 10:37:13,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189715 states to 189715 states and 270373 transitions. [2022-12-14 10:37:13,740 INFO L78 Accepts]: Start accepts. Automaton has 189715 states and 270373 transitions. Word has length 479 [2022-12-14 10:37:13,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:37:13,740 INFO L495 AbstractCegarLoop]: Abstraction has 189715 states and 270373 transitions. [2022-12-14 10:37:13,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.333333333333336) internal successors, (109), 3 states have internal predecessors, (109), 3 states have call successors, (58), 2 states have call predecessors, (58), 1 states have return successors, (56), 3 states have call predecessors, (56), 3 states have call successors, (56) [2022-12-14 10:37:13,740 INFO L276 IsEmpty]: Start isEmpty. Operand 189715 states and 270373 transitions. [2022-12-14 10:37:13,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-12-14 10:37:13,758 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:37:13,758 INFO L195 NwaCegarLoop]: trace histogram [40, 36, 36, 36, 36, 36, 36, 11, 10, 10, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:37:13,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 10:37:13,759 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:37:13,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:37:13,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1388127793, now seen corresponding path program 1 times [2022-12-14 10:37:13,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:37:13,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [602119893] [2022-12-14 10:37:13,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:37:13,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:37:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:37:14,494 INFO L134 CoverageAnalysis]: Checked inductivity of 5574 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 5554 trivial. 0 not checked. [2022-12-14 10:37:14,494 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:37:14,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [602119893] [2022-12-14 10:37:14,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [602119893] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:37:14,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:37:14,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 10:37:14,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699328175] [2022-12-14 10:37:14,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:37:14,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 10:37:14,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:37:14,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 10:37:14,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 10:37:14,496 INFO L87 Difference]: Start difference. First operand 189715 states and 270373 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, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-12-14 10:37:20,225 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 10:37:26,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:37:26,334 INFO L93 Difference]: Finished difference Result 189721 states and 270376 transitions. [2022-12-14 10:37:26,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 10:37:26,335 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, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 482 [2022-12-14 10:37:26,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:37:27,049 INFO L225 Difference]: With dead ends: 189721 [2022-12-14 10:37:27,049 INFO L226 Difference]: Without dead ends: 189263 [2022-12-14 10:37:27,126 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 10:37:27,126 INFO L413 NwaCegarLoop]: 3180 mSDtfsCounter, 2840 mSDsluCounter, 8759 mSDsCounter, 0 mSdLazyCounter, 1754 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2840 SdHoareTripleChecker+Valid, 11939 SdHoareTripleChecker+Invalid, 1757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1754 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-14 10:37:27,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2840 Valid, 11939 Invalid, 1757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1754 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-12-14 10:37:27,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189263 states. [2022-12-14 10:37:35,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189263 to 189259. [2022-12-14 10:37:36,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189259 states, 117847 states have (on average 1.3006270842702827) internal successors, (153275), 118793 states have internal predecessors, (153275), 58043 states have call successors, (58043), 13400 states have call predecessors, (58043), 13366 states have return successors, (58199), 57137 states have call predecessors, (58199), 58035 states have call successors, (58199) [2022-12-14 10:37:36,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189259 states to 189259 states and 269517 transitions. [2022-12-14 10:37:36,887 INFO L78 Accepts]: Start accepts. Automaton has 189259 states and 269517 transitions. Word has length 482 [2022-12-14 10:37:36,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:37:36,887 INFO L495 AbstractCegarLoop]: Abstraction has 189259 states and 269517 transitions. [2022-12-14 10:37:36,888 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, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-12-14 10:37:36,888 INFO L276 IsEmpty]: Start isEmpty. Operand 189259 states and 269517 transitions. [2022-12-14 10:37:36,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-12-14 10:37:36,910 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:37:36,911 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:37:36,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 10:37:36,911 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:37:36,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:37:36,911 INFO L85 PathProgramCache]: Analyzing trace with hash -387309900, now seen corresponding path program 1 times [2022-12-14 10:37:36,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:37:36,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478005467] [2022-12-14 10:37:36,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:37:36,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:37:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:37:37,187 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 10:37:37,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:37:37,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478005467] [2022-12-14 10:37:37,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478005467] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:37:37,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:37:37,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:37:37,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698519169] [2022-12-14 10:37:37,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:37:37,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:37:37,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:37:37,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:37:37,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:37:37,190 INFO L87 Difference]: Start difference. First operand 189259 states and 269517 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-12-14 10:37:42,700 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 10:37:53,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:37:53,595 INFO L93 Difference]: Finished difference Result 467377 states and 665855 transitions. [2022-12-14 10:37:53,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:37:53,597 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 492 [2022-12-14 10:37:53,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:37:54,870 INFO L225 Difference]: With dead ends: 467377 [2022-12-14 10:37:54,870 INFO L226 Difference]: Without dead ends: 278348 [2022-12-14 10:37:55,389 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 10:37:55,390 INFO L413 NwaCegarLoop]: 4383 mSDtfsCounter, 2746 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2746 SdHoareTripleChecker+Valid, 6862 SdHoareTripleChecker+Invalid, 1201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 10:37:55,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2746 Valid, 6862 Invalid, 1201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1191 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 10:37:55,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278348 states. [2022-12-14 10:38:07,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278348 to 278266. [2022-12-14 10:38:08,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278266 states, 173471 states have (on average 1.2998080370782437) internal successors, (225479), 174905 states have internal predecessors, (225479), 85095 states have call successors, (85095), 19747 states have call predecessors, (85095), 19697 states have return successors, (85319), 83721 states have call predecessors, (85319), 85087 states have call successors, (85319) [2022-12-14 10:38:09,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278266 states to 278266 states and 395893 transitions. [2022-12-14 10:38:09,662 INFO L78 Accepts]: Start accepts. Automaton has 278266 states and 395893 transitions. Word has length 492 [2022-12-14 10:38:09,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:38:09,663 INFO L495 AbstractCegarLoop]: Abstraction has 278266 states and 395893 transitions. [2022-12-14 10:38:09,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-12-14 10:38:09,663 INFO L276 IsEmpty]: Start isEmpty. Operand 278266 states and 395893 transitions. [2022-12-14 10:38:09,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2022-12-14 10:38:09,681 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:38:09,682 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:38:09,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 10:38:09,682 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:38:09,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:38:09,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1340009365, now seen corresponding path program 1 times [2022-12-14 10:38:09,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:38:09,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898101292] [2022-12-14 10:38:09,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:38:09,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:38:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:38:09,954 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 10:38:09,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:38:09,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898101292] [2022-12-14 10:38:09,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898101292] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:38:09,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:38:09,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:38:09,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589603634] [2022-12-14 10:38:09,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:38:09,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:38:09,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:38:09,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:38:09,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:38:09,955 INFO L87 Difference]: Start difference. First operand 278266 states and 395893 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-12-14 10:38:14,659 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 10:38:32,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 10:38:32,587 INFO L93 Difference]: Finished difference Result 685496 states and 975769 transitions. [2022-12-14 10:38:32,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 10:38:32,588 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 494 [2022-12-14 10:38:32,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 10:38:34,553 INFO L225 Difference]: With dead ends: 685496 [2022-12-14 10:38:34,553 INFO L226 Difference]: Without dead ends: 407460 [2022-12-14 10:38:35,374 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 10:38:35,375 INFO L413 NwaCegarLoop]: 4435 mSDtfsCounter, 2744 mSDsluCounter, 2479 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2744 SdHoareTripleChecker+Valid, 6914 SdHoareTripleChecker+Invalid, 1222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-14 10:38:35,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2744 Valid, 6914 Invalid, 1222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1212 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-12-14 10:38:35,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407460 states. [2022-12-14 10:38:54,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407460 to 407378. [2022-12-14 10:38:54,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407378 states, 254295 states have (on average 1.299054248019033) internal successors, (330343), 256459 states have internal predecessors, (330343), 124223 states have call successors, (124223), 28931 states have call predecessors, (124223), 28857 states have return successors, (124541), 122149 states have call predecessors, (124541), 124215 states have call successors, (124541) [2022-12-14 10:38:56,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407378 states to 407378 states and 579107 transitions. [2022-12-14 10:38:56,739 INFO L78 Accepts]: Start accepts. Automaton has 407378 states and 579107 transitions. Word has length 494 [2022-12-14 10:38:56,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 10:38:56,740 INFO L495 AbstractCegarLoop]: Abstraction has 407378 states and 579107 transitions. [2022-12-14 10:38:56,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-12-14 10:38:56,740 INFO L276 IsEmpty]: Start isEmpty. Operand 407378 states and 579107 transitions. [2022-12-14 10:38:56,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-12-14 10:38:56,759 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 10:38:56,759 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 10:38:56,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 10:38:56,759 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 10:38:56,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 10:38:56,760 INFO L85 PathProgramCache]: Analyzing trace with hash -2046295074, now seen corresponding path program 1 times [2022-12-14 10:38:56,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 10:38:56,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126814347] [2022-12-14 10:38:56,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 10:38:56,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 10:38:56,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 10:38:57,047 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 10:38:57,048 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 10:38:57,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126814347] [2022-12-14 10:38:57,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126814347] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 10:38:57,048 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 10:38:57,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 10:38:57,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605238746] [2022-12-14 10:38:57,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 10:38:57,049 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 10:38:57,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 10:38:57,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 10:38:57,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 10:38:57,050 INFO L87 Difference]: Start difference. First operand 407378 states and 579107 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (57), 2 states have call predecessors, (57), 1 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2022-12-14 10:39:00,817 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 []