./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/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_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/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_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/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 e9e205fa5276d2169d19b1ef4c34c90feff6cd91ed8381019b7601186a5ac469 --- 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 14:55:42,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 14:55:42,125 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 14:55:42,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 14:55:42,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 14:55:42,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 14:55:42,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 14:55:42,146 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 14:55:42,147 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 14:55:42,148 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 14:55:42,149 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 14:55:42,150 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 14:55:42,150 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 14:55:42,151 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 14:55:42,152 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 14:55:42,153 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 14:55:42,154 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 14:55:42,154 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 14:55:42,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 14:55:42,158 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 14:55:42,159 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 14:55:42,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 14:55:42,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 14:55:42,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 14:55:42,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 14:55:42,165 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 14:55:42,165 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 14:55:42,166 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 14:55:42,167 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 14:55:42,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 14:55:42,168 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 14:55:42,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 14:55:42,169 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 14:55:42,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 14:55:42,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 14:55:42,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 14:55:42,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 14:55:42,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 14:55:42,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 14:55:42,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 14:55:42,174 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 14:55:42,174 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 14:55:42,195 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 14:55:42,195 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 14:55:42,195 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 14:55:42,196 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 14:55:42,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 14:55:42,196 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 14:55:42,197 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 14:55:42,197 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 14:55:42,197 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 14:55:42,212 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 14:55:42,212 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 14:55:42,212 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 14:55:42,212 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 14:55:42,213 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 14:55:42,213 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 14:55:42,213 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 14:55:42,213 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 14:55:42,213 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 14:55:42,214 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 14:55:42,214 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 14:55:42,214 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 14:55:42,215 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 14:55:42,215 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 14:55:42,215 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 14:55:42,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 14:55:42,215 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 14:55:42,216 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 14:55:42,216 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 14:55:42,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 14:55:42,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:55:42,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 14:55:42,217 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 14:55:42,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 14:55:42,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 14:55:42,217 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 14:55:42,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 14:55:42,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 14:55:42,218 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 14:55:42,218 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_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9e205fa5276d2169d19b1ef4c34c90feff6cd91ed8381019b7601186a5ac469 [2022-12-14 14:55:42,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 14:55:42,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 14:55:42,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 14:55:42,431 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 14:55:42,432 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 14:55:42,433 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i [2022-12-14 14:55:45,113 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 14:55:45,530 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 14:55:45,531 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i [2022-12-14 14:55:45,563 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/bin/utaipan-gh47qXpMRh/data/978fe88de/4d1ef6bda10e4f588a683f480b7d632a/FLAGce4bf1963 [2022-12-14 14:55:45,574 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/bin/utaipan-gh47qXpMRh/data/978fe88de/4d1ef6bda10e4f588a683f480b7d632a [2022-12-14 14:55:45,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 14:55:45,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 14:55:45,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 14:55:45,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 14:55:45,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 14:55:45,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:55:45" (1/1) ... [2022-12-14 14:55:45,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28683286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:55:45, skipping insertion in model container [2022-12-14 14:55:45,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 02:55:45" (1/1) ... [2022-12-14 14:55:45,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 14:55:45,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 14:55:46,314 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 14:55:46,417 WARN L623 FunctionHandler]: Unknown extern function devm_kmalloc [2022-12-14 14:55:46,498 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-12-14 14:55:46,525 WARN L623 FunctionHandler]: Unknown extern function clk_prepare [2022-12-14 14:55:46,525 WARN L623 FunctionHandler]: Unknown extern function clk_enable [2022-12-14 14:55:46,526 WARN L623 FunctionHandler]: Unknown extern function clk_unprepare [2022-12-14 14:55:46,531 WARN L623 FunctionHandler]: Unknown extern function clk_disable [2022-12-14 14:55:46,531 WARN L623 FunctionHandler]: Unknown extern function clk_unprepare [2022-12-14 14:55:46,576 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 14:55:46,581 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 14:55:46,637 WARN L623 FunctionHandler]: Unknown extern function media_entity_create_link [2022-12-14 14:55:46,645 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:55:46,645 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-12-14 14:55:46,646 WARN L623 FunctionHandler]: Unknown extern function media_device_unregister [2022-12-14 14:55:46,651 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:55:46,656 WARN L623 FunctionHandler]: Unknown extern function media_device_register [2022-12-14 14:55:46,656 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:46,657 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-12-14 14:55:46,657 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:46,667 WARN L623 FunctionHandler]: Unknown extern function media_entity_create_link [2022-12-14 14:55:46,669 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register_subdev_nodes [2022-12-14 14:55:46,676 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-14 14:55:46,677 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:46,698 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:55:46,704 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:55:46,710 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:46,711 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:46,712 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:46,712 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:46,718 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:55:46,718 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-14 14:55:46,719 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap_resource [2022-12-14 14:55:46,719 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-12-14 14:55:46,720 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:46,720 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-12-14 14:55:46,721 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-14 14:55:46,721 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:46,722 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:46,722 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:47,541 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 14:55:47,541 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 14:55:47,543 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 14:55:47,544 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 14:55:47,547 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 14:55:47,565 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 14:55:47,588 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register_subdev [2022-12-14 14:55:47,589 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-14 14:55:47,590 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-14 14:55:47,660 WARN L623 FunctionHandler]: Unknown extern function media_entity_init [2022-12-14 14:55:47,661 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 14:55:47,661 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-14 14:55:47,662 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_link_validate [2022-12-14 14:55:47,810 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 14:55:47,883 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-14 14:55:47,906 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 14:55:48,025 WARN L623 FunctionHandler]: Unknown extern function vb2_plane_cookie [2022-12-14 14:55:48,076 WARN L623 FunctionHandler]: Unknown extern function media_entity_remote_pad [2022-12-14 14:55:48,117 WARN L623 FunctionHandler]: Unknown extern function media_entity_remote_pad [2022-12-14 14:55:48,119 WARN L623 FunctionHandler]: Unknown extern function media_entity_remote_pad [2022-12-14 14:55:48,126 WARN L623 FunctionHandler]: Unknown extern function media_entity_graph_walk_start [2022-12-14 14:55:48,128 WARN L623 FunctionHandler]: Unknown extern function media_entity_graph_walk_next [2022-12-14 14:55:48,154 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:48,154 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 14:55:48,155 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 14:55:48,155 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 14:55:48,156 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 14:55:48,156 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 14:55:48,171 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:48,172 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:55:48,173 WARN L623 FunctionHandler]: Unknown extern function v4l2_get_timestamp [2022-12-14 14:55:48,173 WARN L623 FunctionHandler]: Unknown extern function vb2_buffer_done [2022-12-14 14:55:48,180 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:48,182 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:48,182 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:55:48,204 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:48,204 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:48,217 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:48,223 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:48,223 WARN L623 FunctionHandler]: Unknown extern function media_entity_pipeline_stop [2022-12-14 14:55:48,224 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:48,229 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:55:48,230 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:55:48,258 WARN L623 FunctionHandler]: Unknown extern function media_entity_pipeline_start [2022-12-14 14:55:48,259 WARN L623 FunctionHandler]: Unknown extern function vb2_streamon [2022-12-14 14:55:48,259 WARN L623 FunctionHandler]: Unknown extern function media_entity_pipeline_stop [2022-12-14 14:55:48,265 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-12-14 14:55:48,265 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-12-14 14:55:48,265 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-12-14 14:55:48,265 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:55:48,271 WARN L623 FunctionHandler]: Unknown extern function vb2_queue_release [2022-12-14 14:55:48,271 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_release [2022-12-14 14:55:48,273 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:55:48,273 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:55:48,273 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:55:48,273 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:55:48,274 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:55:48,274 WARN L623 FunctionHandler]: Unknown extern function media_entity_init [2022-12-14 14:55:48,275 WARN L623 FunctionHandler]: Unknown extern function vb2_dma_contig_init_ctx [2022-12-14 14:55:48,276 WARN L623 FunctionHandler]: Unknown extern function vb2_queue_init [2022-12-14 14:55:48,276 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:48,277 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:48,277 WARN L623 FunctionHandler]: Unknown extern function vb2_dma_contig_cleanup_ctx [2022-12-14 14:55:48,277 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 14:55:48,278 WARN L623 FunctionHandler]: Unknown extern function vb2_dma_contig_cleanup_ctx [2022-12-14 14:55:48,278 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-14 14:55:48,301 WARN L623 FunctionHandler]: Unknown extern function vb2_ops_wait_finish [2022-12-14 14:55:48,302 WARN L623 FunctionHandler]: Unknown extern function vb2_ops_wait_prepare [2022-12-14 14:55:48,302 WARN L623 FunctionHandler]: Unknown extern function vb2_ioctl_prepare_buf [2022-12-14 14:55:48,303 WARN L623 FunctionHandler]: Unknown extern function vb2_ioctl_qbuf [2022-12-14 14:55:48,303 WARN L623 FunctionHandler]: Unknown extern function vb2_ioctl_querybuf [2022-12-14 14:55:48,303 WARN L623 FunctionHandler]: Unknown extern function vb2_ioctl_reqbufs [2022-12-14 14:55:48,304 WARN L623 FunctionHandler]: Unknown extern function vb2_ioctl_streamoff [2022-12-14 14:55:48,304 WARN L623 FunctionHandler]: Unknown extern function vb2_ioctl_create_bufs [2022-12-14 14:55:48,305 WARN L623 FunctionHandler]: Unknown extern function vb2_ioctl_dqbuf [2022-12-14 14:55:48,305 WARN L623 FunctionHandler]: Unknown extern function vb2_fop_poll [2022-12-14 14:55:48,305 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 14:55:48,305 WARN L623 FunctionHandler]: Unknown extern function vb2_fop_mmap [2022-12-14 14:55:48,371 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 14:55:48,372 WARN L623 FunctionHandler]: Unknown extern function media_entity_create_link [2022-12-14 14:55:48,372 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-14 14:55:48,420 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 14:55:48,421 WARN L623 FunctionHandler]: Unknown extern function media_entity_create_link [2022-12-14 14:55:48,421 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-14 14:55:48,656 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 14:55:48,802 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 14:55:48,892 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 14:55:49,044 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 14:55:49,045 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_init_class [2022-12-14 14:55:49,045 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_custom [2022-12-14 14:55:49,045 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-12-14 14:55:49,119 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 14:55:49,154 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 14:55:49,207 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 14:55:49,208 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 14:55:49,217 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 14:55:49,496 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_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583042,583055] [2022-12-14 14:55:49,499 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_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583208,583221] [2022-12-14 14:55:49,499 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_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583372,583385] [2022-12-14 14:55:49,500 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_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583537,583550] [2022-12-14 14:55:49,520 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:55:49,567 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 14:55:49,639 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 14:55:49,640 WARN L623 FunctionHandler]: Unknown extern function devm_kmalloc [2022-12-14 14:55:49,641 WARN L623 FunctionHandler]: Unknown extern function devm_request_threaded_irq [2022-12-14 14:55:49,642 WARN L623 FunctionHandler]: Unknown extern function clk_prepare [2022-12-14 14:55:49,642 WARN L623 FunctionHandler]: Unknown extern function clk_enable [2022-12-14 14:55:49,643 WARN L623 FunctionHandler]: Unknown extern function clk_unprepare [2022-12-14 14:55:49,643 WARN L623 FunctionHandler]: Unknown extern function clk_disable [2022-12-14 14:55:49,643 WARN L623 FunctionHandler]: Unknown extern function clk_unprepare [2022-12-14 14:55:49,644 WARN L623 FunctionHandler]: Unknown extern function ioread32 [2022-12-14 14:55:49,644 WARN L623 FunctionHandler]: Unknown extern function iowrite32 [2022-12-14 14:55:49,650 WARN L623 FunctionHandler]: Unknown extern function media_entity_create_link [2022-12-14 14:55:49,652 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:55:49,652 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-12-14 14:55:49,652 WARN L623 FunctionHandler]: Unknown extern function media_device_unregister [2022-12-14 14:55:49,653 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:55:49,654 WARN L623 FunctionHandler]: Unknown extern function media_device_register [2022-12-14 14:55:49,654 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:49,654 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-12-14 14:55:49,655 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:49,687 WARN L623 FunctionHandler]: Unknown extern function media_entity_create_link [2022-12-14 14:55:49,689 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register_subdev_nodes [2022-12-14 14:55:49,690 WARN L623 FunctionHandler]: Unknown extern function usleep_range [2022-12-14 14:55:49,690 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:49,693 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:55:49,694 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 14:55:49,694 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:49,695 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:49,695 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:49,695 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:49,696 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:55:49,697 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-14 14:55:49,697 WARN L623 FunctionHandler]: Unknown extern function devm_ioremap_resource [2022-12-14 14:55:49,697 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-12-14 14:55:49,697 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:49,698 WARN L623 FunctionHandler]: Unknown extern function devm_clk_get [2022-12-14 14:55:49,698 WARN L623 FunctionHandler]: Unknown extern function platform_get_resource [2022-12-14 14:55:49,698 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:49,698 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:49,699 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:49,713 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 14:55:49,714 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 14:55:49,715 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 14:55:49,715 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 14:55:49,716 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 14:55:49,733 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 14:55:49,746 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register_subdev [2022-12-14 14:55:49,747 WARN L623 FunctionHandler]: Unknown extern function __platform_driver_register [2022-12-14 14:55:49,747 WARN L623 FunctionHandler]: Unknown extern function platform_driver_unregister [2022-12-14 14:55:49,754 WARN L623 FunctionHandler]: Unknown extern function media_entity_init [2022-12-14 14:55:49,755 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 14:55:49,755 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-14 14:55:49,755 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_link_validate [2022-12-14 14:55:49,757 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 14:55:49,757 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-14 14:55:49,758 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 14:55:49,759 WARN L623 FunctionHandler]: Unknown extern function vb2_plane_cookie [2022-12-14 14:55:49,761 WARN L623 FunctionHandler]: Unknown extern function media_entity_remote_pad [2022-12-14 14:55:49,772 WARN L623 FunctionHandler]: Unknown extern function media_entity_remote_pad [2022-12-14 14:55:49,773 WARN L623 FunctionHandler]: Unknown extern function media_entity_remote_pad [2022-12-14 14:55:49,775 WARN L623 FunctionHandler]: Unknown extern function media_entity_graph_walk_start [2022-12-14 14:55:49,779 WARN L623 FunctionHandler]: Unknown extern function media_entity_graph_walk_next [2022-12-14 14:55:49,814 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:49,815 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 14:55:49,815 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 14:55:49,816 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 14:55:49,816 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 14:55:49,817 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 14:55:49,823 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:49,824 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 14:55:49,825 WARN L623 FunctionHandler]: Unknown extern function v4l2_get_timestamp [2022-12-14 14:55:49,825 WARN L623 FunctionHandler]: Unknown extern function vb2_buffer_done [2022-12-14 14:55:49,826 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:49,839 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:49,839 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 14:55:49,853 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:49,854 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:49,865 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:49,866 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:49,867 WARN L623 FunctionHandler]: Unknown extern function media_entity_pipeline_stop [2022-12-14 14:55:49,867 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irqsave [2022-12-14 14:55:49,868 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:55:49,869 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 14:55:49,881 WARN L623 FunctionHandler]: Unknown extern function media_entity_pipeline_start [2022-12-14 14:55:49,881 WARN L623 FunctionHandler]: Unknown extern function vb2_streamon [2022-12-14 14:55:49,882 WARN L623 FunctionHandler]: Unknown extern function media_entity_pipeline_stop [2022-12-14 14:55:49,883 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-12-14 14:55:49,883 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-12-14 14:55:49,884 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-12-14 14:55:49,884 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 14:55:49,885 WARN L623 FunctionHandler]: Unknown extern function vb2_queue_release [2022-12-14 14:55:49,885 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_release [2022-12-14 14:55:49,887 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:55:49,888 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:55:49,888 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 14:55:49,888 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 14:55:49,889 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 14:55:49,889 WARN L623 FunctionHandler]: Unknown extern function media_entity_init [2022-12-14 14:55:49,900 WARN L623 FunctionHandler]: Unknown extern function vb2_dma_contig_init_ctx [2022-12-14 14:55:49,901 WARN L623 FunctionHandler]: Unknown extern function vb2_queue_init [2022-12-14 14:55:49,902 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:49,905 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 14:55:49,906 WARN L623 FunctionHandler]: Unknown extern function vb2_dma_contig_cleanup_ctx [2022-12-14 14:55:49,906 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 14:55:49,907 WARN L623 FunctionHandler]: Unknown extern function vb2_dma_contig_cleanup_ctx [2022-12-14 14:55:49,907 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-14 14:55:49,909 WARN L623 FunctionHandler]: Unknown extern function vb2_ops_wait_finish [2022-12-14 14:55:49,909 WARN L623 FunctionHandler]: Unknown extern function vb2_ops_wait_prepare [2022-12-14 14:55:49,910 WARN L623 FunctionHandler]: Unknown extern function vb2_ioctl_prepare_buf [2022-12-14 14:55:49,910 WARN L623 FunctionHandler]: Unknown extern function vb2_ioctl_qbuf [2022-12-14 14:55:49,911 WARN L623 FunctionHandler]: Unknown extern function vb2_ioctl_querybuf [2022-12-14 14:55:49,911 WARN L623 FunctionHandler]: Unknown extern function vb2_ioctl_reqbufs [2022-12-14 14:55:49,912 WARN L623 FunctionHandler]: Unknown extern function vb2_ioctl_streamoff [2022-12-14 14:55:49,912 WARN L623 FunctionHandler]: Unknown extern function vb2_ioctl_create_bufs [2022-12-14 14:55:49,913 WARN L623 FunctionHandler]: Unknown extern function vb2_ioctl_dqbuf [2022-12-14 14:55:49,913 WARN L623 FunctionHandler]: Unknown extern function vb2_fop_poll [2022-12-14 14:55:49,913 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 14:55:49,913 WARN L623 FunctionHandler]: Unknown extern function vb2_fop_mmap [2022-12-14 14:55:49,921 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 14:55:49,922 WARN L623 FunctionHandler]: Unknown extern function media_entity_create_link [2022-12-14 14:55:49,923 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-14 14:55:49,939 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 14:55:49,940 WARN L623 FunctionHandler]: Unknown extern function media_entity_create_link [2022-12-14 14:55:49,941 WARN L623 FunctionHandler]: Unknown extern function media_entity_cleanup [2022-12-14 14:55:49,955 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 14:55:49,967 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 14:55:49,975 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 14:55:49,989 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 14:55:49,990 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_init_class [2022-12-14 14:55:49,990 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_custom [2022-12-14 14:55:49,990 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_setup [2022-12-14 14:55:49,995 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 14:55:50,003 WARN L623 FunctionHandler]: Unknown extern function v4l2_subdev_init [2022-12-14 14:55:50,007 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 14:55:50,007 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 14:55:50,007 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 14:55:50,019 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_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583042,583055] [2022-12-14 14:55:50,020 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_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583208,583221] [2022-12-14 14:55:50,020 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_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583372,583385] [2022-12-14 14:55:50,021 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_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i[583537,583550] [2022-12-14 14:55:50,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 14:55:50,297 INFO L208 MainTranslator]: Completed translation [2022-12-14 14:55:50,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:55:50 WrapperNode [2022-12-14 14:55:50,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 14:55:50,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 14:55:50,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 14:55:50,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 14:55:50,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:55:50" (1/1) ... [2022-12-14 14:55:50,397 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:55:50" (1/1) ... [2022-12-14 14:55:50,632 INFO L138 Inliner]: procedures = 693, calls = 4670, calls flagged for inlining = 355, calls inlined = 340, statements flattened = 9923 [2022-12-14 14:55:50,632 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 14:55:50,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 14:55:50,633 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 14:55:50,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 14:55:50,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:55:50" (1/1) ... [2022-12-14 14:55:50,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:55:50" (1/1) ... [2022-12-14 14:55:50,691 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:55:50" (1/1) ... [2022-12-14 14:55:50,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:55:50" (1/1) ... [2022-12-14 14:55:50,877 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:55:50" (1/1) ... [2022-12-14 14:55:50,903 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:55:50" (1/1) ... [2022-12-14 14:55:51,025 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:55:50" (1/1) ... [2022-12-14 14:55:51,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:55:50" (1/1) ... [2022-12-14 14:55:51,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 14:55:51,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 14:55:51,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 14:55:51,096 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 14:55:51,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:55:50" (1/1) ... [2022-12-14 14:55:51,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 14:55:51,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 14:55:51,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 14:55:51,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2990c1-95ae-4e8e-8c28-86cfd1711ca2/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 14:55:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_destroy_entities [2022-12-14 14:55:51,158 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_destroy_entities [2022-12-14 14:55:51,158 INFO L130 BoogieDeclarations]: Found specification of procedure lif_s_stream [2022-12-14 14:55:51,158 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_s_stream [2022-12-14 14:55:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_mbus_code [2022-12-14 14:55:51,159 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_mbus_code [2022-12-14 14:55:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 14:55:51,159 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 14:55:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_prepare_buf [2022-12-14 14:55:51,159 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_prepare_buf [2022-12-14 14:55:51,159 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_dqbuf [2022-12-14 14:55:51,159 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_dqbuf [2022-12-14 14:55:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_get_format [2022-12-14 14:55:51,160 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_get_format [2022-12-14 14:55:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_frame_size [2022-12-14 14:55:51,160 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_frame_size [2022-12-14 14:55:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vsp1_device [2022-12-14 14:55:51,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vsp1_device [2022-12-14 14:55:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 14:55:51,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 14:55:51,160 INFO L130 BoogieDeclarations]: Found specification of procedure to_uds [2022-12-14 14:55:51,160 INFO L138 BoogieDeclarations]: Found implementation of procedure to_uds [2022-12-14 14:55:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video [2022-12-14 14:55:51,161 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video [2022-12-14 14:55:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_prepare [2022-12-14 14:55:51,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_prepare [2022-12-14 14:55:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_remote_pad [2022-12-14 14:55:51,161 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_remote_pad [2022-12-14 14:55:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-12-14 14:55:51,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-12-14 14:55:51,161 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init_formats [2022-12-14 14:55:51,161 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init_formats [2022-12-14 14:55:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_init [2022-12-14 14:55:51,162 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_init [2022-12-14 14:55:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure uds_try_format [2022-12-14 14:55:51,162 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_try_format [2022-12-14 14:55:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure uds_enum_frame_size [2022-12-14 14:55:51,162 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_enum_frame_size [2022-12-14 14:55:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 14:55:51,162 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 14:55:51,162 INFO L130 BoogieDeclarations]: Found specification of procedure to_lut [2022-12-14 14:55:51,163 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lut [2022-12-14 14:55:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure sru_enum_mbus_code [2022-12-14 14:55:51,163 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_enum_mbus_code [2022-12-14 14:55:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure lut_get_format [2022-12-14 14:55:51,163 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_get_format [2022-12-14 14:55:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure sru_get_format [2022-12-14 14:55:51,163 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_get_format [2022-12-14 14:55:51,163 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vsp1_device [2022-12-14 14:55:51,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vsp1_device [2022-12-14 14:55:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_read [2022-12-14 14:55:51,164 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_read [2022-12-14 14:55:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_irq_handler [2022-12-14 14:55:51,164 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_irq_handler [2022-12-14 14:55:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_frame_size [2022-12-14 14:55:51,164 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_frame_size [2022-12-14 14:55:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_frame_end [2022-12-14 14:55:51,164 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_frame_end [2022-12-14 14:55:51,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 14:55:51,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 14:55:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 14:55:51,165 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 14:55:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_dma_contig_cleanup_ctx [2022-12-14 14:55:51,165 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_dma_contig_cleanup_ctx [2022-12-14 14:55:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_s_stream [2022-12-14 14:55:51,165 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_s_stream [2022-12-14 14:55:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 14:55:51,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 14:55:51,165 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_selection [2022-12-14 14:55:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_selection [2022-12-14 14:55:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 14:55:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-12-14 14:55:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 14:55:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 14:55:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure uds_s_stream [2022-12-14 14:55:51,166 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_s_stream [2022-12-14 14:55:51,166 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-12-14 14:55:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-12-14 14:55:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_uds_write [2022-12-14 14:55:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_uds_write [2022-12-14 14:55:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 14:55:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_cleanup [2022-12-14 14:55:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_cleanup [2022-12-14 14:55:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_31 [2022-12-14 14:55:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_31 [2022-12-14 14:55:51,167 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 14:55:51,167 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 14:55:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-12-14 14:55:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-12-14 14:55:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_stream [2022-12-14 14:55:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_stream [2022-12-14 14:55:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 14:55:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 14:55:51,168 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_format [2022-12-14 14:55:51,168 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_format [2022-12-14 14:55:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-12-14 14:55:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-12-14 14:55:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_reqbufs [2022-12-14 14:55:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_reqbufs [2022-12-14 14:55:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 14:55:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 14:55:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure to_rwpf [2022-12-14 14:55:51,169 INFO L138 BoogieDeclarations]: Found implementation of procedure to_rwpf [2022-12-14 14:55:51,169 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_get_format_info [2022-12-14 14:55:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_get_format_info [2022-12-14 14:55:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 14:55:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_mbus_code [2022-12-14 14:55:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_mbus_code [2022-12-14 14:55:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-12-14 14:55:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-12-14 14:55:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-12-14 14:55:51,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-12-14 14:55:51,170 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 14:55:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 14:55:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_ready [2022-12-14 14:55:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_ready [2022-12-14 14:55:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure sru_s_ctrl [2022-12-14 14:55:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_s_ctrl [2022-12-14 14:55:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_selection [2022-12-14 14:55:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_selection [2022-12-14 14:55:51,171 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_write [2022-12-14 14:55:51,171 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_write [2022-12-14 14:55:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_set_format [2022-12-14 14:55:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_set_format [2022-12-14 14:55:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 14:55:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-12-14 14:55:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-12-14 14:55:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 14:55:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 14:55:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-12-14 14:55:51,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-12-14 14:55:51,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-12-14 14:55:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-12-14 14:55:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-12-14 14:55:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-12-14 14:55:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_7 [2022-12-14 14:55:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_7 [2022-12-14 14:55:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_frame_size [2022-12-14 14:55:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_frame_size [2022-12-14 14:55:51,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2022-12-14 14:55:51,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2022-12-14 14:55:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 14:55:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure sru_set_format [2022-12-14 14:55:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_set_format [2022-12-14 14:55:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 14:55:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 14:55:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 14:55:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure to_hsit [2022-12-14 14:55:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure to_hsit [2022-12-14 14:55:51,174 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_write [2022-12-14 14:55:51,174 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_write [2022-12-14 14:55:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 14:55:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 14:55:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_start_streaming [2022-12-14 14:55:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_start_streaming [2022-12-14 14:55:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 14:55:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 14:55:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure video_get_drvdata___1 [2022-12-14 14:55:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure video_get_drvdata___1 [2022-12-14 14:55:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_get_format [2022-12-14 14:55:51,175 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_get_format [2022-12-14 14:55:51,175 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_open [2022-12-14 14:55:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_open [2022-12-14 14:55:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_video_buffer [2022-12-14 14:55:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_video_buffer [2022-12-14 14:55:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_pipeline [2022-12-14 14:55:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_pipeline [2022-12-14 14:55:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_vdev_queue [2022-12-14 14:55:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_vdev_queue [2022-12-14 14:55:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_type [2022-12-14 14:55:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_type [2022-12-14 14:55:51,176 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-12-14 14:55:51,176 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-12-14 14:55:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock_of_vsp1_device [2022-12-14 14:55:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock_of_vsp1_device [2022-12-14 14:55:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 14:55:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 14:55:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-12-14 14:55:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-12-14 14:55:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure sru_try_format [2022-12-14 14:55:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure sru_try_format [2022-12-14 14:55:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 14:55:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 14:55:51,177 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_suspend [2022-12-14 14:55:51,177 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_suspend [2022-12-14 14:55:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-12-14 14:55:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-12-14 14:55:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vsp1_pipeline [2022-12-14 14:55:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vsp1_pipeline [2022-12-14 14:55:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_enable [2022-12-14 14:55:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_enable [2022-12-14 14:55:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_try_format [2022-12-14 14:55:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_try_format [2022-12-14 14:55:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure to_sru [2022-12-14 14:55:51,178 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sru [2022-12-14 14:55:51,178 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_size [2022-12-14 14:55:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_size [2022-12-14 14:55:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_finish [2022-12-14 14:55:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_finish [2022-12-14 14:55:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure lut_s_stream [2022-12-14 14:55:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_s_stream [2022-12-14 14:55:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_cleanup [2022-12-14 14:55:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_cleanup [2022-12-14 14:55:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 14:55:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 14:55:51,179 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_create_bufs [2022-12-14 14:55:51,179 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_create_bufs [2022-12-14 14:55:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure uds_passband_width [2022-12-14 14:55:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_passband_width [2022-12-14 14:55:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_clocks_disable [2022-12-14 14:55:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_clocks_disable [2022-12-14 14:55:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_lif_write [2022-12-14 14:55:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_lif_write [2022-12-14 14:55:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-12-14 14:55:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-12-14 14:55:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_entity_get_pad_format [2022-12-14 14:55:51,180 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_entity_get_pad_format [2022-12-14 14:55:51,180 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_init [2022-12-14 14:55:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_init [2022-12-14 14:55:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 14:55:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 14:55:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_sru_write [2022-12-14 14:55:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_sru_write [2022-12-14 14:55:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_set_format [2022-12-14 14:55:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_set_format [2022-12-14 14:55:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rpf_write [2022-12-14 14:55:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rpf_write [2022-12-14 14:55:51,181 INFO L130 BoogieDeclarations]: Found specification of procedure __vsp1_video_try_format [2022-12-14 14:55:51,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __vsp1_video_try_format [2022-12-14 14:55:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-12-14 14:55:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-12-14 14:55:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_create_link [2022-12-14 14:55:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_create_link [2022-12-14 14:55:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-12-14 14:55:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-12-14 14:55:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_release [2022-12-14 14:55:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_release [2022-12-14 14:55:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2022-12-14 14:55:51,182 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2022-12-14 14:55:51,182 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-12-14 14:55:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-12-14 14:55:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_remove [2022-12-14 14:55:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_remove [2022-12-14 14:55:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pm_resume [2022-12-14 14:55:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pm_resume [2022-12-14 14:55:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_graph_mutex_of_media_device [2022-12-14 14:55:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_graph_mutex_of_media_device [2022-12-14 14:55:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 14:55:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 14:55:51,183 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 14:55:51,183 INFO L130 BoogieDeclarations]: Found specification of procedure uds_output_limits [2022-12-14 14:55:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_output_limits [2022-12-14 14:55:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 14:55:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_pipeline_run [2022-12-14 14:55:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_pipeline_run [2022-12-14 14:55:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure uds_compute_ratio [2022-12-14 14:55:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_compute_ratio [2022-12-14 14:55:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_stop_streaming [2022-12-14 14:55:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_stop_streaming [2022-12-14 14:55:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 14:55:51,184 INFO L130 BoogieDeclarations]: Found specification of procedure uds_set_format [2022-12-14 14:55:51,184 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_set_format [2022-12-14 14:55:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_probe [2022-12-14 14:55:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_probe [2022-12-14 14:55:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-12-14 14:55:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-12-14 14:55:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_hsit_create [2022-12-14 14:55:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_hsit_create [2022-12-14 14:55:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-12-14 14:55:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-12-14 14:55:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-12-14 14:55:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-12-14 14:55:51,185 INFO L130 BoogieDeclarations]: Found specification of procedure devm_clk_get [2022-12-14 14:55:51,185 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_clk_get [2022-12-14 14:55:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 14:55:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 14:55:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2022-12-14 14:55:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2022-12-14 14:55:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_querybuf [2022-12-14 14:55:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_querybuf [2022-12-14 14:55:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 14:55:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 14:55:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure to_vsp1_entity [2022-12-14 14:55:51,186 INFO L138 BoogieDeclarations]: Found implementation of procedure to_vsp1_entity [2022-12-14 14:55:51,186 INFO L130 BoogieDeclarations]: Found specification of procedure to_lif [2022-12-14 14:55:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure to_lif [2022-12-14 14:55:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_set_format [2022-12-14 14:55:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_set_format [2022-12-14 14:55:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___3 [2022-12-14 14:55:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___3 [2022-12-14 14:55:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_link_validate [2022-12-14 14:55:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_link_validate [2022-12-14 14:55:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___2 [2022-12-14 14:55:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___2 [2022-12-14 14:55:51,187 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ops_wait_prepare [2022-12-14 14:55:51,187 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ops_wait_prepare [2022-12-14 14:55:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release_empty [2022-12-14 14:55:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_enum_mbus_code [2022-12-14 14:55:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_enum_mbus_code [2022-12-14 14:55:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 14:55:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 14:55:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___5 [2022-12-14 14:55:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___5 [2022-12-14 14:55:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_get_try_format___4 [2022-12-14 14:55:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_get_try_format___4 [2022-12-14 14:55:51,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 14:55:51,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 14:55:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure lif_set_format [2022-12-14 14:55:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_set_format [2022-12-14 14:55:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_mbus_code [2022-12-14 14:55:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_mbus_code [2022-12-14 14:55:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vsp1_video [2022-12-14 14:55:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vsp1_video [2022-12-14 14:55:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure lif_get_format [2022-12-14 14:55:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_get_format [2022-12-14 14:55:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_rwpf_get_crop [2022-12-14 14:55:51,189 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_rwpf_get_crop [2022-12-14 14:55:51,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 14:55:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 14:55:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 14:55:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2022-12-14 14:55:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2022-12-14 14:55:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 14:55:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 14:55:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_querycap [2022-12-14 14:55:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_querycap [2022-12-14 14:55:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_init [2022-12-14 14:55:51,190 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_init [2022-12-14 14:55:51,190 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_buffer_queue [2022-12-14 14:55:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_buffer_queue [2022-12-14 14:55:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure vsp1_video_init [2022-12-14 14:55:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure vsp1_video_init [2022-12-14 14:55:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure rpf_s_stream [2022-12-14 14:55:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure rpf_s_stream [2022-12-14 14:55:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2022-12-14 14:55:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vsp1_platform_driver_exit_28_2 [2022-12-14 14:55:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_pipeline_stop [2022-12-14 14:55:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_pipeline_stop [2022-12-14 14:55:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_set_subdevdata [2022-12-14 14:55:51,191 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_set_subdevdata [2022-12-14 14:55:51,191 INFO L130 BoogieDeclarations]: Found specification of procedure lut_set_format [2022-12-14 14:55:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_set_format [2022-12-14 14:55:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_enum_frame_size [2022-12-14 14:55:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_enum_frame_size [2022-12-14 14:55:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure lut_enum_frame_size [2022-12-14 14:55:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure lut_enum_frame_size [2022-12-14 14:55:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_vsp1_video [2022-12-14 14:55:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_vsp1_video [2022-12-14 14:55:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2022-12-14 14:55:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2022-12-14 14:55:51,192 INFO L130 BoogieDeclarations]: Found specification of procedure hsit_s_stream [2022-12-14 14:55:51,192 INFO L138 BoogieDeclarations]: Found implementation of procedure hsit_s_stream [2022-12-14 14:55:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure wpf_vdev_queue [2022-12-14 14:55:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure wpf_vdev_queue [2022-12-14 14:55:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-12-14 14:55:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-12-14 14:55:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 14:55:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 14:55:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure uds_get_format [2022-12-14 14:55:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure uds_get_format [2022-12-14 14:55:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-14 14:55:51,193 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-14 14:55:51,193 INFO L130 BoogieDeclarations]: Found specification of procedure media_entity_cleanup [2022-12-14 14:55:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure media_entity_cleanup [2022-12-14 14:55:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_ioctl_qbuf [2022-12-14 14:55:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_ioctl_qbuf [2022-12-14 14:55:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_vsp1_pipeline [2022-12-14 14:55:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_vsp1_pipeline [2022-12-14 14:55:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure lif_enum_mbus_code [2022-12-14 14:55:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure lif_enum_mbus_code [2022-12-14 14:55:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 14:55:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 14:55:51,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 14:55:51,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 14:55:51,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 14:55:52,142 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 14:55:52,146 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 14:55:52,383 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 14:57:06,823 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 14:57:06,968 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 14:57:08,697 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 14:57:08,697 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-12-14 14:57:08,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:57:08 BoogieIcfgContainer [2022-12-14 14:57:08,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 14:57:08,705 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 14:57:08,705 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 14:57:08,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 14:57:08,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 02:55:45" (1/3) ... [2022-12-14 14:57:08,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c125fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:57:08, skipping insertion in model container [2022-12-14 14:57:08,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 02:55:50" (2/3) ... [2022-12-14 14:57:08,708 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9c125fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 02:57:08, skipping insertion in model container [2022-12-14 14:57:08,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 02:57:08" (3/3) ... [2022-12-14 14:57:08,709 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-media-platform-vsp1-vsp1.cil.i [2022-12-14 14:57:08,722 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 14:57:08,723 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 14:57:08,811 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 14:57:08,815 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;@3b7ad3bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 14:57:08,815 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 14:57:08,824 INFO L276 IsEmpty]: Start isEmpty. Operand has 2870 states, 1789 states have (on average 1.334823923979877) internal successors, (2388), 1812 states have internal predecessors, (2388), 898 states have call successors, (898), 181 states have call predecessors, (898), 180 states have return successors, (885), 881 states have call predecessors, (885), 885 states have call successors, (885) [2022-12-14 14:57:08,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1125 [2022-12-14 14:57:08,897 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:57:08,897 INFO L195 NwaCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:57:08,898 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 14:57:08,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:57:08,902 INFO L85 PathProgramCache]: Analyzing trace with hash 214646781, now seen corresponding path program 1 times [2022-12-14 14:57:08,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:57:08,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [179488765] [2022-12-14 14:57:08,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:57:08,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:57:09,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:57:10,729 INFO L134 CoverageAnalysis]: Checked inductivity of 48183 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48183 trivial. 0 not checked. [2022-12-14 14:57:10,730 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:57:10,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [179488765] [2022-12-14 14:57:10,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [179488765] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:57:10,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:57:10,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:57:10,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32146989] [2022-12-14 14:57:10,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:57:10,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:57:10,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:57:10,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:57:10,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:57:10,768 INFO L87 Difference]: Start difference. First operand has 2870 states, 1789 states have (on average 1.334823923979877) internal successors, (2388), 1812 states have internal predecessors, (2388), 898 states have call successors, (898), 181 states have call predecessors, (898), 180 states have return successors, (885), 881 states have call predecessors, (885), 885 states have call successors, (885) Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-12-14 14:57:19,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:57:28,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:57:28,050 INFO L93 Difference]: Finished difference Result 8048 states and 11855 transitions. [2022-12-14 14:57:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:57:28,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1124 [2022-12-14 14:57:28,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:57:28,101 INFO L225 Difference]: With dead ends: 8048 [2022-12-14 14:57:28,101 INFO L226 Difference]: Without dead ends: 5381 [2022-12-14 14:57:28,121 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 14:57:28,124 INFO L413 NwaCegarLoop]: 4324 mSDtfsCounter, 3694 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 1173 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3697 SdHoareTripleChecker+Valid, 7862 SdHoareTripleChecker+Invalid, 1196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1173 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-12-14 14:57:28,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3697 Valid, 7862 Invalid, 1196 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [22 Valid, 1173 Invalid, 1 Unknown, 0 Unchecked, 16.8s Time] [2022-12-14 14:57:28,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5381 states. [2022-12-14 14:57:28,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5381 to 5376. [2022-12-14 14:57:28,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5376 states, 3401 states have (on average 1.3369597177300794) internal successors, (4547), 3445 states have internal predecessors, (4547), 1616 states have call successors, (1616), 357 states have call predecessors, (1616), 356 states have return successors, (1615), 1603 states have call predecessors, (1615), 1612 states have call successors, (1615) [2022-12-14 14:57:28,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5376 states to 5376 states and 7778 transitions. [2022-12-14 14:57:28,468 INFO L78 Accepts]: Start accepts. Automaton has 5376 states and 7778 transitions. Word has length 1124 [2022-12-14 14:57:28,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:57:28,472 INFO L495 AbstractCegarLoop]: Abstraction has 5376 states and 7778 transitions. [2022-12-14 14:57:28,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 3 states have internal predecessors, (126), 3 states have call successors, (117), 2 states have call predecessors, (117), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-12-14 14:57:28,473 INFO L276 IsEmpty]: Start isEmpty. Operand 5376 states and 7778 transitions. [2022-12-14 14:57:28,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1136 [2022-12-14 14:57:28,512 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:57:28,512 INFO L195 NwaCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:57:28,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 14:57:28,513 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 14:57:28,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:57:28,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1588432703, now seen corresponding path program 1 times [2022-12-14 14:57:28,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:57:28,514 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358549902] [2022-12-14 14:57:28,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:57:28,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:57:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:57:29,662 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2022-12-14 14:57:29,662 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:57:29,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358549902] [2022-12-14 14:57:29,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358549902] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:57:29,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:57:29,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:57:29,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851291227] [2022-12-14 14:57:29,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:57:29,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:57:29,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:57:29,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:57:29,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:57:29,668 INFO L87 Difference]: Start difference. First operand 5376 states and 7778 transitions. Second operand has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (113), 3 states have call predecessors, (113), 3 states have call successors, (113) [2022-12-14 14:57:38,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:57:40,694 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:57:47,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:57:49,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:57:49,377 INFO L93 Difference]: Finished difference Result 12807 states and 18475 transitions. [2022-12-14 14:57:49,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:57:49,379 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (113), 3 states have call predecessors, (113), 3 states have call successors, (113) Word has length 1135 [2022-12-14 14:57:49,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:57:49,411 INFO L225 Difference]: With dead ends: 12807 [2022-12-14 14:57:49,411 INFO L226 Difference]: Without dead ends: 7652 [2022-12-14 14:57:49,425 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 14:57:49,425 INFO L413 NwaCegarLoop]: 4298 mSDtfsCounter, 3495 mSDsluCounter, 3537 mSDsCounter, 0 mSdLazyCounter, 1148 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3496 SdHoareTripleChecker+Valid, 7835 SdHoareTripleChecker+Invalid, 1156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1148 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:57:49,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3496 Valid, 7835 Invalid, 1156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1148 Invalid, 1 Unknown, 0 Unchecked, 19.3s Time] [2022-12-14 14:57:49,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7652 states. [2022-12-14 14:57:49,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7652 to 7628. [2022-12-14 14:57:49,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7628 states, 4816 states have (on average 1.334717607973422) internal successors, (6428), 4883 states have internal predecessors, (6428), 2282 states have call successors, (2282), 528 states have call predecessors, (2282), 527 states have return successors, (2280), 2259 states have call predecessors, (2280), 2278 states have call successors, (2280) [2022-12-14 14:57:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7628 states to 7628 states and 10990 transitions. [2022-12-14 14:57:49,659 INFO L78 Accepts]: Start accepts. Automaton has 7628 states and 10990 transitions. Word has length 1135 [2022-12-14 14:57:49,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:57:49,660 INFO L495 AbstractCegarLoop]: Abstraction has 7628 states and 10990 transitions. [2022-12-14 14:57:49,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 47.333333333333336) internal successors, (142), 3 states have internal predecessors, (142), 3 states have call successors, (116), 2 states have call predecessors, (116), 1 states have return successors, (113), 3 states have call predecessors, (113), 3 states have call successors, (113) [2022-12-14 14:57:49,661 INFO L276 IsEmpty]: Start isEmpty. Operand 7628 states and 10990 transitions. [2022-12-14 14:57:49,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1143 [2022-12-14 14:57:49,673 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:57:49,674 INFO L195 NwaCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:57:49,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 14:57:49,674 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 14:57:49,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:57:49,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1811885121, now seen corresponding path program 1 times [2022-12-14 14:57:49,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:57:49,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854347486] [2022-12-14 14:57:49,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:57:49,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:57:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:57:50,568 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2022-12-14 14:57:50,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:57:50,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854347486] [2022-12-14 14:57:50,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854347486] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:57:50,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:57:50,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:57:50,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561292896] [2022-12-14 14:57:50,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:57:50,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:57:50,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:57:50,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:57:50,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:57:50,573 INFO L87 Difference]: Start difference. First operand 7628 states and 10990 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-12-14 14:58:06,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:58:08,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:58:08,423 INFO L93 Difference]: Finished difference Result 22113 states and 31822 transitions. [2022-12-14 14:58:08,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:58:08,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1142 [2022-12-14 14:58:08,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:58:08,484 INFO L225 Difference]: With dead ends: 22113 [2022-12-14 14:58:08,484 INFO L226 Difference]: Without dead ends: 14706 [2022-12-14 14:58:08,504 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 14:58:08,505 INFO L413 NwaCegarLoop]: 4293 mSDtfsCounter, 3588 mSDsluCounter, 3517 mSDsCounter, 0 mSdLazyCounter, 1191 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3591 SdHoareTripleChecker+Valid, 7810 SdHoareTripleChecker+Invalid, 1221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1191 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:58:08,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3591 Valid, 7810 Invalid, 1221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1191 Invalid, 1 Unknown, 0 Unchecked, 17.3s Time] [2022-12-14 14:58:08,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14706 states. [2022-12-14 14:58:08,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14706 to 14678. [2022-12-14 14:58:08,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14678 states, 9279 states have (on average 1.3311779286561052) internal successors, (12352), 9418 states have internal predecessors, (12352), 4346 states have call successors, (4346), 1051 states have call predecessors, (4346), 1050 states have return successors, (4349), 4294 states have call predecessors, (4349), 4342 states have call successors, (4349) [2022-12-14 14:58:08,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14678 states to 14678 states and 21047 transitions. [2022-12-14 14:58:08,942 INFO L78 Accepts]: Start accepts. Automaton has 14678 states and 21047 transitions. Word has length 1142 [2022-12-14 14:58:08,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:58:08,943 INFO L495 AbstractCegarLoop]: Abstraction has 14678 states and 21047 transitions. [2022-12-14 14:58:08,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 3 states have internal predecessors, (144), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-12-14 14:58:08,944 INFO L276 IsEmpty]: Start isEmpty. Operand 14678 states and 21047 transitions. [2022-12-14 14:58:08,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2022-12-14 14:58:08,965 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:58:08,966 INFO L195 NwaCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:58:08,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 14:58:08,966 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 14:58:08,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:58:08,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1916905647, now seen corresponding path program 1 times [2022-12-14 14:58:08,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:58:08,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510374036] [2022-12-14 14:58:08,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:58:08,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:58:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:58:10,036 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2022-12-14 14:58:10,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:58:10,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510374036] [2022-12-14 14:58:10,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510374036] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:58:10,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:58:10,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:58:10,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589554126] [2022-12-14 14:58:10,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:58:10,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:58:10,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:58:10,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:58:10,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:58:10,041 INFO L87 Difference]: Start difference. First operand 14678 states and 21047 transitions. Second operand has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2022-12-14 14:58:21,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:58:28,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:58:28,988 INFO L93 Difference]: Finished difference Result 38424 states and 55067 transitions. [2022-12-14 14:58:28,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:58:28,989 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) Word has length 1150 [2022-12-14 14:58:28,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:58:29,065 INFO L225 Difference]: With dead ends: 38424 [2022-12-14 14:58:29,066 INFO L226 Difference]: Without dead ends: 23967 [2022-12-14 14:58:29,106 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 14:58:29,106 INFO L413 NwaCegarLoop]: 4323 mSDtfsCounter, 3679 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3682 SdHoareTripleChecker+Valid, 7867 SdHoareTripleChecker+Invalid, 1159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-12-14 14:58:29,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3682 Valid, 7867 Invalid, 1159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1146 Invalid, 1 Unknown, 0 Unchecked, 18.3s Time] [2022-12-14 14:58:29,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23967 states. [2022-12-14 14:58:29,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23967 to 23937. [2022-12-14 14:58:29,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23937 states, 15154 states have (on average 1.3300778672297744) internal successors, (20156), 15384 states have internal predecessors, (20156), 7045 states have call successors, (7045), 1736 states have call predecessors, (7045), 1735 states have return successors, (7056), 6951 states have call predecessors, (7056), 7041 states have call successors, (7056) [2022-12-14 14:58:29,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23937 states to 23937 states and 34257 transitions. [2022-12-14 14:58:29,837 INFO L78 Accepts]: Start accepts. Automaton has 23937 states and 34257 transitions. Word has length 1150 [2022-12-14 14:58:29,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:58:29,838 INFO L495 AbstractCegarLoop]: Abstraction has 23937 states and 34257 transitions. [2022-12-14 14:58:29,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.0) internal successors, (150), 3 states have internal predecessors, (150), 3 states have call successors, (120), 2 states have call predecessors, (120), 1 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2022-12-14 14:58:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 23937 states and 34257 transitions. [2022-12-14 14:58:29,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1157 [2022-12-14 14:58:29,851 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:58:29,852 INFO L195 NwaCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:58:29,852 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 14:58:29,852 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 14:58:29,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:58:29,852 INFO L85 PathProgramCache]: Analyzing trace with hash -2005325702, now seen corresponding path program 1 times [2022-12-14 14:58:29,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:58:29,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698431585] [2022-12-14 14:58:29,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:58:29,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:58:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:58:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2022-12-14 14:58:30,604 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:58:30,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698431585] [2022-12-14 14:58:30,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698431585] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:58:30,605 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:58:30,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:58:30,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139635838] [2022-12-14 14:58:30,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:58:30,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:58:30,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:58:30,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:58:30,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:58:30,607 INFO L87 Difference]: Start difference. First operand 23937 states and 34257 transitions. Second operand has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-12-14 14:58:39,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 14:58:42,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:58:50,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:58:50,367 INFO L93 Difference]: Finished difference Result 65466 states and 93681 transitions. [2022-12-14 14:58:50,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:58:50,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1156 [2022-12-14 14:58:50,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:58:50,494 INFO L225 Difference]: With dead ends: 65466 [2022-12-14 14:58:50,494 INFO L226 Difference]: Without dead ends: 41750 [2022-12-14 14:58:50,557 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 14:58:50,557 INFO L413 NwaCegarLoop]: 4372 mSDtfsCounter, 3665 mSDsluCounter, 3548 mSDsCounter, 0 mSdLazyCounter, 1139 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3668 SdHoareTripleChecker+Valid, 7920 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1139 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.6s IncrementalHoareTripleChecker+Time [2022-12-14 14:58:50,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3668 Valid, 7920 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1139 Invalid, 1 Unknown, 0 Unchecked, 18.6s Time] [2022-12-14 14:58:50,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41750 states. [2022-12-14 14:58:51,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41750 to 41712. [2022-12-14 14:58:51,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41712 states, 26421 states have (on average 1.331289504560766) internal successors, (35174), 26849 states have internal predecessors, (35174), 12231 states have call successors, (12231), 3058 states have call predecessors, (12231), 3057 states have return successors, (12258), 12040 states have call predecessors, (12258), 12227 states have call successors, (12258) [2022-12-14 14:58:51,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41712 states to 41712 states and 59663 transitions. [2022-12-14 14:58:51,805 INFO L78 Accepts]: Start accepts. Automaton has 41712 states and 59663 transitions. Word has length 1156 [2022-12-14 14:58:51,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:58:51,805 INFO L495 AbstractCegarLoop]: Abstraction has 41712 states and 59663 transitions. [2022-12-14 14:58:51,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 53.0) internal successors, (159), 3 states have internal predecessors, (159), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-12-14 14:58:51,806 INFO L276 IsEmpty]: Start isEmpty. Operand 41712 states and 59663 transitions. [2022-12-14 14:58:51,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1162 [2022-12-14 14:58:51,818 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:58:51,818 INFO L195 NwaCegarLoop]: trace histogram [112, 110, 110, 110, 110, 110, 110, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:58:51,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 14:58:51,819 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 14:58:51,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:58:51,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1235821528, now seen corresponding path program 1 times [2022-12-14 14:58:51,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:58:51,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979848428] [2022-12-14 14:58:51,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:58:51,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:58:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:58:52,692 INFO L134 CoverageAnalysis]: Checked inductivity of 48408 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 48402 trivial. 0 not checked. [2022-12-14 14:58:52,693 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:58:52,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979848428] [2022-12-14 14:58:52,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979848428] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:58:52,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:58:52,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:58:52,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142179424] [2022-12-14 14:58:52,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:58:52,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:58:52,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:58:52,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:58:52,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:58:52,695 INFO L87 Difference]: Start difference. First operand 41712 states and 59663 transitions. Second operand has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (121), 2 states have call predecessors, (121), 1 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) [2022-12-14 14:58:54,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 14:59:07,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:59:11,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:59:15,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:59:15,219 INFO L93 Difference]: Finished difference Result 115538 states and 165227 transitions. [2022-12-14 14:59:15,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:59:15,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (121), 2 states have call predecessors, (121), 1 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) Word has length 1161 [2022-12-14 14:59:15,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:59:15,461 INFO L225 Difference]: With dead ends: 115538 [2022-12-14 14:59:15,462 INFO L226 Difference]: Without dead ends: 74047 [2022-12-14 14:59:15,601 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 14:59:15,602 INFO L413 NwaCegarLoop]: 5574 mSDtfsCounter, 3712 mSDsluCounter, 3544 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3715 SdHoareTripleChecker+Valid, 9118 SdHoareTripleChecker+Invalid, 1435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:59:15,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3715 Valid, 9118 Invalid, 1435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1422 Invalid, 1 Unknown, 0 Unchecked, 20.5s Time] [2022-12-14 14:59:15,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74047 states. [2022-12-14 14:59:17,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74047 to 73995. [2022-12-14 14:59:17,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73995 states, 46999 states have (on average 1.3315176918657843) internal successors, (62580), 47787 states have internal predecessors, (62580), 21507 states have call successors, (21507), 5503 states have call predecessors, (21507), 5486 states have return successors, (21565), 21125 states have call predecessors, (21565), 21503 states have call successors, (21565) [2022-12-14 14:59:18,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73995 states to 73995 states and 105652 transitions. [2022-12-14 14:59:18,016 INFO L78 Accepts]: Start accepts. Automaton has 73995 states and 105652 transitions. Word has length 1161 [2022-12-14 14:59:18,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:59:18,017 INFO L495 AbstractCegarLoop]: Abstraction has 73995 states and 105652 transitions. [2022-12-14 14:59:18,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 3 states have call successors, (121), 2 states have call predecessors, (121), 1 states have return successors, (117), 3 states have call predecessors, (117), 3 states have call successors, (117) [2022-12-14 14:59:18,017 INFO L276 IsEmpty]: Start isEmpty. Operand 73995 states and 105652 transitions. [2022-12-14 14:59:18,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1160 [2022-12-14 14:59:18,037 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:59:18,037 INFO L195 NwaCegarLoop]: trace histogram [112, 111, 111, 111, 111, 111, 111, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:59:18,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 14:59:18,038 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 14:59:18,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:59:18,038 INFO L85 PathProgramCache]: Analyzing trace with hash 1388796249, now seen corresponding path program 1 times [2022-12-14 14:59:18,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:59:18,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376345808] [2022-12-14 14:59:18,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:59:18,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:59:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:59:19,029 INFO L134 CoverageAnalysis]: Checked inductivity of 49062 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49062 trivial. 0 not checked. [2022-12-14 14:59:19,030 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:59:19,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376345808] [2022-12-14 14:59:19,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376345808] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:59:19,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:59:19,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 14:59:19,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628320873] [2022-12-14 14:59:19,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:59:19,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 14:59:19,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:59:19,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 14:59:19,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 14:59:19,033 INFO L87 Difference]: Start difference. First operand 73995 states and 105652 transitions. Second operand has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-12-14 14:59:30,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 14:59:40,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 14:59:40,837 INFO L93 Difference]: Finished difference Result 217752 states and 310923 transitions. [2022-12-14 14:59:40,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 14:59:40,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) Word has length 1159 [2022-12-14 14:59:40,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 14:59:41,317 INFO L225 Difference]: With dead ends: 217752 [2022-12-14 14:59:41,317 INFO L226 Difference]: Without dead ends: 143978 [2022-12-14 14:59:41,510 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 14:59:41,510 INFO L413 NwaCegarLoop]: 4372 mSDtfsCounter, 3691 mSDsluCounter, 3553 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 12 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3694 SdHoareTripleChecker+Valid, 7925 SdHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.5s IncrementalHoareTripleChecker+Time [2022-12-14 14:59:41,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3694 Valid, 7925 Invalid, 1149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1136 Invalid, 1 Unknown, 0 Unchecked, 17.5s Time] [2022-12-14 14:59:41,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143978 states. [2022-12-14 14:59:45,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143978 to 143892. [2022-12-14 14:59:45,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143892 states, 91607 states have (on average 1.331262894756951) internal successors, (121953), 93221 states have internal predecessors, (121953), 41570 states have call successors, (41570), 10745 states have call predecessors, (41570), 10712 states have return successors, (41692), 40744 states have call predecessors, (41692), 41566 states have call successors, (41692) [2022-12-14 14:59:46,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143892 states to 143892 states and 205215 transitions. [2022-12-14 14:59:46,423 INFO L78 Accepts]: Start accepts. Automaton has 143892 states and 205215 transitions. Word has length 1159 [2022-12-14 14:59:46,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 14:59:46,424 INFO L495 AbstractCegarLoop]: Abstraction has 143892 states and 205215 transitions. [2022-12-14 14:59:46,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.666666666666664) internal successors, (155), 3 states have internal predecessors, (155), 3 states have call successors, (118), 2 states have call predecessors, (118), 1 states have return successors, (115), 3 states have call predecessors, (115), 3 states have call successors, (115) [2022-12-14 14:59:46,424 INFO L276 IsEmpty]: Start isEmpty. Operand 143892 states and 205215 transitions. [2022-12-14 14:59:46,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1182 [2022-12-14 14:59:46,438 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 14:59:46,438 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:59:46,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 14:59:46,438 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 14:59:46,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 14:59:46,439 INFO L85 PathProgramCache]: Analyzing trace with hash 148827001, now seen corresponding path program 1 times [2022-12-14 14:59:46,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 14:59:46,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962967148] [2022-12-14 14:59:46,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 14:59:46,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 14:59:46,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 14:59:48,671 INFO L134 CoverageAnalysis]: Checked inductivity of 48886 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48886 trivial. 0 not checked. [2022-12-14 14:59:48,671 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 14:59:48,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962967148] [2022-12-14 14:59:48,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962967148] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 14:59:48,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 14:59:48,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 14:59:48,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244164933] [2022-12-14 14:59:48,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 14:59:48,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 14:59:48,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 14:59:48,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 14:59:48,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 14:59:48,675 INFO L87 Difference]: Start difference. First operand 143892 states and 205215 transitions. Second operand has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) [2022-12-14 14:59:51,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 15:00:04,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:00:11,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:00:17,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:00:17,017 INFO L93 Difference]: Finished difference Result 144862 states and 206091 transitions. [2022-12-14 15:00:17,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:00:17,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) Word has length 1181 [2022-12-14 15:00:17,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:00:17,470 INFO L225 Difference]: With dead ends: 144862 [2022-12-14 15:00:17,470 INFO L226 Difference]: Without dead ends: 144860 [2022-12-14 15:00:17,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:00:17,516 INFO L413 NwaCegarLoop]: 3572 mSDtfsCounter, 3825 mSDsluCounter, 7194 mSDsCounter, 0 mSdLazyCounter, 1695 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3835 SdHoareTripleChecker+Valid, 10766 SdHoareTripleChecker+Invalid, 1698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1695 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:00:17,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3835 Valid, 10766 Invalid, 1698 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1695 Invalid, 1 Unknown, 0 Unchecked, 24.6s Time] [2022-12-14 15:00:17,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144860 states. [2022-12-14 15:00:22,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144860 to 144858. [2022-12-14 15:00:22,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144858 states, 92155 states have (on average 1.3299875210243612) internal successors, (122565), 93770 states have internal predecessors, (122565), 41699 states have call successors, (41699), 11033 states have call predecessors, (41699), 11001 states have return successors, (41824), 40873 states have call predecessors, (41824), 41695 states have call successors, (41824) [2022-12-14 15:00:22,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144858 states to 144858 states and 206088 transitions. [2022-12-14 15:00:22,776 INFO L78 Accepts]: Start accepts. Automaton has 144858 states and 206088 transitions. Word has length 1181 [2022-12-14 15:00:22,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:00:22,777 INFO L495 AbstractCegarLoop]: Abstraction has 144858 states and 206088 transitions. [2022-12-14 15:00:22,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.6) internal successors, (158), 4 states have internal predecessors, (158), 2 states have call successors, (123), 3 states have call predecessors, (123), 1 states have return successors, (121), 2 states have call predecessors, (121), 2 states have call successors, (121) [2022-12-14 15:00:22,777 INFO L276 IsEmpty]: Start isEmpty. Operand 144858 states and 206088 transitions. [2022-12-14 15:00:22,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1180 [2022-12-14 15:00:22,798 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:00:22,798 INFO L195 NwaCegarLoop]: trace histogram [111, 110, 110, 110, 110, 110, 110, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:00:22,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 15:00:22,799 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:00:22,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:00:22,799 INFO L85 PathProgramCache]: Analyzing trace with hash -1686092994, now seen corresponding path program 1 times [2022-12-14 15:00:22,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:00:22,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095453129] [2022-12-14 15:00:22,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:00:22,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:00:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:00:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 48180 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48180 trivial. 0 not checked. [2022-12-14 15:00:23,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:00:23,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1095453129] [2022-12-14 15:00:23,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1095453129] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:00:23,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:00:23,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 15:00:23,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421707314] [2022-12-14 15:00:23,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:00:23,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 15:00:23,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:00:23,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 15:00:23,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 15:00:23,781 INFO L87 Difference]: Start difference. First operand 144858 states and 206088 transitions. Second operand has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) [2022-12-14 15:00:26,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 15:00:29,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 15:00:37,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:00:47,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:00:50,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:00:56,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:00:56,700 INFO L93 Difference]: Finished difference Result 430538 states and 612720 transitions. [2022-12-14 15:00:56,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 15:00:56,701 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) Word has length 1179 [2022-12-14 15:00:56,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:00:57,710 INFO L225 Difference]: With dead ends: 430538 [2022-12-14 15:00:57,710 INFO L226 Difference]: Without dead ends: 285901 [2022-12-14 15:00:58,277 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 15:00:58,278 INFO L413 NwaCegarLoop]: 4713 mSDtfsCounter, 3762 mSDsluCounter, 3564 mSDsCounter, 0 mSdLazyCounter, 1165 mSolverCounterSat, 5 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3765 SdHoareTripleChecker+Valid, 8277 SdHoareTripleChecker+Invalid, 1171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1165 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.1s IncrementalHoareTripleChecker+Time [2022-12-14 15:00:58,278 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3765 Valid, 8277 Invalid, 1171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1165 Invalid, 1 Unknown, 0 Unchecked, 24.1s Time] [2022-12-14 15:00:58,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285901 states. [2022-12-14 15:01:09,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285901 to 285747. [2022-12-14 15:01:09,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285747 states, 181803 states have (on average 1.3297470338773287) internal successors, (241752), 185149 states have internal predecessors, (241752), 82273 states have call successors, (82273), 21732 states have call predecessors, (82273), 21668 states have return successors, (82521), 80500 states have call predecessors, (82521), 82269 states have call successors, (82521) [2022-12-14 15:01:10,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285747 states to 285747 states and 406546 transitions. [2022-12-14 15:01:11,021 INFO L78 Accepts]: Start accepts. Automaton has 285747 states and 406546 transitions. Word has length 1179 [2022-12-14 15:01:11,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:01:11,022 INFO L495 AbstractCegarLoop]: Abstraction has 285747 states and 406546 transitions. [2022-12-14 15:01:11,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 60.666666666666664) internal successors, (182), 3 states have internal predecessors, (182), 3 states have call successors, (119), 2 states have call predecessors, (119), 1 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) [2022-12-14 15:01:11,022 INFO L276 IsEmpty]: Start isEmpty. Operand 285747 states and 406546 transitions. [2022-12-14 15:01:11,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1188 [2022-12-14 15:01:11,036 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:01:11,036 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:01:11,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 15:01:11,036 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:01:11,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:01:11,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1305928933, now seen corresponding path program 1 times [2022-12-14 15:01:11,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:01:11,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927791984] [2022-12-14 15:01:11,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:01:11,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:01:11,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:01:13,000 INFO L134 CoverageAnalysis]: Checked inductivity of 48889 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 48887 trivial. 0 not checked. [2022-12-14 15:01:13,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:01:13,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927791984] [2022-12-14 15:01:13,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927791984] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:01:13,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:01:13,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:01:13,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777835106] [2022-12-14 15:01:13,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:01:13,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:01:13,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:01:13,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:01:13,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:01:13,004 INFO L87 Difference]: Start difference. First operand 285747 states and 406546 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (124), 3 states have call predecessors, (124), 1 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) [2022-12-14 15:01:18,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 15:01:28,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:01:31,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:01:45,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:01:45,475 INFO L93 Difference]: Finished difference Result 285759 states and 406556 transitions. [2022-12-14 15:01:45,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:01:45,476 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (124), 3 states have call predecessors, (124), 1 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) Word has length 1187 [2022-12-14 15:01:45,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:01:46,419 INFO L225 Difference]: With dead ends: 285759 [2022-12-14 15:01:46,419 INFO L226 Difference]: Without dead ends: 285757 [2022-12-14 15:01:46,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:01:46,506 INFO L413 NwaCegarLoop]: 3571 mSDtfsCounter, 3856 mSDsluCounter, 7139 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3865 SdHoareTripleChecker+Valid, 10710 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:01:46,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3865 Valid, 10710 Invalid, 1683 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1681 Invalid, 1 Unknown, 0 Unchecked, 24.0s Time] [2022-12-14 15:01:46,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285757 states. [2022-12-14 15:01:57,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285757 to 285755. [2022-12-14 15:01:57,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285755 states, 181809 states have (on average 1.3297416519534238) internal successors, (241759), 185155 states have internal predecessors, (241759), 82273 states have call successors, (82273), 21734 states have call predecessors, (82273), 21670 states have return successors, (82521), 80500 states have call predecessors, (82521), 82269 states have call successors, (82521) [2022-12-14 15:01:58,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285755 states to 285755 states and 406553 transitions. [2022-12-14 15:01:58,479 INFO L78 Accepts]: Start accepts. Automaton has 285755 states and 406553 transitions. Word has length 1187 [2022-12-14 15:01:58,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:01:58,480 INFO L495 AbstractCegarLoop]: Abstraction has 285755 states and 406553 transitions. [2022-12-14 15:01:58,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (124), 3 states have call predecessors, (124), 1 states have return successors, (122), 2 states have call predecessors, (122), 2 states have call successors, (122) [2022-12-14 15:01:58,480 INFO L276 IsEmpty]: Start isEmpty. Operand 285755 states and 406553 transitions. [2022-12-14 15:01:58,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1193 [2022-12-14 15:01:58,493 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:01:58,494 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 5, 5, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:01:58,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 15:01:58,494 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:01:58,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:01:58,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1088599155, now seen corresponding path program 1 times [2022-12-14 15:01:58,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:01:58,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654765282] [2022-12-14 15:01:58,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:01:58,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:01:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:02:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 48895 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 48891 trivial. 0 not checked. [2022-12-14 15:02:00,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:02:00,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654765282] [2022-12-14 15:02:00,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654765282] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:02:00,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:02:00,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:02:00,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382993292] [2022-12-14 15:02:00,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:02:00,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:02:00,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:02:00,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:02:00,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:02:00,556 INFO L87 Difference]: Start difference. First operand 285755 states and 406553 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (125), 3 states have call predecessors, (125), 1 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2022-12-14 15:02:15,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:02:32,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:02:32,148 INFO L93 Difference]: Finished difference Result 285763 states and 406559 transitions. [2022-12-14 15:02:32,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:02:32,149 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (125), 3 states have call predecessors, (125), 1 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) Word has length 1192 [2022-12-14 15:02:32,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:02:33,234 INFO L225 Difference]: With dead ends: 285763 [2022-12-14 15:02:33,234 INFO L226 Difference]: Without dead ends: 285761 [2022-12-14 15:02:33,328 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:02:33,328 INFO L413 NwaCegarLoop]: 3571 mSDtfsCounter, 3856 mSDsluCounter, 7139 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3864 SdHoareTripleChecker+Valid, 10710 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.7s IncrementalHoareTripleChecker+Time [2022-12-14 15:02:33,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3864 Valid, 10710 Invalid, 1683 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1681 Invalid, 1 Unknown, 0 Unchecked, 22.7s Time] [2022-12-14 15:02:33,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285761 states. [2022-12-14 15:02:44,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285761 to 285759. [2022-12-14 15:02:44,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285759 states, 181812 states have (on average 1.329736211031175) internal successors, (241762), 185158 states have internal predecessors, (241762), 82273 states have call successors, (82273), 21735 states have call predecessors, (82273), 21671 states have return successors, (82521), 80500 states have call predecessors, (82521), 82269 states have call successors, (82521) [2022-12-14 15:02:46,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285759 states to 285759 states and 406556 transitions. [2022-12-14 15:02:46,173 INFO L78 Accepts]: Start accepts. Automaton has 285759 states and 406556 transitions. Word has length 1192 [2022-12-14 15:02:46,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:02:46,175 INFO L495 AbstractCegarLoop]: Abstraction has 285759 states and 406556 transitions. [2022-12-14 15:02:46,175 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (125), 3 states have call predecessors, (125), 1 states have return successors, (123), 2 states have call predecessors, (123), 2 states have call successors, (123) [2022-12-14 15:02:46,175 INFO L276 IsEmpty]: Start isEmpty. Operand 285759 states and 406556 transitions. [2022-12-14 15:02:46,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1198 [2022-12-14 15:02:46,189 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:02:46,190 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:02:46,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 15:02:46,190 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:02:46,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:02:46,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1450685989, now seen corresponding path program 1 times [2022-12-14 15:02:46,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:02:46,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020245059] [2022-12-14 15:02:46,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:02:46,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:02:46,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:02:48,194 INFO L134 CoverageAnalysis]: Checked inductivity of 48905 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 48899 trivial. 0 not checked. [2022-12-14 15:02:48,195 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:02:48,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020245059] [2022-12-14 15:02:48,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020245059] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:02:48,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:02:48,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:02:48,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368563192] [2022-12-14 15:02:48,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:02:48,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:02:48,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:02:48,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:02:48,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:02:48,197 INFO L87 Difference]: Start difference. First operand 285759 states and 406556 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (126), 3 states have call predecessors, (126), 1 states have return successors, (124), 2 states have call predecessors, (124), 2 states have call successors, (124) [2022-12-14 15:03:03,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:03:10,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:03:22,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:03:22,445 INFO L93 Difference]: Finished difference Result 285767 states and 406562 transitions. [2022-12-14 15:03:22,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:03:22,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (126), 3 states have call predecessors, (126), 1 states have return successors, (124), 2 states have call predecessors, (124), 2 states have call successors, (124) Word has length 1197 [2022-12-14 15:03:22,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:03:23,456 INFO L225 Difference]: With dead ends: 285767 [2022-12-14 15:03:23,456 INFO L226 Difference]: Without dead ends: 285765 [2022-12-14 15:03:23,557 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:03:23,558 INFO L413 NwaCegarLoop]: 3571 mSDtfsCounter, 3856 mSDsluCounter, 7139 mSDsCounter, 0 mSdLazyCounter, 1681 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3863 SdHoareTripleChecker+Valid, 10710 SdHoareTripleChecker+Invalid, 1683 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1681 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2022-12-14 15:03:23,558 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3863 Valid, 10710 Invalid, 1683 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1681 Invalid, 1 Unknown, 0 Unchecked, 24.0s Time] [2022-12-14 15:03:23,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285765 states. [2022-12-14 15:03:36,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285765 to 285763. [2022-12-14 15:03:36,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285763 states, 181815 states have (on average 1.32973077028848) internal successors, (241765), 185161 states have internal predecessors, (241765), 82273 states have call successors, (82273), 21736 states have call predecessors, (82273), 21672 states have return successors, (82521), 80500 states have call predecessors, (82521), 82269 states have call successors, (82521) [2022-12-14 15:03:37,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285763 states to 285763 states and 406559 transitions. [2022-12-14 15:03:37,688 INFO L78 Accepts]: Start accepts. Automaton has 285763 states and 406559 transitions. Word has length 1197 [2022-12-14 15:03:37,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:03:37,690 INFO L495 AbstractCegarLoop]: Abstraction has 285763 states and 406559 transitions. [2022-12-14 15:03:37,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (126), 3 states have call predecessors, (126), 1 states have return successors, (124), 2 states have call predecessors, (124), 2 states have call successors, (124) [2022-12-14 15:03:37,690 INFO L276 IsEmpty]: Start isEmpty. Operand 285763 states and 406559 transitions. [2022-12-14 15:03:37,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1203 [2022-12-14 15:03:37,717 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:03:37,717 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:03:37,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 15:03:37,718 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:03:37,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:03:37,718 INFO L85 PathProgramCache]: Analyzing trace with hash -743641805, now seen corresponding path program 1 times [2022-12-14 15:03:37,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:03:37,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273081445] [2022-12-14 15:03:37,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:03:37,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:03:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:03:39,982 INFO L134 CoverageAnalysis]: Checked inductivity of 48919 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 48911 trivial. 0 not checked. [2022-12-14 15:03:39,982 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:03:39,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273081445] [2022-12-14 15:03:39,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273081445] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:03:39,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:03:39,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:03:39,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062278635] [2022-12-14 15:03:39,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:03:39,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:03:39,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:03:39,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:03:39,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:03:39,985 INFO L87 Difference]: Start difference. First operand 285763 states and 406559 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (127), 3 states have call predecessors, (127), 1 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2022-12-14 15:03:54,889 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:04:17,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:04:17,342 INFO L93 Difference]: Finished difference Result 575805 states and 820028 transitions. [2022-12-14 15:04:17,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:04:17,343 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (127), 3 states have call predecessors, (127), 1 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) Word has length 1202 [2022-12-14 15:04:17,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:04:18,645 INFO L225 Difference]: With dead ends: 575805 [2022-12-14 15:04:18,645 INFO L226 Difference]: Without dead ends: 290857 [2022-12-14 15:04:19,337 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:04:19,338 INFO L413 NwaCegarLoop]: 3586 mSDtfsCounter, 3772 mSDsluCounter, 7293 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3778 SdHoareTripleChecker+Valid, 10879 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.8s IncrementalHoareTripleChecker+Time [2022-12-14 15:04:19,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3778 Valid, 10879 Invalid, 1709 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1705 Invalid, 1 Unknown, 0 Unchecked, 23.8s Time] [2022-12-14 15:04:19,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290857 states. [2022-12-14 15:04:33,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290857 to 290855. [2022-12-14 15:04:33,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290855 states, 184906 states have (on average 1.3274204190237202) internal successors, (245448), 188348 states have internal predecessors, (245448), 83241 states have call successors, (83241), 22769 states have call predecessors, (83241), 22705 states have return successors, (83489), 81468 states have call predecessors, (83489), 83237 states have call successors, (83489) [2022-12-14 15:04:34,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290855 states to 290855 states and 412178 transitions. [2022-12-14 15:04:34,816 INFO L78 Accepts]: Start accepts. Automaton has 290855 states and 412178 transitions. Word has length 1202 [2022-12-14 15:04:34,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:04:34,817 INFO L495 AbstractCegarLoop]: Abstraction has 290855 states and 412178 transitions. [2022-12-14 15:04:34,817 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (127), 3 states have call predecessors, (127), 1 states have return successors, (125), 2 states have call predecessors, (125), 2 states have call successors, (125) [2022-12-14 15:04:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 290855 states and 412178 transitions. [2022-12-14 15:04:34,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1219 [2022-12-14 15:04:34,835 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:04:34,835 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 6, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:04:34,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 15:04:34,836 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:04:34,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:04:34,836 INFO L85 PathProgramCache]: Analyzing trace with hash 842213669, now seen corresponding path program 1 times [2022-12-14 15:04:34,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:04:34,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007193987] [2022-12-14 15:04:34,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:04:34,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:04:34,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:04:36,971 INFO L134 CoverageAnalysis]: Checked inductivity of 48944 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 48934 trivial. 0 not checked. [2022-12-14 15:04:36,972 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:04:36,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007193987] [2022-12-14 15:04:36,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007193987] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:04:36,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:04:36,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:04:36,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702954461] [2022-12-14 15:04:36,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:04:36,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:04:36,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:04:36,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:04:36,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:04:36,975 INFO L87 Difference]: Start difference. First operand 290855 states and 412178 transitions. Second operand has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 2 states have call successors, (126), 3 states have call predecessors, (126), 1 states have return successors, (124), 2 states have call predecessors, (124), 2 states have call successors, (124) [2022-12-14 15:04:41,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 15:04:53,887 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:05:17,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:05:17,029 INFO L93 Difference]: Finished difference Result 319689 states and 449181 transitions. [2022-12-14 15:05:17,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:05:17,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 2 states have call successors, (126), 3 states have call predecessors, (126), 1 states have return successors, (124), 2 states have call predecessors, (124), 2 states have call successors, (124) Word has length 1218 [2022-12-14 15:05:17,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:05:18,173 INFO L225 Difference]: With dead ends: 319689 [2022-12-14 15:05:18,173 INFO L226 Difference]: Without dead ends: 319687 [2022-12-14 15:05:18,286 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:05:18,287 INFO L413 NwaCegarLoop]: 3836 mSDtfsCounter, 3732 mSDsluCounter, 8074 mSDsCounter, 0 mSdLazyCounter, 1795 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3737 SdHoareTripleChecker+Valid, 11910 SdHoareTripleChecker+Invalid, 1798 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1795 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2022-12-14 15:05:18,287 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3737 Valid, 11910 Invalid, 1798 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1795 Invalid, 1 Unknown, 0 Unchecked, 25.6s Time] [2022-12-14 15:05:18,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319687 states. [2022-12-14 15:05:34,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319687 to 319440. [2022-12-14 15:05:34,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319440 states, 201462 states have (on average 1.3175785011565457) internal successors, (265442), 205461 states have internal predecessors, (265442), 91507 states have call successors, (91507), 26866 states have call predecessors, (91507), 26468 states have return successors, (91979), 88843 states have call predecessors, (91979), 91503 states have call successors, (91979) [2022-12-14 15:05:35,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319440 states to 319440 states and 448928 transitions. [2022-12-14 15:05:35,642 INFO L78 Accepts]: Start accepts. Automaton has 319440 states and 448928 transitions. Word has length 1218 [2022-12-14 15:05:35,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 15:05:35,643 INFO L495 AbstractCegarLoop]: Abstraction has 319440 states and 448928 transitions. [2022-12-14 15:05:35,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 31.8) internal successors, (159), 4 states have internal predecessors, (159), 2 states have call successors, (126), 3 states have call predecessors, (126), 1 states have return successors, (124), 2 states have call predecessors, (124), 2 states have call successors, (124) [2022-12-14 15:05:35,643 INFO L276 IsEmpty]: Start isEmpty. Operand 319440 states and 448928 transitions. [2022-12-14 15:05:35,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2022-12-14 15:05:35,893 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 15:05:35,894 INFO L195 NwaCegarLoop]: trace histogram [114, 110, 110, 110, 110, 110, 110, 7, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:35,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 15:05:35,894 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 15:05:35,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 15:05:35,894 INFO L85 PathProgramCache]: Analyzing trace with hash -955718157, now seen corresponding path program 1 times [2022-12-14 15:05:35,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 15:05:35,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702641039] [2022-12-14 15:05:35,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 15:05:35,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 15:05:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 15:05:38,164 INFO L134 CoverageAnalysis]: Checked inductivity of 48959 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 48947 trivial. 0 not checked. [2022-12-14 15:05:38,165 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 15:05:38,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702641039] [2022-12-14 15:05:38,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702641039] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 15:05:38,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 15:05:38,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 15:05:38,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42238844] [2022-12-14 15:05:38,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 15:05:38,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 15:05:38,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 15:05:38,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 15:05:38,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 15:05:38,167 INFO L87 Difference]: Start difference. First operand 319440 states and 448928 transitions. Second operand has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (129), 3 states have call predecessors, (129), 1 states have return successors, (127), 2 states have call predecessors, (127), 2 states have call successors, (127) [2022-12-14 15:05:44,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2022-12-14 15:05:56,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 15:06:19,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 15:06:19,058 INFO L93 Difference]: Finished difference Result 319892 states and 449378 transitions. [2022-12-14 15:06:19,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 15:06:19,059 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 32.2) internal successors, (161), 4 states have internal predecessors, (161), 2 states have call successors, (129), 3 states have call predecessors, (129), 1 states have return successors, (127), 2 states have call predecessors, (127), 2 states have call successors, (127) Word has length 1212 [2022-12-14 15:06:19,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 15:06:20,213 INFO L225 Difference]: With dead ends: 319892 [2022-12-14 15:06:20,213 INFO L226 Difference]: Without dead ends: 319888 [2022-12-14 15:06:20,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 15:06:20,331 INFO L413 NwaCegarLoop]: 3574 mSDtfsCounter, 3845 mSDsluCounter, 7148 mSDsCounter, 0 mSdLazyCounter, 1682 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3846 SdHoareTripleChecker+Valid, 10722 SdHoareTripleChecker+Invalid, 1685 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1682 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.4s IncrementalHoareTripleChecker+Time [2022-12-14 15:06:20,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3846 Valid, 10722 Invalid, 1685 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1682 Invalid, 1 Unknown, 0 Unchecked, 25.4s Time] [2022-12-14 15:06:20,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319888 states.