./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.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_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/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_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/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_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/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 ce86015a8790fe78c3fa1e0817dad1e3ce7732b16cd3bc300a77723095c4573b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 07:21:31,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 07:21:31,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 07:21:31,339 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 07:21:31,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 07:21:31,340 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 07:21:31,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 07:21:31,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 07:21:31,343 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 07:21:31,344 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 07:21:31,345 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 07:21:31,345 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 07:21:31,346 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 07:21:31,347 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 07:21:31,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 07:21:31,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 07:21:31,349 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 07:21:31,350 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 07:21:31,351 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 07:21:31,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 07:21:31,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 07:21:31,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 07:21:31,355 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 07:21:31,355 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 07:21:31,358 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 07:21:31,358 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 07:21:31,358 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 07:21:31,359 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 07:21:31,359 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 07:21:31,360 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 07:21:31,360 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 07:21:31,361 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 07:21:31,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 07:21:31,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 07:21:31,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 07:21:31,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 07:21:31,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 07:21:31,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 07:21:31,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 07:21:31,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 07:21:31,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 07:21:31,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 07:21:31,380 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 07:21:31,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 07:21:31,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 07:21:31,380 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 07:21:31,381 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 07:21:31,381 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 07:21:31,381 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 07:21:31,381 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 07:21:31,382 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 07:21:31,382 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 07:21:31,382 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 07:21:31,382 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 07:21:31,382 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 07:21:31,382 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 07:21:31,383 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 07:21:31,383 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 07:21:31,383 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 07:21:31,383 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 07:21:31,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 07:21:31,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 07:21:31,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 07:21:31,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 07:21:31,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 07:21:31,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 07:21:31,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 07:21:31,385 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 07:21:31,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 07:21:31,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 07:21:31,385 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 07:21:31,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:21:31,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 07:21:31,386 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 07:21:31,386 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 07:21:31,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 07:21:31,386 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 07:21:31,386 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 07:21:31,386 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 07:21:31,387 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 07:21:31,387 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_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce86015a8790fe78c3fa1e0817dad1e3ce7732b16cd3bc300a77723095c4573b [2022-12-14 07:21:31,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 07:21:31,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 07:21:31,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 07:21:31,608 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 07:21:31,608 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 07:21:31,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2022-12-14 07:21:34,128 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 07:21:34,515 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 07:21:34,515 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2022-12-14 07:21:34,546 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/bin/utaipan-gh47qXpMRh/data/3d6ceb44d/eb6c47cfe5e74c7fa2a6a7737c5b3cfa/FLAG8c35ca993 [2022-12-14 07:21:34,557 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/bin/utaipan-gh47qXpMRh/data/3d6ceb44d/eb6c47cfe5e74c7fa2a6a7737c5b3cfa [2022-12-14 07:21:34,559 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 07:21:34,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 07:21:34,561 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 07:21:34,561 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 07:21:34,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 07:21:34,564 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:21:34" (1/1) ... [2022-12-14 07:21:34,565 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c0a7a3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:34, skipping insertion in model container [2022-12-14 07:21:34,565 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:21:34" (1/1) ... [2022-12-14 07:21:34,570 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 07:21:34,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 07:21:35,002 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 07:21:35,220 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 07:21:35,242 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 07:21:35,363 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 07:21:35,370 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:21:35,372 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 07:21:35,403 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-14 07:21:35,439 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:35,597 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,599 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,601 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,604 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,605 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 07:21:35,606 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,607 WARN L623 FunctionHandler]: Unknown extern function videobuf_waiton [2022-12-14 07:21:35,607 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_unmap [2022-12-14 07:21:35,607 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_free [2022-12-14 07:21:35,609 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,611 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,613 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,615 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,616 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,618 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,618 WARN L623 FunctionHandler]: Unknown extern function v4l2_get_timestamp [2022-12-14 07:21:35,619 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 07:21:35,621 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,622 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:21:35,624 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,625 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,628 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,630 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,635 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:35,637 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,637 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 07:21:35,639 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,640 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,642 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,642 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-12-14 07:21:35,644 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,646 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,647 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-14 07:21:35,648 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-12-14 07:21:35,648 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:21:35,648 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 07:21:35,653 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:35,655 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,655 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 07:21:35,656 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-12-14 07:21:35,657 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-12-14 07:21:35,657 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 07:21:35,657 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:21:35,657 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 07:21:35,662 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:35,664 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,665 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,666 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 07:21:35,666 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-12-14 07:21:35,666 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 07:21:35,671 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:35,672 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-12-14 07:21:35,673 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,674 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-12-14 07:21:35,675 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,677 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,678 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,679 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,684 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:35,684 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 07:21:35,685 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 07:21:35,689 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:35,691 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 07:21:35,691 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 07:21:35,696 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:35,697 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 07:21:35,698 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 07:21:35,705 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,706 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,708 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,708 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 07:21:35,709 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,710 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-12-14 07:21:35,711 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_init_class [2022-12-14 07:21:35,711 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 07:21:35,711 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 07:21:35,711 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 07:21:35,712 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 07:21:35,712 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 07:21:35,712 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 07:21:35,712 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:21:35,713 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 07:21:35,719 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,720 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:21:35,720 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:21:35,720 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 07:21:35,723 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 07:21:35,726 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,726 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-12-14 07:21:35,726 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 07:21:35,726 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:21:35,728 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,728 WARN L623 FunctionHandler]: Unknown extern function video_device_alloc [2022-12-14 07:21:35,730 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:21:35,730 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:21:35,731 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 07:21:35,731 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:21:35,732 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:35,732 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 07:21:36,102 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 07:21:36,107 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 07:21:36,108 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 07:21:36,119 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 07:21:36,120 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 07:21:36,128 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 07:21:36,128 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:21:36,178 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 07:21:36,186 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 07:21:36,224 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 07:21:36,224 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 07:21:36,224 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 07:21:36,225 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 07:21:36,326 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,331 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,332 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,334 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,335 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,336 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,336 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,338 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,339 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,341 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,342 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,343 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,344 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,349 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 07:21:36,350 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,353 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,354 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,357 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-12-14 07:21:36,363 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,364 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,365 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,366 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,367 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,368 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,374 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,375 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,376 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,382 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:36,383 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:21:36,383 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 07:21:36,396 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,396 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 07:21:36,396 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 07:21:36,398 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,399 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,400 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,405 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:21:36,445 WARN L623 FunctionHandler]: Unknown extern function v4l2_video_std_frame_period [2022-12-14 07:21:36,472 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,475 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,477 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,480 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,481 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,482 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,483 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,484 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,486 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,494 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,496 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,498 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,505 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,519 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,520 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,521 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,524 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,525 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,532 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,538 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-12-14 07:21:36,539 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-12-14 07:21:36,544 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-12-14 07:21:36,545 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-12-14 07:21:36,549 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-12-14 07:21:36,550 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-12-14 07:21:36,554 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-12-14 07:21:36,555 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-12-14 07:21:36,560 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,560 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-12-14 07:21:36,560 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-12-14 07:21:36,565 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,566 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,566 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,567 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-12-14 07:21:36,567 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-12-14 07:21:36,568 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,581 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 07:21:36,581 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 07:21:36,582 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 07:21:36,589 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,590 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,592 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,593 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,595 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 07:21:36,595 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 07:21:36,596 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 07:21:36,596 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 07:21:36,597 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 07:21:36,598 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,605 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,612 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,618 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,624 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 07:21:36,630 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 07:21:36,636 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-12-14 07:21:36,641 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,646 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,647 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,647 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,648 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-12-14 07:21:36,657 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-12-14 07:21:36,657 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-14 07:21:36,659 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:21:36,659 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:21:36,659 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:21:36,660 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 07:21:36,752 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,772 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,786 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,786 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,796 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 07:21:36,880 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,882 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,883 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,885 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 07:21:36,886 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 07:21:36,887 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,887 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 07:21:36,888 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,900 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,906 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,907 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,907 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 07:21:36,908 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 07:21:36,908 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 07:21:36,909 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 07:21:36,909 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-12-14 07:21:36,910 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,915 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,920 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,925 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,930 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,931 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-12-14 07:21:36,936 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,941 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,941 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 07:21:36,942 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 07:21:36,947 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,947 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,948 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 07:21:36,949 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,959 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,960 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,965 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,966 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:36,966 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-12-14 07:21:36,972 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:21:36,972 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:21:36,972 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 07:21:36,973 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:21:36,973 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 07:21:36,973 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 07:21:36,974 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 07:21:37,023 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 07:21:37,024 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:21:37,032 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 07:21:37,392 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_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[509912,509925] [2022-12-14 07:21:37,395 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_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510081,510094] [2022-12-14 07:21:37,395 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_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510248,510261] [2022-12-14 07:21:37,395 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_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510416,510429] [2022-12-14 07:21:37,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:21:37,451 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 07:21:37,547 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 07:21:37,550 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 07:21:37,551 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 07:21:37,557 WARN L623 FunctionHandler]: Unknown extern function debug_dma_alloc_coherent [2022-12-14 07:21:37,558 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 07:21:37,559 WARN L623 FunctionHandler]: Unknown extern function debug_dma_free_coherent [2022-12-14 07:21:37,561 WARN L623 FunctionHandler]: Unknown extern function __video_register_device [2022-12-14 07:21:37,563 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:37,569 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,570 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,571 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,576 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,577 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 07:21:37,578 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,578 WARN L623 FunctionHandler]: Unknown extern function videobuf_waiton [2022-12-14 07:21:37,578 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_unmap [2022-12-14 07:21:37,578 WARN L623 FunctionHandler]: Unknown extern function videobuf_dma_free [2022-12-14 07:21:37,579 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,580 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,587 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,589 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,589 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,590 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,591 WARN L623 FunctionHandler]: Unknown extern function v4l2_get_timestamp [2022-12-14 07:21:37,591 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 07:21:37,592 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,593 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 07:21:37,594 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,601 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,602 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,603 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,604 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:37,605 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,605 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 07:21:37,606 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,606 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,607 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,608 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_init [2022-12-14 07:21:37,608 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,611 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,611 WARN L623 FunctionHandler]: Unknown extern function try_module_get [2022-12-14 07:21:37,612 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_add [2022-12-14 07:21:37,612 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:21:37,612 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 07:21:37,613 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:37,614 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,614 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 07:21:37,616 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_del [2022-12-14 07:21:37,616 WARN L623 FunctionHandler]: Unknown extern function v4l2_fh_exit [2022-12-14 07:21:37,616 WARN L623 FunctionHandler]: Unknown extern function module_put [2022-12-14 07:21:37,617 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:21:37,617 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 07:21:37,618 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:37,618 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,619 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,619 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 07:21:37,620 WARN L623 FunctionHandler]: Unknown extern function videobuf_mmap_mapper [2022-12-14 07:21:37,620 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 07:21:37,621 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:37,621 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_poll [2022-12-14 07:21:37,621 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,622 WARN L623 FunctionHandler]: Unknown extern function videobuf_poll_stream [2022-12-14 07:21:37,623 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,624 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,624 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,625 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,626 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:37,626 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_nested [2022-12-14 07:21:37,626 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 07:21:37,626 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:37,627 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 07:21:37,627 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 07:21:37,628 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:37,628 WARN L623 FunctionHandler]: Unknown extern function mutex_lock_interruptible_nested [2022-12-14 07:21:37,630 WARN L623 FunctionHandler]: Unknown extern function mutex_unlock [2022-12-14 07:21:37,631 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,632 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,633 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,633 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 07:21:37,634 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,636 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_register [2022-12-14 07:21:37,636 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_init_class [2022-12-14 07:21:37,636 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 07:21:37,636 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 07:21:37,636 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 07:21:37,637 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 07:21:37,637 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_new_std [2022-12-14 07:21:37,637 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 07:21:37,638 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:21:37,638 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 07:21:37,643 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,646 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:21:37,646 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:21:37,646 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 07:21:37,647 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 07:21:37,658 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,658 WARN L623 FunctionHandler]: Unknown extern function v4l2_device_unregister [2022-12-14 07:21:37,658 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_handler_free [2022-12-14 07:21:37,659 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 07:21:37,664 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,664 WARN L623 FunctionHandler]: Unknown extern function video_device_alloc [2022-12-14 07:21:37,670 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:21:37,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:21:37,670 WARN L623 FunctionHandler]: Unknown extern function video_device_release [2022-12-14 07:21:37,670 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 07:21:37,671 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,671 WARN L623 FunctionHandler]: Unknown extern function video_unregister_device [2022-12-14 07:21:37,678 WARN L623 FunctionHandler]: Unknown extern function ldv_initialize [2022-12-14 07:21:37,681 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 07:21:37,682 WARN L623 FunctionHandler]: Unknown extern function video_ioctl2 [2022-12-14 07:21:37,688 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_interrupt_context [2022-12-14 07:21:37,689 WARN L623 FunctionHandler]: Unknown extern function ldv_switch_to_process_context [2022-12-14 07:21:37,694 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 07:21:37,695 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:21:37,695 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 07:21:37,695 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 07:21:37,696 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 07:21:37,696 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 07:21:37,696 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 07:21:37,697 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 07:21:37,699 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,702 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,703 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,703 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,704 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,705 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,705 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,706 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,707 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,711 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,711 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,712 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,713 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,714 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 07:21:37,714 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,716 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,717 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,718 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-12-14 07:21:37,722 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,722 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,723 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,738 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,739 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,741 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,746 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,747 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,748 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,750 WARN L623 FunctionHandler]: Unknown extern function video_devdata [2022-12-14 07:21:37,750 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:21:37,751 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 07:21:37,759 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,760 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 07:21:37,760 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 07:21:37,761 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,762 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,763 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,764 WARN L623 FunctionHandler]: Unknown extern function strlcpy [2022-12-14 07:21:37,773 WARN L623 FunctionHandler]: Unknown extern function v4l2_video_std_frame_period [2022-12-14 07:21:37,783 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,784 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,786 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,789 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,789 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,790 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,790 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,791 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,792 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,795 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,795 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,796 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,799 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,806 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,807 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,807 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,810 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,811 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,812 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,812 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-12-14 07:21:37,813 WARN L623 FunctionHandler]: Unknown extern function videobuf_reqbufs [2022-12-14 07:21:37,813 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-12-14 07:21:37,813 WARN L623 FunctionHandler]: Unknown extern function videobuf_querybuf [2022-12-14 07:21:37,813 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-12-14 07:21:37,814 WARN L623 FunctionHandler]: Unknown extern function videobuf_qbuf [2022-12-14 07:21:37,814 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-12-14 07:21:37,814 WARN L623 FunctionHandler]: Unknown extern function videobuf_dqbuf [2022-12-14 07:21:37,815 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,815 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-12-14 07:21:37,815 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamon [2022-12-14 07:21:37,818 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,818 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,819 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,819 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-12-14 07:21:37,820 WARN L623 FunctionHandler]: Unknown extern function videobuf_streamoff [2022-12-14 07:21:37,820 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,823 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 07:21:37,823 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 07:21:37,824 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 07:21:37,826 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,827 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,828 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,828 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,829 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 07:21:37,830 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 07:21:37,830 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 07:21:37,830 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 07:21:37,830 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 07:21:37,833 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,836 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,838 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,839 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,840 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 07:21:37,840 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 07:21:37,843 WARN L623 FunctionHandler]: Unknown extern function videobuf_stop [2022-12-14 07:21:37,845 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,848 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,849 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,849 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,850 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_one [2022-12-14 07:21:37,853 WARN L623 FunctionHandler]: Unknown extern function v4l2_ctrl_subscribe_event [2022-12-14 07:21:37,853 WARN L623 FunctionHandler]: Unknown extern function v4l2_event_unsubscribe [2022-12-14 07:21:37,854 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:21:37,854 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:21:37,854 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:21:37,855 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 07:21:37,887 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,895 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,906 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,906 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,907 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 07:21:37,912 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,913 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,914 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,939 WARN L623 FunctionHandler]: Unknown extern function add_wait_queue [2022-12-14 07:21:37,940 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 07:21:37,940 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,940 WARN L623 FunctionHandler]: Unknown extern function remove_wait_queue [2022-12-14 07:21:37,941 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,947 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,948 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,949 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,949 WARN L623 FunctionHandler]: Unknown extern function videobuf_to_dma [2022-12-14 07:21:37,950 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_free [2022-12-14 07:21:37,950 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_alloc [2022-12-14 07:21:37,950 WARN L623 FunctionHandler]: Unknown extern function videobuf_iolock [2022-12-14 07:21:37,950 WARN L623 FunctionHandler]: Unknown extern function saa7146_pgtable_build_single [2022-12-14 07:21:37,952 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,953 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,956 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,957 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,959 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,960 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_cancel [2022-12-14 07:21:37,961 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,961 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,961 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 07:21:37,962 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 07:21:37,964 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,965 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,965 WARN L623 FunctionHandler]: Unknown extern function videobuf_queue_sg_init [2022-12-14 07:21:37,966 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,969 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,971 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,972 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,975 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,975 WARN L623 FunctionHandler]: Unknown extern function __dynamic_pr_debug [2022-12-14 07:21:37,976 WARN L623 FunctionHandler]: Unknown extern function videobuf_read_stream [2022-12-14 07:21:37,977 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:21:37,977 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:21:37,977 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 07:21:37,977 WARN L623 FunctionHandler]: Unknown extern function __ldv_spin_lock [2022-12-14 07:21:37,977 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 07:21:37,978 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 07:21:37,978 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 07:21:37,980 WARN L623 FunctionHandler]: Unknown extern function ldv_check_alloc_flags [2022-12-14 07:21:37,980 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 07:21:37,980 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 07:21:37,990 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_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[509912,509925] [2022-12-14 07:21:37,990 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_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510081,510094] [2022-12-14 07:21:37,991 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_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510248,510261] [2022-12-14 07:21:37,991 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_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i[510416,510429] [2022-12-14 07:21:37,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 07:21:38,083 INFO L208 MainTranslator]: Completed translation [2022-12-14 07:21:38,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:38 WrapperNode [2022-12-14 07:21:38,084 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 07:21:38,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 07:21:38,085 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 07:21:38,085 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 07:21:38,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:38" (1/1) ... [2022-12-14 07:21:38,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:38" (1/1) ... [2022-12-14 07:21:38,461 INFO L138 Inliner]: procedures = 487, calls = 6591, calls flagged for inlining = 235, calls inlined = 218, statements flattened = 12068 [2022-12-14 07:21:38,462 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 07:21:38,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 07:21:38,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 07:21:38,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 07:21:38,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:38" (1/1) ... [2022-12-14 07:21:38,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:38" (1/1) ... [2022-12-14 07:21:38,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:38" (1/1) ... [2022-12-14 07:21:38,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:38" (1/1) ... [2022-12-14 07:21:38,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:38" (1/1) ... [2022-12-14 07:21:38,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:38" (1/1) ... [2022-12-14 07:21:38,942 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:38" (1/1) ... [2022-12-14 07:21:38,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:38" (1/1) ... [2022-12-14 07:21:39,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 07:21:39,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 07:21:39,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 07:21:39,038 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 07:21:39,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:38" (1/1) ... [2022-12-14 07:21:39,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 07:21:39,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 07:21:39,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 07:21:39,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bdf0e7d-afa1-4342-8dcb-4b10b707b989/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 07:21:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamoff [2022-12-14 07:21:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamoff [2022-12-14 07:21:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure video_open [2022-12-14 07:21:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure video_open [2022-12-14 07:21:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_DISABLE___0 [2022-12-14 07:21:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_DISABLE___0 [2022-12-14 07:21:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_reqbufs [2022-12-14 07:21:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_reqbufs [2022-12-14 07:21:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 07:21:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 07:21:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_cap [2022-12-14 07:21:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_cap [2022-12-14 07:21:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 07:21:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 07:21:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_enum_fmt_vid_cap [2022-12-14 07:21:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_enum_fmt_vid_cap [2022-12-14 07:21:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_reqbufs [2022-12-14 07:21:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_reqbufs [2022-12-14 07:21:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_window [2022-12-14 07:21:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_window [2022-12-14 07:21:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 07:21:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 07:21:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-12-14 07:21:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-12-14 07:21:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_get [2022-12-14 07:21:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_get [2022-12-14 07:21:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure video_end [2022-12-14 07:21:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure video_end [2022-12-14 07:21:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure arch_spin_is_locked [2022-12-14 07:21:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_spin_is_locked [2022-12-14 07:21:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_to_dma [2022-12-14 07:21:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_to_dma [2022-12-14 07:21:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_cap [2022-12-14 07:21:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_cap [2022-12-14 07:21:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2022-12-14 07:21:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_saa7146_vv_cleanup_module_9_2 [2022-12-14 07:21:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_queue [2022-12-14 07:21:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_queue [2022-12-14 07:21:39,094 INFO L130 BoogieDeclarations]: Found specification of procedure video_close [2022-12-14 07:21:39,094 INFO L138 BoogieDeclarations]: Found implementation of procedure video_close [2022-12-14 07:21:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_open [2022-12-14 07:21:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_open [2022-12-14 07:21:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_59 [2022-12-14 07:21:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_59 [2022-12-14 07:21:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_std [2022-12-14 07:21:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_std [2022-12-14 07:21:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_alloc [2022-12-14 07:21:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_alloc [2022-12-14 07:21:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_54 [2022-12-14 07:21:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_54 [2022-12-14 07:21:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 07:21:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 07:21:39,095 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-12-14 07:21:39,095 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-12-14 07:21:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-12-14 07:21:39,096 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-12-14 07:21:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_irq_done [2022-12-14 07:21:39,096 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_irq_done [2022-12-14 07:21:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-12-14 07:21:39,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-12-14 07:21:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-12-14 07:21:39,096 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-12-14 07:21:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 07:21:39,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 07:21:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querybuf [2022-12-14 07:21:39,096 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querybuf [2022-12-14 07:21:39,096 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 07:21:39,096 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 07:21:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2022-12-14 07:21:39,097 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2022-12-14 07:21:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 07:21:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vid_overlay [2022-12-14 07:21:39,097 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vid_overlay [2022-12-14 07:21:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_dqbuf [2022-12-14 07:21:39,097 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_dqbuf [2022-12-14 07:21:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_60 [2022-12-14 07:21:39,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_60 [2022-12-14 07:21:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure video_irq_done [2022-12-14 07:21:39,097 INFO L138 BoogieDeclarations]: Found implementation of procedure video_irq_done [2022-12-14 07:21:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-12-14 07:21:39,097 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-12-14 07:21:39,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_saa7146_dev [2022-12-14 07:21:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_saa7146_dev [2022-12-14 07:21:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fmt_vid_overlay [2022-12-14 07:21:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fmt_vid_overlay [2022-12-14 07:21:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2022-12-14 07:21:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2022-12-14 07:21:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-14 07:21:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-14 07:21:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-12-14 07:21:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-12-14 07:21:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure sort_and_eliminate [2022-12-14 07:21:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure sort_and_eliminate [2022-12-14 07:21:39,098 INFO L130 BoogieDeclarations]: Found specification of procedure video_ioctl2 [2022-12-14 07:21:39,098 INFO L138 BoogieDeclarations]: Found implementation of procedure video_ioctl2 [2022-12-14 07:21:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 07:21:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_qbuf [2022-12-14 07:21:39,099 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_qbuf [2022-12-14 07:21:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 07:21:39,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 07:21:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 07:21:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure fops_read [2022-12-14 07:21:39,099 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_read [2022-12-14 07:21:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 07:21:39,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 07:21:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure release_all_pagetables [2022-12-14 07:21:39,099 INFO L138 BoogieDeclarations]: Found implementation of procedure release_all_pagetables [2022-12-14 07:21:39,099 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_finish [2022-12-14 07:21:39,099 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_finish [2022-12-14 07:21:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_set_output_format [2022-12-14 07:21:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_set_output_format [2022-12-14 07:21:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure video_read [2022-12-14 07:21:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure video_read [2022-12-14 07:21:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-12-14 07:21:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-12-14 07:21:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_stop [2022-12-14 07:21:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_stop [2022-12-14 07:21:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_res_free [2022-12-14 07:21:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_res_free [2022-12-14 07:21:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2022-12-14 07:21:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_subscribe_event [2022-12-14 07:21:39,100 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_fbuf [2022-12-14 07:21:39,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_fbuf [2022-12-14 07:21:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 07:21:39,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-12-14 07:21:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_free [2022-12-14 07:21:39,101 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_free [2022-12-14 07:21:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 07:21:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-12-14 07:21:39,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-12-14 07:21:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-12-14 07:21:39,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-12-14 07:21:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-12-14 07:21:39,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-12-14 07:21:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-12-14 07:21:39,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-12-14 07:21:39,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 07:21:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 07:21:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_queue_sg_init [2022-12-14 07:21:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_queue_sg_init [2022-12-14 07:21:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_pgtable_build_single [2022-12-14 07:21:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_pgtable_build_single [2022-12-14 07:21:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 07:21:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_s_ctrl [2022-12-14 07:21:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_s_ctrl [2022-12-14 07:21:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 07:21:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 07:21:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 07:21:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 07:21:39,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 07:21:39,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 07:21:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_queue [2022-12-14 07:21:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_queue [2022-12-14 07:21:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_qbuf [2022-12-14 07:21:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_qbuf [2022-12-14 07:21:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 07:21:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 07:21:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_streamon [2022-12-14 07:21:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_streamon [2022-12-14 07:21:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-12-14 07:21:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-12-14 07:21:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_iolock [2022-12-14 07:21:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_iolock [2022-12-14 07:21:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure video_init [2022-12-14 07:21:39,103 INFO L138 BoogieDeclarations]: Found implementation of procedure video_init [2022-12-14 07:21:39,103 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_overlay [2022-12-14 07:21:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_overlay [2022-12-14 07:21:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fmt_vbi_cap [2022-12-14 07:21:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fmt_vbi_cap [2022-12-14 07:21:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-12-14 07:21:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-12-14 07:21:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-12-14 07:21:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-12-14 07:21:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2022-12-14 07:21:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_event_unsubscribe [2022-12-14 07:21:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure fops_mmap [2022-12-14 07:21:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_mmap [2022-12-14 07:21:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 07:21:39,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 07:21:39,104 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_disable_clipping [2022-12-14 07:21:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_disable_clipping [2022-12-14 07:21:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_parm [2022-12-14 07:21:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_parm [2022-12-14 07:21:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 07:21:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 07:21:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 07:21:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 07:21:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_stop_preview [2022-12-14 07:21:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_stop_preview [2022-12-14 07:21:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-12-14 07:21:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-12-14 07:21:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_int_slock_of_saa7146_dev [2022-12-14 07:21:39,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_int_slock_of_saa7146_dev [2022-12-14 07:21:39,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_saa7146_dev [2022-12-14 07:21:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_saa7146_dev [2022-12-14 07:21:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-12-14 07:21:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-12-14 07:21:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure video_begin [2022-12-14 07:21:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure video_begin [2022-12-14 07:21:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-12-14 07:21:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-12-14 07:21:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure fops_open [2022-12-14 07:21:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_open [2022-12-14 07:21:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_init [2022-12-14 07:21:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_init [2022-12-14 07:21:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 07:21:39,106 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 07:21:39,106 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_fbuf [2022-12-14 07:21:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_fbuf [2022-12-14 07:21:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-12-14 07:21:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-12-14 07:21:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-12-14 07:21:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-12-14 07:21:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 07:21:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 07:21:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 07:21:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 07:21:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_release [2022-12-14 07:21:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_release [2022-12-14 07:21:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 07:21:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 07:21:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 07:21:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2022-12-14 07:21:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2022-12-14 07:21:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-12-14 07:21:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-12-14 07:21:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-12-14 07:21:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-12-14 07:21:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 07:21:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 07:21:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 07:21:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 07:21:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_dqbuf [2022-12-14 07:21:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_dqbuf [2022-12-14 07:21:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 07:21:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 07:21:39,108 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2022-12-14 07:21:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2022-12-14 07:21:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_start_preview [2022-12-14 07:21:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_start_preview [2022-12-14 07:21:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2022-12-14 07:21:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2022-12-14 07:21:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure fops_release [2022-12-14 07:21:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_release [2022-12-14 07:21:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure videobuf_querybuf [2022-12-14 07:21:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure videobuf_querybuf [2022-12-14 07:21:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure SAA7146_IER_ENABLE___0 [2022-12-14 07:21:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure SAA7146_IER_ENABLE___0 [2022-12-14 07:21:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 07:21:39,109 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 07:21:39,109 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_write_out_dma [2022-12-14 07:21:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_write_out_dma [2022-12-14 07:21:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 07:21:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 07:21:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 07:21:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_format_by_fourcc [2022-12-14 07:21:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_format_by_fourcc [2022-12-14 07:21:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_dma_free [2022-12-14 07:21:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_dma_free [2022-12-14 07:21:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure saa7146_buffer_next [2022-12-14 07:21:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure saa7146_buffer_next [2022-12-14 07:21:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure program_capture_engine [2022-12-14 07:21:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure program_capture_engine [2022-12-14 07:21:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_close [2022-12-14 07:21:39,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_close [2022-12-14 07:21:39,110 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-14 07:21:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-14 07:21:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_setup [2022-12-14 07:21:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_setup [2022-12-14 07:21:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 07:21:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 07:21:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 07:21:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 07:21:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure fops_write [2022-12-14 07:21:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_write [2022-12-14 07:21:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_read [2022-12-14 07:21:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_read [2022-12-14 07:21:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 07:21:39,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-12-14 07:21:39,111 INFO L130 BoogieDeclarations]: Found specification of procedure fops_poll [2022-12-14 07:21:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure fops_poll [2022-12-14 07:21:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-12-14 07:21:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-12-14 07:21:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 07:21:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 07:21:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-12-14 07:21:39,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-12-14 07:21:39,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-12-14 07:21:40,025 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 07:21:40,029 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 07:21:40,315 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 07:22:42,738 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-12-14 07:22:42,840 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 07:22:44,810 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 07:22:44,810 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-14 07:22:44,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:22:44 BoogieIcfgContainer [2022-12-14 07:22:44,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 07:22:44,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 07:22:44,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 07:22:44,818 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 07:22:44,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 07:21:34" (1/3) ... [2022-12-14 07:22:44,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e6e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:22:44, skipping insertion in model container [2022-12-14 07:22:44,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:21:38" (2/3) ... [2022-12-14 07:22:44,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29e6e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 07:22:44, skipping insertion in model container [2022-12-14 07:22:44,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:22:44" (3/3) ... [2022-12-14 07:22:44,820 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-common-saa7146-saa7146_vv.cil.i [2022-12-14 07:22:44,834 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 07:22:44,834 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-14 07:22:44,896 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 07:22:44,900 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;@3b0c9615, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 07:22:44,900 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-14 07:22:44,908 INFO L276 IsEmpty]: Start isEmpty. Operand has 2523 states, 1592 states have (on average 1.329145728643216) internal successors, (2116), 1609 states have internal predecessors, (2116), 792 states have call successors, (792), 137 states have call predecessors, (792), 136 states have return successors, (783), 776 states have call predecessors, (783), 783 states have call successors, (783) [2022-12-14 07:22:44,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2022-12-14 07:22:44,960 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:22:44,961 INFO L195 NwaCegarLoop]: trace histogram [44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:22:44,961 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:22:44,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:22:44,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1655244084, now seen corresponding path program 1 times [2022-12-14 07:22:44,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:22:44,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883089624] [2022-12-14 07:22:44,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:22:44,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:22:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:22:46,111 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7310 trivial. 0 not checked. [2022-12-14 07:22:46,111 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:22:46,111 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883089624] [2022-12-14 07:22:46,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883089624] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:22:46,112 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:22:46,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:22:46,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570596928] [2022-12-14 07:22:46,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:22:46,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:22:46,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:22:46,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:22:46,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:22:46,146 INFO L87 Difference]: Start difference. First operand has 2523 states, 1592 states have (on average 1.329145728643216) internal successors, (2116), 1609 states have internal predecessors, (2116), 792 states have call successors, (792), 137 states have call predecessors, (792), 136 states have return successors, (783), 776 states have call predecessors, (783), 783 states have call successors, (783) Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 07:22:49,106 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:22:51,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:22:53,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:22:58,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:01,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:03,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:05,216 WARN L539 Checker$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 07:23:07,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:09,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:11,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:13,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:14,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:16,602 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:18,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:20,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:20,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:23:20,701 INFO L93 Difference]: Finished difference Result 7227 states and 10766 transitions. [2022-12-14 07:23:20,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:23:20,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 445 [2022-12-14 07:23:20,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:23:20,736 INFO L225 Difference]: With dead ends: 7227 [2022-12-14 07:23:20,736 INFO L226 Difference]: Without dead ends: 4778 [2022-12-14 07:23:20,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:23:20,754 INFO L413 NwaCegarLoop]: 3836 mSDtfsCounter, 3312 mSDsluCounter, 3117 mSDsCounter, 0 mSdLazyCounter, 1081 mSolverCounterSat, 15 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 6953 SdHoareTripleChecker+Invalid, 1105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 1081 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:23:20,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 6953 Invalid, 1105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 1081 Invalid, 9 Unknown, 0 Unchecked, 34.2s Time] [2022-12-14 07:23:20,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4778 states. [2022-12-14 07:23:20,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4778 to 4769. [2022-12-14 07:23:20,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4769 states, 3037 states have (on average 1.3249917681922951) internal successors, (4024), 3070 states have internal predecessors, (4024), 1464 states have call successors, (1464), 266 states have call predecessors, (1464), 265 states have return successors, (1470), 1446 states have call predecessors, (1470), 1460 states have call successors, (1470) [2022-12-14 07:23:21,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4769 states to 4769 states and 6958 transitions. [2022-12-14 07:23:21,010 INFO L78 Accepts]: Start accepts. Automaton has 4769 states and 6958 transitions. Word has length 445 [2022-12-14 07:23:21,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:23:21,011 INFO L495 AbstractCegarLoop]: Abstraction has 4769 states and 6958 transitions. [2022-12-14 07:23:21,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 07:23:21,011 INFO L276 IsEmpty]: Start isEmpty. Operand 4769 states and 6958 transitions. [2022-12-14 07:23:21,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2022-12-14 07:23:21,020 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:23:21,020 INFO L195 NwaCegarLoop]: trace histogram [44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:23:21,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 07:23:21,020 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:23:21,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:23:21,021 INFO L85 PathProgramCache]: Analyzing trace with hash -564042268, now seen corresponding path program 1 times [2022-12-14 07:23:21,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:23:21,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097606439] [2022-12-14 07:23:21,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:23:21,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:23:21,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:23:21,759 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7310 trivial. 0 not checked. [2022-12-14 07:23:21,759 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:23:21,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097606439] [2022-12-14 07:23:21,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097606439] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:23:21,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:23:21,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:23:21,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951787493] [2022-12-14 07:23:21,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:23:21,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:23:21,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:23:21,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:23:21,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:23:21,763 INFO L87 Difference]: Start difference. First operand 4769 states and 6958 transitions. Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-12-14 07:23:23,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:25,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:28,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:31,613 WARN L539 Checker$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 07:23:33,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:36,980 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:39,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:40,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:43,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:44,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:46,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:48,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:50,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:23:52,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:54,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:23:54,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:23:54,284 INFO L93 Difference]: Finished difference Result 13992 states and 20535 transitions. [2022-12-14 07:23:54,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:23:54,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) Word has length 451 [2022-12-14 07:23:54,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:23:54,331 INFO L225 Difference]: With dead ends: 13992 [2022-12-14 07:23:54,331 INFO L226 Difference]: Without dead ends: 9310 [2022-12-14 07:23:54,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:23:54,351 INFO L413 NwaCegarLoop]: 3867 mSDtfsCounter, 3378 mSDsluCounter, 3155 mSDsCounter, 0 mSdLazyCounter, 1034 mSolverCounterSat, 3 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3388 SdHoareTripleChecker+Valid, 7022 SdHoareTripleChecker+Invalid, 1047 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1034 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:23:54,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3388 Valid, 7022 Invalid, 1047 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1034 Invalid, 10 Unknown, 0 Unchecked, 32.2s Time] [2022-12-14 07:23:54,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9310 states. [2022-12-14 07:23:54,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9310 to 9274. [2022-12-14 07:23:54,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9274 states, 5928 states have (on average 1.3281039136302295) internal successors, (7873), 5992 states have internal predecessors, (7873), 2821 states have call successors, (2821), 527 states have call predecessors, (2821), 522 states have return successors, (2969), 2778 states have call predecessors, (2969), 2817 states have call successors, (2969) [2022-12-14 07:23:54,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9274 states to 9274 states and 13663 transitions. [2022-12-14 07:23:54,735 INFO L78 Accepts]: Start accepts. Automaton has 9274 states and 13663 transitions. Word has length 451 [2022-12-14 07:23:54,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:23:54,736 INFO L495 AbstractCegarLoop]: Abstraction has 9274 states and 13663 transitions. [2022-12-14 07:23:54,736 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 2 states have call predecessors, (45), 2 states have call successors, (45) [2022-12-14 07:23:54,736 INFO L276 IsEmpty]: Start isEmpty. Operand 9274 states and 13663 transitions. [2022-12-14 07:23:54,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2022-12-14 07:23:54,744 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:23:54,744 INFO L195 NwaCegarLoop]: trace histogram [44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:23:54,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 07:23:54,745 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:23:54,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:23:54,745 INFO L85 PathProgramCache]: Analyzing trace with hash 1858011899, now seen corresponding path program 1 times [2022-12-14 07:23:54,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:23:54,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806489271] [2022-12-14 07:23:54,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:23:54,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:23:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:23:55,259 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7310 trivial. 0 not checked. [2022-12-14 07:23:55,259 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:23:55,259 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806489271] [2022-12-14 07:23:55,259 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806489271] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:23:55,259 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:23:55,259 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:23:55,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371998014] [2022-12-14 07:23:55,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:23:55,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:23:55,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:23:55,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:23:55,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:23:55,261 INFO L87 Difference]: Start difference. First operand 9274 states and 13663 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 07:23:58,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:00,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:01,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:05,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:08,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:09,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:11,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:13,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:15,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:17,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:19,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:21,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:23,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:24,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:26,757 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:28,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:30,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:30,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:24:30,863 INFO L93 Difference]: Finished difference Result 22787 states and 33519 transitions. [2022-12-14 07:24:30,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:24:30,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 463 [2022-12-14 07:24:30,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:24:30,922 INFO L225 Difference]: With dead ends: 22787 [2022-12-14 07:24:30,922 INFO L226 Difference]: Without dead ends: 13600 [2022-12-14 07:24:30,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:24:30,951 INFO L413 NwaCegarLoop]: 3804 mSDtfsCounter, 3296 mSDsluCounter, 3087 mSDsCounter, 0 mSdLazyCounter, 1087 mSolverCounterSat, 13 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3306 SdHoareTripleChecker+Valid, 6891 SdHoareTripleChecker+Invalid, 1108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1087 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:24:30,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3306 Valid, 6891 Invalid, 1108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1087 Invalid, 8 Unknown, 0 Unchecked, 35.2s Time] [2022-12-14 07:24:30,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13600 states. [2022-12-14 07:24:31,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13600 to 13558. [2022-12-14 07:24:31,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13558 states, 8719 states have (on average 1.327675192109187) internal successors, (11576), 8816 states have internal predecessors, (11576), 4043 states have call successors, (4043), 800 states have call predecessors, (4043), 793 states have return successors, (4275), 3973 states have call predecessors, (4275), 4039 states have call successors, (4275) [2022-12-14 07:24:31,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13558 states to 13558 states and 19894 transitions. [2022-12-14 07:24:31,524 INFO L78 Accepts]: Start accepts. Automaton has 13558 states and 19894 transitions. Word has length 463 [2022-12-14 07:24:31,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:24:31,525 INFO L495 AbstractCegarLoop]: Abstraction has 13558 states and 19894 transitions. [2022-12-14 07:24:31,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 07:24:31,526 INFO L276 IsEmpty]: Start isEmpty. Operand 13558 states and 19894 transitions. [2022-12-14 07:24:31,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 470 [2022-12-14 07:24:31,534 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:24:31,535 INFO L195 NwaCegarLoop]: trace histogram [44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:24:31,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 07:24:31,535 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:24:31,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:24:31,535 INFO L85 PathProgramCache]: Analyzing trace with hash 693547408, now seen corresponding path program 1 times [2022-12-14 07:24:31,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:24:31,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087200141] [2022-12-14 07:24:31,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:24:31,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:24:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:24:31,927 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7310 trivial. 0 not checked. [2022-12-14 07:24:31,928 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:24:31,928 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087200141] [2022-12-14 07:24:31,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087200141] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:24:31,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:24:31,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:24:31,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089904700] [2022-12-14 07:24:31,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:24:31,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:24:31,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:24:31,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:24:31,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:24:31,930 INFO L87 Difference]: Start difference. First operand 13558 states and 19894 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 07:24:33,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:34,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:37,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:39,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:41,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:47,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:49,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:50,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:52,810 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:54,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:24:56,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:24:58,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:00,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:02,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:04,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:06,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:06,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:25:06,689 INFO L93 Difference]: Finished difference Result 34804 states and 50988 transitions. [2022-12-14 07:25:06,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:25:06,690 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 469 [2022-12-14 07:25:06,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:25:06,777 INFO L225 Difference]: With dead ends: 34804 [2022-12-14 07:25:06,777 INFO L226 Difference]: Without dead ends: 21333 [2022-12-14 07:25:06,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:25:06,829 INFO L413 NwaCegarLoop]: 4276 mSDtfsCounter, 3308 mSDsluCounter, 3088 mSDsCounter, 0 mSdLazyCounter, 1189 mSolverCounterSat, 13 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3321 SdHoareTripleChecker+Valid, 7364 SdHoareTripleChecker+Invalid, 1212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1189 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.2s IncrementalHoareTripleChecker+Time [2022-12-14 07:25:06,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3321 Valid, 7364 Invalid, 1212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1189 Invalid, 10 Unknown, 0 Unchecked, 34.2s Time] [2022-12-14 07:25:06,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21333 states. [2022-12-14 07:25:07,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21333 to 21294. [2022-12-14 07:25:07,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21294 states, 13763 states have (on average 1.3283441110223062) internal successors, (18282), 13920 states have internal predecessors, (18282), 6253 states have call successors, (6253), 1286 states have call predecessors, (6253), 1275 states have return successors, (6584), 6135 states have call predecessors, (6584), 6249 states have call successors, (6584) [2022-12-14 07:25:07,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21294 states to 21294 states and 31119 transitions. [2022-12-14 07:25:07,689 INFO L78 Accepts]: Start accepts. Automaton has 21294 states and 31119 transitions. Word has length 469 [2022-12-14 07:25:07,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:25:07,690 INFO L495 AbstractCegarLoop]: Abstraction has 21294 states and 31119 transitions. [2022-12-14 07:25:07,690 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-12-14 07:25:07,690 INFO L276 IsEmpty]: Start isEmpty. Operand 21294 states and 31119 transitions. [2022-12-14 07:25:07,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2022-12-14 07:25:07,695 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:25:07,695 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:25:07,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 07:25:07,695 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:25:07,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:25:07,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1647720211, now seen corresponding path program 1 times [2022-12-14 07:25:07,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:25:07,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901162483] [2022-12-14 07:25:07,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:25:07,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:25:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:25:08,913 INFO L134 CoverageAnalysis]: Checked inductivity of 7492 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7492 trivial. 0 not checked. [2022-12-14 07:25:08,913 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:25:08,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901162483] [2022-12-14 07:25:08,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901162483] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:25:08,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:25:08,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:25:08,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89354258] [2022-12-14 07:25:08,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:25:08,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:25:08,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:25:08,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:25:08,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:25:08,916 INFO L87 Difference]: Start difference. First operand 21294 states and 31119 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-14 07:25:18,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:21,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:25,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:28,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:29,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:31,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:33,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:35,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:37,409 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:39,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:41,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:43,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:45,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:25:47,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:47,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:25:47,678 INFO L93 Difference]: Finished difference Result 21660 states and 31574 transitions. [2022-12-14 07:25:47,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:25:47,679 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 479 [2022-12-14 07:25:47,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:25:47,741 INFO L225 Difference]: With dead ends: 21660 [2022-12-14 07:25:47,741 INFO L226 Difference]: Without dead ends: 21658 [2022-12-14 07:25:47,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:25:47,749 INFO L413 NwaCegarLoop]: 3149 mSDtfsCounter, 3384 mSDsluCounter, 6487 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 37.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3404 SdHoareTripleChecker+Valid, 9636 SdHoareTripleChecker+Invalid, 1616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1604 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.1s IncrementalHoareTripleChecker+Time [2022-12-14 07:25:47,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3404 Valid, 9636 Invalid, 1616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1604 Invalid, 11 Unknown, 0 Unchecked, 38.1s Time] [2022-12-14 07:25:47,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21658 states. [2022-12-14 07:25:48,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21658 to 21654. [2022-12-14 07:25:48,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21654 states, 13962 states have (on average 1.324953445065177) internal successors, (18499), 14129 states have internal predecessors, (18499), 6347 states have call successors, (6347), 1345 states have call predecessors, (6347), 1342 states have return successors, (6721), 6227 states have call predecessors, (6721), 6343 states have call successors, (6721) [2022-12-14 07:25:48,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21654 states to 21654 states and 31567 transitions. [2022-12-14 07:25:48,554 INFO L78 Accepts]: Start accepts. Automaton has 21654 states and 31567 transitions. Word has length 479 [2022-12-14 07:25:48,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:25:48,554 INFO L495 AbstractCegarLoop]: Abstraction has 21654 states and 31567 transitions. [2022-12-14 07:25:48,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-12-14 07:25:48,555 INFO L276 IsEmpty]: Start isEmpty. Operand 21654 states and 31567 transitions. [2022-12-14 07:25:48,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-12-14 07:25:48,560 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:25:48,560 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 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] [2022-12-14 07:25:48,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 07:25:48,560 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:25:48,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:25:48,560 INFO L85 PathProgramCache]: Analyzing trace with hash 987033662, now seen corresponding path program 1 times [2022-12-14 07:25:48,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:25:48,560 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160286148] [2022-12-14 07:25:48,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:25:48,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:25:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:25:49,452 INFO L134 CoverageAnalysis]: Checked inductivity of 7495 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 7493 trivial. 0 not checked. [2022-12-14 07:25:49,453 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:25:49,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160286148] [2022-12-14 07:25:49,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160286148] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:25:49,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:25:49,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:25:49,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189287135] [2022-12-14 07:25:49,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:25:49,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:25:49,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:25:49,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:25:49,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:25:49,455 INFO L87 Difference]: Start difference. First operand 21654 states and 31567 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-12-14 07:25:52,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:25:58,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:00,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:04,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:07,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:10,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:12,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:14,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:16,439 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:18,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:20,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:22,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:24,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:24,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:26:24,680 INFO L93 Difference]: Finished difference Result 21664 states and 31577 transitions. [2022-12-14 07:26:24,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:26:24,681 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 485 [2022-12-14 07:26:24,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:26:24,750 INFO L225 Difference]: With dead ends: 21664 [2022-12-14 07:26:24,750 INFO L226 Difference]: Without dead ends: 21662 [2022-12-14 07:26:24,761 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:26:24,761 INFO L413 NwaCegarLoop]: 3152 mSDtfsCounter, 3379 mSDsluCounter, 6487 mSDsCounter, 0 mSdLazyCounter, 1601 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3398 SdHoareTripleChecker+Valid, 9639 SdHoareTripleChecker+Invalid, 1613 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1601 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:26:24,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3398 Valid, 9639 Invalid, 1613 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1601 Invalid, 11 Unknown, 0 Unchecked, 34.6s Time] [2022-12-14 07:26:24,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21662 states. [2022-12-14 07:26:25,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21662 to 21658. [2022-12-14 07:26:25,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21658 states, 13965 states have (on average 1.3248836376655926) internal successors, (18502), 14132 states have internal predecessors, (18502), 6347 states have call successors, (6347), 1346 states have call predecessors, (6347), 1343 states have return successors, (6721), 6227 states have call predecessors, (6721), 6343 states have call successors, (6721) [2022-12-14 07:26:25,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21658 states to 21658 states and 31570 transitions. [2022-12-14 07:26:25,638 INFO L78 Accepts]: Start accepts. Automaton has 21658 states and 31570 transitions. Word has length 485 [2022-12-14 07:26:25,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:26:25,638 INFO L495 AbstractCegarLoop]: Abstraction has 21658 states and 31570 transitions. [2022-12-14 07:26:25,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-12-14 07:26:25,638 INFO L276 IsEmpty]: Start isEmpty. Operand 21658 states and 31570 transitions. [2022-12-14 07:26:25,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-12-14 07:26:25,643 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:26:25,644 INFO L195 NwaCegarLoop]: trace histogram [44, 43, 43, 43, 43, 43, 43, 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] [2022-12-14 07:26:25,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 07:26:25,644 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:26:25,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:26:25,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1858300196, now seen corresponding path program 1 times [2022-12-14 07:26:25,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:26:25,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948273651] [2022-12-14 07:26:25,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:26:25,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:26:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:26:26,304 INFO L134 CoverageAnalysis]: Checked inductivity of 7312 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7312 trivial. 0 not checked. [2022-12-14 07:26:26,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:26:26,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948273651] [2022-12-14 07:26:26,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948273651] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:26:26,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:26:26,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:26:26,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648363902] [2022-12-14 07:26:26,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:26:26,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:26:26,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:26:26,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:26:26,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:26:26,306 INFO L87 Difference]: Start difference. First operand 21658 states and 31570 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 07:26:27,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:31,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:37,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:41,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:43,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:45,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:47,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:50,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:26:52,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:54,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:55,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:57,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:26:59,286 WARN L539 Checker$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 07:26:59,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:26:59,396 INFO L93 Difference]: Finished difference Result 59222 states and 86378 transitions. [2022-12-14 07:26:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:26:59,397 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 487 [2022-12-14 07:26:59,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:26:59,511 INFO L225 Difference]: With dead ends: 59222 [2022-12-14 07:26:59,511 INFO L226 Difference]: Without dead ends: 37651 [2022-12-14 07:26:59,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:26:59,563 INFO L413 NwaCegarLoop]: 4020 mSDtfsCounter, 3188 mSDsluCounter, 3109 mSDsCounter, 0 mSdLazyCounter, 1092 mSolverCounterSat, 7 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3198 SdHoareTripleChecker+Valid, 7129 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1092 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 31.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:26:59,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3198 Valid, 7129 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1092 Invalid, 10 Unknown, 0 Unchecked, 31.8s Time] [2022-12-14 07:26:59,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37651 states. [2022-12-14 07:27:01,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37651 to 37581. [2022-12-14 07:27:01,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37581 states, 24192 states have (on average 1.323950066137566) internal successors, (32029), 24500 states have internal predecessors, (32029), 11047 states have call successors, (11047), 2350 states have call predecessors, (11047), 2339 states have return successors, (11737), 10808 states have call predecessors, (11737), 11043 states have call successors, (11737) [2022-12-14 07:27:01,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37581 states to 37581 states and 54813 transitions. [2022-12-14 07:27:01,189 INFO L78 Accepts]: Start accepts. Automaton has 37581 states and 54813 transitions. Word has length 487 [2022-12-14 07:27:01,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:27:01,190 INFO L495 AbstractCegarLoop]: Abstraction has 37581 states and 54813 transitions. [2022-12-14 07:27:01,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2022-12-14 07:27:01,190 INFO L276 IsEmpty]: Start isEmpty. Operand 37581 states and 54813 transitions. [2022-12-14 07:27:01,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2022-12-14 07:27:01,194 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:27:01,195 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:27:01,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 07:27:01,195 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:27:01,195 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:27:01,195 INFO L85 PathProgramCache]: Analyzing trace with hash -1189860557, now seen corresponding path program 1 times [2022-12-14 07:27:01,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:27:01,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532335555] [2022-12-14 07:27:01,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:27:01,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:27:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:27:02,078 INFO L134 CoverageAnalysis]: Checked inductivity of 7500 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 7496 trivial. 0 not checked. [2022-12-14 07:27:02,078 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:27:02,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532335555] [2022-12-14 07:27:02,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532335555] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:27:02,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:27:02,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:27:02,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440971212] [2022-12-14 07:27:02,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:27:02,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:27:02,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:27:02,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:27:02,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:27:02,081 INFO L87 Difference]: Start difference. First operand 37581 states and 54813 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-12-14 07:27:08,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:27:11,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:13,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:18,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:20,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:22,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 07:27:27,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:27:30,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:27:33,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:35,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:27:38,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:40,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:42,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:44,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:46,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:27:48,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:50,832 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:27:51,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:27:51,254 INFO L93 Difference]: Finished difference Result 71816 states and 106338 transitions. [2022-12-14 07:27:51,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 07:27:51,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 489 [2022-12-14 07:27:51,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:27:51,510 INFO L225 Difference]: With dead ends: 71816 [2022-12-14 07:27:51,510 INFO L226 Difference]: Without dead ends: 71814 [2022-12-14 07:27:51,538 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:27:51,538 INFO L413 NwaCegarLoop]: 3925 mSDtfsCounter, 3365 mSDsluCounter, 10757 mSDsCounter, 0 mSdLazyCounter, 2153 mSolverCounterSat, 3 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3383 SdHoareTripleChecker+Valid, 14682 SdHoareTripleChecker+Invalid, 2170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2153 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.9s IncrementalHoareTripleChecker+Time [2022-12-14 07:27:51,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3383 Valid, 14682 Invalid, 2170 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2153 Invalid, 14 Unknown, 0 Unchecked, 46.9s Time] [2022-12-14 07:27:51,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71814 states. [2022-12-14 07:27:54,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71814 to 71765. [2022-12-14 07:27:54,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71765 states, 46473 states have (on average 1.3312245820153639) internal successors, (61866), 47149 states have internal predecessors, (61866), 20824 states have call successors, (20824), 4553 states have call predecessors, (20824), 4465 states have return successors, (23600), 20191 states have call predecessors, (23600), 20816 states have call successors, (23600) [2022-12-14 07:27:55,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71765 states to 71765 states and 106290 transitions. [2022-12-14 07:27:55,028 INFO L78 Accepts]: Start accepts. Automaton has 71765 states and 106290 transitions. Word has length 489 [2022-12-14 07:27:55,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:27:55,029 INFO L495 AbstractCegarLoop]: Abstraction has 71765 states and 106290 transitions. [2022-12-14 07:27:55,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-12-14 07:27:55,029 INFO L276 IsEmpty]: Start isEmpty. Operand 71765 states and 106290 transitions. [2022-12-14 07:27:55,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2022-12-14 07:27:55,034 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:27:55,034 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 4, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:27:55,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 07:27:55,034 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:27:55,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:27:55,035 INFO L85 PathProgramCache]: Analyzing trace with hash 930486266, now seen corresponding path program 1 times [2022-12-14 07:27:55,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:27:55,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770341628] [2022-12-14 07:27:55,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:27:55,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:27:55,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:27:55,997 INFO L134 CoverageAnalysis]: Checked inductivity of 7510 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7504 trivial. 0 not checked. [2022-12-14 07:27:55,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:27:55,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770341628] [2022-12-14 07:27:55,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770341628] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:27:55,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:27:55,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:27:55,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454604722] [2022-12-14 07:27:55,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:27:55,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:27:55,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:27:56,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:27:56,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:27:56,000 INFO L87 Difference]: Start difference. First operand 71765 states and 106290 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 07:27:58,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:28:01,752 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:28:04,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:28:11,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:28:13,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:28:16,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:28:19,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:28:22,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:28:24,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:28:26,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:28:28,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:28:30,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:28:32,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:28:32,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:28:32,871 INFO L93 Difference]: Finished difference Result 71779 states and 106303 transitions. [2022-12-14 07:28:32,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:28:32,872 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 494 [2022-12-14 07:28:32,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:28:33,109 INFO L225 Difference]: With dead ends: 71779 [2022-12-14 07:28:33,109 INFO L226 Difference]: Without dead ends: 71777 [2022-12-14 07:28:33,166 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:28:33,166 INFO L413 NwaCegarLoop]: 3166 mSDtfsCounter, 3376 mSDsluCounter, 6515 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3395 SdHoareTripleChecker+Valid, 9681 SdHoareTripleChecker+Invalid, 1614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:28:33,167 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3395 Valid, 9681 Invalid, 1614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1602 Invalid, 11 Unknown, 0 Unchecked, 34.6s Time] [2022-12-14 07:28:33,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71777 states. [2022-12-14 07:28:36,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71777 to 71777. [2022-12-14 07:28:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71777 states, 46481 states have (on average 1.3311675738473785) internal successors, (61874), 47159 states have internal predecessors, (61874), 20824 states have call successors, (20824), 4555 states have call predecessors, (20824), 4469 states have return successors, (23602), 20191 states have call predecessors, (23602), 20816 states have call successors, (23602) [2022-12-14 07:28:37,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71777 states to 71777 states and 106300 transitions. [2022-12-14 07:28:37,269 INFO L78 Accepts]: Start accepts. Automaton has 71777 states and 106300 transitions. Word has length 494 [2022-12-14 07:28:37,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:28:37,270 INFO L495 AbstractCegarLoop]: Abstraction has 71777 states and 106300 transitions. [2022-12-14 07:28:37,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (54), 3 states have call predecessors, (54), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 07:28:37,270 INFO L276 IsEmpty]: Start isEmpty. Operand 71777 states and 106300 transitions. [2022-12-14 07:28:37,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-12-14 07:28:37,275 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:28:37,275 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 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] [2022-12-14 07:28:37,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 07:28:37,275 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:28:37,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:28:37,275 INFO L85 PathProgramCache]: Analyzing trace with hash 614056751, now seen corresponding path program 1 times [2022-12-14 07:28:37,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:28:37,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445320707] [2022-12-14 07:28:37,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:28:37,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:28:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:28:37,902 INFO L134 CoverageAnalysis]: Checked inductivity of 7525 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7517 trivial. 0 not checked. [2022-12-14 07:28:37,902 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:28:37,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445320707] [2022-12-14 07:28:37,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445320707] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:28:37,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:28:37,903 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:28:37,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743715420] [2022-12-14 07:28:37,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:28:37,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:28:37,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:28:37,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:28:37,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:28:37,905 INFO L87 Difference]: Start difference. First operand 71777 states and 106300 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 07:28:41,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:28:42,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:28:45,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:28:47,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:28:48,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:28:51,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:28:55,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:28:57,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:29:00,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:29:02,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:29:04,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:29:06,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:29:07,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:29:11,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:29:13,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:29:15,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:29:17,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:29:19,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:29:21,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:29:23,442 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:29:25,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:29:25,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:29:25,754 INFO L93 Difference]: Finished difference Result 71889 states and 106471 transitions. [2022-12-14 07:29:25,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:29:25,755 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) Word has length 500 [2022-12-14 07:29:25,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:29:26,000 INFO L225 Difference]: With dead ends: 71889 [2022-12-14 07:29:26,000 INFO L226 Difference]: Without dead ends: 71887 [2022-12-14 07:29:26,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:29:26,033 INFO L413 NwaCegarLoop]: 3162 mSDtfsCounter, 3397 mSDsluCounter, 6503 mSDsCounter, 0 mSdLazyCounter, 1607 mSolverCounterSat, 1 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3414 SdHoareTripleChecker+Valid, 9665 SdHoareTripleChecker+Invalid, 1620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1607 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:29:26,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3414 Valid, 9665 Invalid, 1620 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1607 Invalid, 12 Unknown, 0 Unchecked, 44.6s Time] [2022-12-14 07:29:26,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71887 states. [2022-12-14 07:29:29,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71887 to 71886. [2022-12-14 07:29:29,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71886 states, 46543 states have (on average 1.330812367058419) internal successors, (61940), 47222 states have internal predecessors, (61940), 20854 states have call successors, (20854), 4570 states have call predecessors, (20854), 4486 states have return successors, (23673), 20222 states have call predecessors, (23673), 20846 states have call successors, (23673) [2022-12-14 07:29:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71886 states to 71886 states and 106467 transitions. [2022-12-14 07:29:30,205 INFO L78 Accepts]: Start accepts. Automaton has 71886 states and 106467 transitions. Word has length 500 [2022-12-14 07:29:30,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:29:30,205 INFO L495 AbstractCegarLoop]: Abstraction has 71886 states and 106467 transitions. [2022-12-14 07:29:30,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (55), 3 states have call predecessors, (55), 1 states have return successors, (53), 2 states have call predecessors, (53), 2 states have call successors, (53) [2022-12-14 07:29:30,206 INFO L276 IsEmpty]: Start isEmpty. Operand 71886 states and 106467 transitions. [2022-12-14 07:29:30,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2022-12-14 07:29:30,211 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:29:30,211 INFO L195 NwaCegarLoop]: trace histogram [44, 43, 43, 43, 43, 43, 43, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:29:30,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 07:29:30,211 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:29:30,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:29:30,212 INFO L85 PathProgramCache]: Analyzing trace with hash 462233309, now seen corresponding path program 1 times [2022-12-14 07:29:30,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:29:30,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963793401] [2022-12-14 07:29:30,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:29:30,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:29:30,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:29:30,519 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7310 trivial. 0 not checked. [2022-12-14 07:29:30,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:29:30,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963793401] [2022-12-14 07:29:30,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963793401] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:29:30,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:29:30,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 07:29:30,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90927555] [2022-12-14 07:29:30,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:29:30,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 07:29:30,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:29:30,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 07:29:30,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:29:30,521 INFO L87 Difference]: Start difference. First operand 71886 states and 106467 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 07:29:35,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:29:39,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:29:42,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:29:43,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:29:48,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:29:51,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:29:55,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:29:57,873 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:30:00,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:30:01,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:30:03,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:30:05,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:30:07,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:30:07,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:30:07,721 INFO L93 Difference]: Finished difference Result 198805 states and 293416 transitions. [2022-12-14 07:30:07,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 07:30:07,722 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) Word has length 492 [2022-12-14 07:30:07,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:30:08,203 INFO L225 Difference]: With dead ends: 198805 [2022-12-14 07:30:08,203 INFO L226 Difference]: Without dead ends: 127006 [2022-12-14 07:30:08,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 07:30:08,419 INFO L413 NwaCegarLoop]: 3981 mSDtfsCounter, 2947 mSDsluCounter, 3065 mSDsCounter, 0 mSdLazyCounter, 1146 mSolverCounterSat, 7 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2957 SdHoareTripleChecker+Valid, 7046 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1146 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:30:08,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2957 Valid, 7046 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1146 Invalid, 10 Unknown, 0 Unchecked, 32.3s Time] [2022-12-14 07:30:08,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127006 states. [2022-12-14 07:30:14,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127006 to 126832. [2022-12-14 07:30:14,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126832 states, 81767 states have (on average 1.322587351865667) internal successors, (108144), 83122 states have internal predecessors, (108144), 36716 states have call successors, (36716), 8516 states have call predecessors, (36716), 8346 states have return successors, (41859), 35442 states have call predecessors, (41859), 36708 states have call successors, (41859) [2022-12-14 07:30:14,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126832 states to 126832 states and 186719 transitions. [2022-12-14 07:30:14,998 INFO L78 Accepts]: Start accepts. Automaton has 126832 states and 186719 transitions. Word has length 492 [2022-12-14 07:30:14,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:30:14,998 INFO L495 AbstractCegarLoop]: Abstraction has 126832 states and 186719 transitions. [2022-12-14 07:30:14,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (50), 2 states have call predecessors, (50), 1 states have return successors, (47), 3 states have call predecessors, (47), 3 states have call successors, (47) [2022-12-14 07:30:14,998 INFO L276 IsEmpty]: Start isEmpty. Operand 126832 states and 186719 transitions. [2022-12-14 07:30:15,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2022-12-14 07:30:15,003 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:30:15,003 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 6, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 07:30:15,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 07:30:15,003 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:30:15,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:30:15,004 INFO L85 PathProgramCache]: Analyzing trace with hash -167518374, now seen corresponding path program 1 times [2022-12-14 07:30:15,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:30:15,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385614851] [2022-12-14 07:30:15,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:30:15,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:30:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:30:15,610 INFO L134 CoverageAnalysis]: Checked inductivity of 7542 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7532 trivial. 0 not checked. [2022-12-14 07:30:15,610 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:30:15,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385614851] [2022-12-14 07:30:15,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385614851] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:30:15,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:30:15,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:30:15,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246353422] [2022-12-14 07:30:15,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:30:15,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:30:15,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:30:15,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:30:15,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:30:15,612 INFO L87 Difference]: Start difference. First operand 126832 states and 186719 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 07:30:19,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:30:25,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:30:27,349 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:30:29,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:30:32,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:30:33,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:30:37,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:30:40,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:30:41,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:30:43,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:30:45,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:30:49,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:30:51,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:30:53,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:30:55,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:30:58,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:31:00,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:31:02,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:31:03,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:31:05,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:31:07,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:31:09,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:31:09,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:31:09,832 INFO L93 Difference]: Finished difference Result 126878 states and 186826 transitions. [2022-12-14 07:31:09,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:31:09,833 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 504 [2022-12-14 07:31:09,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:31:10,307 INFO L225 Difference]: With dead ends: 126878 [2022-12-14 07:31:10,307 INFO L226 Difference]: Without dead ends: 126876 [2022-12-14 07:31:10,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:31:10,359 INFO L413 NwaCegarLoop]: 3163 mSDtfsCounter, 3403 mSDsluCounter, 6504 mSDsCounter, 0 mSdLazyCounter, 1608 mSolverCounterSat, 1 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3420 SdHoareTripleChecker+Valid, 9667 SdHoareTripleChecker+Invalid, 1623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1608 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:31:10,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3420 Valid, 9667 Invalid, 1623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1608 Invalid, 14 Unknown, 0 Unchecked, 49.8s Time] [2022-12-14 07:31:10,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126876 states. [2022-12-14 07:31:16,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126876 to 126874. [2022-12-14 07:31:16,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126874 states, 81792 states have (on average 1.3225009780907668) internal successors, (108170), 83148 states have internal predecessors, (108170), 36725 states have call successors, (36725), 8523 states have call predecessors, (36725), 8354 states have return successors, (41926), 35451 states have call predecessors, (41926), 36717 states have call successors, (41926) [2022-12-14 07:31:17,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126874 states to 126874 states and 186821 transitions. [2022-12-14 07:31:17,364 INFO L78 Accepts]: Start accepts. Automaton has 126874 states and 186821 transitions. Word has length 504 [2022-12-14 07:31:17,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:31:17,365 INFO L495 AbstractCegarLoop]: Abstraction has 126874 states and 186821 transitions. [2022-12-14 07:31:17,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-12-14 07:31:17,365 INFO L276 IsEmpty]: Start isEmpty. Operand 126874 states and 186821 transitions. [2022-12-14 07:31:17,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-12-14 07:31:17,370 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:31:17,370 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 7, 6, 6, 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] [2022-12-14 07:31:17,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 07:31:17,371 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:31:17,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:31:17,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1151359921, now seen corresponding path program 1 times [2022-12-14 07:31:17,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:31:17,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516874710] [2022-12-14 07:31:17,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:31:17,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:31:17,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:31:17,981 INFO L134 CoverageAnalysis]: Checked inductivity of 7565 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 7553 trivial. 0 not checked. [2022-12-14 07:31:17,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:31:17,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516874710] [2022-12-14 07:31:17,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516874710] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:31:17,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:31:17,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:31:17,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199867551] [2022-12-14 07:31:17,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:31:17,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:31:17,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:31:17,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:31:17,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:31:17,983 INFO L87 Difference]: Start difference. First operand 126874 states and 186821 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-12-14 07:31:20,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:31:23,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:31:25,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:31:32,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:31:34,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:31:36,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:31:40,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:31:43,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:31:47,466 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:31:49,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:31:51,713 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:31:53,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:31:55,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:31:57,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:31:58,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:31:58,258 INFO L93 Difference]: Finished difference Result 127156 states and 187134 transitions. [2022-12-14 07:31:58,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:31:58,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) Word has length 510 [2022-12-14 07:31:58,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:31:58,711 INFO L225 Difference]: With dead ends: 127156 [2022-12-14 07:31:58,711 INFO L226 Difference]: Without dead ends: 127154 [2022-12-14 07:31:58,753 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:31:58,754 INFO L413 NwaCegarLoop]: 3158 mSDtfsCounter, 3372 mSDsluCounter, 6505 mSDsCounter, 0 mSdLazyCounter, 1602 mSolverCounterSat, 1 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3389 SdHoareTripleChecker+Valid, 9663 SdHoareTripleChecker+Invalid, 1615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1602 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 35.3s IncrementalHoareTripleChecker+Time [2022-12-14 07:31:58,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3389 Valid, 9663 Invalid, 1615 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1602 Invalid, 12 Unknown, 0 Unchecked, 35.3s Time] [2022-12-14 07:31:58,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127154 states. [2022-12-14 07:32:05,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127154 to 127018. [2022-12-14 07:32:05,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127018 states, 81866 states have (on average 1.3222094642464515) internal successors, (108244), 83222 states have internal predecessors, (108244), 36725 states have call successors, (36725), 8593 states have call predecessors, (36725), 8424 states have return successors, (41926), 35451 states have call predecessors, (41926), 36717 states have call successors, (41926) [2022-12-14 07:32:06,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127018 states to 127018 states and 186895 transitions. [2022-12-14 07:32:06,102 INFO L78 Accepts]: Start accepts. Automaton has 127018 states and 186895 transitions. Word has length 510 [2022-12-14 07:32:06,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:32:06,102 INFO L495 AbstractCegarLoop]: Abstraction has 127018 states and 186895 transitions. [2022-12-14 07:32:06,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (57), 3 states have call predecessors, (57), 1 states have return successors, (55), 2 states have call predecessors, (55), 2 states have call successors, (55) [2022-12-14 07:32:06,102 INFO L276 IsEmpty]: Start isEmpty. Operand 127018 states and 186895 transitions. [2022-12-14 07:32:06,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2022-12-14 07:32:06,109 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:32:06,109 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 8, 7, 7, 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] [2022-12-14 07:32:06,109 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 07:32:06,109 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:32:06,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:32:06,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1452728565, now seen corresponding path program 1 times [2022-12-14 07:32:06,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:32:06,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088621900] [2022-12-14 07:32:06,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:32:06,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:32:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:32:06,750 INFO L134 CoverageAnalysis]: Checked inductivity of 7606 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 7592 trivial. 0 not checked. [2022-12-14 07:32:06,750 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:32:06,750 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088621900] [2022-12-14 07:32:06,750 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088621900] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:32:06,750 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:32:06,750 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:32:06,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165472335] [2022-12-14 07:32:06,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:32:06,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:32:06,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:32:06,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:32:06,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:32:06,753 INFO L87 Difference]: Start difference. First operand 127018 states and 186895 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-12-14 07:32:15,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:32:18,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:32:21,014 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:32:22,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:32:24,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:32:28,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:32:31,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:32:35,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:32:37,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:32:40,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:32:42,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:32:44,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:32:46,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:32:46,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:32:46,658 INFO L93 Difference]: Finished difference Result 127028 states and 186904 transitions. [2022-12-14 07:32:46,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:32:46,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) Word has length 528 [2022-12-14 07:32:46,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:32:47,111 INFO L225 Difference]: With dead ends: 127028 [2022-12-14 07:32:47,112 INFO L226 Difference]: Without dead ends: 127024 [2022-12-14 07:32:47,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:32:47,160 INFO L413 NwaCegarLoop]: 3166 mSDtfsCounter, 3379 mSDsluCounter, 6515 mSDsCounter, 0 mSdLazyCounter, 1604 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3392 SdHoareTripleChecker+Valid, 9681 SdHoareTripleChecker+Invalid, 1616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1604 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.6s IncrementalHoareTripleChecker+Time [2022-12-14 07:32:47,160 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3392 Valid, 9681 Invalid, 1616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1604 Invalid, 11 Unknown, 0 Unchecked, 34.6s Time] [2022-12-14 07:32:47,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127024 states. [2022-12-14 07:32:54,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127024 to 127024. [2022-12-14 07:32:54,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127024 states, 81871 states have (on average 1.3221775720340536) internal successors, (108248), 83226 states have internal predecessors, (108248), 36725 states have call successors, (36725), 8595 states have call predecessors, (36725), 8425 states have return successors, (41926), 35451 states have call predecessors, (41926), 36717 states have call successors, (41926) [2022-12-14 07:32:55,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127024 states to 127024 states and 186899 transitions. [2022-12-14 07:32:55,008 INFO L78 Accepts]: Start accepts. Automaton has 127024 states and 186899 transitions. Word has length 528 [2022-12-14 07:32:55,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:32:55,009 INFO L495 AbstractCegarLoop]: Abstraction has 127024 states and 186899 transitions. [2022-12-14 07:32:55,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (58), 3 states have call predecessors, (58), 1 states have return successors, (56), 2 states have call predecessors, (56), 2 states have call successors, (56) [2022-12-14 07:32:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 127024 states and 186899 transitions. [2022-12-14 07:32:55,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2022-12-14 07:32:55,020 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:32:55,021 INFO L195 NwaCegarLoop]: trace histogram [46, 43, 43, 43, 43, 43, 43, 9, 8, 8, 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] [2022-12-14 07:32:55,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 07:32:55,021 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:32:55,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:32:55,022 INFO L85 PathProgramCache]: Analyzing trace with hash -462407789, now seen corresponding path program 1 times [2022-12-14 07:32:55,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:32:55,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110849917] [2022-12-14 07:32:55,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:32:55,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:32:55,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:32:55,784 INFO L134 CoverageAnalysis]: Checked inductivity of 7620 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 7604 trivial. 0 not checked. [2022-12-14 07:32:55,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:32:55,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110849917] [2022-12-14 07:32:55,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110849917] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:32:55,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:32:55,785 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 07:32:55,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704146444] [2022-12-14 07:32:55,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:32:55,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 07:32:55,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:32:55,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 07:32:55,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 07:32:55,787 INFO L87 Difference]: Start difference. First operand 127024 states and 186899 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-12-14 07:33:02,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:33:04,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:33:06,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:33:09,427 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:10,758 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:12,147 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:13,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:15,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:18,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:33:22,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:33:23,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:33:26,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:33:30,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:32,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:34,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:36,149 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:37,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:39,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:33:42,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:44,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:46,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:49,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:51,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:53,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:33:55,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:57,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:33:58,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 07:33:58,050 INFO L93 Difference]: Finished difference Result 152605 states and 222160 transitions. [2022-12-14 07:33:58,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 07:33:58,051 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) Word has length 519 [2022-12-14 07:33:58,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 07:33:58,593 INFO L225 Difference]: With dead ends: 152605 [2022-12-14 07:33:58,593 INFO L226 Difference]: Without dead ends: 152489 [2022-12-14 07:33:58,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 07:33:58,653 INFO L413 NwaCegarLoop]: 3330 mSDtfsCounter, 3228 mSDsluCounter, 7682 mSDsCounter, 0 mSdLazyCounter, 1753 mSolverCounterSat, 2 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 11012 SdHoareTripleChecker+Invalid, 1770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1753 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.8s IncrementalHoareTripleChecker+Time [2022-12-14 07:33:58,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3242 Valid, 11012 Invalid, 1770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1753 Invalid, 15 Unknown, 0 Unchecked, 55.8s Time] [2022-12-14 07:33:58,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152489 states. [2022-12-14 07:34:07,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152489 to 152209. [2022-12-14 07:34:07,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152209 states, 98441 states have (on average 1.3210552513688403) internal successors, (130046), 99922 states have internal predecessors, (130046), 42866 states have call successors, (42866), 11123 states have call predecessors, (42866), 10899 states have return successors, (48555), 41412 states have call predecessors, (48555), 42862 states have call successors, (48555) [2022-12-14 07:34:08,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152209 states to 152209 states and 221467 transitions. [2022-12-14 07:34:08,214 INFO L78 Accepts]: Start accepts. Automaton has 152209 states and 221467 transitions. Word has length 519 [2022-12-14 07:34:08,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 07:34:08,215 INFO L495 AbstractCegarLoop]: Abstraction has 152209 states and 221467 transitions. [2022-12-14 07:34:08,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (59), 3 states have call predecessors, (59), 1 states have return successors, (57), 2 states have call predecessors, (57), 2 states have call successors, (57) [2022-12-14 07:34:08,215 INFO L276 IsEmpty]: Start isEmpty. Operand 152209 states and 221467 transitions. [2022-12-14 07:34:08,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 521 [2022-12-14 07:34:08,228 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 07:34:08,228 INFO L195 NwaCegarLoop]: trace histogram [47, 43, 43, 43, 43, 43, 43, 3, 3, 3, 3, 3, 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] [2022-12-14 07:34:08,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 07:34:08,229 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-12-14 07:34:08,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 07:34:08,229 INFO L85 PathProgramCache]: Analyzing trace with hash 1431573576, now seen corresponding path program 1 times [2022-12-14 07:34:08,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 07:34:08,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103182908] [2022-12-14 07:34:08,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 07:34:08,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 07:34:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 07:34:08,763 INFO L134 CoverageAnalysis]: Checked inductivity of 7611 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 7593 trivial. 0 not checked. [2022-12-14 07:34:08,763 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 07:34:08,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103182908] [2022-12-14 07:34:08,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103182908] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 07:34:08,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 07:34:08,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 07:34:08,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797926276] [2022-12-14 07:34:08,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 07:34:08,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 07:34:08,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 07:34:08,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 07:34:08,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 07:34:08,765 INFO L87 Difference]: Start difference. First operand 152209 states and 221467 transitions. Second operand has 4 states, 4 states have (on average 27.0) internal successors, (108), 4 states have internal predecessors, (108), 3 states have call successors, (55), 2 states have call predecessors, (55), 1 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-12-14 07:34:12,406 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:34:18,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:34:23,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:34:25,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:34:31,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:34:33,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:34:36,507 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:34:38,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-12-14 07:34:44,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 07:34:48,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []