./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.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_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/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_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/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_bf2ceb15-a768-4078-aaf4-809c87c20a31/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 1a40e66604094f312102b838d8c965fbe1879fb2092ea49e39f812ee4cfee256 --- 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 05:16:04,436 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:16:04,438 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:16:04,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:16:04,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:16:04,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:16:04,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:16:04,459 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:16:04,461 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:16:04,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:16:04,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:16:04,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:16:04,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:16:04,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:16:04,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:16:04,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:16:04,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:16:04,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:16:04,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:16:04,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:16:04,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:16:04,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:16:04,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:16:04,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:16:04,479 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:16:04,479 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:16:04,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:16:04,480 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:16:04,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:16:04,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:16:04,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:16:04,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:16:04,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:16:04,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:16:04,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:16:04,484 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:16:04,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:16:04,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:16:04,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:16:04,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:16:04,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:16:04,487 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 05:16:04,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:16:04,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:16:04,506 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:16:04,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:16:04,507 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:16:04,507 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:16:04,508 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:16:04,508 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:16:04,508 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:16:04,508 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:16:04,508 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:16:04,508 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:16:04,509 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:16:04,509 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:16:04,509 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:16:04,509 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:16:04,509 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:16:04,509 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:16:04,510 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:16:04,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:16:04,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:16:04,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:16:04,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:16:04,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:16:04,511 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:16:04,511 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:16:04,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:16:04,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:16:04,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:16:04,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:16:04,512 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:16:04,512 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:16:04,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:16:04,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:16:04,512 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:16:04,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:16:04,513 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:16:04,513 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:16:04,513 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a40e66604094f312102b838d8c965fbe1879fb2092ea49e39f812ee4cfee256 [2022-12-14 05:16:04,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:16:04,710 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:16:04,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:16:04,712 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:16:04,713 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:16:04,713 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i [2022-12-14 05:16:07,356 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:16:07,833 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:16:07,833 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i [2022-12-14 05:16:07,895 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/data/1c0649f17/481869323bfc4d96995fe7600c988fe0/FLAG3c02a1b06 [2022-12-14 05:16:07,909 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/data/1c0649f17/481869323bfc4d96995fe7600c988fe0 [2022-12-14 05:16:07,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:16:07,913 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:16:07,914 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:16:07,914 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:16:07,917 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:16:07,918 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:16:07" (1/1) ... [2022-12-14 05:16:07,919 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bbed8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:16:07, skipping insertion in model container [2022-12-14 05:16:07,919 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:16:07" (1/1) ... [2022-12-14 05:16:07,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:16:08,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:16:08,986 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:09,108 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 05:16:09,122 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 05:16:09,294 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:16:09,295 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:16:09,296 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:16:09,296 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 05:16:09,302 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:16:09,303 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 05:16:09,303 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 05:16:09,304 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 05:16:09,329 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 05:16:09,406 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iter [2022-12-14 05:16:09,417 WARN L623 FunctionHandler]: Unknown extern function copy_from_iter [2022-12-14 05:16:09,428 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-14 05:16:09,552 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:09,650 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:16:09,803 WARN L623 FunctionHandler]: Unknown extern function sk_free [2022-12-14 05:16:09,825 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1658 [2022-12-14 05:16:09,826 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:09,826 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 05:16:09,839 WARN L623 FunctionHandler]: Unknown extern function security_sock_graft [2022-12-14 05:16:09,865 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 05:16:10,063 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:16:10,070 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:16:10,075 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 05:16:10,119 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:10,122 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:10,136 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:10,137 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:10,137 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:10,138 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:10,146 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:16:10,156 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:16:10,158 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:16:10,177 WARN L623 FunctionHandler]: Unknown extern function sk_alloc [2022-12-14 05:16:10,178 WARN L623 FunctionHandler]: Unknown extern function sock_init_data [2022-12-14 05:16:10,178 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:10,179 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:10,179 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 05:16:10,179 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 05:16:10,180 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 05:16:10,180 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 05:16:10,180 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 05:16:10,188 WARN L623 FunctionHandler]: Unknown extern function sk_alloc [2022-12-14 05:16:10,188 WARN L623 FunctionHandler]: Unknown extern function sock_init_data [2022-12-14 05:16:10,189 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:10,190 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:10,211 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:10,212 WARN L623 FunctionHandler]: Unknown extern function ax25_findbyuid [2022-12-14 05:16:10,215 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 05:16:10,232 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:10,232 WARN L623 FunctionHandler]: Unknown extern function ax25_findbyuid [2022-12-14 05:16:10,240 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 05:16:10,240 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 05:16:10,241 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 05:16:10,250 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 05:16:10,251 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:10,251 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 05:16:10,252 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 05:16:10,252 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:10,274 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 05:16:10,288 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1054 [2022-12-14 05:16:10,289 WARN L623 FunctionHandler]: Unknown extern function send_sig [2022-12-14 05:16:10,290 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:10,291 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:10,295 WARN L623 FunctionHandler]: Unknown extern function sock_alloc_send_skb [2022-12-14 05:16:10,296 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:16:10,296 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:10,297 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 05:16:10,297 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 05:16:10,299 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:10,299 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 05:16:10,312 WARN L623 FunctionHandler]: Unknown extern function skb_recv_datagram [2022-12-14 05:16:10,313 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 05:16:10,313 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 05:16:10,314 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1257 [2022-12-14 05:16:10,316 WARN L623 FunctionHandler]: Unknown extern function skb_free_datagram [2022-12-14 05:16:10,325 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:16:10,326 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:16:10,326 WARN L623 FunctionHandler]: Unknown extern function sock_get_timestamp [2022-12-14 05:16:10,327 WARN L623 FunctionHandler]: Unknown extern function sock_get_timestampns [2022-12-14 05:16:10,327 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 05:16:10,328 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 05:16:10,329 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:10,329 WARN L623 FunctionHandler]: Unknown extern function ax25_listen_release [2022-12-14 05:16:10,330 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:10,330 WARN L623 FunctionHandler]: Unknown extern function ax25_listen_register [2022-12-14 05:16:10,337 WARN L623 FunctionHandler]: Unknown extern function seq_hlist_start_head [2022-12-14 05:16:10,344 WARN L623 FunctionHandler]: Unknown extern function seq_hlist_next [2022-12-14 05:16:10,357 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:10,359 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:10,359 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:10,360 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:10,361 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:10,362 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-12-14 05:16:10,362 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-12-14 05:16:10,363 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:10,379 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:10,379 WARN L623 FunctionHandler]: Unknown extern function proto_register [2022-12-14 05:16:10,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:10,381 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 05:16:10,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:10,382 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:10,383 WARN L623 FunctionHandler]: Unknown extern function sock_register [2022-12-14 05:16:10,383 WARN L623 FunctionHandler]: Unknown extern function ax25_register_pid [2022-12-14 05:16:10,383 WARN L623 FunctionHandler]: Unknown extern function ax25_linkfail_register [2022-12-14 05:16:10,387 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:10,388 WARN L623 FunctionHandler]: Unknown extern function proto_unregister [2022-12-14 05:16:10,407 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 05:16:10,409 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 05:16:10,410 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 05:16:10,412 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 05:16:10,413 WARN L623 FunctionHandler]: Unknown extern function ax25_protocol_release [2022-12-14 05:16:10,414 WARN L623 FunctionHandler]: Unknown extern function ax25_linkfail_release [2022-12-14 05:16:10,414 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:10,414 WARN L623 FunctionHandler]: Unknown extern function ax25_listen_release [2022-12-14 05:16:10,415 WARN L623 FunctionHandler]: Unknown extern function sock_unregister [2022-12-14 05:16:10,416 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:10,416 WARN L623 FunctionHandler]: Unknown extern function proto_unregister [2022-12-14 05:16:11,095 WARN L623 FunctionHandler]: Unknown extern function sock_no_mmap [2022-12-14 05:16:11,096 WARN L623 FunctionHandler]: Unknown extern function datagram_poll [2022-12-14 05:16:11,097 WARN L623 FunctionHandler]: Unknown extern function sock_no_sendpage [2022-12-14 05:16:11,097 WARN L623 FunctionHandler]: Unknown extern function sock_no_shutdown [2022-12-14 05:16:11,098 WARN L623 FunctionHandler]: Unknown extern function sock_no_socketpair [2022-12-14 05:16:11,099 WARN L623 FunctionHandler]: Unknown extern function sock_no_mmap [2022-12-14 05:16:11,099 WARN L623 FunctionHandler]: Unknown extern function datagram_poll [2022-12-14 05:16:11,100 WARN L623 FunctionHandler]: Unknown extern function sock_no_sendpage [2022-12-14 05:16:11,100 WARN L623 FunctionHandler]: Unknown extern function sock_no_shutdown [2022-12-14 05:16:11,101 WARN L623 FunctionHandler]: Unknown extern function sock_no_socketpair [2022-12-14 05:16:11,102 WARN L623 FunctionHandler]: Unknown extern function sock_no_mmap [2022-12-14 05:16:11,102 WARN L623 FunctionHandler]: Unknown extern function datagram_poll [2022-12-14 05:16:11,103 WARN L623 FunctionHandler]: Unknown extern function sock_no_sendpage [2022-12-14 05:16:11,103 WARN L623 FunctionHandler]: Unknown extern function sock_no_shutdown [2022-12-14 05:16:11,104 WARN L623 FunctionHandler]: Unknown extern function sock_no_socketpair [2022-12-14 05:16:11,132 WARN L623 FunctionHandler]: Unknown extern function lock_sock_nested [2022-12-14 05:16:11,132 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-12-14 05:16:11,133 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-12-14 05:16:11,133 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-12-14 05:16:11,133 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-12-14 05:16:11,133 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-12-14 05:16:11,133 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-12-14 05:16:11,133 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-12-14 05:16:11,134 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 05:16:11,134 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-12-14 05:16:11,135 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 05:16:11,135 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 05:16:11,135 WARN L623 FunctionHandler]: Unknown extern function register_netdevice_notifier [2022-12-14 05:16:11,136 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 05:16:11,136 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 05:16:11,136 WARN L623 FunctionHandler]: Unknown extern function unregister_netdevice_notifier [2022-12-14 05:16:11,136 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 05:16:11,137 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 05:16:11,214 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:16:11,215 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:11,268 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 05:16:11,275 WARN L623 FunctionHandler]: Unknown extern function arp_find [2022-12-14 05:16:11,275 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,276 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,276 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,282 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:16:11,301 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:11,302 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:16:11,378 WARN L623 FunctionHandler]: Unknown extern function sock_queue_rcv_skb [2022-12-14 05:16:11,380 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:11,440 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:11,440 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:11,510 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 05:16:11,510 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:11,516 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 05:16:11,516 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:11,529 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:11,529 WARN L623 FunctionHandler]: Unknown extern function ax25_send_frame [2022-12-14 05:16:11,536 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:11,536 WARN L623 FunctionHandler]: Unknown extern function ax25_find_cb [2022-12-14 05:16:11,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:11,538 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:11,538 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,539 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:11,539 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:16:11,540 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,541 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:16:11,541 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,542 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:16:11,542 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,543 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 05:16:11,543 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,543 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 05:16:11,550 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:11,550 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:11,550 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:11,550 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:11,551 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:11,551 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:11,551 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:11,551 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:11,574 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:11,581 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,581 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 05:16:11,588 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:11,588 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,589 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,590 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,590 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,590 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,590 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,591 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:11,591 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:11,591 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:11,592 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:11,592 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:11,592 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:11,592 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:11,612 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:11,612 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 05:16:11,621 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 05:16:11,621 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:11,751 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:11,751 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:11,752 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:11,752 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:11,752 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 05:16:11,760 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:11,760 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:11,760 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:11,760 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:11,760 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 05:16:11,767 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:11,767 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:11,774 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:11,776 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:11,776 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:11,777 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:11,785 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:11,786 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:11,792 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 05:16:11,792 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:11,793 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:11,793 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:11,794 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:11,801 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:11,802 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:11,808 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:11,811 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:11,811 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:11,827 WARN L623 FunctionHandler]: Unknown extern function __dev_get_by_name [2022-12-14 05:16:11,829 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:11,829 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 05:16:11,830 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 05:16:11,830 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:11,830 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 05:16:11,832 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:11,832 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 05:16:11,833 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:11,833 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 05:16:11,841 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:11,841 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 05:16:11,842 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:11,842 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 05:16:11,853 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 05:16:11,857 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:11,857 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:11,857 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:11,861 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:11,861 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:11,889 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:11,889 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:11,890 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:11,890 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:11,922 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:11,923 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-12-14 05:16:11,923 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-12-14 05:16:11,923 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:11,923 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:11,925 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:11,926 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:11,926 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:11,959 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:11,959 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:11,960 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:11,960 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:11,960 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:11,961 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:11,961 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:12,060 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 05:16:12,061 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 05:16:12,061 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 05:16:12,061 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 05:16:12,062 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 05:16:12,062 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 05:16:12,071 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:16:12,072 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 05:16:12,072 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 05:16:12,073 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 05:16:12,108 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 05:16:12,108 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 05:16:12,109 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:12,109 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:12,109 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 05:16:12,109 WARN L623 FunctionHandler]: Unknown extern function skb_append [2022-12-14 05:16:12,110 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:12,111 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:16:12,115 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:12,116 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:12,136 WARN L623 FunctionHandler]: Unknown extern function asc2ax [2022-12-14 05:16:12,136 WARN L623 FunctionHandler]: Unknown extern function asc2ax [2022-12-14 05:16:12,138 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:12,139 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:16:12,144 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:12,145 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:12,178 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 05:16:12,190 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 05:16:12,264 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:12,265 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:12,265 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:12,266 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:12,266 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:12,266 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:12,270 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:12,270 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:12,270 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:12,271 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:12,271 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:12,271 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:12,271 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:12,271 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:12,271 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:12,272 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:12,272 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:12,272 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:12,272 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:12,273 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:12,273 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:12,273 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:12,273 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:12,274 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:12,307 WARN L623 FunctionHandler]: Unknown extern function unregister_net_sysctl_table [2022-12-14 05:16:12,313 WARN L623 FunctionHandler]: Unknown extern function register_net_sysctl [2022-12-14 05:16:12,313 WARN L623 FunctionHandler]: Unknown extern function ldv_register_net_sysctl [2022-12-14 05:16:12,915 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:16:13,275 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:16:14,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680431,680444] [2022-12-14 05:16:14,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680576,680589] [2022-12-14 05:16:14,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680722,680735] [2022-12-14 05:16:14,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680887,680900] [2022-12-14 05:16:14,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681045,681058] [2022-12-14 05:16:14,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681203,681216] [2022-12-14 05:16:14,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681361,681374] [2022-12-14 05:16:14,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681521,681534] [2022-12-14 05:16:14,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681680,681693] [2022-12-14 05:16:14,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681819,681832] [2022-12-14 05:16:14,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681961,681974] [2022-12-14 05:16:14,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682110,682123] [2022-12-14 05:16:14,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682249,682262] [2022-12-14 05:16:14,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682404,682417] [2022-12-14 05:16:14,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682564,682577] [2022-12-14 05:16:14,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682715,682728] [2022-12-14 05:16:14,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682866,682879] [2022-12-14 05:16:14,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683018,683031] [2022-12-14 05:16:14,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683167,683180] [2022-12-14 05:16:14,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683315,683328] [2022-12-14 05:16:14,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683472,683485] [2022-12-14 05:16:14,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683621,683634] [2022-12-14 05:16:14,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683777,683790] [2022-12-14 05:16:14,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683930,683943] [2022-12-14 05:16:14,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684076,684089] [2022-12-14 05:16:14,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684219,684232] [2022-12-14 05:16:14,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684371,684384] [2022-12-14 05:16:14,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684517,684530] [2022-12-14 05:16:14,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684662,684675] [2022-12-14 05:16:14,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684816,684829] [2022-12-14 05:16:14,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684967,684980] [2022-12-14 05:16:14,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685122,685135] [2022-12-14 05:16:14,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685274,685287] [2022-12-14 05:16:14,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685429,685442] [2022-12-14 05:16:14,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685593,685606] [2022-12-14 05:16:14,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685749,685762] [2022-12-14 05:16:14,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685913,685926] [2022-12-14 05:16:14,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686055,686068] [2022-12-14 05:16:14,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686213,686226] [2022-12-14 05:16:14,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686380,686393] [2022-12-14 05:16:14,205 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686539,686552] [2022-12-14 05:16:14,205 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686698,686711] [2022-12-14 05:16:14,205 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686847,686860] [2022-12-14 05:16:14,205 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686994,687007] [2022-12-14 05:16:14,205 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687133,687146] [2022-12-14 05:16:14,206 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687296,687309] [2022-12-14 05:16:14,206 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687462,687475] [2022-12-14 05:16:14,206 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687626,687639] [2022-12-14 05:16:14,206 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687791,687804] [2022-12-14 05:16:14,207 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687956,687969] [2022-12-14 05:16:14,207 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688122,688135] [2022-12-14 05:16:14,207 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688287,688300] [2022-12-14 05:16:14,207 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688454,688467] [2022-12-14 05:16:14,208 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688614,688627] [2022-12-14 05:16:14,208 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688776,688789] [2022-12-14 05:16:14,208 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688935,688948] [2022-12-14 05:16:14,208 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689081,689094] [2022-12-14 05:16:14,208 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689224,689237] [2022-12-14 05:16:14,209 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689368,689381] [2022-12-14 05:16:14,209 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689511,689524] [2022-12-14 05:16:14,209 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689655,689668] [2022-12-14 05:16:14,209 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689796,689809] [2022-12-14 05:16:14,210 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689934,689947] [2022-12-14 05:16:14,210 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690092,690105] [2022-12-14 05:16:14,210 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690251,690264] [2022-12-14 05:16:14,210 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690407,690420] [2022-12-14 05:16:14,210 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690556,690569] [2022-12-14 05:16:14,211 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690708,690721] [2022-12-14 05:16:14,211 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690859,690872] [2022-12-14 05:16:14,211 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691008,691021] [2022-12-14 05:16:14,211 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691160,691173] [2022-12-14 05:16:14,212 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691308,691321] [2022-12-14 05:16:14,212 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691461,691474] [2022-12-14 05:16:14,212 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691612,691625] [2022-12-14 05:16:14,212 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691762,691775] [2022-12-14 05:16:14,212 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691909,691922] [2022-12-14 05:16:14,213 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692060,692073] [2022-12-14 05:16:14,213 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692211,692224] [2022-12-14 05:16:14,213 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692359,692372] [2022-12-14 05:16:14,213 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692525,692538] [2022-12-14 05:16:14,214 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692694,692707] [2022-12-14 05:16:14,214 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692861,692874] [2022-12-14 05:16:14,214 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693029,693042] [2022-12-14 05:16:14,214 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693179,693192] [2022-12-14 05:16:14,214 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693326,693339] [2022-12-14 05:16:14,215 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693487,693500] [2022-12-14 05:16:14,215 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693657,693670] [2022-12-14 05:16:14,215 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693819,693832] [2022-12-14 05:16:14,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:16:14,271 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:16:14,339 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:14,339 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_bh [2022-12-14 05:16:14,340 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_bh [2022-12-14 05:16:14,341 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:16:14,341 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:16:14,341 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-14 05:16:14,342 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-14 05:16:14,342 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:16:14,342 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 05:16:14,342 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-14 05:16:14,342 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-14 05:16:14,344 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 05:16:14,345 WARN L623 FunctionHandler]: Unknown extern function skb_copy_datagram_iter [2022-12-14 05:16:14,345 WARN L623 FunctionHandler]: Unknown extern function copy_from_iter [2022-12-14 05:16:14,346 WARN L623 FunctionHandler]: Unknown extern function proc_create_data [2022-12-14 05:16:14,348 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,350 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:16:14,351 WARN L623 FunctionHandler]: Unknown extern function sk_free [2022-12-14 05:16:14,352 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1658 [2022-12-14 05:16:14,352 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:14,352 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 05:16:14,358 WARN L623 FunctionHandler]: Unknown extern function security_sock_graft [2022-12-14 05:16:14,360 WARN L623 FunctionHandler]: Unknown extern function __xchg_wrong_size [2022-12-14 05:16:14,362 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:16:14,362 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:16:14,363 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 05:16:14,368 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:14,369 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:14,378 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,378 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:14,379 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:14,379 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:14,383 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:16:14,398 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:16:14,400 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:16:14,407 WARN L623 FunctionHandler]: Unknown extern function sk_alloc [2022-12-14 05:16:14,407 WARN L623 FunctionHandler]: Unknown extern function sock_init_data [2022-12-14 05:16:14,409 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:14,409 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:14,409 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 05:16:14,410 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 05:16:14,410 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 05:16:14,410 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 05:16:14,410 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 05:16:14,411 WARN L623 FunctionHandler]: Unknown extern function sk_alloc [2022-12-14 05:16:14,411 WARN L623 FunctionHandler]: Unknown extern function sock_init_data [2022-12-14 05:16:14,412 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:14,412 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:14,433 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:14,433 WARN L623 FunctionHandler]: Unknown extern function ax25_findbyuid [2022-12-14 05:16:14,434 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 05:16:14,443 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:14,443 WARN L623 FunctionHandler]: Unknown extern function ax25_findbyuid [2022-12-14 05:16:14,445 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 05:16:14,445 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 05:16:14,445 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 05:16:14,449 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait [2022-12-14 05:16:14,450 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:14,450 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-14 05:16:14,450 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 05:16:14,455 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,470 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 05:16:14,477 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1054 [2022-12-14 05:16:14,478 WARN L623 FunctionHandler]: Unknown extern function send_sig [2022-12-14 05:16:14,479 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:14,479 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:14,481 WARN L623 FunctionHandler]: Unknown extern function sock_alloc_send_skb [2022-12-14 05:16:14,481 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:16:14,481 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,481 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 05:16:14,481 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 05:16:14,482 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,482 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 05:16:14,486 WARN L623 FunctionHandler]: Unknown extern function skb_recv_datagram [2022-12-14 05:16:14,486 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 05:16:14,486 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 05:16:14,487 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1257 [2022-12-14 05:16:14,488 WARN L623 FunctionHandler]: Unknown extern function skb_free_datagram [2022-12-14 05:16:14,504 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:16:14,505 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-14 05:16:14,505 WARN L623 FunctionHandler]: Unknown extern function sock_get_timestamp [2022-12-14 05:16:14,505 WARN L623 FunctionHandler]: Unknown extern function sock_get_timestampns [2022-12-14 05:16:14,505 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 05:16:14,506 WARN L623 FunctionHandler]: Unknown extern function capable [2022-12-14 05:16:14,507 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:14,507 WARN L623 FunctionHandler]: Unknown extern function ax25_listen_release [2022-12-14 05:16:14,507 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:14,507 WARN L623 FunctionHandler]: Unknown extern function ax25_listen_register [2022-12-14 05:16:14,508 WARN L623 FunctionHandler]: Unknown extern function seq_hlist_start_head [2022-12-14 05:16:14,509 WARN L623 FunctionHandler]: Unknown extern function seq_hlist_next [2022-12-14 05:16:14,510 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:14,510 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:14,511 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:14,511 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:14,511 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:14,512 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-12-14 05:16:14,512 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-12-14 05:16:14,512 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:14,515 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:14,515 WARN L623 FunctionHandler]: Unknown extern function proto_register [2022-12-14 05:16:14,516 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:14,516 WARN L623 FunctionHandler]: Unknown extern function sprintf [2022-12-14 05:16:14,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:14,517 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:14,517 WARN L623 FunctionHandler]: Unknown extern function sock_register [2022-12-14 05:16:14,518 WARN L623 FunctionHandler]: Unknown extern function ax25_register_pid [2022-12-14 05:16:14,518 WARN L623 FunctionHandler]: Unknown extern function ax25_linkfail_register [2022-12-14 05:16:14,521 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,521 WARN L623 FunctionHandler]: Unknown extern function proto_unregister [2022-12-14 05:16:14,522 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 05:16:14,522 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 05:16:14,523 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 05:16:14,524 WARN L623 FunctionHandler]: Unknown extern function remove_proc_entry [2022-12-14 05:16:14,525 WARN L623 FunctionHandler]: Unknown extern function ax25_protocol_release [2022-12-14 05:16:14,525 WARN L623 FunctionHandler]: Unknown extern function ax25_linkfail_release [2022-12-14 05:16:14,525 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:14,525 WARN L623 FunctionHandler]: Unknown extern function ax25_listen_release [2022-12-14 05:16:14,525 WARN L623 FunctionHandler]: Unknown extern function sock_unregister [2022-12-14 05:16:14,526 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,526 WARN L623 FunctionHandler]: Unknown extern function proto_unregister [2022-12-14 05:16:14,534 WARN L623 FunctionHandler]: Unknown extern function sock_no_mmap [2022-12-14 05:16:14,534 WARN L623 FunctionHandler]: Unknown extern function datagram_poll [2022-12-14 05:16:14,535 WARN L623 FunctionHandler]: Unknown extern function sock_no_sendpage [2022-12-14 05:16:14,535 WARN L623 FunctionHandler]: Unknown extern function sock_no_shutdown [2022-12-14 05:16:14,536 WARN L623 FunctionHandler]: Unknown extern function sock_no_socketpair [2022-12-14 05:16:14,537 WARN L623 FunctionHandler]: Unknown extern function sock_no_mmap [2022-12-14 05:16:14,537 WARN L623 FunctionHandler]: Unknown extern function datagram_poll [2022-12-14 05:16:14,538 WARN L623 FunctionHandler]: Unknown extern function sock_no_sendpage [2022-12-14 05:16:14,538 WARN L623 FunctionHandler]: Unknown extern function sock_no_shutdown [2022-12-14 05:16:14,539 WARN L623 FunctionHandler]: Unknown extern function sock_no_socketpair [2022-12-14 05:16:14,540 WARN L623 FunctionHandler]: Unknown extern function sock_no_mmap [2022-12-14 05:16:14,540 WARN L623 FunctionHandler]: Unknown extern function datagram_poll [2022-12-14 05:16:14,541 WARN L623 FunctionHandler]: Unknown extern function sock_no_sendpage [2022-12-14 05:16:14,541 WARN L623 FunctionHandler]: Unknown extern function sock_no_shutdown [2022-12-14 05:16:14,541 WARN L623 FunctionHandler]: Unknown extern function sock_no_socketpair [2022-12-14 05:16:14,568 WARN L623 FunctionHandler]: Unknown extern function lock_sock_nested [2022-12-14 05:16:14,568 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-12-14 05:16:14,569 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-12-14 05:16:14,569 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-12-14 05:16:14,569 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-12-14 05:16:14,569 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-12-14 05:16:14,569 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-12-14 05:16:14,569 WARN L623 FunctionHandler]: Unknown extern function release_sock [2022-12-14 05:16:14,570 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 05:16:14,570 WARN L623 FunctionHandler]: Unknown extern function alloc_netdev_mqs [2022-12-14 05:16:14,571 WARN L623 FunctionHandler]: Unknown extern function register_netdev [2022-12-14 05:16:14,571 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 05:16:14,571 WARN L623 FunctionHandler]: Unknown extern function register_netdevice_notifier [2022-12-14 05:16:14,571 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 05:16:14,572 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 05:16:14,572 WARN L623 FunctionHandler]: Unknown extern function unregister_netdevice_notifier [2022-12-14 05:16:14,572 WARN L623 FunctionHandler]: Unknown extern function unregister_netdev [2022-12-14 05:16:14,572 WARN L623 FunctionHandler]: Unknown extern function free_netdev [2022-12-14 05:16:14,579 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:16:14,579 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:14,583 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 05:16:14,586 WARN L623 FunctionHandler]: Unknown extern function arp_find [2022-12-14 05:16:14,586 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,589 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,589 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,589 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-12-14 05:16:14,591 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:14,591 WARN L623 FunctionHandler]: Unknown extern function consume_skb [2022-12-14 05:16:14,597 WARN L623 FunctionHandler]: Unknown extern function sock_queue_rcv_skb [2022-12-14 05:16:14,598 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:14,600 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,601 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,601 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 05:16:14,601 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:14,601 WARN L623 FunctionHandler]: Unknown extern function msecs_to_jiffies [2022-12-14 05:16:14,602 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:14,602 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:14,603 WARN L623 FunctionHandler]: Unknown extern function ax25_send_frame [2022-12-14 05:16:14,603 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:14,603 WARN L623 FunctionHandler]: Unknown extern function ax25_find_cb [2022-12-14 05:16:14,604 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:14,604 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:14,605 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,605 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:14,605 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:16:14,606 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,606 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:16:14,606 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,607 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:16:14,607 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,608 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 05:16:14,608 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,608 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 05:16:14,608 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:14,609 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:14,609 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:14,609 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:14,609 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:14,609 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:14,609 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:14,610 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:14,610 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:14,610 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,610 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 05:16:14,611 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:14,611 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,612 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,612 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,612 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,612 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,612 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,612 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:14,632 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,632 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:14,633 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:14,633 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:14,634 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:14,634 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:14,641 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:14,641 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 05:16:14,641 WARN L623 FunctionHandler]: Unknown extern function skb_queue_tail [2022-12-14 05:16:14,642 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:14,644 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:14,645 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:14,645 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:14,645 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:14,646 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 05:16:14,646 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:14,647 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:14,647 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:14,647 WARN L623 FunctionHandler]: Unknown extern function __bad_percpu_size [2022-12-14 05:16:14,647 WARN L623 FunctionHandler]: Unknown extern function __bad_size_call_parameter [2022-12-14 05:16:14,648 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,648 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,653 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:14,658 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:14,659 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:14,659 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,692 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,693 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,697 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 05:16:14,701 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,701 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,702 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,702 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,709 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,710 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:16:14,718 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:14,723 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:14,737 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:16:14,775 WARN L623 FunctionHandler]: Unknown extern function __dev_get_by_name [2022-12-14 05:16:14,777 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:14,777 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 05:16:14,777 WARN L623 FunctionHandler]: Unknown extern function strncmp [2022-12-14 05:16:14,778 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:14,778 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 05:16:14,779 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:14,779 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 05:16:14,780 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:14,780 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 05:16:14,781 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:14,781 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 05:16:14,782 WARN L623 FunctionHandler]: Unknown extern function debug_lockdep_rcu_enabled [2022-12-14 05:16:14,782 WARN L623 FunctionHandler]: Unknown extern function rcu_read_lock_held [2022-12-14 05:16:14,791 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 05:16:14,801 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:14,804 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:14,804 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:14,812 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:14,812 WARN L623 FunctionHandler]: Unknown extern function ax25cmp [2022-12-14 05:16:14,828 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:14,828 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:14,828 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:14,829 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:14,831 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:14,832 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-12-14 05:16:14,832 WARN L623 FunctionHandler]: Unknown extern function ax25_display_timer [2022-12-14 05:16:14,832 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:14,832 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:14,833 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:14,833 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:14,834 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:14,836 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:14,837 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:14,837 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:14,837 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:14,837 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:14,837 WARN L623 FunctionHandler]: Unknown extern function seq_printf [2022-12-14 05:16:14,838 WARN L623 FunctionHandler]: Unknown extern function seq_puts [2022-12-14 05:16:14,842 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 05:16:14,842 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 05:16:14,843 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 05:16:14,843 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 05:16:14,843 WARN L623 FunctionHandler]: Unknown extern function seq_lseek [2022-12-14 05:16:14,843 WARN L623 FunctionHandler]: Unknown extern function seq_read [2022-12-14 05:16:14,850 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:16:14,850 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 05:16:14,850 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 05:16:14,851 WARN L623 FunctionHandler]: Unknown extern function seq_open [2022-12-14 05:16:14,851 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 05:16:14,851 WARN L623 FunctionHandler]: Unknown extern function skb_queue_purge [2022-12-14 05:16:14,852 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:14,852 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,852 WARN L623 FunctionHandler]: Unknown extern function skb_queue_head [2022-12-14 05:16:14,852 WARN L623 FunctionHandler]: Unknown extern function skb_append [2022-12-14 05:16:14,853 WARN L623 FunctionHandler]: Unknown extern function skb_dequeue [2022-12-14 05:16:14,854 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:16:14,856 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:14,856 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:16:14,862 WARN L623 FunctionHandler]: Unknown extern function asc2ax [2022-12-14 05:16:14,862 WARN L623 FunctionHandler]: Unknown extern function asc2ax [2022-12-14 05:16:14,863 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-14 05:16:14,863 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:16:14,866 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:14,867 WARN L623 FunctionHandler]: Unknown extern function ax2asc [2022-12-14 05:16:14,870 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-14 05:16:14,870 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-14 05:16:14,871 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:14,871 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:14,871 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:14,872 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:14,872 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:14,872 WARN L623 FunctionHandler]: Unknown extern function add_timer [2022-12-14 05:16:14,876 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:14,876 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:14,876 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:14,877 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:14,877 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:14,877 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:14,877 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:14,877 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:14,878 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:14,878 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:14,878 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:14,878 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:14,878 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:14,879 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:14,879 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:14,879 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:14,879 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:16:14,879 WARN L623 FunctionHandler]: Unknown extern function ldv_del_timer [2022-12-14 05:16:14,881 WARN L623 FunctionHandler]: Unknown extern function unregister_net_sysctl_table [2022-12-14 05:16:14,881 WARN L623 FunctionHandler]: Unknown extern function register_net_sysctl [2022-12-14 05:16:14,882 WARN L623 FunctionHandler]: Unknown extern function ldv_register_net_sysctl [2022-12-14 05:16:14,890 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:16:14,894 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:16:14,922 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680431,680444] [2022-12-14 05:16:14,923 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680576,680589] [2022-12-14 05:16:14,923 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680722,680735] [2022-12-14 05:16:14,924 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[680887,680900] [2022-12-14 05:16:14,924 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681045,681058] [2022-12-14 05:16:14,924 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681203,681216] [2022-12-14 05:16:14,925 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681361,681374] [2022-12-14 05:16:14,925 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681521,681534] [2022-12-14 05:16:14,926 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681680,681693] [2022-12-14 05:16:14,926 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681819,681832] [2022-12-14 05:16:14,926 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[681961,681974] [2022-12-14 05:16:14,927 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682110,682123] [2022-12-14 05:16:14,927 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682249,682262] [2022-12-14 05:16:14,928 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682404,682417] [2022-12-14 05:16:14,928 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682564,682577] [2022-12-14 05:16:14,928 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682715,682728] [2022-12-14 05:16:14,929 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[682866,682879] [2022-12-14 05:16:14,929 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683018,683031] [2022-12-14 05:16:14,929 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683167,683180] [2022-12-14 05:16:14,930 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683315,683328] [2022-12-14 05:16:14,930 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683472,683485] [2022-12-14 05:16:14,930 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683621,683634] [2022-12-14 05:16:14,931 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683777,683790] [2022-12-14 05:16:14,931 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[683930,683943] [2022-12-14 05:16:14,931 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684076,684089] [2022-12-14 05:16:14,932 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684219,684232] [2022-12-14 05:16:14,932 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684371,684384] [2022-12-14 05:16:14,932 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684517,684530] [2022-12-14 05:16:14,933 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684662,684675] [2022-12-14 05:16:14,933 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684816,684829] [2022-12-14 05:16:14,933 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[684967,684980] [2022-12-14 05:16:14,934 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685122,685135] [2022-12-14 05:16:14,934 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685274,685287] [2022-12-14 05:16:14,934 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685429,685442] [2022-12-14 05:16:14,935 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685593,685606] [2022-12-14 05:16:14,935 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685749,685762] [2022-12-14 05:16:14,935 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[685913,685926] [2022-12-14 05:16:14,936 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686055,686068] [2022-12-14 05:16:14,936 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686213,686226] [2022-12-14 05:16:14,936 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686380,686393] [2022-12-14 05:16:14,937 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686539,686552] [2022-12-14 05:16:14,937 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686698,686711] [2022-12-14 05:16:14,937 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686847,686860] [2022-12-14 05:16:14,938 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[686994,687007] [2022-12-14 05:16:14,938 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687133,687146] [2022-12-14 05:16:14,938 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687296,687309] [2022-12-14 05:16:14,939 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687462,687475] [2022-12-14 05:16:14,939 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687626,687639] [2022-12-14 05:16:14,939 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687791,687804] [2022-12-14 05:16:14,940 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[687956,687969] [2022-12-14 05:16:14,940 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688122,688135] [2022-12-14 05:16:14,940 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688287,688300] [2022-12-14 05:16:14,941 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688454,688467] [2022-12-14 05:16:14,941 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688614,688627] [2022-12-14 05:16:14,941 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688776,688789] [2022-12-14 05:16:14,942 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[688935,688948] [2022-12-14 05:16:14,942 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689081,689094] [2022-12-14 05:16:14,943 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689224,689237] [2022-12-14 05:16:14,943 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689368,689381] [2022-12-14 05:16:14,943 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689511,689524] [2022-12-14 05:16:14,944 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689655,689668] [2022-12-14 05:16:14,944 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689796,689809] [2022-12-14 05:16:14,944 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[689934,689947] [2022-12-14 05:16:14,944 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690092,690105] [2022-12-14 05:16:14,945 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690251,690264] [2022-12-14 05:16:14,945 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690407,690420] [2022-12-14 05:16:14,946 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690556,690569] [2022-12-14 05:16:14,946 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690708,690721] [2022-12-14 05:16:14,946 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[690859,690872] [2022-12-14 05:16:14,947 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691008,691021] [2022-12-14 05:16:14,947 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691160,691173] [2022-12-14 05:16:14,947 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691308,691321] [2022-12-14 05:16:14,948 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691461,691474] [2022-12-14 05:16:14,948 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691612,691625] [2022-12-14 05:16:14,948 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691762,691775] [2022-12-14 05:16:14,949 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[691909,691922] [2022-12-14 05:16:14,949 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692060,692073] [2022-12-14 05:16:14,949 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692211,692224] [2022-12-14 05:16:14,950 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692359,692372] [2022-12-14 05:16:14,950 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692525,692538] [2022-12-14 05:16:14,950 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692694,692707] [2022-12-14 05:16:14,951 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[692861,692874] [2022-12-14 05:16:14,951 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693029,693042] [2022-12-14 05:16:14,951 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693179,693192] [2022-12-14 05:16:14,951 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693326,693339] [2022-12-14 05:16:14,952 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693487,693500] [2022-12-14 05:16:14,952 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693657,693670] [2022-12-14 05:16:14,952 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_bf2ceb15-a768-4078-aaf4-809c87c20a31/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--rose--rose.ko.cil.i[693819,693832] [2022-12-14 05:16:14,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:16:15,263 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:16:15,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:16:15 WrapperNode [2022-12-14 05:16:15,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:16:15,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:16:15,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:16:15,265 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:16:15,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:16:15" (1/1) ... [2022-12-14 05:16:15,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:16:15" (1/1) ... [2022-12-14 05:16:15,602 INFO L138 Inliner]: procedures = 963, calls = 5049, calls flagged for inlining = 494, calls inlined = 305, statements flattened = 9457 [2022-12-14 05:16:15,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:16:15,603 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:16:15,603 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:16:15,603 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:16:15,611 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:16:15" (1/1) ... [2022-12-14 05:16:15,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:16:15" (1/1) ... [2022-12-14 05:16:15,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:16:15" (1/1) ... [2022-12-14 05:16:15,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:16:15" (1/1) ... [2022-12-14 05:16:15,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:16:15" (1/1) ... [2022-12-14 05:16:15,765 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:16:15" (1/1) ... [2022-12-14 05:16:15,897 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:16:15" (1/1) ... [2022-12-14 05:16:15,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:16:15" (1/1) ... [2022-12-14 05:16:15,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:16:15,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:16:15,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:16:15,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:16:15,981 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:16:15" (1/1) ... [2022-12-14 05:16:15,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:16:15,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:16:16,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:16:16,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:16:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure rose_stop_timer [2022-12-14 05:16:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_stop_timer [2022-12-14 05:16:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-12-14 05:16:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-12-14 05:16:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure seq_puts [2022-12-14 05:16:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_puts [2022-12-14 05:16:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-12-14 05:16:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-12-14 05:16:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure rose_start_heartbeat [2022-12-14 05:16:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_start_heartbeat [2022-12-14 05:16:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure sock_init_data [2022-12-14 05:16:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_init_data [2022-12-14 05:16:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-12-14 05:16:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-12-14 05:16:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_135 [2022-12-14 05:16:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_135 [2022-12-14 05:16:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure proto_unregister [2022-12-14 05:16:16,050 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_unregister [2022-12-14 05:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 05:16:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 05:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 05:16:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 05:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure rose_add_loopback_node [2022-12-14 05:16:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_add_loopback_node [2022-12-14 05:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-12-14 05:16:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-12-14 05:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure sock_set_flag [2022-12-14 05:16:16,051 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_set_flag [2022-12-14 05:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-12-14 05:16:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-12-14 05:16:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-12-14 05:16:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure rose_send_frame [2022-12-14 05:16:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_send_frame [2022-12-14 05:16:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure rose_destroy_socket [2022-12-14 05:16:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_destroy_socket [2022-12-14 05:16:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure rose_write_internal [2022-12-14 05:16:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_write_internal [2022-12-14 05:16:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-12-14 05:16:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-12-14 05:16:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure rose_del_loopback_node [2022-12-14 05:16:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_del_loopback_node [2022-12-14 05:16:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 05:16:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 05:16:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-14 05:16:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-14 05:16:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure rose_requeue_frames [2022-12-14 05:16:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_requeue_frames [2022-12-14 05:16:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure rose_rx_call_request [2022-12-14 05:16:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_rx_call_request [2022-12-14 05:16:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-12-14 05:16:16,053 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-12-14 05:16:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure rose_dev_get [2022-12-14 05:16:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_dev_get [2022-12-14 05:16:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure sock_wfree [2022-12-14 05:16:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 05:16:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 05:16:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure rose_new_lci [2022-12-14 05:16:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_new_lci [2022-12-14 05:16:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure seq_open [2022-12-14 05:16:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_open [2022-12-14 05:16:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 05:16:16,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 05:16:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 05:16:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 05:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure rose_neigh_open [2022-12-14 05:16:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_neigh_open [2022-12-14 05:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-12-14 05:16:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-12-14 05:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure rose_validate_nr [2022-12-14 05:16:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_validate_nr [2022-12-14 05:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 05:16:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 05:16:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-12-14 05:16:16,055 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-12-14 05:16:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure sock_flag [2022-12-14 05:16:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_flag [2022-12-14 05:16:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure timer_pending [2022-12-14 05:16:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure timer_pending [2022-12-14 05:16:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:16:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:16:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 05:16:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 05:16:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:16:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure ax2asc [2022-12-14 05:16:16,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ax2asc [2022-12-14 05:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-12-14 05:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure rose_start_t0timer [2022-12-14 05:16:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_start_t0timer [2022-12-14 05:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure rose_transmit_restart_request [2022-12-14 05:16:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_transmit_restart_request [2022-12-14 05:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-12-14 05:16:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-12-14 05:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-12-14 05:16:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-12-14 05:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-12-14 05:16:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-12-14 05:16:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure rose_process_rx_frame [2022-12-14 05:16:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_process_rx_frame [2022-12-14 05:16:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:16:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:16:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 05:16:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-12-14 05:16:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-12-14 05:16:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure sock_hold [2022-12-14 05:16:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_hold [2022-12-14 05:16:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-12-14 05:16:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure ax25_cb_put [2022-12-14 05:16:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ax25_cb_put [2022-12-14 05:16:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 05:16:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 05:16:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head [2022-12-14 05:16:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head [2022-12-14 05:16:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure rose_clear_queues [2022-12-14 05:16:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_clear_queues [2022-12-14 05:16:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-12-14 05:16:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-12-14 05:16:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-14 05:16:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-14 05:16:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 05:16:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 05:16:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure rose_insert_socket [2022-12-14 05:16:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_insert_socket [2022-12-14 05:16:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure rose_parse_facilities [2022-12-14 05:16:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_parse_facilities [2022-12-14 05:16:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:16:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 05:16:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 05:16:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:16:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-12-14 05:16:16,060 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-12-14 05:16:16,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_125 [2022-12-14 05:16:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_125 [2022-12-14 05:16:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_126 [2022-12-14 05:16:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_126 [2022-12-14 05:16:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 05:16:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 05:16:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-12-14 05:16:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-12-14 05:16:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_127___0 [2022-12-14 05:16:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_127___0 [2022-12-14 05:16:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure rose_start_idletimer [2022-12-14 05:16:16,061 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_start_idletimer [2022-12-14 05:16:16,061 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-12-14 05:16:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-12-14 05:16:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure rose_transmit_link [2022-12-14 05:16:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_transmit_link [2022-12-14 05:16:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 05:16:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 05:16:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 05:16:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 05:16:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure rose_find_socket [2022-12-14 05:16:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_find_socket [2022-12-14 05:16:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure rose_remove_node [2022-12-14 05:16:16,062 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_remove_node [2022-12-14 05:16:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-12-14 05:16:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-12-14 05:16:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:16:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 05:16:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 05:16:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure ax25_display_timer [2022-12-14 05:16:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ax25_display_timer [2022-12-14 05:16:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure rose_remove_route [2022-12-14 05:16:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_remove_route [2022-12-14 05:16:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure ax25_listen_release [2022-12-14 05:16:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ax25_listen_release [2022-12-14 05:16:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure rosecmp [2022-12-14 05:16:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rosecmp [2022-12-14 05:16:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure rose_stop_ftimer [2022-12-14 05:16:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_stop_ftimer [2022-12-14 05:16:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure rose_del_route_by_neigh [2022-12-14 05:16:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_del_route_by_neigh [2022-12-14 05:16:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 05:16:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 05:16:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-12-14 05:16:16,064 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-12-14 05:16:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_134 [2022-12-14 05:16:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_134 [2022-12-14 05:16:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-12-14 05:16:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-12-14 05:16:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 05:16:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 05:16:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-14 05:16:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-14 05:16:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 05:16:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 05:16:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure rose_setup [2022-12-14 05:16:16,065 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_setup [2022-12-14 05:16:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure sk_wmem_alloc_get [2022-12-14 05:16:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_wmem_alloc_get [2022-12-14 05:16:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure sk_alloc [2022-12-14 05:16:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_alloc [2022-12-14 05:16:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure ax25cmp [2022-12-14 05:16:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ax25cmp [2022-12-14 05:16:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 05:16:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 05:16:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure remove_proc_entry [2022-12-14 05:16:16,066 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_proc_entry [2022-12-14 05:16:16,066 INFO L130 BoogieDeclarations]: Found specification of procedure rose_start_t3timer [2022-12-14 05:16:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_start_t3timer [2022-12-14 05:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-12-14 05:16:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-12-14 05:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 05:16:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 05:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-14 05:16:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-14 05:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure rose_remove_neigh [2022-12-14 05:16:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_remove_neigh [2022-12-14 05:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:16:16,067 INFO L130 BoogieDeclarations]: Found specification of procedure rose_disconnect [2022-12-14 05:16:16,067 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_disconnect [2022-12-14 05:16:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-12-14 05:16:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-12-14 05:16:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure sock_put [2022-12-14 05:16:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure sock_put [2022-12-14 05:16:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 05:16:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure sk_rmem_alloc_get [2022-12-14 05:16:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure sk_rmem_alloc_get [2022-12-14 05:16:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-12-14 05:16:16,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-12-14 05:16:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 05:16:16,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-14 05:16:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-14 05:16:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-14 05:16:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-14 05:16:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure rose_route_free_lci [2022-12-14 05:16:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_route_free_lci [2022-12-14 05:16:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 05:16:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 05:16:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 05:16:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 05:16:16,069 INFO L130 BoogieDeclarations]: Found specification of procedure rose2asc [2022-12-14 05:16:16,069 INFO L138 BoogieDeclarations]: Found implementation of procedure rose2asc [2022-12-14 05:16:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure rose_get_neigh [2022-12-14 05:16:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_get_neigh [2022-12-14 05:16:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 05:16:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 05:16:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 05:16:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 05:16:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-12-14 05:16:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-12-14 05:16:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure proc_create [2022-12-14 05:16:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_create [2022-12-14 05:16:16,070 INFO L130 BoogieDeclarations]: Found specification of procedure rose_kick [2022-12-14 05:16:16,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_kick [2022-12-14 05:16:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_149 [2022-12-14 05:16:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_149 [2022-12-14 05:16:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure rose_start_t2timer [2022-12-14 05:16:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_start_t2timer [2022-12-14 05:16:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_seq_open [2022-12-14 05:16:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_seq_open [2022-12-14 05:16:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 05:16:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-12-14 05:16:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-12-14 05:16:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-12-14 05:16:16,071 INFO L130 BoogieDeclarations]: Found specification of procedure rosecmpm [2022-12-14 05:16:16,071 INFO L138 BoogieDeclarations]: Found implementation of procedure rosecmpm [2022-12-14 05:16:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure rose_enquiry_response [2022-12-14 05:16:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_enquiry_response [2022-12-14 05:16:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-12-14 05:16:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-12-14 05:16:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 05:16:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 05:16:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_transport_header [2022-12-14 05:16:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_transport_header [2022-12-14 05:16:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-12-14 05:16:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-12-14 05:16:16,072 INFO L130 BoogieDeclarations]: Found specification of procedure rose_kill_by_neigh [2022-12-14 05:16:16,072 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_kill_by_neigh [2022-12-14 05:16:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-12-14 05:16:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-12-14 05:16:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure rose_stop_t0timer [2022-12-14 05:16:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_stop_t0timer [2022-12-14 05:16:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 05:16:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 05:16:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 05:16:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 05:16:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 05:16:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-12-14 05:16:16,073 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-12-14 05:16:16,073 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 05:16:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 05:16:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure skb_orphan [2022-12-14 05:16:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_orphan [2022-12-14 05:16:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 05:16:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-12-14 05:16:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 05:16:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-12-14 05:16:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-12-14 05:16:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 05:16:16,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 05:16:16,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_150 [2022-12-14 05:16:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_150 [2022-12-14 05:16:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 05:16:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 05:16:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure skb_set_hash_from_sk [2022-12-14 05:16:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_set_hash_from_sk [2022-12-14 05:16:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure rose_route_frame [2022-12-14 05:16:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_route_frame [2022-12-14 05:16:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-12-14 05:16:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-12-14 05:16:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure rose_stop_idletimer [2022-12-14 05:16:16,075 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_stop_idletimer [2022-12-14 05:16:16,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 05:16:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 05:16:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 05:16:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 05:16:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_127 [2022-12-14 05:16:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_127 [2022-12-14 05:16:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_128 [2022-12-14 05:16:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_128 [2022-12-14 05:16:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 05:16:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 05:16:16,076 INFO L130 BoogieDeclarations]: Found specification of procedure rose_route_open [2022-12-14 05:16:16,076 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_route_open [2022-12-14 05:16:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure rose_nodes_open [2022-12-14 05:16:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_nodes_open [2022-12-14 05:16:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 05:16:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 05:16:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure rose_transmit_clear_request [2022-12-14 05:16:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_transmit_clear_request [2022-12-14 05:16:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure ax25_cb_put___0 [2022-12-14 05:16:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ax25_cb_put___0 [2022-12-14 05:16:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_126___0 [2022-12-14 05:16:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_126___0 [2022-12-14 05:16:16,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 05:16:16,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 05:16:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 05:16:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 05:16:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 05:16:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 05:16:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure asc2ax [2022-12-14 05:16:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure asc2ax [2022-12-14 05:16:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-12-14 05:16:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-12-14 05:16:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-12-14 05:16:16,078 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-12-14 05:16:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:16:16,078 INFO L130 BoogieDeclarations]: Found specification of procedure rose_frames_acked [2022-12-14 05:16:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure rose_frames_acked [2022-12-14 05:16:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure net_eq [2022-12-14 05:16:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure net_eq [2022-12-14 05:16:16,079 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-12-14 05:16:16,079 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-12-14 05:16:16,862 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:16:16,864 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:16:17,252 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 05:17:08,975 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:17:09,768 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:17:09,768 INFO L300 CfgBuilder]: Removed 11 assume(true) statements. [2022-12-14 05:17:09,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:17:09 BoogieIcfgContainer [2022-12-14 05:17:09,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:17:09,774 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:17:09,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:17:09,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:17:09,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:16:07" (1/3) ... [2022-12-14 05:17:09,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6ac114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:17:09, skipping insertion in model container [2022-12-14 05:17:09,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:16:15" (2/3) ... [2022-12-14 05:17:09,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c6ac114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:17:09, skipping insertion in model container [2022-12-14 05:17:09,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:17:09" (3/3) ... [2022-12-14 05:17:09,778 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---net--rose--rose.ko.cil.i [2022-12-14 05:17:09,792 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:17:09,792 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-12-14 05:17:09,858 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:17:09,862 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;@1633e7d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:17:09,863 INFO L358 AbstractCegarLoop]: Starting to check reachability of 26 error locations. [2022-12-14 05:17:09,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 2337 states, 1358 states have (on average 1.349779086892489) internal successors, (1833), 1502 states have internal predecessors, (1833), 791 states have call successors, (791), 162 states have call predecessors, (791), 161 states have return successors, (779), 738 states have call predecessors, (779), 779 states have call successors, (779) [2022-12-14 05:17:09,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 05:17:09,883 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:17:09,884 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:17:09,884 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:17:09,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:17:09,889 INFO L85 PathProgramCache]: Analyzing trace with hash -281147928, now seen corresponding path program 1 times [2022-12-14 05:17:09,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:17:09,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375211360] [2022-12-14 05:17:09,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:17:09,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:17:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:17:11,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:17:11,077 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:17:11,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375211360] [2022-12-14 05:17:11,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375211360] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:17:11,078 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:17:11,078 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 05:17:11,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222666384] [2022-12-14 05:17:11,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:17:11,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 05:17:11,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:17:11,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 05:17:11,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:17:11,121 INFO L87 Difference]: Start difference. First operand has 2337 states, 1358 states have (on average 1.349779086892489) internal successors, (1833), 1502 states have internal predecessors, (1833), 791 states have call successors, (791), 162 states have call predecessors, (791), 161 states have return successors, (779), 738 states have call predecessors, (779), 779 states have call successors, (779) Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 05:17:27,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:17:27,680 INFO L93 Difference]: Finished difference Result 5465 states and 8125 transitions. [2022-12-14 05:17:27,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 05:17:27,682 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2022-12-14 05:17:27,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:17:27,707 INFO L225 Difference]: With dead ends: 5465 [2022-12-14 05:17:27,707 INFO L226 Difference]: Without dead ends: 3117 [2022-12-14 05:17:27,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:17:27,724 INFO L413 NwaCegarLoop]: 3493 mSDtfsCounter, 3121 mSDsluCounter, 10227 mSDsCounter, 0 mSdLazyCounter, 3195 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3128 SdHoareTripleChecker+Valid, 13720 SdHoareTripleChecker+Invalid, 3197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:17:27,724 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3128 Valid, 13720 Invalid, 3197 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3195 Invalid, 0 Unknown, 0 Unchecked, 15.9s Time] [2022-12-14 05:17:27,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3117 states. [2022-12-14 05:17:27,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3117 to 3109. [2022-12-14 05:17:27,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3109 states, 1842 states have (on average 1.3268186753528772) internal successors, (2444), 2000 states have internal predecessors, (2444), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-12-14 05:17:27,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 3109 states and 4436 transitions. [2022-12-14 05:17:27,889 INFO L78 Accepts]: Start accepts. Automaton has 3109 states and 4436 transitions. Word has length 16 [2022-12-14 05:17:27,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:17:27,889 INFO L495 AbstractCegarLoop]: Abstraction has 3109 states and 4436 transitions. [2022-12-14 05:17:27,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 05:17:27,889 INFO L276 IsEmpty]: Start isEmpty. Operand 3109 states and 4436 transitions. [2022-12-14 05:17:27,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 05:17:27,890 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:17:27,890 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:17:27,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:17:27,891 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:17:27,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:17:27,891 INFO L85 PathProgramCache]: Analyzing trace with hash -291426791, now seen corresponding path program 1 times [2022-12-14 05:17:27,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:17:27,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115362050] [2022-12-14 05:17:27,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:17:27,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:17:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:17:28,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 05:17:28,149 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:17:28,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115362050] [2022-12-14 05:17:28,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115362050] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:17:28,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:17:28,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:17:28,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57603532] [2022-12-14 05:17:28,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:17:28,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:17:28,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:17:28,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:17:28,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:17:28,151 INFO L87 Difference]: Start difference. First operand 3109 states and 4436 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 05:17:31,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:17:31,086 INFO L93 Difference]: Finished difference Result 6206 states and 8944 transitions. [2022-12-14 05:17:31,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:17:31,087 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2022-12-14 05:17:31,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:17:31,111 INFO L225 Difference]: With dead ends: 6206 [2022-12-14 05:17:31,111 INFO L226 Difference]: Without dead ends: 3103 [2022-12-14 05:17:31,126 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 05:17:31,127 INFO L413 NwaCegarLoop]: 2982 mSDtfsCounter, 3328 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 2982 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:17:31,127 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3328 Valid, 2982 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-14 05:17:31,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3103 states. [2022-12-14 05:17:31,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3103 to 3103. [2022-12-14 05:17:31,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3103 states, 1837 states have (on average 1.3255307566684813) internal successors, (2435), 1994 states have internal predecessors, (2435), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-12-14 05:17:31,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3103 states to 3103 states and 4427 transitions. [2022-12-14 05:17:31,295 INFO L78 Accepts]: Start accepts. Automaton has 3103 states and 4427 transitions. Word has length 19 [2022-12-14 05:17:31,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:17:31,295 INFO L495 AbstractCegarLoop]: Abstraction has 3103 states and 4427 transitions. [2022-12-14 05:17:31,296 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-14 05:17:31,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3103 states and 4427 transitions. [2022-12-14 05:17:31,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-12-14 05:17:31,296 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:17:31,297 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:17:31,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:17:31,297 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:17:31,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:17:31,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1136668356, now seen corresponding path program 1 times [2022-12-14 05:17:31,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:17:31,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705390634] [2022-12-14 05:17:31,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:17:31,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:17:31,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:17:31,690 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:17:31,690 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:17:31,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705390634] [2022-12-14 05:17:31,690 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705390634] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:17:31,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:17:31,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:17:31,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683561362] [2022-12-14 05:17:31,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:17:31,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:17:31,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:17:31,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:17:31,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:17:31,693 INFO L87 Difference]: Start difference. First operand 3103 states and 4427 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 05:17:35,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:17:35,896 INFO L93 Difference]: Finished difference Result 3103 states and 4427 transitions. [2022-12-14 05:17:35,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:17:35,897 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 38 [2022-12-14 05:17:35,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:17:35,911 INFO L225 Difference]: With dead ends: 3103 [2022-12-14 05:17:35,911 INFO L226 Difference]: Without dead ends: 3101 [2022-12-14 05:17:35,912 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:17:35,913 INFO L413 NwaCegarLoop]: 2979 mSDtfsCounter, 3321 mSDsluCounter, 2979 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3323 SdHoareTripleChecker+Valid, 5958 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:17:35,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3323 Valid, 5958 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 05:17:35,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3101 states. [2022-12-14 05:17:36,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3101 to 3101. [2022-12-14 05:17:36,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3101 states, 1836 states have (on average 1.3251633986928104) internal successors, (2433), 1992 states have internal predecessors, (2433), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-12-14 05:17:36,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3101 states to 3101 states and 4425 transitions. [2022-12-14 05:17:36,029 INFO L78 Accepts]: Start accepts. Automaton has 3101 states and 4425 transitions. Word has length 38 [2022-12-14 05:17:36,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:17:36,029 INFO L495 AbstractCegarLoop]: Abstraction has 3101 states and 4425 transitions. [2022-12-14 05:17:36,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-12-14 05:17:36,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3101 states and 4425 transitions. [2022-12-14 05:17:36,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-14 05:17:36,031 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:17:36,031 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:17:36,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:17:36,031 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:17:36,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:17:36,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1856298328, now seen corresponding path program 1 times [2022-12-14 05:17:36,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:17:36,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040278711] [2022-12-14 05:17:36,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:17:36,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:17:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:17:36,344 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:17:36,344 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:17:36,344 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040278711] [2022-12-14 05:17:36,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040278711] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:17:36,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:17:36,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:17:36,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796949352] [2022-12-14 05:17:36,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:17:36,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:17:36,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:17:36,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:17:36,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:17:36,346 INFO L87 Difference]: Start difference. First operand 3101 states and 4425 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 05:17:41,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:17:41,126 INFO L93 Difference]: Finished difference Result 3101 states and 4425 transitions. [2022-12-14 05:17:41,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:17:41,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 43 [2022-12-14 05:17:41,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:17:41,153 INFO L225 Difference]: With dead ends: 3101 [2022-12-14 05:17:41,153 INFO L226 Difference]: Without dead ends: 3099 [2022-12-14 05:17:41,155 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:17:41,155 INFO L413 NwaCegarLoop]: 2977 mSDtfsCounter, 3318 mSDsluCounter, 2977 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3320 SdHoareTripleChecker+Valid, 5954 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:17:41,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3320 Valid, 5954 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 05:17:41,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3099 states. [2022-12-14 05:17:41,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3099 to 3099. [2022-12-14 05:17:41,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3099 states, 1835 states have (on average 1.3247956403269754) internal successors, (2431), 1990 states have internal predecessors, (2431), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-12-14 05:17:41,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 4423 transitions. [2022-12-14 05:17:41,326 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 4423 transitions. Word has length 43 [2022-12-14 05:17:41,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:17:41,326 INFO L495 AbstractCegarLoop]: Abstraction has 3099 states and 4423 transitions. [2022-12-14 05:17:41,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-14 05:17:41,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 4423 transitions. [2022-12-14 05:17:41,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-12-14 05:17:41,328 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:17:41,328 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:17:41,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 05:17:41,328 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:17:41,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:17:41,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1350848230, now seen corresponding path program 1 times [2022-12-14 05:17:41,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:17:41,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280537682] [2022-12-14 05:17:41,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:17:41,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:17:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:17:41,617 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:17:41,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:17:41,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280537682] [2022-12-14 05:17:41,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280537682] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:17:41,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:17:41,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:17:41,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896056053] [2022-12-14 05:17:41,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:17:41,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:17:41,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:17:41,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:17:41,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:17:41,619 INFO L87 Difference]: Start difference. First operand 3099 states and 4423 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 05:17:45,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:17:45,814 INFO L93 Difference]: Finished difference Result 3099 states and 4423 transitions. [2022-12-14 05:17:45,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:17:45,814 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 48 [2022-12-14 05:17:45,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:17:45,827 INFO L225 Difference]: With dead ends: 3099 [2022-12-14 05:17:45,827 INFO L226 Difference]: Without dead ends: 3097 [2022-12-14 05:17:45,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:17:45,829 INFO L413 NwaCegarLoop]: 2975 mSDtfsCounter, 3315 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3317 SdHoareTripleChecker+Valid, 5950 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:17:45,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3317 Valid, 5950 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 05:17:45,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3097 states. [2022-12-14 05:17:45,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3097 to 3097. [2022-12-14 05:17:45,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3097 states, 1834 states have (on average 1.3244274809160306) internal successors, (2429), 1988 states have internal predecessors, (2429), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-12-14 05:17:45,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3097 states to 3097 states and 4421 transitions. [2022-12-14 05:17:45,958 INFO L78 Accepts]: Start accepts. Automaton has 3097 states and 4421 transitions. Word has length 48 [2022-12-14 05:17:45,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:17:45,959 INFO L495 AbstractCegarLoop]: Abstraction has 3097 states and 4421 transitions. [2022-12-14 05:17:45,959 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-14 05:17:45,959 INFO L276 IsEmpty]: Start isEmpty. Operand 3097 states and 4421 transitions. [2022-12-14 05:17:45,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-12-14 05:17:45,960 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:17:45,960 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:17:45,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 05:17:45,960 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:17:45,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:17:45,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1744394263, now seen corresponding path program 1 times [2022-12-14 05:17:45,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:17:45,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535041769] [2022-12-14 05:17:45,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:17:45,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:17:46,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:17:46,325 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:17:46,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:17:46,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535041769] [2022-12-14 05:17:46,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535041769] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:17:46,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:17:46,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:17:46,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758868935] [2022-12-14 05:17:46,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:17:46,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:17:46,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:17:46,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:17:46,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:17:46,326 INFO L87 Difference]: Start difference. First operand 3097 states and 4421 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 05:17:50,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:17:50,777 INFO L93 Difference]: Finished difference Result 3097 states and 4421 transitions. [2022-12-14 05:17:50,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:17:50,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 53 [2022-12-14 05:17:50,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:17:50,789 INFO L225 Difference]: With dead ends: 3097 [2022-12-14 05:17:50,789 INFO L226 Difference]: Without dead ends: 3095 [2022-12-14 05:17:50,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:17:50,791 INFO L413 NwaCegarLoop]: 2973 mSDtfsCounter, 3312 mSDsluCounter, 2973 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3314 SdHoareTripleChecker+Valid, 5946 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:17:50,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3314 Valid, 5946 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 05:17:50,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3095 states. [2022-12-14 05:17:50,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3095 to 3095. [2022-12-14 05:17:50,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3095 states, 1833 states have (on average 1.3240589198036006) internal successors, (2427), 1986 states have internal predecessors, (2427), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-12-14 05:17:50,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3095 states to 3095 states and 4419 transitions. [2022-12-14 05:17:50,929 INFO L78 Accepts]: Start accepts. Automaton has 3095 states and 4419 transitions. Word has length 53 [2022-12-14 05:17:50,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:17:50,929 INFO L495 AbstractCegarLoop]: Abstraction has 3095 states and 4419 transitions. [2022-12-14 05:17:50,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-14 05:17:50,930 INFO L276 IsEmpty]: Start isEmpty. Operand 3095 states and 4419 transitions. [2022-12-14 05:17:50,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-12-14 05:17:50,931 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:17:50,931 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:17:50,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 05:17:50,931 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:17:50,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:17:50,931 INFO L85 PathProgramCache]: Analyzing trace with hash -2059022809, now seen corresponding path program 1 times [2022-12-14 05:17:50,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:17:50,932 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61846585] [2022-12-14 05:17:50,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:17:50,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:17:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:17:51,296 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:17:51,296 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:17:51,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61846585] [2022-12-14 05:17:51,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61846585] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:17:51,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:17:51,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:17:51,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771472891] [2022-12-14 05:17:51,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:17:51,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:17:51,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:17:51,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:17:51,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:17:51,298 INFO L87 Difference]: Start difference. First operand 3095 states and 4419 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 05:17:56,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:17:56,444 INFO L93 Difference]: Finished difference Result 3095 states and 4419 transitions. [2022-12-14 05:17:56,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:17:56,445 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 58 [2022-12-14 05:17:56,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:17:56,455 INFO L225 Difference]: With dead ends: 3095 [2022-12-14 05:17:56,455 INFO L226 Difference]: Without dead ends: 3093 [2022-12-14 05:17:56,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:17:56,457 INFO L413 NwaCegarLoop]: 2971 mSDtfsCounter, 3309 mSDsluCounter, 2971 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3311 SdHoareTripleChecker+Valid, 5942 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:17:56,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3311 Valid, 5942 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 05:17:56,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3093 states. [2022-12-14 05:17:56,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3093 to 3093. [2022-12-14 05:17:56,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3093 states, 1832 states have (on average 1.3236899563318778) internal successors, (2425), 1984 states have internal predecessors, (2425), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-12-14 05:17:56,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3093 states to 3093 states and 4417 transitions. [2022-12-14 05:17:56,592 INFO L78 Accepts]: Start accepts. Automaton has 3093 states and 4417 transitions. Word has length 58 [2022-12-14 05:17:56,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:17:56,592 INFO L495 AbstractCegarLoop]: Abstraction has 3093 states and 4417 transitions. [2022-12-14 05:17:56,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-14 05:17:56,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3093 states and 4417 transitions. [2022-12-14 05:17:56,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-12-14 05:17:56,594 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:17:56,594 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:17:56,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 05:17:56,594 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:17:56,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:17:56,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1224706376, now seen corresponding path program 1 times [2022-12-14 05:17:56,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:17:56,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240409431] [2022-12-14 05:17:56,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:17:56,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:17:56,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:17:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:17:56,856 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:17:56,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240409431] [2022-12-14 05:17:56,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240409431] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:17:56,857 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:17:56,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:17:56,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403610694] [2022-12-14 05:17:56,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:17:56,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:17:56,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:17:56,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:17:56,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:17:56,858 INFO L87 Difference]: Start difference. First operand 3093 states and 4417 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 05:18:01,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:18:01,474 INFO L93 Difference]: Finished difference Result 3093 states and 4417 transitions. [2022-12-14 05:18:01,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:18:01,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 63 [2022-12-14 05:18:01,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:18:01,486 INFO L225 Difference]: With dead ends: 3093 [2022-12-14 05:18:01,486 INFO L226 Difference]: Without dead ends: 3091 [2022-12-14 05:18:01,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:18:01,488 INFO L413 NwaCegarLoop]: 2969 mSDtfsCounter, 3306 mSDsluCounter, 2969 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3308 SdHoareTripleChecker+Valid, 5938 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:18:01,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3308 Valid, 5938 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-12-14 05:18:01,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3091 states. [2022-12-14 05:18:01,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3091 to 3091. [2022-12-14 05:18:01,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3091 states, 1831 states have (on average 1.3233205898416167) internal successors, (2423), 1982 states have internal predecessors, (2423), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-12-14 05:18:01,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 3091 states and 4415 transitions. [2022-12-14 05:18:01,647 INFO L78 Accepts]: Start accepts. Automaton has 3091 states and 4415 transitions. Word has length 63 [2022-12-14 05:18:01,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:18:01,647 INFO L495 AbstractCegarLoop]: Abstraction has 3091 states and 4415 transitions. [2022-12-14 05:18:01,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 05:18:01,647 INFO L276 IsEmpty]: Start isEmpty. Operand 3091 states and 4415 transitions. [2022-12-14 05:18:01,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-14 05:18:01,648 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:18:01,648 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:18:01,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 05:18:01,649 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:18:01,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:18:01,649 INFO L85 PathProgramCache]: Analyzing trace with hash 303983404, now seen corresponding path program 1 times [2022-12-14 05:18:01,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:18:01,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935854542] [2022-12-14 05:18:01,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:18:01,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:18:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:18:01,896 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:18:01,897 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:18:01,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935854542] [2022-12-14 05:18:01,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935854542] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:18:01,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:18:01,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:18:01,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981992382] [2022-12-14 05:18:01,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:18:01,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:18:01,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:18:01,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:18:01,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:18:01,898 INFO L87 Difference]: Start difference. First operand 3091 states and 4415 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 05:18:06,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:18:06,161 INFO L93 Difference]: Finished difference Result 3091 states and 4415 transitions. [2022-12-14 05:18:06,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:18:06,162 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 68 [2022-12-14 05:18:06,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:18:06,174 INFO L225 Difference]: With dead ends: 3091 [2022-12-14 05:18:06,174 INFO L226 Difference]: Without dead ends: 3089 [2022-12-14 05:18:06,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:18:06,176 INFO L413 NwaCegarLoop]: 2967 mSDtfsCounter, 3303 mSDsluCounter, 2967 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3305 SdHoareTripleChecker+Valid, 5934 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:18:06,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3305 Valid, 5934 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 05:18:06,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3089 states. [2022-12-14 05:18:06,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3089 to 3089. [2022-12-14 05:18:06,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3089 states, 1830 states have (on average 1.3229508196721311) internal successors, (2421), 1980 states have internal predecessors, (2421), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-12-14 05:18:06,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3089 states to 3089 states and 4413 transitions. [2022-12-14 05:18:06,331 INFO L78 Accepts]: Start accepts. Automaton has 3089 states and 4413 transitions. Word has length 68 [2022-12-14 05:18:06,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:18:06,331 INFO L495 AbstractCegarLoop]: Abstraction has 3089 states and 4413 transitions. [2022-12-14 05:18:06,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-14 05:18:06,331 INFO L276 IsEmpty]: Start isEmpty. Operand 3089 states and 4413 transitions. [2022-12-14 05:18:06,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-12-14 05:18:06,332 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:18:06,332 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:18:06,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 05:18:06,333 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:18:06,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:18:06,333 INFO L85 PathProgramCache]: Analyzing trace with hash 360105030, now seen corresponding path program 1 times [2022-12-14 05:18:06,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:18:06,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083294135] [2022-12-14 05:18:06,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:18:06,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:18:06,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:18:06,620 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:18:06,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:18:06,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083294135] [2022-12-14 05:18:06,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083294135] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:18:06,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:18:06,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:18:06,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293856526] [2022-12-14 05:18:06,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:18:06,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:18:06,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:18:06,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:18:06,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:18:06,622 INFO L87 Difference]: Start difference. First operand 3089 states and 4413 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 05:18:11,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:18:11,670 INFO L93 Difference]: Finished difference Result 3089 states and 4413 transitions. [2022-12-14 05:18:11,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:18:11,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 73 [2022-12-14 05:18:11,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:18:11,681 INFO L225 Difference]: With dead ends: 3089 [2022-12-14 05:18:11,681 INFO L226 Difference]: Without dead ends: 3087 [2022-12-14 05:18:11,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:18:11,683 INFO L413 NwaCegarLoop]: 2965 mSDtfsCounter, 3304 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3306 SdHoareTripleChecker+Valid, 5926 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:18:11,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3306 Valid, 5926 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-12-14 05:18:11,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3087 states. [2022-12-14 05:18:11,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3087 to 3087. [2022-12-14 05:18:11,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3087 states, 1829 states have (on average 1.3225806451612903) internal successors, (2419), 1978 states have internal predecessors, (2419), 997 states have call successors, (997), 245 states have call predecessors, (997), 244 states have return successors, (995), 948 states have call predecessors, (995), 995 states have call successors, (995) [2022-12-14 05:18:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 3087 states and 4411 transitions. [2022-12-14 05:18:11,845 INFO L78 Accepts]: Start accepts. Automaton has 3087 states and 4411 transitions. Word has length 73 [2022-12-14 05:18:11,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:18:11,845 INFO L495 AbstractCegarLoop]: Abstraction has 3087 states and 4411 transitions. [2022-12-14 05:18:11,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 05:18:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 3087 states and 4411 transitions. [2022-12-14 05:18:11,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-12-14 05:18:11,847 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:18:11,847 INFO L195 NwaCegarLoop]: trace histogram [5, 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] [2022-12-14 05:18:11,847 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 05:18:11,847 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:18:11,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:18:11,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1369187987, now seen corresponding path program 1 times [2022-12-14 05:18:11,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:18:11,847 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587014757] [2022-12-14 05:18:11,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:18:11,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:18:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:18:12,399 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-12-14 05:18:12,399 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:18:12,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587014757] [2022-12-14 05:18:12,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587014757] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:18:12,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:18:12,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:18:12,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860092330] [2022-12-14 05:18:12,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:18:12,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:18:12,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:18:12,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:18:12,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:18:12,401 INFO L87 Difference]: Start difference. First operand 3087 states and 4411 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 05:18:21,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:18:21,619 INFO L93 Difference]: Finished difference Result 5880 states and 8390 transitions. [2022-12-14 05:18:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:18:21,620 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2022-12-14 05:18:21,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:18:21,647 INFO L225 Difference]: With dead ends: 5880 [2022-12-14 05:18:21,647 INFO L226 Difference]: Without dead ends: 5878 [2022-12-14 05:18:21,651 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 05:18:21,651 INFO L413 NwaCegarLoop]: 3675 mSDtfsCounter, 3225 mSDsluCounter, 9993 mSDsCounter, 0 mSdLazyCounter, 1412 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3230 SdHoareTripleChecker+Valid, 13668 SdHoareTripleChecker+Invalid, 1415 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:18:21,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3230 Valid, 13668 Invalid, 1415 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1412 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-12-14 05:18:21,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5878 states. [2022-12-14 05:18:22,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5878 to 5839. [2022-12-14 05:18:22,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5839 states, 3473 states have (on average 1.3245033112582782) internal successors, (4600), 3748 states have internal predecessors, (4600), 1874 states have call successors, (1874), 480 states have call predecessors, (1874), 475 states have return successors, (1892), 1770 states have call predecessors, (1892), 1872 states have call successors, (1892) [2022-12-14 05:18:22,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5839 states to 5839 states and 8366 transitions. [2022-12-14 05:18:22,057 INFO L78 Accepts]: Start accepts. Automaton has 5839 states and 8366 transitions. Word has length 74 [2022-12-14 05:18:22,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:18:22,057 INFO L495 AbstractCegarLoop]: Abstraction has 5839 states and 8366 transitions. [2022-12-14 05:18:22,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-14 05:18:22,057 INFO L276 IsEmpty]: Start isEmpty. Operand 5839 states and 8366 transitions. [2022-12-14 05:18:22,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-12-14 05:18:22,058 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:18:22,058 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:18:22,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 05:18:22,059 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:18:22,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:18:22,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1831248503, now seen corresponding path program 1 times [2022-12-14 05:18:22,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:18:22,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763665960] [2022-12-14 05:18:22,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:18:22,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:18:22,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:18:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:18:22,335 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:18:22,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763665960] [2022-12-14 05:18:22,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763665960] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:18:22,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:18:22,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:18:22,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685489778] [2022-12-14 05:18:22,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:18:22,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:18:22,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:18:22,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:18:22,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:18:22,337 INFO L87 Difference]: Start difference. First operand 5839 states and 8366 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 05:18:26,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:18:26,763 INFO L93 Difference]: Finished difference Result 5839 states and 8366 transitions. [2022-12-14 05:18:26,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:18:26,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 75 [2022-12-14 05:18:26,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:18:26,780 INFO L225 Difference]: With dead ends: 5839 [2022-12-14 05:18:26,780 INFO L226 Difference]: Without dead ends: 5837 [2022-12-14 05:18:26,783 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:18:26,784 INFO L413 NwaCegarLoop]: 2963 mSDtfsCounter, 3296 mSDsluCounter, 2963 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3298 SdHoareTripleChecker+Valid, 5926 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:18:26,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3298 Valid, 5926 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 05:18:26,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5837 states. [2022-12-14 05:18:27,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5837 to 5837. [2022-12-14 05:18:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5837 states, 3472 states have (on average 1.3240207373271888) internal successors, (4597), 3746 states have internal predecessors, (4597), 1874 states have call successors, (1874), 480 states have call predecessors, (1874), 475 states have return successors, (1892), 1770 states have call predecessors, (1892), 1872 states have call successors, (1892) [2022-12-14 05:18:27,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5837 states to 5837 states and 8363 transitions. [2022-12-14 05:18:27,186 INFO L78 Accepts]: Start accepts. Automaton has 5837 states and 8363 transitions. Word has length 75 [2022-12-14 05:18:27,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:18:27,187 INFO L495 AbstractCegarLoop]: Abstraction has 5837 states and 8363 transitions. [2022-12-14 05:18:27,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 05:18:27,187 INFO L276 IsEmpty]: Start isEmpty. Operand 5837 states and 8363 transitions. [2022-12-14 05:18:27,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 05:18:27,188 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:18:27,188 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:18:27,188 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 05:18:27,189 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:18:27,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:18:27,189 INFO L85 PathProgramCache]: Analyzing trace with hash -2112835226, now seen corresponding path program 1 times [2022-12-14 05:18:27,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:18:27,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798152560] [2022-12-14 05:18:27,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:18:27,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:18:27,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:18:27,458 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:18:27,458 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:18:27,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798152560] [2022-12-14 05:18:27,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798152560] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:18:27,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:18:27,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:18:27,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77850369] [2022-12-14 05:18:27,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:18:27,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:18:27,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:18:27,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:18:27,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:18:27,459 INFO L87 Difference]: Start difference. First operand 5837 states and 8363 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 05:18:32,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:18:32,549 INFO L93 Difference]: Finished difference Result 5837 states and 8363 transitions. [2022-12-14 05:18:32,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:18:32,550 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 80 [2022-12-14 05:18:32,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:18:32,564 INFO L225 Difference]: With dead ends: 5837 [2022-12-14 05:18:32,564 INFO L226 Difference]: Without dead ends: 5835 [2022-12-14 05:18:32,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:18:32,567 INFO L413 NwaCegarLoop]: 2961 mSDtfsCounter, 3295 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3297 SdHoareTripleChecker+Valid, 5922 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:18:32,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3297 Valid, 5922 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2022-12-14 05:18:32,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5835 states. [2022-12-14 05:18:32,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5835 to 5835. [2022-12-14 05:18:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5835 states, 3471 states have (on average 1.323537885335638) internal successors, (4594), 3744 states have internal predecessors, (4594), 1874 states have call successors, (1874), 480 states have call predecessors, (1874), 475 states have return successors, (1892), 1770 states have call predecessors, (1892), 1872 states have call successors, (1892) [2022-12-14 05:18:32,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5835 states to 5835 states and 8360 transitions. [2022-12-14 05:18:32,922 INFO L78 Accepts]: Start accepts. Automaton has 5835 states and 8360 transitions. Word has length 80 [2022-12-14 05:18:32,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:18:32,923 INFO L495 AbstractCegarLoop]: Abstraction has 5835 states and 8360 transitions. [2022-12-14 05:18:32,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 05:18:32,923 INFO L276 IsEmpty]: Start isEmpty. Operand 5835 states and 8360 transitions. [2022-12-14 05:18:32,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 05:18:32,924 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:18:32,924 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:18:32,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 05:18:32,924 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:18:32,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:18:32,925 INFO L85 PathProgramCache]: Analyzing trace with hash -215846653, now seen corresponding path program 1 times [2022-12-14 05:18:32,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:18:32,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200748310] [2022-12-14 05:18:32,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:18:32,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:18:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:18:33,187 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:18:33,187 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:18:33,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200748310] [2022-12-14 05:18:33,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [200748310] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:18:33,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:18:33,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:18:33,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825024656] [2022-12-14 05:18:33,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:18:33,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:18:33,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:18:33,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:18:33,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:18:33,189 INFO L87 Difference]: Start difference. First operand 5835 states and 8360 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 05:18:37,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:18:37,755 INFO L93 Difference]: Finished difference Result 5835 states and 8360 transitions. [2022-12-14 05:18:37,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:18:37,756 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2022-12-14 05:18:37,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:18:37,773 INFO L225 Difference]: With dead ends: 5835 [2022-12-14 05:18:37,773 INFO L226 Difference]: Without dead ends: 5833 [2022-12-14 05:18:37,776 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:18:37,776 INFO L413 NwaCegarLoop]: 2959 mSDtfsCounter, 3292 mSDsluCounter, 2959 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3294 SdHoareTripleChecker+Valid, 5918 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:18:37,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3294 Valid, 5918 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-14 05:18:37,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5833 states. [2022-12-14 05:18:38,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5833 to 5833. [2022-12-14 05:18:38,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5833 states, 3470 states have (on average 1.3230547550432277) internal successors, (4591), 3742 states have internal predecessors, (4591), 1874 states have call successors, (1874), 480 states have call predecessors, (1874), 475 states have return successors, (1892), 1770 states have call predecessors, (1892), 1872 states have call successors, (1892) [2022-12-14 05:18:38,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5833 states to 5833 states and 8357 transitions. [2022-12-14 05:18:38,180 INFO L78 Accepts]: Start accepts. Automaton has 5833 states and 8357 transitions. Word has length 85 [2022-12-14 05:18:38,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:18:38,180 INFO L495 AbstractCegarLoop]: Abstraction has 5833 states and 8357 transitions. [2022-12-14 05:18:38,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 05:18:38,180 INFO L276 IsEmpty]: Start isEmpty. Operand 5833 states and 8357 transitions. [2022-12-14 05:18:38,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-12-14 05:18:38,182 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:18:38,182 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 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] [2022-12-14 05:18:38,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-14 05:18:38,182 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:18:38,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:18:38,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1498791421, now seen corresponding path program 1 times [2022-12-14 05:18:38,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:18:38,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219700487] [2022-12-14 05:18:38,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:18:38,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:18:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:18:38,501 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-14 05:18:38,501 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:18:38,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219700487] [2022-12-14 05:18:38,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219700487] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:18:38,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:18:38,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:18:38,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62754704] [2022-12-14 05:18:38,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:18:38,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:18:38,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:18:38,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:18:38,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:18:38,502 INFO L87 Difference]: Start difference. First operand 5833 states and 8357 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-14 05:18:49,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:18:49,893 INFO L93 Difference]: Finished difference Result 11613 states and 16636 transitions. [2022-12-14 05:18:49,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:18:49,894 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 102 [2022-12-14 05:18:49,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:18:49,908 INFO L225 Difference]: With dead ends: 11613 [2022-12-14 05:18:49,908 INFO L226 Difference]: Without dead ends: 5898 [2022-12-14 05:18:49,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:18:49,922 INFO L413 NwaCegarLoop]: 2957 mSDtfsCounter, 3360 mSDsluCounter, 1398 mSDsCounter, 0 mSdLazyCounter, 2299 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3383 SdHoareTripleChecker+Valid, 4355 SdHoareTripleChecker+Invalid, 2323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 2299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:18:49,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3383 Valid, 4355 Invalid, 2323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 2299 Invalid, 0 Unknown, 0 Unchecked, 10.7s Time] [2022-12-14 05:18:49,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5898 states. [2022-12-14 05:18:50,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5898 to 5834. [2022-12-14 05:18:50,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5834 states, 3471 states have (on average 1.3226735811005474) internal successors, (4591), 3743 states have internal predecessors, (4591), 1874 states have call successors, (1874), 480 states have call predecessors, (1874), 475 states have return successors, (1892), 1770 states have call predecessors, (1892), 1872 states have call successors, (1892) [2022-12-14 05:18:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5834 states to 5834 states and 8357 transitions. [2022-12-14 05:18:50,320 INFO L78 Accepts]: Start accepts. Automaton has 5834 states and 8357 transitions. Word has length 102 [2022-12-14 05:18:50,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:18:50,320 INFO L495 AbstractCegarLoop]: Abstraction has 5834 states and 8357 transitions. [2022-12-14 05:18:50,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-12-14 05:18:50,320 INFO L276 IsEmpty]: Start isEmpty. Operand 5834 states and 8357 transitions. [2022-12-14 05:18:50,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-12-14 05:18:50,322 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:18:50,322 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:18:50,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 05:18:50,322 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:18:50,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:18:50,322 INFO L85 PathProgramCache]: Analyzing trace with hash -545739606, now seen corresponding path program 1 times [2022-12-14 05:18:50,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:18:50,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067521504] [2022-12-14 05:18:50,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:18:50,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:18:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:18:50,577 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:18:50,577 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:18:50,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067521504] [2022-12-14 05:18:50,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067521504] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:18:50,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:18:50,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:18:50,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504574010] [2022-12-14 05:18:50,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:18:50,578 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:18:50,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:18:50,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:18:50,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:18:50,578 INFO L87 Difference]: Start difference. First operand 5834 states and 8357 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 05:18:55,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:18:55,163 INFO L93 Difference]: Finished difference Result 5834 states and 8357 transitions. [2022-12-14 05:18:55,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:18:55,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 91 [2022-12-14 05:18:55,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:18:55,191 INFO L225 Difference]: With dead ends: 5834 [2022-12-14 05:18:55,191 INFO L226 Difference]: Without dead ends: 5832 [2022-12-14 05:18:55,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:18:55,193 INFO L413 NwaCegarLoop]: 2956 mSDtfsCounter, 3287 mSDsluCounter, 2956 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3289 SdHoareTripleChecker+Valid, 5912 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:18:55,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3289 Valid, 5912 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-14 05:18:55,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5832 states. [2022-12-14 05:18:55,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5832 to 5832. [2022-12-14 05:18:55,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5832 states, 3470 states have (on average 1.3221902017291067) internal successors, (4588), 3741 states have internal predecessors, (4588), 1874 states have call successors, (1874), 480 states have call predecessors, (1874), 475 states have return successors, (1892), 1770 states have call predecessors, (1892), 1872 states have call successors, (1892) [2022-12-14 05:18:55,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5832 states to 5832 states and 8354 transitions. [2022-12-14 05:18:55,609 INFO L78 Accepts]: Start accepts. Automaton has 5832 states and 8354 transitions. Word has length 91 [2022-12-14 05:18:55,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:18:55,610 INFO L495 AbstractCegarLoop]: Abstraction has 5832 states and 8354 transitions. [2022-12-14 05:18:55,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 05:18:55,610 INFO L276 IsEmpty]: Start isEmpty. Operand 5832 states and 8354 transitions. [2022-12-14 05:18:55,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-12-14 05:18:55,611 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:18:55,611 INFO L195 NwaCegarLoop]: trace histogram [3, 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] [2022-12-14 05:18:55,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 05:18:55,612 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:18:55,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:18:55,612 INFO L85 PathProgramCache]: Analyzing trace with hash 253732545, now seen corresponding path program 1 times [2022-12-14 05:18:55,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:18:55,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216177556] [2022-12-14 05:18:55,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:18:55,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:18:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:18:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-12-14 05:18:55,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:18:55,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216177556] [2022-12-14 05:18:55,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216177556] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:18:55,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:18:55,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:18:55,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036500713] [2022-12-14 05:18:55,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:18:55,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:18:55,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:18:55,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:18:55,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:18:55,877 INFO L87 Difference]: Start difference. First operand 5832 states and 8354 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-14 05:19:04,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:19:04,243 INFO L93 Difference]: Finished difference Result 12302 states and 17814 transitions. [2022-12-14 05:19:04,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:19:04,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 100 [2022-12-14 05:19:04,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:19:04,262 INFO L225 Difference]: With dead ends: 12302 [2022-12-14 05:19:04,262 INFO L226 Difference]: Without dead ends: 6672 [2022-12-14 05:19:04,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:19:04,276 INFO L413 NwaCegarLoop]: 3595 mSDtfsCounter, 313 mSDsluCounter, 6511 mSDsCounter, 0 mSdLazyCounter, 1393 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 10106 SdHoareTripleChecker+Invalid, 1394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:19:04,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 10106 Invalid, 1394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1393 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-12-14 05:19:04,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6672 states. [2022-12-14 05:19:04,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6672 to 5891. [2022-12-14 05:19:04,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5891 states, 3508 states have (on average 1.3221208665906499) internal successors, (4638), 3782 states have internal predecessors, (4638), 1895 states have call successors, (1895), 480 states have call predecessors, (1895), 475 states have return successors, (1913), 1790 states have call predecessors, (1913), 1893 states have call successors, (1913) [2022-12-14 05:19:04,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5891 states to 5891 states and 8446 transitions. [2022-12-14 05:19:04,765 INFO L78 Accepts]: Start accepts. Automaton has 5891 states and 8446 transitions. Word has length 100 [2022-12-14 05:19:04,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:19:04,765 INFO L495 AbstractCegarLoop]: Abstraction has 5891 states and 8446 transitions. [2022-12-14 05:19:04,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 3 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-12-14 05:19:04,765 INFO L276 IsEmpty]: Start isEmpty. Operand 5891 states and 8446 transitions. [2022-12-14 05:19:04,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-12-14 05:19:04,766 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:19:04,766 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:19:04,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 05:19:04,767 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:19:04,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:19:04,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1161284354, now seen corresponding path program 1 times [2022-12-14 05:19:04,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:19:04,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951329180] [2022-12-14 05:19:04,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:19:04,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:19:04,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:19:04,919 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-14 05:19:04,919 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:19:04,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951329180] [2022-12-14 05:19:04,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951329180] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:19:04,919 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:19:04,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:19:04,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505005772] [2022-12-14 05:19:04,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:19:04,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:19:04,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:19:04,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:19:04,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:19:04,921 INFO L87 Difference]: Start difference. First operand 5891 states and 8446 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-14 05:19:10,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:19:10,749 INFO L93 Difference]: Finished difference Result 11736 states and 16829 transitions. [2022-12-14 05:19:10,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:19:10,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 94 [2022-12-14 05:19:10,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:19:10,767 INFO L225 Difference]: With dead ends: 11736 [2022-12-14 05:19:10,767 INFO L226 Difference]: Without dead ends: 5892 [2022-12-14 05:19:10,781 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 05:19:10,781 INFO L413 NwaCegarLoop]: 2957 mSDtfsCounter, 1 mSDsluCounter, 2949 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 5906 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:19:10,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 5906 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-12-14 05:19:10,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5892 states. [2022-12-14 05:19:11,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5892 to 5892. [2022-12-14 05:19:11,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5892 states, 3509 states have (on average 1.3220290681105729) internal successors, (4639), 3783 states have internal predecessors, (4639), 1895 states have call successors, (1895), 480 states have call predecessors, (1895), 475 states have return successors, (1913), 1790 states have call predecessors, (1913), 1893 states have call successors, (1913) [2022-12-14 05:19:11,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5892 states to 5892 states and 8447 transitions. [2022-12-14 05:19:11,239 INFO L78 Accepts]: Start accepts. Automaton has 5892 states and 8447 transitions. Word has length 94 [2022-12-14 05:19:11,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:19:11,239 INFO L495 AbstractCegarLoop]: Abstraction has 5892 states and 8447 transitions. [2022-12-14 05:19:11,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-14 05:19:11,239 INFO L276 IsEmpty]: Start isEmpty. Operand 5892 states and 8447 transitions. [2022-12-14 05:19:11,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-12-14 05:19:11,240 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:19:11,240 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:19:11,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 05:19:11,241 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:19:11,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:19:11,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1133986298, now seen corresponding path program 1 times [2022-12-14 05:19:11,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:19:11,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489597009] [2022-12-14 05:19:11,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:19:11,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:19:11,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:19:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:19:11,476 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:19:11,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489597009] [2022-12-14 05:19:11,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489597009] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:19:11,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:19:11,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:19:11,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908173142] [2022-12-14 05:19:11,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:19:11,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:19:11,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:19:11,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:19:11,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:19:11,477 INFO L87 Difference]: Start difference. First operand 5892 states and 8447 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 05:19:18,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:19:18,113 INFO L93 Difference]: Finished difference Result 9803 states and 13915 transitions. [2022-12-14 05:19:18,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:19:18,114 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 96 [2022-12-14 05:19:18,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:19:18,138 INFO L225 Difference]: With dead ends: 9803 [2022-12-14 05:19:18,138 INFO L226 Difference]: Without dead ends: 9801 [2022-12-14 05:19:18,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:19:18,141 INFO L413 NwaCegarLoop]: 3444 mSDtfsCounter, 3092 mSDsluCounter, 5413 mSDsCounter, 0 mSdLazyCounter, 984 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3094 SdHoareTripleChecker+Valid, 8857 SdHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 984 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:19:18,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3094 Valid, 8857 Invalid, 985 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 984 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-12-14 05:19:18,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9801 states. [2022-12-14 05:19:18,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9801 to 9624. [2022-12-14 05:19:18,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9624 states, 5733 states have (on average 1.3240886098028954) internal successors, (7591), 6188 states have internal predecessors, (7591), 3050 states have call successors, (3050), 837 states have call predecessors, (3050), 828 states have return successors, (3082), 2874 states have call predecessors, (3082), 3048 states have call successors, (3082) [2022-12-14 05:19:18,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9624 states to 9624 states and 13723 transitions. [2022-12-14 05:19:18,899 INFO L78 Accepts]: Start accepts. Automaton has 9624 states and 13723 transitions. Word has length 96 [2022-12-14 05:19:18,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:19:18,900 INFO L495 AbstractCegarLoop]: Abstraction has 9624 states and 13723 transitions. [2022-12-14 05:19:18,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-14 05:19:18,900 INFO L276 IsEmpty]: Start isEmpty. Operand 9624 states and 13723 transitions. [2022-12-14 05:19:18,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-14 05:19:18,901 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:19:18,901 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:19:18,901 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 05:19:18,901 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:19:18,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:19:18,902 INFO L85 PathProgramCache]: Analyzing trace with hash -882599927, now seen corresponding path program 1 times [2022-12-14 05:19:18,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:19:18,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718664182] [2022-12-14 05:19:18,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:19:18,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:19:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:19:19,141 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:19:19,141 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:19:19,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718664182] [2022-12-14 05:19:19,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718664182] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:19:19,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:19:19,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:19:19,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719219542] [2022-12-14 05:19:19,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:19:19,142 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:19:19,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:19:19,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:19:19,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:19:19,142 INFO L87 Difference]: Start difference. First operand 9624 states and 13723 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 05:19:25,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:19:25,038 INFO L93 Difference]: Finished difference Result 9624 states and 13723 transitions. [2022-12-14 05:19:25,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:19:25,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 101 [2022-12-14 05:19:25,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:19:25,073 INFO L225 Difference]: With dead ends: 9624 [2022-12-14 05:19:25,073 INFO L226 Difference]: Without dead ends: 9622 [2022-12-14 05:19:25,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:19:25,084 INFO L413 NwaCegarLoop]: 2954 mSDtfsCounter, 3283 mSDsluCounter, 2954 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3285 SdHoareTripleChecker+Valid, 5908 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:19:25,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3285 Valid, 5908 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-12-14 05:19:25,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9622 states. [2022-12-14 05:19:25,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9622 to 9622. [2022-12-14 05:19:25,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9622 states, 5732 states have (on average 1.3237962316817864) internal successors, (7588), 6186 states have internal predecessors, (7588), 3050 states have call successors, (3050), 837 states have call predecessors, (3050), 828 states have return successors, (3082), 2874 states have call predecessors, (3082), 3048 states have call successors, (3082) [2022-12-14 05:19:25,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9622 states to 9622 states and 13720 transitions. [2022-12-14 05:19:25,934 INFO L78 Accepts]: Start accepts. Automaton has 9622 states and 13720 transitions. Word has length 101 [2022-12-14 05:19:25,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:19:25,934 INFO L495 AbstractCegarLoop]: Abstraction has 9622 states and 13720 transitions. [2022-12-14 05:19:25,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-14 05:19:25,934 INFO L276 IsEmpty]: Start isEmpty. Operand 9622 states and 13720 transitions. [2022-12-14 05:19:25,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 05:19:25,935 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:19:25,936 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:19:25,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 05:19:25,936 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:19:25,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:19:25,936 INFO L85 PathProgramCache]: Analyzing trace with hash 892626511, now seen corresponding path program 1 times [2022-12-14 05:19:25,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:19:25,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316487117] [2022-12-14 05:19:25,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:19:25,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:19:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:19:26,196 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-14 05:19:26,196 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:19:26,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316487117] [2022-12-14 05:19:26,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316487117] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:19:26,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:19:26,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:19:26,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361458761] [2022-12-14 05:19:26,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:19:26,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:19:26,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:19:26,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:19:26,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:19:26,198 INFO L87 Difference]: Start difference. First operand 9622 states and 13720 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-14 05:19:36,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:19:36,558 INFO L93 Difference]: Finished difference Result 19219 states and 27414 transitions. [2022-12-14 05:19:36,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:19:36,558 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 103 [2022-12-14 05:19:36,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:19:36,584 INFO L225 Difference]: With dead ends: 19219 [2022-12-14 05:19:36,584 INFO L226 Difference]: Without dead ends: 9644 [2022-12-14 05:19:36,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:19:36,609 INFO L413 NwaCegarLoop]: 2967 mSDtfsCounter, 9 mSDsluCounter, 8882 mSDsCounter, 0 mSdLazyCounter, 1453 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 11849 SdHoareTripleChecker+Invalid, 1455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1453 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:19:36,609 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 11849 Invalid, 1455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1453 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-12-14 05:19:36,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9644 states. [2022-12-14 05:19:37,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9644 to 9626. [2022-12-14 05:19:37,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9626 states, 5735 states have (on average 1.3236268526591106) internal successors, (7591), 6189 states have internal predecessors, (7591), 3050 states have call successors, (3050), 837 states have call predecessors, (3050), 829 states have return successors, (3086), 2875 states have call predecessors, (3086), 3048 states have call successors, (3086) [2022-12-14 05:19:37,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9626 states to 9626 states and 13727 transitions. [2022-12-14 05:19:37,394 INFO L78 Accepts]: Start accepts. Automaton has 9626 states and 13727 transitions. Word has length 103 [2022-12-14 05:19:37,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:19:37,394 INFO L495 AbstractCegarLoop]: Abstraction has 9626 states and 13727 transitions. [2022-12-14 05:19:37,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-14 05:19:37,394 INFO L276 IsEmpty]: Start isEmpty. Operand 9626 states and 13727 transitions. [2022-12-14 05:19:37,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-12-14 05:19:37,396 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:19:37,396 INFO L195 NwaCegarLoop]: trace histogram [5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:19:37,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 05:19:37,396 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:19:37,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:19:37,396 INFO L85 PathProgramCache]: Analyzing trace with hash -672449119, now seen corresponding path program 1 times [2022-12-14 05:19:37,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:19:37,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146387265] [2022-12-14 05:19:37,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:19:37,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:19:37,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:19:37,733 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-12-14 05:19:37,733 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:19:37,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146387265] [2022-12-14 05:19:37,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146387265] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:19:37,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:19:37,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:19:37,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708130160] [2022-12-14 05:19:37,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:19:37,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:19:37,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:19:37,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:19:37,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:19:37,734 INFO L87 Difference]: Start difference. First operand 9626 states and 13727 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 05:19:50,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:19:50,944 INFO L93 Difference]: Finished difference Result 9768 states and 13863 transitions. [2022-12-14 05:19:50,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:19:50,945 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 104 [2022-12-14 05:19:50,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:19:50,978 INFO L225 Difference]: With dead ends: 9768 [2022-12-14 05:19:50,978 INFO L226 Difference]: Without dead ends: 9766 [2022-12-14 05:19:50,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 05:19:50,984 INFO L413 NwaCegarLoop]: 5490 mSDtfsCounter, 2936 mSDsluCounter, 13868 mSDsCounter, 0 mSdLazyCounter, 2301 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2941 SdHoareTripleChecker+Valid, 19358 SdHoareTripleChecker+Invalid, 2302 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2301 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:19:50,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2941 Valid, 19358 Invalid, 2302 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2301 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2022-12-14 05:19:50,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9766 states. [2022-12-14 05:19:51,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9766 to 9634. [2022-12-14 05:19:51,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9634 states, 5741 states have (on average 1.3232886256749694) internal successors, (7597), 6195 states have internal predecessors, (7597), 3050 states have call successors, (3050), 839 states have call predecessors, (3050), 831 states have return successors, (3086), 2875 states have call predecessors, (3086), 3048 states have call successors, (3086) [2022-12-14 05:19:51,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9634 states to 9634 states and 13733 transitions. [2022-12-14 05:19:51,843 INFO L78 Accepts]: Start accepts. Automaton has 9634 states and 13733 transitions. Word has length 104 [2022-12-14 05:19:51,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:19:51,843 INFO L495 AbstractCegarLoop]: Abstraction has 9634 states and 13733 transitions. [2022-12-14 05:19:51,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-14 05:19:51,843 INFO L276 IsEmpty]: Start isEmpty. Operand 9634 states and 13733 transitions. [2022-12-14 05:19:51,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-12-14 05:19:51,844 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:19:51,844 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:19:51,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 05:19:51,844 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:19:51,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:19:51,845 INFO L85 PathProgramCache]: Analyzing trace with hash -818262922, now seen corresponding path program 1 times [2022-12-14 05:19:51,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:19:51,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678665018] [2022-12-14 05:19:51,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:19:51,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:19:51,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:19:52,124 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:19:52,124 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:19:52,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678665018] [2022-12-14 05:19:52,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678665018] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:19:52,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:19:52,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:19:52,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778568503] [2022-12-14 05:19:52,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:19:52,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:19:52,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:19:52,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:19:52,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:19:52,126 INFO L87 Difference]: Start difference. First operand 9634 states and 13733 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 05:19:57,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:19:57,464 INFO L93 Difference]: Finished difference Result 9634 states and 13733 transitions. [2022-12-14 05:19:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:19:57,465 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 106 [2022-12-14 05:19:57,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:19:57,488 INFO L225 Difference]: With dead ends: 9634 [2022-12-14 05:19:57,488 INFO L226 Difference]: Without dead ends: 9632 [2022-12-14 05:19:57,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:19:57,492 INFO L413 NwaCegarLoop]: 2952 mSDtfsCounter, 3280 mSDsluCounter, 2952 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3282 SdHoareTripleChecker+Valid, 5904 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:19:57,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3282 Valid, 5904 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-14 05:19:57,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9632 states. [2022-12-14 05:19:58,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9632 to 9632. [2022-12-14 05:19:58,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9632 states, 5740 states have (on average 1.3229965156794425) internal successors, (7594), 6193 states have internal predecessors, (7594), 3050 states have call successors, (3050), 839 states have call predecessors, (3050), 831 states have return successors, (3086), 2875 states have call predecessors, (3086), 3048 states have call successors, (3086) [2022-12-14 05:19:58,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9632 states to 9632 states and 13730 transitions. [2022-12-14 05:19:58,379 INFO L78 Accepts]: Start accepts. Automaton has 9632 states and 13730 transitions. Word has length 106 [2022-12-14 05:19:58,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:19:58,380 INFO L495 AbstractCegarLoop]: Abstraction has 9632 states and 13730 transitions. [2022-12-14 05:19:58,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-14 05:19:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 9632 states and 13730 transitions. [2022-12-14 05:19:58,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-12-14 05:19:58,381 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:19:58,381 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:19:58,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 05:19:58,382 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:19:58,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:19:58,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1801610807, now seen corresponding path program 1 times [2022-12-14 05:19:58,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:19:58,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082768220] [2022-12-14 05:19:58,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:19:58,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:19:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:19:58,900 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:19:58,900 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:19:58,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082768220] [2022-12-14 05:19:58,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082768220] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:19:58,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:19:58,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:19:58,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577895570] [2022-12-14 05:19:58,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:19:58,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:19:58,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:19:58,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:19:58,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:19:58,902 INFO L87 Difference]: Start difference. First operand 9632 states and 13730 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 05:20:04,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:04,361 INFO L93 Difference]: Finished difference Result 9632 states and 13730 transitions. [2022-12-14 05:20:04,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:20:04,362 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 111 [2022-12-14 05:20:04,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:04,384 INFO L225 Difference]: With dead ends: 9632 [2022-12-14 05:20:04,384 INFO L226 Difference]: Without dead ends: 9630 [2022-12-14 05:20:04,387 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:20:04,387 INFO L413 NwaCegarLoop]: 2950 mSDtfsCounter, 3277 mSDsluCounter, 2950 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3279 SdHoareTripleChecker+Valid, 5900 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:04,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3279 Valid, 5900 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-12-14 05:20:04,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9630 states. [2022-12-14 05:20:05,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9630 to 9630. [2022-12-14 05:20:05,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9630 states, 5739 states have (on average 1.3227043038856943) internal successors, (7591), 6191 states have internal predecessors, (7591), 3050 states have call successors, (3050), 839 states have call predecessors, (3050), 831 states have return successors, (3086), 2875 states have call predecessors, (3086), 3048 states have call successors, (3086) [2022-12-14 05:20:05,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9630 states to 9630 states and 13727 transitions. [2022-12-14 05:20:05,301 INFO L78 Accepts]: Start accepts. Automaton has 9630 states and 13727 transitions. Word has length 111 [2022-12-14 05:20:05,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:05,301 INFO L495 AbstractCegarLoop]: Abstraction has 9630 states and 13727 transitions. [2022-12-14 05:20:05,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-14 05:20:05,301 INFO L276 IsEmpty]: Start isEmpty. Operand 9630 states and 13727 transitions. [2022-12-14 05:20:05,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-14 05:20:05,302 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:05,303 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:20:05,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 05:20:05,303 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:20:05,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:05,303 INFO L85 PathProgramCache]: Analyzing trace with hash -837092239, now seen corresponding path program 1 times [2022-12-14 05:20:05,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:05,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448856697] [2022-12-14 05:20:05,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:05,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:05,569 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:20:05,569 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:05,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448856697] [2022-12-14 05:20:05,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448856697] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:05,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:05,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:20:05,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039355337] [2022-12-14 05:20:05,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:05,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:20:05,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:05,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:20:05,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:20:05,572 INFO L87 Difference]: Start difference. First operand 9630 states and 13727 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 05:20:11,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:11,432 INFO L93 Difference]: Finished difference Result 9630 states and 13727 transitions. [2022-12-14 05:20:11,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:20:11,432 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 116 [2022-12-14 05:20:11,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:11,452 INFO L225 Difference]: With dead ends: 9630 [2022-12-14 05:20:11,452 INFO L226 Difference]: Without dead ends: 9628 [2022-12-14 05:20:11,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:20:11,454 INFO L413 NwaCegarLoop]: 2948 mSDtfsCounter, 3274 mSDsluCounter, 2948 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3276 SdHoareTripleChecker+Valid, 5896 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:11,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3276 Valid, 5896 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-12-14 05:20:11,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9628 states. [2022-12-14 05:20:12,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9628 to 9628. [2022-12-14 05:20:12,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9628 states, 5738 states have (on average 1.3224119902405018) internal successors, (7588), 6189 states have internal predecessors, (7588), 3050 states have call successors, (3050), 839 states have call predecessors, (3050), 831 states have return successors, (3086), 2875 states have call predecessors, (3086), 3048 states have call successors, (3086) [2022-12-14 05:20:12,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9628 states to 9628 states and 13724 transitions. [2022-12-14 05:20:12,409 INFO L78 Accepts]: Start accepts. Automaton has 9628 states and 13724 transitions. Word has length 116 [2022-12-14 05:20:12,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:12,409 INFO L495 AbstractCegarLoop]: Abstraction has 9628 states and 13724 transitions. [2022-12-14 05:20:12,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-14 05:20:12,409 INFO L276 IsEmpty]: Start isEmpty. Operand 9628 states and 13724 transitions. [2022-12-14 05:20:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-14 05:20:12,411 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:12,411 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:20:12,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 05:20:12,411 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:20:12,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:12,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1022389336, now seen corresponding path program 1 times [2022-12-14 05:20:12,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:12,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729348475] [2022-12-14 05:20:12,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:12,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:12,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:12,666 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:20:12,666 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:12,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729348475] [2022-12-14 05:20:12,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729348475] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:12,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:12,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:20:12,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853022642] [2022-12-14 05:20:12,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:12,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:20:12,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:12,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:20:12,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:20:12,668 INFO L87 Difference]: Start difference. First operand 9628 states and 13724 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 05:20:18,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:18,558 INFO L93 Difference]: Finished difference Result 9628 states and 13724 transitions. [2022-12-14 05:20:18,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:20:18,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 121 [2022-12-14 05:20:18,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:18,579 INFO L225 Difference]: With dead ends: 9628 [2022-12-14 05:20:18,580 INFO L226 Difference]: Without dead ends: 9626 [2022-12-14 05:20:18,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:20:18,583 INFO L413 NwaCegarLoop]: 2946 mSDtfsCounter, 3271 mSDsluCounter, 2946 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3273 SdHoareTripleChecker+Valid, 5892 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:18,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3273 Valid, 5892 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-12-14 05:20:18,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9626 states. [2022-12-14 05:20:19,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9626 to 9626. [2022-12-14 05:20:19,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9626 states, 5737 states have (on average 1.322119574690605) internal successors, (7585), 6187 states have internal predecessors, (7585), 3050 states have call successors, (3050), 839 states have call predecessors, (3050), 831 states have return successors, (3086), 2875 states have call predecessors, (3086), 3048 states have call successors, (3086) [2022-12-14 05:20:19,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9626 states to 9626 states and 13721 transitions. [2022-12-14 05:20:19,705 INFO L78 Accepts]: Start accepts. Automaton has 9626 states and 13721 transitions. Word has length 121 [2022-12-14 05:20:19,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:19,705 INFO L495 AbstractCegarLoop]: Abstraction has 9626 states and 13721 transitions. [2022-12-14 05:20:19,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 05:20:19,705 INFO L276 IsEmpty]: Start isEmpty. Operand 9626 states and 13721 transitions. [2022-12-14 05:20:19,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-12-14 05:20:19,706 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:19,707 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:20:19,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 05:20:19,707 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:20:19,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:19,707 INFO L85 PathProgramCache]: Analyzing trace with hash 966364076, now seen corresponding path program 1 times [2022-12-14 05:20:19,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:19,707 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32643535] [2022-12-14 05:20:19,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:19,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:19,965 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:20:19,965 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:19,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32643535] [2022-12-14 05:20:19,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32643535] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:19,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:19,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:20:19,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766275078] [2022-12-14 05:20:19,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:19,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:20:19,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:19,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:20:19,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:20:19,967 INFO L87 Difference]: Start difference. First operand 9626 states and 13721 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 05:20:25,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:25,579 INFO L93 Difference]: Finished difference Result 9626 states and 13721 transitions. [2022-12-14 05:20:25,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:20:25,580 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 126 [2022-12-14 05:20:25,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:25,602 INFO L225 Difference]: With dead ends: 9626 [2022-12-14 05:20:25,602 INFO L226 Difference]: Without dead ends: 9624 [2022-12-14 05:20:25,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:20:25,606 INFO L413 NwaCegarLoop]: 2944 mSDtfsCounter, 3268 mSDsluCounter, 2944 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 5888 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:25,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3270 Valid, 5888 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-12-14 05:20:25,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9624 states. [2022-12-14 05:20:26,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9624 to 9624. [2022-12-14 05:20:26,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9624 states, 5736 states have (on average 1.3218270571827058) internal successors, (7582), 6185 states have internal predecessors, (7582), 3050 states have call successors, (3050), 839 states have call predecessors, (3050), 831 states have return successors, (3086), 2875 states have call predecessors, (3086), 3048 states have call successors, (3086) [2022-12-14 05:20:26,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9624 states to 9624 states and 13718 transitions. [2022-12-14 05:20:26,644 INFO L78 Accepts]: Start accepts. Automaton has 9624 states and 13718 transitions. Word has length 126 [2022-12-14 05:20:26,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:26,644 INFO L495 AbstractCegarLoop]: Abstraction has 9624 states and 13718 transitions. [2022-12-14 05:20:26,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 05:20:26,644 INFO L276 IsEmpty]: Start isEmpty. Operand 9624 states and 13718 transitions. [2022-12-14 05:20:26,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-12-14 05:20:26,646 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:26,646 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 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] [2022-12-14 05:20:26,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 05:20:26,646 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:20:26,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:26,646 INFO L85 PathProgramCache]: Analyzing trace with hash 29585637, now seen corresponding path program 1 times [2022-12-14 05:20:26,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:26,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073421963] [2022-12-14 05:20:26,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:26,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:27,073 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-12-14 05:20:27,073 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:27,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073421963] [2022-12-14 05:20:27,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073421963] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:27,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:27,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:20:27,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457618149] [2022-12-14 05:20:27,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:27,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:20:27,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:27,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:20:27,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:20:27,075 INFO L87 Difference]: Start difference. First operand 9624 states and 13718 transitions. Second operand has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 05:20:36,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:36,675 INFO L93 Difference]: Finished difference Result 12778 states and 17999 transitions. [2022-12-14 05:20:36,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:20:36,675 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 141 [2022-12-14 05:20:36,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:36,703 INFO L225 Difference]: With dead ends: 12778 [2022-12-14 05:20:36,704 INFO L226 Difference]: Without dead ends: 12776 [2022-12-14 05:20:36,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 05:20:36,708 INFO L413 NwaCegarLoop]: 3461 mSDtfsCounter, 3161 mSDsluCounter, 8682 mSDsCounter, 0 mSdLazyCounter, 1331 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3166 SdHoareTripleChecker+Valid, 12143 SdHoareTripleChecker+Invalid, 1334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:36,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3166 Valid, 12143 Invalid, 1334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1331 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-12-14 05:20:36,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12776 states. [2022-12-14 05:20:38,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12776 to 12553. [2022-12-14 05:20:38,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12553 states, 7366 states have (on average 1.3038284007602499) internal successors, (9604), 7964 states have internal predecessors, (9604), 4036 states have call successors, (4036), 1170 states have call predecessors, (4036), 1144 states have return successors, (4130), 3782 states have call predecessors, (4130), 4034 states have call successors, (4130) [2022-12-14 05:20:38,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12553 states to 12553 states and 17770 transitions. [2022-12-14 05:20:38,136 INFO L78 Accepts]: Start accepts. Automaton has 12553 states and 17770 transitions. Word has length 141 [2022-12-14 05:20:38,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:38,136 INFO L495 AbstractCegarLoop]: Abstraction has 12553 states and 17770 transitions. [2022-12-14 05:20:38,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.0) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 05:20:38,136 INFO L276 IsEmpty]: Start isEmpty. Operand 12553 states and 17770 transitions. [2022-12-14 05:20:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 05:20:38,138 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:38,138 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:20:38,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 05:20:38,138 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:20:38,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:38,138 INFO L85 PathProgramCache]: Analyzing trace with hash 61957189, now seen corresponding path program 1 times [2022-12-14 05:20:38,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:38,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268651161] [2022-12-14 05:20:38,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:38,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:38,371 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:20:38,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:38,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268651161] [2022-12-14 05:20:38,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268651161] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:38,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:38,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:20:38,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767285799] [2022-12-14 05:20:38,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:38,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:20:38,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:38,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:20:38,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:20:38,372 INFO L87 Difference]: Start difference. First operand 12553 states and 17770 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 05:20:44,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:44,236 INFO L93 Difference]: Finished difference Result 12553 states and 17770 transitions. [2022-12-14 05:20:44,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:20:44,237 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 131 [2022-12-14 05:20:44,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:44,288 INFO L225 Difference]: With dead ends: 12553 [2022-12-14 05:20:44,288 INFO L226 Difference]: Without dead ends: 12551 [2022-12-14 05:20:44,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:20:44,291 INFO L413 NwaCegarLoop]: 2942 mSDtfsCounter, 3265 mSDsluCounter, 2942 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 5884 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:44,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3267 Valid, 5884 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-14 05:20:44,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12551 states. [2022-12-14 05:20:45,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12551 to 12551. [2022-12-14 05:20:45,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12551 states, 7365 states have (on average 1.3035980991174474) internal successors, (9601), 7962 states have internal predecessors, (9601), 4036 states have call successors, (4036), 1170 states have call predecessors, (4036), 1144 states have return successors, (4130), 3782 states have call predecessors, (4130), 4034 states have call successors, (4130) [2022-12-14 05:20:45,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12551 states to 12551 states and 17767 transitions. [2022-12-14 05:20:45,730 INFO L78 Accepts]: Start accepts. Automaton has 12551 states and 17767 transitions. Word has length 131 [2022-12-14 05:20:45,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:45,730 INFO L495 AbstractCegarLoop]: Abstraction has 12551 states and 17767 transitions. [2022-12-14 05:20:45,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-14 05:20:45,731 INFO L276 IsEmpty]: Start isEmpty. Operand 12551 states and 17767 transitions. [2022-12-14 05:20:45,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-12-14 05:20:45,732 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:45,732 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:20:45,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-14 05:20:45,733 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:20:45,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:45,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1436444232, now seen corresponding path program 1 times [2022-12-14 05:20:45,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:45,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460026258] [2022-12-14 05:20:45,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:45,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 05:20:45,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:45,993 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460026258] [2022-12-14 05:20:45,993 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460026258] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:45,993 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:45,994 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:20:45,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648714530] [2022-12-14 05:20:45,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:45,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:20:45,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:45,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:20:45,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:20:45,995 INFO L87 Difference]: Start difference. First operand 12551 states and 17767 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 05:20:52,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:20:52,591 INFO L93 Difference]: Finished difference Result 12551 states and 17767 transitions. [2022-12-14 05:20:52,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:20:52,592 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 136 [2022-12-14 05:20:52,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:20:52,619 INFO L225 Difference]: With dead ends: 12551 [2022-12-14 05:20:52,619 INFO L226 Difference]: Without dead ends: 12058 [2022-12-14 05:20:52,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:20:52,629 INFO L413 NwaCegarLoop]: 2941 mSDtfsCounter, 3262 mSDsluCounter, 2941 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3262 SdHoareTripleChecker+Valid, 5882 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:20:52,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3262 Valid, 5882 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 713 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-12-14 05:20:52,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12058 states. [2022-12-14 05:20:54,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12058 to 12058. [2022-12-14 05:20:54,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12058 states, 7085 states have (on average 1.3076923076923077) internal successors, (9265), 7664 states have internal predecessors, (9265), 3885 states have call successors, (3885), 1110 states have call predecessors, (3885), 1083 states have return successors, (3959), 3632 states have call predecessors, (3959), 3863 states have call successors, (3959) [2022-12-14 05:20:54,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12058 states to 12058 states and 17109 transitions. [2022-12-14 05:20:54,075 INFO L78 Accepts]: Start accepts. Automaton has 12058 states and 17109 transitions. Word has length 136 [2022-12-14 05:20:54,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:20:54,075 INFO L495 AbstractCegarLoop]: Abstraction has 12058 states and 17109 transitions. [2022-12-14 05:20:54,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-14 05:20:54,075 INFO L276 IsEmpty]: Start isEmpty. Operand 12058 states and 17109 transitions. [2022-12-14 05:20:54,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-14 05:20:54,077 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:20:54,077 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 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] [2022-12-14 05:20:54,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-14 05:20:54,077 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:20:54,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:20:54,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1795105803, now seen corresponding path program 1 times [2022-12-14 05:20:54,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:20:54,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [407492369] [2022-12-14 05:20:54,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:20:54,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:20:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:20:54,472 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-12-14 05:20:54,472 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:20:54,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [407492369] [2022-12-14 05:20:54,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [407492369] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:20:54,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:20:54,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:20:54,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754980105] [2022-12-14 05:20:54,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:20:54,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:20:54,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:20:54,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:20:54,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:20:54,474 INFO L87 Difference]: Start difference. First operand 12058 states and 17109 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 05:21:05,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:21:05,515 INFO L93 Difference]: Finished difference Result 19403 states and 27344 transitions. [2022-12-14 05:21:05,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:21:05,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 160 [2022-12-14 05:21:05,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:21:05,566 INFO L225 Difference]: With dead ends: 19403 [2022-12-14 05:21:05,566 INFO L226 Difference]: Without dead ends: 19401 [2022-12-14 05:21:05,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 05:21:05,572 INFO L413 NwaCegarLoop]: 3602 mSDtfsCounter, 2818 mSDsluCounter, 9776 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2823 SdHoareTripleChecker+Valid, 13378 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:21:05,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2823 Valid, 13378 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1426 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-12-14 05:21:05,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19401 states. [2022-12-14 05:21:07,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19401 to 19317. [2022-12-14 05:21:07,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19317 states, 11232 states have (on average 1.2939814814814814) internal successors, (14534), 12185 states have internal predecessors, (14534), 6262 states have call successors, (6262), 1875 states have call predecessors, (6262), 1818 states have return successors, (6461), 5812 states have call predecessors, (6461), 6219 states have call successors, (6461) [2022-12-14 05:21:07,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19317 states to 19317 states and 27257 transitions. [2022-12-14 05:21:07,943 INFO L78 Accepts]: Start accepts. Automaton has 19317 states and 27257 transitions. Word has length 160 [2022-12-14 05:21:07,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:21:07,943 INFO L495 AbstractCegarLoop]: Abstraction has 19317 states and 27257 transitions. [2022-12-14 05:21:07,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 05:21:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 19317 states and 27257 transitions. [2022-12-14 05:21:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-12-14 05:21:07,945 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:21:07,946 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:07,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-14 05:21:07,946 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:21:07,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:21:07,946 INFO L85 PathProgramCache]: Analyzing trace with hash 246766376, now seen corresponding path program 1 times [2022-12-14 05:21:07,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:21:07,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52542677] [2022-12-14 05:21:07,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:07,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:21:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:21:09,742 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 46 proven. 14 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-12-14 05:21:09,742 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:21:09,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52542677] [2022-12-14 05:21:09,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52542677] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:21:09,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1981399517] [2022-12-14 05:21:09,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:09,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:21:09,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:21:09,744 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:21:09,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 05:21:10,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:21:10,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 3861 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 05:21:10,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:21:10,775 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-12-14 05:21:10,776 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:21:10,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1981399517] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:21:10,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:21:10,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2022-12-14 05:21:10,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671173716] [2022-12-14 05:21:10,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:21:10,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:21:10,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:21:10,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:21:10,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-14 05:21:10,778 INFO L87 Difference]: Start difference. First operand 19317 states and 27257 transitions. Second operand has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 05:21:23,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:21:23,449 INFO L93 Difference]: Finished difference Result 37917 states and 53647 transitions. [2022-12-14 05:21:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:21:23,450 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 182 [2022-12-14 05:21:23,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:21:23,503 INFO L225 Difference]: With dead ends: 37917 [2022-12-14 05:21:23,503 INFO L226 Difference]: Without dead ends: 19125 [2022-12-14 05:21:23,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:21:23,561 INFO L413 NwaCegarLoop]: 2822 mSDtfsCounter, 11 mSDsluCounter, 8354 mSDsCounter, 0 mSdLazyCounter, 1665 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 11176 SdHoareTripleChecker+Invalid, 1667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:21:23,561 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 11176 Invalid, 1667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1665 Invalid, 0 Unknown, 0 Unchecked, 9.7s Time] [2022-12-14 05:21:23,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19125 states. [2022-12-14 05:21:25,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19125 to 19121. [2022-12-14 05:21:25,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19121 states, 11134 states have (on average 1.2947727680977188) internal successors, (14416), 12083 states have internal predecessors, (14416), 6166 states have call successors, (6166), 1861 states have call predecessors, (6166), 1816 states have return successors, (6397), 5736 states have call predecessors, (6397), 6123 states have call successors, (6397) [2022-12-14 05:21:25,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19121 states to 19121 states and 26979 transitions. [2022-12-14 05:21:25,937 INFO L78 Accepts]: Start accepts. Automaton has 19121 states and 26979 transitions. Word has length 182 [2022-12-14 05:21:25,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:21:25,938 INFO L495 AbstractCegarLoop]: Abstraction has 19121 states and 26979 transitions. [2022-12-14 05:21:25,938 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.5) internal successors, (54), 5 states have internal predecessors, (54), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 05:21:25,938 INFO L276 IsEmpty]: Start isEmpty. Operand 19121 states and 26979 transitions. [2022-12-14 05:21:25,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-12-14 05:21:25,940 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:21:25,940 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:25,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 05:21:26,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:21:26,141 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:21:26,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:21:26,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1335779834, now seen corresponding path program 1 times [2022-12-14 05:21:26,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:21:26,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835664646] [2022-12-14 05:21:26,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:26,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:21:26,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:21:26,793 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 26 proven. 4 refuted. 0 times theorem prover too weak. 507 trivial. 0 not checked. [2022-12-14 05:21:26,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:21:26,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835664646] [2022-12-14 05:21:26,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835664646] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:21:26,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364752875] [2022-12-14 05:21:26,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:26,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:21:26,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:21:26,795 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:21:26,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 05:21:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:21:27,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 3862 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 05:21:27,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:21:27,745 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-12-14 05:21:27,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:21:27,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364752875] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:21:27,745 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:21:27,745 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 7 [2022-12-14 05:21:27,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412947115] [2022-12-14 05:21:27,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:21:27,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:21:27,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:21:27,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:21:27,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:21:27,747 INFO L87 Difference]: Start difference. First operand 19121 states and 26979 transitions. Second operand has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 05:21:38,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:21:38,332 INFO L93 Difference]: Finished difference Result 37583 states and 53162 transitions. [2022-12-14 05:21:38,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:21:38,333 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 183 [2022-12-14 05:21:38,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:21:38,380 INFO L225 Difference]: With dead ends: 37583 [2022-12-14 05:21:38,380 INFO L226 Difference]: Without dead ends: 18989 [2022-12-14 05:21:38,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:21:38,433 INFO L413 NwaCegarLoop]: 2826 mSDtfsCounter, 16 mSDsluCounter, 8364 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 1668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:21:38,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 11190 Invalid, 1668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-12-14 05:21:38,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18989 states. [2022-12-14 05:21:40,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18989 to 18985. [2022-12-14 05:21:40,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18985 states, 11060 states have (on average 1.2942133815551538) internal successors, (14314), 12005 states have internal predecessors, (14314), 6098 states have call successors, (6098), 1855 states have call predecessors, (6098), 1822 states have return successors, (6361), 5688 states have call predecessors, (6361), 6055 states have call successors, (6361) [2022-12-14 05:21:41,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18985 states to 18985 states and 26773 transitions. [2022-12-14 05:21:41,016 INFO L78 Accepts]: Start accepts. Automaton has 18985 states and 26773 transitions. Word has length 183 [2022-12-14 05:21:41,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:21:41,016 INFO L495 AbstractCegarLoop]: Abstraction has 18985 states and 26773 transitions. [2022-12-14 05:21:41,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.75) internal successors, (55), 5 states have internal predecessors, (55), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 05:21:41,016 INFO L276 IsEmpty]: Start isEmpty. Operand 18985 states and 26773 transitions. [2022-12-14 05:21:41,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-12-14 05:21:41,018 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:21:41,018 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:41,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-14 05:21:41,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-12-14 05:21:41,219 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:21:41,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:21:41,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1738228625, now seen corresponding path program 1 times [2022-12-14 05:21:41,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:21:41,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448084904] [2022-12-14 05:21:41,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:41,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:21:41,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:21:42,585 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 46 proven. 14 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2022-12-14 05:21:42,585 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:21:42,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448084904] [2022-12-14 05:21:42,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448084904] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:21:42,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493573505] [2022-12-14 05:21:42,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:42,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:21:42,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:21:42,587 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:21:42,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 05:21:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:21:43,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 3863 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 05:21:43,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:21:43,501 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-12-14 05:21:43,502 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:21:43,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493573505] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:21:43,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:21:43,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2022-12-14 05:21:43,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613539885] [2022-12-14 05:21:43,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:21:43,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:21:43,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:21:43,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:21:43,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-14 05:21:43,503 INFO L87 Difference]: Start difference. First operand 18985 states and 26773 transitions. Second operand has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 05:21:55,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:21:55,535 INFO L93 Difference]: Finished difference Result 37354 states and 52813 transitions. [2022-12-14 05:21:55,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:21:55,536 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 184 [2022-12-14 05:21:55,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:21:55,587 INFO L225 Difference]: With dead ends: 37354 [2022-12-14 05:21:55,587 INFO L226 Difference]: Without dead ends: 18896 [2022-12-14 05:21:55,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:21:55,635 INFO L413 NwaCegarLoop]: 2826 mSDtfsCounter, 16 mSDsluCounter, 8364 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 1668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:21:55,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 11190 Invalid, 1668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-12-14 05:21:55,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18896 states. [2022-12-14 05:21:57,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18896 to 18892. [2022-12-14 05:21:57,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18892 states, 11013 states have (on average 1.2936529555979297) internal successors, (14247), 11954 states have internal predecessors, (14247), 6044 states have call successors, (6044), 1852 states have call predecessors, (6044), 1830 states have return successors, (6339), 5653 states have call predecessors, (6339), 6001 states have call successors, (6339) [2022-12-14 05:21:57,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18892 states to 18892 states and 26630 transitions. [2022-12-14 05:21:57,975 INFO L78 Accepts]: Start accepts. Automaton has 18892 states and 26630 transitions. Word has length 184 [2022-12-14 05:21:57,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:21:57,976 INFO L495 AbstractCegarLoop]: Abstraction has 18892 states and 26630 transitions. [2022-12-14 05:21:57,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 05:21:57,976 INFO L276 IsEmpty]: Start isEmpty. Operand 18892 states and 26630 transitions. [2022-12-14 05:21:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-12-14 05:21:57,978 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:21:57,978 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:21:57,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 05:21:58,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-12-14 05:21:58,179 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:21:58,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:21:58,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1480673259, now seen corresponding path program 1 times [2022-12-14 05:21:58,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:21:58,179 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616292973] [2022-12-14 05:21:58,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:21:58,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:21:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:21:58,619 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2022-12-14 05:21:58,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:21:58,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616292973] [2022-12-14 05:21:58,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616292973] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:21:58,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:21:58,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:21:58,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758402542] [2022-12-14 05:21:58,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:21:58,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:21:58,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:21:58,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:21:58,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:21:58,621 INFO L87 Difference]: Start difference. First operand 18892 states and 26630 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 05:22:12,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:22:12,234 INFO L93 Difference]: Finished difference Result 32712 states and 46049 transitions. [2022-12-14 05:22:12,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:22:12,235 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 185 [2022-12-14 05:22:12,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:22:12,320 INFO L225 Difference]: With dead ends: 32712 [2022-12-14 05:22:12,320 INFO L226 Difference]: Without dead ends: 32710 [2022-12-14 05:22:12,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 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 05:22:12,331 INFO L413 NwaCegarLoop]: 4103 mSDtfsCounter, 2847 mSDsluCounter, 10736 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2852 SdHoareTripleChecker+Valid, 14839 SdHoareTripleChecker+Invalid, 1662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1659 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:22:12,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2852 Valid, 14839 Invalid, 1662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1659 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-12-14 05:22:12,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32710 states. [2022-12-14 05:22:16,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32710 to 32620. [2022-12-14 05:22:16,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32620 states, 18868 states have (on average 1.2845028619885521) internal successors, (24236), 20539 states have internal predecessors, (24236), 10508 states have call successors, (10508), 3297 states have call predecessors, (10508), 3239 states have return successors, (11209), 9765 states have call predecessors, (11209), 10423 states have call successors, (11209) [2022-12-14 05:22:16,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32620 states to 32620 states and 45953 transitions. [2022-12-14 05:22:16,443 INFO L78 Accepts]: Start accepts. Automaton has 32620 states and 45953 transitions. Word has length 185 [2022-12-14 05:22:16,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:22:16,444 INFO L495 AbstractCegarLoop]: Abstraction has 32620 states and 45953 transitions. [2022-12-14 05:22:16,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-14 05:22:16,444 INFO L276 IsEmpty]: Start isEmpty. Operand 32620 states and 45953 transitions. [2022-12-14 05:22:16,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2022-12-14 05:22:16,446 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:22:16,446 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:22:16,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-12-14 05:22:16,446 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:22:16,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:22:16,446 INFO L85 PathProgramCache]: Analyzing trace with hash 310266679, now seen corresponding path program 1 times [2022-12-14 05:22:16,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:22:16,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804962859] [2022-12-14 05:22:16,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:22:16,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:22:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:22:17,108 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 32 proven. 24 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2022-12-14 05:22:17,109 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:22:17,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1804962859] [2022-12-14 05:22:17,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1804962859] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:22:17,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [646010353] [2022-12-14 05:22:17,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:22:17,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:22:17,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:22:17,110 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:22:17,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 05:22:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:22:17,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 3864 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 05:22:17,870 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:22:17,931 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-12-14 05:22:17,931 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:22:17,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [646010353] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:22:17,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:22:17,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2022-12-14 05:22:17,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077461566] [2022-12-14 05:22:17,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:22:17,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:22:17,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:22:17,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:22:17,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:22:17,934 INFO L87 Difference]: Start difference. First operand 32620 states and 45953 transitions. Second operand has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 05:22:31,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:22:31,013 INFO L93 Difference]: Finished difference Result 64399 states and 90938 transitions. [2022-12-14 05:22:31,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:22:31,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 185 [2022-12-14 05:22:31,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:22:31,107 INFO L225 Difference]: With dead ends: 64399 [2022-12-14 05:22:31,107 INFO L226 Difference]: Without dead ends: 32300 [2022-12-14 05:22:31,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:22:31,198 INFO L413 NwaCegarLoop]: 2826 mSDtfsCounter, 16 mSDsluCounter, 8364 mSDsCounter, 0 mSdLazyCounter, 1666 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 11190 SdHoareTripleChecker+Invalid, 1668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1666 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:22:31,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 11190 Invalid, 1668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1666 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-12-14 05:22:31,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32300 states. [2022-12-14 05:22:35,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32300 to 32292. [2022-12-14 05:22:35,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32292 states, 18693 states have (on average 1.284277537045953) internal successors, (24007), 20340 states have internal predecessors, (24007), 10362 states have call successors, (10362), 3282 states have call predecessors, (10362), 3232 states have return successors, (11063), 9659 states have call predecessors, (11063), 10277 states have call successors, (11063) [2022-12-14 05:22:35,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32292 states to 32292 states and 45432 transitions. [2022-12-14 05:22:35,281 INFO L78 Accepts]: Start accepts. Automaton has 32292 states and 45432 transitions. Word has length 185 [2022-12-14 05:22:35,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:22:35,282 INFO L495 AbstractCegarLoop]: Abstraction has 32292 states and 45432 transitions. [2022-12-14 05:22:35,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.25) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-14 05:22:35,282 INFO L276 IsEmpty]: Start isEmpty. Operand 32292 states and 45432 transitions. [2022-12-14 05:22:35,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-14 05:22:35,284 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:22:35,284 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 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] [2022-12-14 05:22:35,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 05:22:35,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-12-14 05:22:35,485 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:22:35,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:22:35,487 INFO L85 PathProgramCache]: Analyzing trace with hash 490843813, now seen corresponding path program 1 times [2022-12-14 05:22:35,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:22:35,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585521884] [2022-12-14 05:22:35,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:22:35,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:22:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:22:35,890 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-12-14 05:22:35,890 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:22:35,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585521884] [2022-12-14 05:22:35,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585521884] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:22:35,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:22:35,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:22:35,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692971506] [2022-12-14 05:22:35,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:22:35,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:22:35,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:22:35,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:22:35,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:22:35,892 INFO L87 Difference]: Start difference. First operand 32292 states and 45432 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 05:22:50,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:22:50,500 INFO L93 Difference]: Finished difference Result 32372 states and 45508 transitions. [2022-12-14 05:22:50,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:22:50,501 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 160 [2022-12-14 05:22:50,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:22:50,583 INFO L225 Difference]: With dead ends: 32372 [2022-12-14 05:22:50,583 INFO L226 Difference]: Without dead ends: 32262 [2022-12-14 05:22:50,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 05:22:50,594 INFO L413 NwaCegarLoop]: 4324 mSDtfsCounter, 1833 mSDsluCounter, 11365 mSDsCounter, 0 mSdLazyCounter, 1879 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1838 SdHoareTripleChecker+Valid, 15689 SdHoareTripleChecker+Invalid, 1880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:22:50,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1838 Valid, 15689 Invalid, 1880 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1879 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-12-14 05:22:50,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32262 states. [2022-12-14 05:22:54,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32262 to 32213. [2022-12-14 05:22:54,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32213 states, 18674 states have (on average 1.282960265609939) internal successors, (23958), 20300 states have internal predecessors, (23958), 10304 states have call successors, (10304), 3278 states have call predecessors, (10304), 3230 states have return successors, (11023), 9614 states have call predecessors, (11023), 10237 states have call successors, (11023) [2022-12-14 05:22:54,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32213 states to 32213 states and 45285 transitions. [2022-12-14 05:22:54,686 INFO L78 Accepts]: Start accepts. Automaton has 32213 states and 45285 transitions. Word has length 160 [2022-12-14 05:22:54,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:22:54,686 INFO L495 AbstractCegarLoop]: Abstraction has 32213 states and 45285 transitions. [2022-12-14 05:22:54,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 3 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 05:22:54,687 INFO L276 IsEmpty]: Start isEmpty. Operand 32213 states and 45285 transitions. [2022-12-14 05:22:54,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-12-14 05:22:54,688 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:22:54,689 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 7, 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] [2022-12-14 05:22:54,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-14 05:22:54,689 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:22:54,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:22:54,689 INFO L85 PathProgramCache]: Analyzing trace with hash -94586902, now seen corresponding path program 1 times [2022-12-14 05:22:54,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:22:54,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454444063] [2022-12-14 05:22:54,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:22:54,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:22:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:22:55,066 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-12-14 05:22:55,066 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:22:55,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454444063] [2022-12-14 05:22:55,067 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454444063] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:22:55,067 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:22:55,067 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:22:55,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424713489] [2022-12-14 05:22:55,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:22:55,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:22:55,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:22:55,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:22:55,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:22:55,069 INFO L87 Difference]: Start difference. First operand 32213 states and 45285 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 05:23:10,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:23:10,374 INFO L93 Difference]: Finished difference Result 32322 states and 45388 transitions. [2022-12-14 05:23:10,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:23:10,374 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 179 [2022-12-14 05:23:10,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:23:10,455 INFO L225 Difference]: With dead ends: 32322 [2022-12-14 05:23:10,455 INFO L226 Difference]: Without dead ends: 32320 [2022-12-14 05:23:10,465 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 05:23:10,465 INFO L413 NwaCegarLoop]: 4428 mSDtfsCounter, 2875 mSDsluCounter, 11333 mSDsCounter, 0 mSdLazyCounter, 1898 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2880 SdHoareTripleChecker+Valid, 15761 SdHoareTripleChecker+Invalid, 1899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:23:10,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2880 Valid, 15761 Invalid, 1899 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1898 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2022-12-14 05:23:10,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32320 states. [2022-12-14 05:23:14,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32320 to 32229. [2022-12-14 05:23:14,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32229 states, 18686 states have (on average 1.2824574547789789) internal successors, (23964), 20312 states have internal predecessors, (23964), 10304 states have call successors, (10304), 3282 states have call predecessors, (10304), 3234 states have return successors, (11023), 9614 states have call predecessors, (11023), 10237 states have call successors, (11023) [2022-12-14 05:23:14,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32229 states to 32229 states and 45291 transitions. [2022-12-14 05:23:14,638 INFO L78 Accepts]: Start accepts. Automaton has 32229 states and 45291 transitions. Word has length 179 [2022-12-14 05:23:14,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:23:14,639 INFO L495 AbstractCegarLoop]: Abstraction has 32229 states and 45291 transitions. [2022-12-14 05:23:14,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (33), 3 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-14 05:23:14,639 INFO L276 IsEmpty]: Start isEmpty. Operand 32229 states and 45291 transitions. [2022-12-14 05:23:14,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-12-14 05:23:14,641 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:23:14,642 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 7, 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] [2022-12-14 05:23:14,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-14 05:23:14,642 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:23:14,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:23:14,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1249165204, now seen corresponding path program 1 times [2022-12-14 05:23:14,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:23:14,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613093798] [2022-12-14 05:23:14,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:23:14,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:23:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:23:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2022-12-14 05:23:15,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:23:15,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613093798] [2022-12-14 05:23:15,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613093798] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:23:15,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:23:15,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:23:15,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850065755] [2022-12-14 05:23:15,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:23:15,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:23:15,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:23:15,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:23:15,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:23:15,061 INFO L87 Difference]: Start difference. First operand 32229 states and 45291 transitions. Second operand has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-14 05:23:29,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:23:29,164 INFO L93 Difference]: Finished difference Result 32330 states and 45386 transitions. [2022-12-14 05:23:29,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:23:29,165 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 196 [2022-12-14 05:23:29,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:23:29,245 INFO L225 Difference]: With dead ends: 32330 [2022-12-14 05:23:29,245 INFO L226 Difference]: Without dead ends: 32328 [2022-12-14 05:23:29,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 05:23:29,257 INFO L413 NwaCegarLoop]: 4408 mSDtfsCounter, 2825 mSDsluCounter, 11314 mSDsCounter, 0 mSdLazyCounter, 1886 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2830 SdHoareTripleChecker+Valid, 15722 SdHoareTripleChecker+Invalid, 1887 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1886 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:23:29,257 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2830 Valid, 15722 Invalid, 1887 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1886 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-12-14 05:23:29,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32328 states. [2022-12-14 05:23:33,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32328 to 32237. [2022-12-14 05:23:33,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32237 states, 18692 states have (on average 1.2819387973464584) internal successors, (23962), 20318 states have internal predecessors, (23962), 10304 states have call successors, (10304), 3284 states have call predecessors, (10304), 3236 states have return successors, (11023), 9614 states have call predecessors, (11023), 10237 states have call successors, (11023) [2022-12-14 05:23:33,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32237 states to 32237 states and 45289 transitions. [2022-12-14 05:23:33,461 INFO L78 Accepts]: Start accepts. Automaton has 32237 states and 45289 transitions. Word has length 196 [2022-12-14 05:23:33,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:23:33,461 INFO L495 AbstractCegarLoop]: Abstraction has 32237 states and 45289 transitions. [2022-12-14 05:23:33,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.2) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (38), 3 states have call predecessors, (38), 2 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-12-14 05:23:33,462 INFO L276 IsEmpty]: Start isEmpty. Operand 32237 states and 45289 transitions. [2022-12-14 05:23:33,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-12-14 05:23:33,465 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:23:33,465 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 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] [2022-12-14 05:23:33,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-12-14 05:23:33,465 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:23:33,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:23:33,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1242440913, now seen corresponding path program 1 times [2022-12-14 05:23:33,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:23:33,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644965846] [2022-12-14 05:23:33,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:23:33,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:23:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:23:35,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 80 proven. 28 refuted. 0 times theorem prover too weak. 1402 trivial. 0 not checked. [2022-12-14 05:23:35,284 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:23:35,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644965846] [2022-12-14 05:23:35,284 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644965846] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:23:35,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [106329921] [2022-12-14 05:23:35,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:23:35,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:23:35,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:23:35,286 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:23:35,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 05:23:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:23:36,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 4428 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 05:23:36,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:23:36,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2022-12-14 05:23:36,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:23:36,322 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [106329921] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:23:36,322 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:23:36,322 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2022-12-14 05:23:36,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764971968] [2022-12-14 05:23:36,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:23:36,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:23:36,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:23:36,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:23:36,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-14 05:23:36,323 INFO L87 Difference]: Start difference. First operand 32237 states and 45289 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-14 05:23:48,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:23:48,144 INFO L93 Difference]: Finished difference Result 52595 states and 73671 transitions. [2022-12-14 05:23:48,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:23:48,144 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 308 [2022-12-14 05:23:48,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:23:48,199 INFO L225 Difference]: With dead ends: 52595 [2022-12-14 05:23:48,199 INFO L226 Difference]: Without dead ends: 20884 [2022-12-14 05:23:48,280 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 310 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:23:48,281 INFO L413 NwaCegarLoop]: 2826 mSDtfsCounter, 22 mSDsluCounter, 8345 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 11171 SdHoareTripleChecker+Invalid, 1663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:23:48,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 11171 Invalid, 1663 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-12-14 05:23:48,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20884 states. [2022-12-14 05:23:50,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20884 to 20884. [2022-12-14 05:23:50,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20884 states, 12224 states have (on average 1.2855857329842932) internal successors, (15715), 13212 states have internal predecessors, (15715), 6480 states have call successors, (6480), 2192 states have call predecessors, (6480), 2175 states have return successors, (6781), 6074 states have call predecessors, (6781), 6433 states have call successors, (6781) [2022-12-14 05:23:50,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20884 states to 20884 states and 28976 transitions. [2022-12-14 05:23:50,976 INFO L78 Accepts]: Start accepts. Automaton has 20884 states and 28976 transitions. Word has length 308 [2022-12-14 05:23:50,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:23:50,976 INFO L495 AbstractCegarLoop]: Abstraction has 20884 states and 28976 transitions. [2022-12-14 05:23:50,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-14 05:23:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 20884 states and 28976 transitions. [2022-12-14 05:23:50,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2022-12-14 05:23:50,980 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:23:50,980 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 12, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 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] [2022-12-14 05:23:50,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 05:23:51,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-12-14 05:23:51,182 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:23:51,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:23:51,184 INFO L85 PathProgramCache]: Analyzing trace with hash 2094616370, now seen corresponding path program 1 times [2022-12-14 05:23:51,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:23:51,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017156712] [2022-12-14 05:23:51,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:23:51,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:23:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:23:52,968 INFO L134 CoverageAnalysis]: Checked inductivity of 1532 backedges. 80 proven. 28 refuted. 0 times theorem prover too weak. 1424 trivial. 0 not checked. [2022-12-14 05:23:52,969 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:23:52,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017156712] [2022-12-14 05:23:52,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017156712] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:23:52,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985568711] [2022-12-14 05:23:52,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:23:52,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:23:52,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:23:52,971 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:23:52,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 05:23:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:23:53,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 4473 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 05:23:53,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:23:54,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1532 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2022-12-14 05:23:54,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:23:54,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985568711] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:23:54,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:23:54,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2022-12-14 05:23:54,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059628344] [2022-12-14 05:23:54,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:23:54,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:23:54,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:23:54,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:23:54,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-14 05:23:54,015 INFO L87 Difference]: Start difference. First operand 20884 states and 28976 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (49), 2 states have call predecessors, (49), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-12-14 05:24:05,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:24:05,880 INFO L93 Difference]: Finished difference Result 37298 states and 51650 transitions. [2022-12-14 05:24:05,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:24:05,881 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (49), 2 states have call predecessors, (49), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) Word has length 314 [2022-12-14 05:24:05,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:24:05,926 INFO L225 Difference]: With dead ends: 37298 [2022-12-14 05:24:05,926 INFO L226 Difference]: Without dead ends: 16987 [2022-12-14 05:24:05,978 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:24:05,978 INFO L413 NwaCegarLoop]: 2826 mSDtfsCounter, 30 mSDsluCounter, 8331 mSDsCounter, 0 mSdLazyCounter, 1661 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 11157 SdHoareTripleChecker+Invalid, 1661 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:24:05,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 11157 Invalid, 1661 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1661 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2022-12-14 05:24:05,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16987 states. [2022-12-14 05:24:08,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16987 to 16979. [2022-12-14 05:24:08,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16979 states, 10057 states have (on average 1.2956149945311723) internal successors, (13030), 10818 states have internal predecessors, (13030), 5115 states have call successors, (5115), 1812 states have call predecessors, (5115), 1802 states have return successors, (5234), 4825 states have call predecessors, (5234), 5100 states have call successors, (5234) [2022-12-14 05:24:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16979 states to 16979 states and 23379 transitions. [2022-12-14 05:24:08,112 INFO L78 Accepts]: Start accepts. Automaton has 16979 states and 23379 transitions. Word has length 314 [2022-12-14 05:24:08,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:24:08,112 INFO L495 AbstractCegarLoop]: Abstraction has 16979 states and 23379 transitions. [2022-12-14 05:24:08,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (49), 2 states have call predecessors, (49), 3 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2022-12-14 05:24:08,112 INFO L276 IsEmpty]: Start isEmpty. Operand 16979 states and 23379 transitions. [2022-12-14 05:24:08,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-12-14 05:24:08,116 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:24:08,116 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 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] [2022-12-14 05:24:08,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 05:24:08,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:24:08,318 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:24:08,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:24:08,319 INFO L85 PathProgramCache]: Analyzing trace with hash 1650172471, now seen corresponding path program 1 times [2022-12-14 05:24:08,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:24:08,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878086051] [2022-12-14 05:24:08,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:24:08,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:24:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:24:09,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 80 proven. 28 refuted. 0 times theorem prover too weak. 1402 trivial. 0 not checked. [2022-12-14 05:24:09,855 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:24:09,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878086051] [2022-12-14 05:24:09,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878086051] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:24:09,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395773331] [2022-12-14 05:24:09,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:24:09,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:24:09,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:24:09,857 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:24:09,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 05:24:10,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:24:10,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 4427 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 05:24:10,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:24:10,794 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2022-12-14 05:24:10,794 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:24:10,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395773331] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:24:10,794 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:24:10,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2022-12-14 05:24:10,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540500399] [2022-12-14 05:24:10,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:24:10,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:24:10,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:24:10,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:24:10,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-14 05:24:10,796 INFO L87 Difference]: Start difference. First operand 16979 states and 23379 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-14 05:24:20,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:24:20,843 INFO L93 Difference]: Finished difference Result 29046 states and 39894 transitions. [2022-12-14 05:24:20,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:24:20,843 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 307 [2022-12-14 05:24:20,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:24:20,876 INFO L225 Difference]: With dead ends: 29046 [2022-12-14 05:24:20,876 INFO L226 Difference]: Without dead ends: 12649 [2022-12-14 05:24:20,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 316 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:24:20,918 INFO L413 NwaCegarLoop]: 2826 mSDtfsCounter, 30 mSDsluCounter, 8335 mSDsCounter, 0 mSdLazyCounter, 1662 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 11161 SdHoareTripleChecker+Invalid, 1662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:24:20,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 11161 Invalid, 1662 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1662 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2022-12-14 05:24:20,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12649 states. [2022-12-14 05:24:22,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12649 to 12645. [2022-12-14 05:24:22,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12645 states, 7508 states have (on average 1.2956846030900373) internal successors, (9728), 8056 states have internal predecessors, (9728), 3752 states have call successors, (3752), 1394 states have call predecessors, (3752), 1380 states have return successors, (3791), 3545 states have call predecessors, (3791), 3739 states have call successors, (3791) [2022-12-14 05:24:22,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12645 states to 12645 states and 17271 transitions. [2022-12-14 05:24:22,522 INFO L78 Accepts]: Start accepts. Automaton has 12645 states and 17271 transitions. Word has length 307 [2022-12-14 05:24:22,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:24:22,522 INFO L495 AbstractCegarLoop]: Abstraction has 12645 states and 17271 transitions. [2022-12-14 05:24:22,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 3 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-14 05:24:22,522 INFO L276 IsEmpty]: Start isEmpty. Operand 12645 states and 17271 transitions. [2022-12-14 05:24:22,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2022-12-14 05:24:22,525 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:24:22,526 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 3, 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] [2022-12-14 05:24:22,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 05:24:22,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:24:22,727 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:24:22,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:24:22,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1268446661, now seen corresponding path program 1 times [2022-12-14 05:24:22,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:24:22,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533295837] [2022-12-14 05:24:22,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:24:22,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:24:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:24:24,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 80 proven. 28 refuted. 0 times theorem prover too weak. 1402 trivial. 0 not checked. [2022-12-14 05:24:24,293 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:24:24,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533295837] [2022-12-14 05:24:24,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533295837] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:24:24,294 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [797682734] [2022-12-14 05:24:24,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:24:24,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:24:24,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:24:24,295 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:24:24,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-14 05:24:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:24:25,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 4429 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-14 05:24:25,115 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:24:25,190 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 1205 trivial. 0 not checked. [2022-12-14 05:24:25,190 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:24:25,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [797682734] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:24:25,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:24:25,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 10 [2022-12-14 05:24:25,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068987123] [2022-12-14 05:24:25,191 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:24:25,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:24:25,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:24:25,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:24:25,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-12-14 05:24:25,193 INFO L87 Difference]: Start difference. First operand 12645 states and 17271 transitions. Second operand has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-14 05:24:35,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:24:35,489 INFO L93 Difference]: Finished difference Result 22325 states and 30476 transitions. [2022-12-14 05:24:35,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:24:35,490 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 309 [2022-12-14 05:24:35,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:24:35,515 INFO L225 Difference]: With dead ends: 22325 [2022-12-14 05:24:35,515 INFO L226 Difference]: Without dead ends: 10263 [2022-12-14 05:24:35,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:24:35,546 INFO L413 NwaCegarLoop]: 2826 mSDtfsCounter, 28 mSDsluCounter, 8334 mSDsCounter, 0 mSdLazyCounter, 1664 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 11160 SdHoareTripleChecker+Invalid, 1664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:24:35,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 11160 Invalid, 1664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1664 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-12-14 05:24:35,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10263 states. [2022-12-14 05:24:36,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10263 to 10261. [2022-12-14 05:24:36,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10261 states, 6114 states have (on average 1.2991494929669611) internal successors, (7943), 6553 states have internal predecessors, (7943), 3015 states have call successors, (3015), 1140 states have call predecessors, (3015), 1127 states have return successors, (3025), 2852 states have call predecessors, (3025), 3003 states have call successors, (3025) [2022-12-14 05:24:36,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10261 states to 10261 states and 13983 transitions. [2022-12-14 05:24:36,820 INFO L78 Accepts]: Start accepts. Automaton has 10261 states and 13983 transitions. Word has length 309 [2022-12-14 05:24:36,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:24:36,820 INFO L495 AbstractCegarLoop]: Abstraction has 10261 states and 13983 transitions. [2022-12-14 05:24:36,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.5) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (47), 2 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-14 05:24:36,820 INFO L276 IsEmpty]: Start isEmpty. Operand 10261 states and 13983 transitions. [2022-12-14 05:24:36,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 418 [2022-12-14 05:24:36,825 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:24:36,826 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:36,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-12-14 05:24:37,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2022-12-14 05:24:37,028 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:24:37,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:24:37,029 INFO L85 PathProgramCache]: Analyzing trace with hash -72820859, now seen corresponding path program 1 times [2022-12-14 05:24:37,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:24:37,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687714358] [2022-12-14 05:24:37,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:24:37,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:24:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:24:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 3434 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3434 trivial. 0 not checked. [2022-12-14 05:24:37,679 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:24:37,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687714358] [2022-12-14 05:24:37,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687714358] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:24:37,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:24:37,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:24:37,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665949270] [2022-12-14 05:24:37,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:24:37,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:24:37,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:24:37,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:24:37,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:24:37,682 INFO L87 Difference]: Start difference. First operand 10261 states and 13983 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-14 05:24:46,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:24:46,285 INFO L93 Difference]: Finished difference Result 11411 states and 15440 transitions. [2022-12-14 05:24:46,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:24:46,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 417 [2022-12-14 05:24:46,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:24:46,308 INFO L225 Difference]: With dead ends: 11411 [2022-12-14 05:24:46,308 INFO L226 Difference]: Without dead ends: 11409 [2022-12-14 05:24:46,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 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 05:24:46,311 INFO L413 NwaCegarLoop]: 2960 mSDtfsCounter, 3023 mSDsluCounter, 6306 mSDsCounter, 0 mSdLazyCounter, 1123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3028 SdHoareTripleChecker+Valid, 9266 SdHoareTripleChecker+Invalid, 1125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:24:46,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3028 Valid, 9266 Invalid, 1125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1123 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-12-14 05:24:46,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11409 states. [2022-12-14 05:24:47,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11409 to 11405. [2022-12-14 05:24:47,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11405 states, 6778 states have (on average 1.292269105930953) internal successors, (8759), 7253 states have internal predecessors, (8759), 3332 states have call successors, (3332), 1303 states have call predecessors, (3332), 1290 states have return successors, (3342), 3161 states have call predecessors, (3342), 3320 states have call successors, (3342) [2022-12-14 05:24:47,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11405 states to 11405 states and 15433 transitions. [2022-12-14 05:24:47,721 INFO L78 Accepts]: Start accepts. Automaton has 11405 states and 15433 transitions. Word has length 417 [2022-12-14 05:24:47,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:24:47,722 INFO L495 AbstractCegarLoop]: Abstraction has 11405 states and 15433 transitions. [2022-12-14 05:24:47,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-12-14 05:24:47,722 INFO L276 IsEmpty]: Start isEmpty. Operand 11405 states and 15433 transitions. [2022-12-14 05:24:47,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2022-12-14 05:24:47,727 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:24:47,727 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:24:47,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-12-14 05:24:47,727 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:24:47,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:24:47,727 INFO L85 PathProgramCache]: Analyzing trace with hash 823900290, now seen corresponding path program 1 times [2022-12-14 05:24:47,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:24:47,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115995698] [2022-12-14 05:24:47,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:24:47,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:24:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:24:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 3434 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3434 trivial. 0 not checked. [2022-12-14 05:24:49,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:24:49,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115995698] [2022-12-14 05:24:49,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115995698] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:24:49,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:24:49,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 05:24:49,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808766209] [2022-12-14 05:24:49,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:24:49,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 05:24:49,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:24:49,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 05:24:49,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:24:49,115 INFO L87 Difference]: Start difference. First operand 11405 states and 15433 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 05:25:03,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:25:03,567 INFO L93 Difference]: Finished difference Result 11503 states and 15538 transitions. [2022-12-14 05:25:03,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 05:25:03,568 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 427 [2022-12-14 05:25:03,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:25:03,590 INFO L225 Difference]: With dead ends: 11503 [2022-12-14 05:25:03,591 INFO L226 Difference]: Without dead ends: 11499 [2022-12-14 05:25:03,593 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 05:25:03,594 INFO L413 NwaCegarLoop]: 2863 mSDtfsCounter, 17 mSDsluCounter, 14289 mSDsCounter, 0 mSdLazyCounter, 2144 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 17152 SdHoareTripleChecker+Invalid, 2153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:25:03,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 17152 Invalid, 2153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2144 Invalid, 0 Unknown, 0 Unchecked, 12.5s Time] [2022-12-14 05:25:03,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11499 states. [2022-12-14 05:25:05,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11499 to 11499. [2022-12-14 05:25:05,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11499 states, 6849 states have (on average 1.2890932982917214) internal successors, (8829), 7323 states have internal predecessors, (8829), 3343 states have call successors, (3343), 1315 states have call predecessors, (3343), 1302 states have return successors, (3354), 3173 states have call predecessors, (3354), 3332 states have call successors, (3354) [2022-12-14 05:25:05,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11499 states to 11499 states and 15526 transitions. [2022-12-14 05:25:05,060 INFO L78 Accepts]: Start accepts. Automaton has 11499 states and 15526 transitions. Word has length 427 [2022-12-14 05:25:05,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:25:05,060 INFO L495 AbstractCegarLoop]: Abstraction has 11499 states and 15526 transitions. [2022-12-14 05:25:05,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-12-14 05:25:05,060 INFO L276 IsEmpty]: Start isEmpty. Operand 11499 states and 15526 transitions. [2022-12-14 05:25:05,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2022-12-14 05:25:05,066 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:25:05,066 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 13, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:05,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-12-14 05:25:05,066 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:25:05,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:25:05,066 INFO L85 PathProgramCache]: Analyzing trace with hash -1966877537, now seen corresponding path program 1 times [2022-12-14 05:25:05,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:25:05,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487141692] [2022-12-14 05:25:05,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:25:05,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:25:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:25:05,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3545 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3545 trivial. 0 not checked. [2022-12-14 05:25:05,656 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:25:05,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487141692] [2022-12-14 05:25:05,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487141692] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:25:05,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:25:05,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:25:05,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940594396] [2022-12-14 05:25:05,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:25:05,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:25:05,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:25:05,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:25:05,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:25:05,657 INFO L87 Difference]: Start difference. First operand 11499 states and 15526 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), 2 states have return successors, (50), 2 states have call predecessors, (50), 1 states have call successors, (50) [2022-12-14 05:25:16,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:25:16,735 INFO L93 Difference]: Finished difference Result 11503 states and 15528 transitions. [2022-12-14 05:25:16,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:25:16,736 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), 2 states have return successors, (50), 2 states have call predecessors, (50), 1 states have call successors, (50) Word has length 436 [2022-12-14 05:25:16,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:25:16,758 INFO L225 Difference]: With dead ends: 11503 [2022-12-14 05:25:16,759 INFO L226 Difference]: Without dead ends: 11297 [2022-12-14 05:25:16,762 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:25:16,762 INFO L413 NwaCegarLoop]: 3159 mSDtfsCounter, 454 mSDsluCounter, 9088 mSDsCounter, 0 mSdLazyCounter, 1569 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 12247 SdHoareTripleChecker+Invalid, 1570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1569 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:25:16,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 12247 Invalid, 1570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1569 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2022-12-14 05:25:16,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11297 states. [2022-12-14 05:25:18,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11297 to 11295. [2022-12-14 05:25:18,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11295 states, 6743 states have (on average 1.2893370903158832) internal successors, (8694), 7203 states have internal predecessors, (8694), 3274 states have call successors, (3274), 1288 states have call predecessors, (3274), 1273 states have return successors, (3283), 3106 states have call predecessors, (3283), 3261 states have call successors, (3283) [2022-12-14 05:25:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11295 states to 11295 states and 15251 transitions. [2022-12-14 05:25:18,175 INFO L78 Accepts]: Start accepts. Automaton has 11295 states and 15251 transitions. Word has length 436 [2022-12-14 05:25:18,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:25:18,176 INFO L495 AbstractCegarLoop]: Abstraction has 11295 states and 15251 transitions. [2022-12-14 05:25:18,176 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), 2 states have return successors, (50), 2 states have call predecessors, (50), 1 states have call successors, (50) [2022-12-14 05:25:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 11295 states and 15251 transitions. [2022-12-14 05:25:18,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 465 [2022-12-14 05:25:18,182 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:25:18,182 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 12, 8, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:18,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-12-14 05:25:18,182 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting rcu_read_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:25:18,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:25:18,183 INFO L85 PathProgramCache]: Analyzing trace with hash -520801601, now seen corresponding path program 1 times [2022-12-14 05:25:18,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:25:18,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096214463] [2022-12-14 05:25:18,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:25:18,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:25:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:25:18,448 INFO L134 CoverageAnalysis]: Checked inductivity of 2810 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2810 trivial. 0 not checked. [2022-12-14 05:25:18,448 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:25:18,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096214463] [2022-12-14 05:25:18,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096214463] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:25:18,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:25:18,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:25:18,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266744021] [2022-12-14 05:25:18,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:25:18,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:25:18,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:25:18,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:25:18,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:25:18,450 INFO L87 Difference]: Start difference. First operand 11295 states and 15251 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-12-14 05:25:24,817 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 05:25:26,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:25:26,764 INFO L93 Difference]: Finished difference Result 21358 states and 28851 transitions. [2022-12-14 05:25:26,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:25:26,766 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) Word has length 464 [2022-12-14 05:25:26,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:25:26,798 INFO L225 Difference]: With dead ends: 21358 [2022-12-14 05:25:26,798 INFO L226 Difference]: Without dead ends: 11319 [2022-12-14 05:25:26,816 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 05:25:26,816 INFO L413 NwaCegarLoop]: 2871 mSDtfsCounter, 4 mSDsluCounter, 2847 mSDsCounter, 0 mSdLazyCounter, 713 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 5718 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 713 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:25:26,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 5718 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 713 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-12-14 05:25:26,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11319 states. [2022-12-14 05:25:28,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11319 to 11319. [2022-12-14 05:25:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11319 states, 6755 states have (on average 1.2888230940044412) internal successors, (8706), 7219 states have internal predecessors, (8706), 3282 states have call successors, (3282), 1288 states have call predecessors, (3282), 1277 states have return successors, (3299), 3114 states have call predecessors, (3299), 3269 states have call successors, (3299) [2022-12-14 05:25:28,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11319 states to 11319 states and 15287 transitions. [2022-12-14 05:25:28,254 INFO L78 Accepts]: Start accepts. Automaton has 11319 states and 15287 transitions. Word has length 464 [2022-12-14 05:25:28,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:25:28,254 INFO L495 AbstractCegarLoop]: Abstraction has 11319 states and 15287 transitions. [2022-12-14 05:25:28,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 2 states have call successors, (68), 2 states have call predecessors, (68), 1 states have return successors, (65), 2 states have call predecessors, (65), 2 states have call successors, (65) [2022-12-14 05:25:28,255 INFO L276 IsEmpty]: Start isEmpty. Operand 11319 states and 15287 transitions. [2022-12-14 05:25:28,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-12-14 05:25:28,261 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:25:28,261 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:25:28,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2022-12-14 05:25:28,261 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:25:28,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:25:28,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1091135547, now seen corresponding path program 1 times [2022-12-14 05:25:28,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:25:28,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128269436] [2022-12-14 05:25:28,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:25:28,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:25:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:25:28,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3577 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2022-12-14 05:25:28,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:25:28,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128269436] [2022-12-14 05:25:28,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128269436] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:25:28,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:25:28,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:25:28,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1572218075] [2022-12-14 05:25:28,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:25:28,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:25:28,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:25:28,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:25:28,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:25:28,662 INFO L87 Difference]: Start difference. First operand 11319 states and 15287 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-12-14 05:25:37,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:25:37,002 INFO L93 Difference]: Finished difference Result 21648 states and 29506 transitions. [2022-12-14 05:25:37,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:25:37,003 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 480 [2022-12-14 05:25:37,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:25:37,029 INFO L225 Difference]: With dead ends: 21648 [2022-12-14 05:25:37,029 INFO L226 Difference]: Without dead ends: 11585 [2022-12-14 05:25:37,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:25:37,053 INFO L413 NwaCegarLoop]: 2890 mSDtfsCounter, 29 mSDsluCounter, 5717 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 8607 SdHoareTripleChecker+Invalid, 1113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:25:37,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 8607 Invalid, 1113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-12-14 05:25:37,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11585 states. [2022-12-14 05:25:38,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11585 to 11515. [2022-12-14 05:25:38,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11515 states, 6900 states have (on average 1.2847826086956522) internal successors, (8865), 7363 states have internal predecessors, (8865), 3330 states have call successors, (3330), 1292 states have call predecessors, (3330), 1280 states have return successors, (3347), 3162 states have call predecessors, (3347), 3317 states have call successors, (3347) [2022-12-14 05:25:38,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11515 states to 11515 states and 15542 transitions. [2022-12-14 05:25:38,551 INFO L78 Accepts]: Start accepts. Automaton has 11515 states and 15542 transitions. Word has length 480 [2022-12-14 05:25:38,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:25:38,551 INFO L495 AbstractCegarLoop]: Abstraction has 11515 states and 15542 transitions. [2022-12-14 05:25:38,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (61), 3 states have call predecessors, (61), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-12-14 05:25:38,552 INFO L276 IsEmpty]: Start isEmpty. Operand 11515 states and 15542 transitions. [2022-12-14 05:25:38,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2022-12-14 05:25:38,558 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:25:38,558 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 13, 8, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:25:38,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-12-14 05:25:38,558 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting rcu_read_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:25:38,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:25:38,559 INFO L85 PathProgramCache]: Analyzing trace with hash 186126283, now seen corresponding path program 1 times [2022-12-14 05:25:38,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:25:38,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257941697] [2022-12-14 05:25:38,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:25:38,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:25:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:25:39,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3173 trivial. 0 not checked. [2022-12-14 05:25:39,788 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:25:39,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257941697] [2022-12-14 05:25:39,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257941697] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:25:39,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:25:39,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 05:25:39,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683476788] [2022-12-14 05:25:39,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:25:39,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 05:25:39,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:25:39,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 05:25:39,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:25:39,792 INFO L87 Difference]: Start difference. First operand 11515 states and 15542 transitions. Second operand has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 3 states have call successors, (75), 4 states have call predecessors, (75), 2 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2022-12-14 05:25:56,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:25:59,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-14 05:26:01,444 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 05:26:27,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:26:27,446 INFO L93 Difference]: Finished difference Result 11815 states and 15984 transitions. [2022-12-14 05:26:27,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 05:26:27,447 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 3 states have call successors, (75), 4 states have call predecessors, (75), 2 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) Word has length 514 [2022-12-14 05:26:27,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:26:27,476 INFO L225 Difference]: With dead ends: 11815 [2022-12-14 05:26:27,476 INFO L226 Difference]: Without dead ends: 11813 [2022-12-14 05:26:27,479 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-12-14 05:26:27,480 INFO L413 NwaCegarLoop]: 2914 mSDtfsCounter, 4243 mSDsluCounter, 5328 mSDsCounter, 0 mSdLazyCounter, 10022 mSolverCounterSat, 171 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 41.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4615 SdHoareTripleChecker+Valid, 8242 SdHoareTripleChecker+Invalid, 10196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 10022 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:26:27,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4615 Valid, 8242 Invalid, 10196 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [171 Valid, 10022 Invalid, 3 Unknown, 0 Unchecked, 44.6s Time] [2022-12-14 05:26:27,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11813 states. [2022-12-14 05:26:29,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11813 to 11799. [2022-12-14 05:26:29,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11799 states, 7080 states have (on average 1.2877118644067798) internal successors, (9117), 7571 states have internal predecessors, (9117), 3412 states have call successors, (3412), 1316 states have call predecessors, (3412), 1302 states have return successors, (3439), 3222 states have call predecessors, (3439), 3399 states have call successors, (3439) [2022-12-14 05:26:29,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11799 states to 11799 states and 15968 transitions. [2022-12-14 05:26:29,065 INFO L78 Accepts]: Start accepts. Automaton has 11799 states and 15968 transitions. Word has length 514 [2022-12-14 05:26:29,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:26:29,066 INFO L495 AbstractCegarLoop]: Abstraction has 11799 states and 15968 transitions. [2022-12-14 05:26:29,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.333333333333332) internal successors, (128), 6 states have internal predecessors, (128), 3 states have call successors, (75), 4 states have call predecessors, (75), 2 states have return successors, (72), 3 states have call predecessors, (72), 3 states have call successors, (72) [2022-12-14 05:26:29,066 INFO L276 IsEmpty]: Start isEmpty. Operand 11799 states and 15968 transitions. [2022-12-14 05:26:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-12-14 05:26:29,075 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:26:29,075 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:26:29,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-12-14 05:26:29,076 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:26:29,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:26:29,076 INFO L85 PathProgramCache]: Analyzing trace with hash 74746624, now seen corresponding path program 1 times [2022-12-14 05:26:29,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:26:29,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933256172] [2022-12-14 05:26:29,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:26:29,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:26:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:26:29,508 INFO L134 CoverageAnalysis]: Checked inductivity of 3577 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2022-12-14 05:26:29,508 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:26:29,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933256172] [2022-12-14 05:26:29,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933256172] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:26:29,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:26:29,509 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:26:29,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248947471] [2022-12-14 05:26:29,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:26:29,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:26:29,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:26:29,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:26:29,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:26:29,511 INFO L87 Difference]: Start difference. First operand 11799 states and 15968 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-12-14 05:26:39,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:26:39,123 INFO L93 Difference]: Finished difference Result 22684 states and 30854 transitions. [2022-12-14 05:26:39,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:26:39,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 487 [2022-12-14 05:26:39,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:26:39,152 INFO L225 Difference]: With dead ends: 22684 [2022-12-14 05:26:39,152 INFO L226 Difference]: Without dead ends: 12141 [2022-12-14 05:26:39,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:26:39,176 INFO L413 NwaCegarLoop]: 2893 mSDtfsCounter, 35 mSDsluCounter, 5726 mSDsCounter, 0 mSdLazyCounter, 1100 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 8619 SdHoareTripleChecker+Invalid, 1118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:26:39,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 8619 Invalid, 1118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1100 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-12-14 05:26:39,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12141 states. [2022-12-14 05:26:41,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12141 to 12069. [2022-12-14 05:26:41,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12069 states, 7292 states have (on average 1.28085573230938) internal successors, (9340), 7782 states have internal predecessors, (9340), 3459 states have call successors, (3459), 1328 states have call predecessors, (3459), 1313 states have return successors, (3486), 3269 states have call predecessors, (3486), 3446 states have call successors, (3486) [2022-12-14 05:26:41,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12069 states to 12069 states and 16285 transitions. [2022-12-14 05:26:41,076 INFO L78 Accepts]: Start accepts. Automaton has 12069 states and 16285 transitions. Word has length 487 [2022-12-14 05:26:41,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:26:41,076 INFO L495 AbstractCegarLoop]: Abstraction has 12069 states and 16285 transitions. [2022-12-14 05:26:41,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-12-14 05:26:41,077 INFO L276 IsEmpty]: Start isEmpty. Operand 12069 states and 16285 transitions. [2022-12-14 05:26:41,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2022-12-14 05:26:41,082 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:26:41,082 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:26:41,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-12-14 05:26:41,083 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:26:41,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:26:41,083 INFO L85 PathProgramCache]: Analyzing trace with hash -1683182559, now seen corresponding path program 1 times [2022-12-14 05:26:41,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:26:41,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802570300] [2022-12-14 05:26:41,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:26:41,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:26:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:26:41,518 INFO L134 CoverageAnalysis]: Checked inductivity of 3577 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2022-12-14 05:26:41,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:26:41,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802570300] [2022-12-14 05:26:41,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802570300] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:26:41,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:26:41,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:26:41,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237997092] [2022-12-14 05:26:41,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:26:41,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:26:41,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:26:41,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:26:41,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:26:41,520 INFO L87 Difference]: Start difference. First operand 12069 states and 16285 transitions. Second operand has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-12-14 05:26:50,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:26:50,847 INFO L93 Difference]: Finished difference Result 22878 states and 30975 transitions. [2022-12-14 05:26:50,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:26:50,848 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) Word has length 487 [2022-12-14 05:26:50,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:26:50,875 INFO L225 Difference]: With dead ends: 22878 [2022-12-14 05:26:50,875 INFO L226 Difference]: Without dead ends: 12065 [2022-12-14 05:26:50,898 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:26:50,899 INFO L413 NwaCegarLoop]: 2895 mSDtfsCounter, 37 mSDsluCounter, 5728 mSDsCounter, 0 mSdLazyCounter, 1099 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 8623 SdHoareTripleChecker+Invalid, 1117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1099 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:26:50,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 8623 Invalid, 1117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1099 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-12-14 05:26:50,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12065 states. [2022-12-14 05:26:52,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12065 to 12014. [2022-12-14 05:26:52,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12014 states, 7273 states have (on average 1.2703148631926302) internal successors, (9239), 7763 states have internal predecessors, (9239), 3423 states have call successors, (3423), 1328 states have call predecessors, (3423), 1313 states have return successors, (3450), 3233 states have call predecessors, (3450), 3410 states have call successors, (3450) [2022-12-14 05:26:52,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12014 states to 12014 states and 16112 transitions. [2022-12-14 05:26:52,488 INFO L78 Accepts]: Start accepts. Automaton has 12014 states and 16112 transitions. Word has length 487 [2022-12-14 05:26:52,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:26:52,489 INFO L495 AbstractCegarLoop]: Abstraction has 12014 states and 16112 transitions. [2022-12-14 05:26:52,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.0) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (58), 2 states have call predecessors, (58), 2 states have call successors, (58) [2022-12-14 05:26:52,489 INFO L276 IsEmpty]: Start isEmpty. Operand 12014 states and 16112 transitions. [2022-12-14 05:26:52,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2022-12-14 05:26:52,495 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:26:52,495 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:26:52,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-12-14 05:26:52,495 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:26:52,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:26:52,495 INFO L85 PathProgramCache]: Analyzing trace with hash 2045977311, now seen corresponding path program 1 times [2022-12-14 05:26:52,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:26:52,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694379853] [2022-12-14 05:26:52,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:26:52,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:26:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:26:53,725 INFO L134 CoverageAnalysis]: Checked inductivity of 3577 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3573 trivial. 0 not checked. [2022-12-14 05:26:53,726 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:26:53,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694379853] [2022-12-14 05:26:53,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694379853] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:26:53,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:26:53,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-14 05:26:53,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361812835] [2022-12-14 05:26:53,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:26:53,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-14 05:26:53,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:26:53,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-14 05:26:53,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:26:53,727 INFO L87 Difference]: Start difference. First operand 12014 states and 16112 transitions. Second operand has 7 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (58), 4 states have call predecessors, (58), 2 states have call successors, (58) [2022-12-14 05:27:11,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:27:11,394 INFO L93 Difference]: Finished difference Result 22990 states and 31151 transitions. [2022-12-14 05:27:11,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:27:11,395 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (58), 4 states have call predecessors, (58), 2 states have call successors, (58) Word has length 482 [2022-12-14 05:27:11,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:27:11,426 INFO L225 Difference]: With dead ends: 22990 [2022-12-14 05:27:11,426 INFO L226 Difference]: Without dead ends: 12222 [2022-12-14 05:27:11,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:27:11,453 INFO L413 NwaCegarLoop]: 2866 mSDtfsCounter, 2 mSDsluCounter, 14301 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 17167 SdHoareTripleChecker+Invalid, 2128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:27:11,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 17167 Invalid, 2128 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2128 Invalid, 0 Unknown, 0 Unchecked, 15.6s Time] [2022-12-14 05:27:11,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12222 states. [2022-12-14 05:27:13,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12222 to 12124. [2022-12-14 05:27:13,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12124 states, 7361 states have (on average 1.2669474256215187) internal successors, (9326), 7829 states have internal predecessors, (9326), 3423 states have call successors, (3423), 1328 states have call predecessors, (3423), 1335 states have return successors, (3599), 3277 states have call predecessors, (3599), 3410 states have call successors, (3599) [2022-12-14 05:27:13,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12124 states to 12124 states and 16348 transitions. [2022-12-14 05:27:13,069 INFO L78 Accepts]: Start accepts. Automaton has 12124 states and 16348 transitions. Word has length 482 [2022-12-14 05:27:13,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:27:13,069 INFO L495 AbstractCegarLoop]: Abstraction has 12124 states and 16348 transitions. [2022-12-14 05:27:13,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.0) internal successors, (108), 5 states have internal predecessors, (108), 2 states have call successors, (61), 2 states have call predecessors, (61), 3 states have return successors, (58), 4 states have call predecessors, (58), 2 states have call successors, (58) [2022-12-14 05:27:13,070 INFO L276 IsEmpty]: Start isEmpty. Operand 12124 states and 16348 transitions. [2022-12-14 05:27:13,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-12-14 05:27:13,076 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:27:13,076 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 18, 17, 17, 17, 17, 17, 17, 17, 17, 17, 14, 8, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:27:13,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2022-12-14 05:27:13,076 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:27:13,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:27:13,077 INFO L85 PathProgramCache]: Analyzing trace with hash 219673289, now seen corresponding path program 1 times [2022-12-14 05:27:13,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:27:13,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1252569556] [2022-12-14 05:27:13,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:27:13,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:27:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:27:14,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3842 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3838 trivial. 0 not checked. [2022-12-14 05:27:14,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:27:14,623 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1252569556] [2022-12-14 05:27:14,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1252569556] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:27:14,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:27:14,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 05:27:14,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539151553] [2022-12-14 05:27:14,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:27:14,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 05:27:14,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:27:14,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 05:27:14,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:27:14,626 INFO L87 Difference]: Start difference. First operand 12124 states and 16348 transitions. Second operand has 6 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 05:27:28,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:27:28,908 INFO L93 Difference]: Finished difference Result 12212 states and 16487 transitions. [2022-12-14 05:27:28,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 05:27:28,909 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) Word has length 495 [2022-12-14 05:27:28,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:27:28,935 INFO L225 Difference]: With dead ends: 12212 [2022-12-14 05:27:28,935 INFO L226 Difference]: Without dead ends: 12071 [2022-12-14 05:27:28,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:27:28,939 INFO L413 NwaCegarLoop]: 2870 mSDtfsCounter, 26 mSDsluCounter, 11445 mSDsCounter, 0 mSdLazyCounter, 1760 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 14315 SdHoareTripleChecker+Invalid, 1762 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1760 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:27:28,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 14315 Invalid, 1762 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1760 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2022-12-14 05:27:28,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12071 states. [2022-12-14 05:27:30,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12071 to 12049. [2022-12-14 05:27:30,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12049 states, 7318 states have (on average 1.2672861437551244) internal successors, (9274), 7784 states have internal predecessors, (9274), 3397 states have call successors, (3397), 1316 states have call predecessors, (3397), 1329 states have return successors, (3581), 3259 states have call predecessors, (3581), 3392 states have call successors, (3581) [2022-12-14 05:27:30,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12049 states to 12049 states and 16252 transitions. [2022-12-14 05:27:30,533 INFO L78 Accepts]: Start accepts. Automaton has 12049 states and 16252 transitions. Word has length 495 [2022-12-14 05:27:30,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:27:30,534 INFO L495 AbstractCegarLoop]: Abstraction has 12049 states and 16252 transitions. [2022-12-14 05:27:30,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 3 states have call successors, (64), 2 states have call predecessors, (64), 1 states have return successors, (61), 2 states have call predecessors, (61), 2 states have call successors, (61) [2022-12-14 05:27:30,534 INFO L276 IsEmpty]: Start isEmpty. Operand 12049 states and 16252 transitions. [2022-12-14 05:27:30,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2022-12-14 05:27:30,540 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:27:30,540 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 12, 8, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:27:30,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-12-14 05:27:30,541 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:27:30,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:27:30,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1344766358, now seen corresponding path program 1 times [2022-12-14 05:27:30,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:27:30,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475353498] [2022-12-14 05:27:30,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:27:30,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:27:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:27:30,794 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2810 trivial. 0 not checked. [2022-12-14 05:27:30,794 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:27:30,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475353498] [2022-12-14 05:27:30,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475353498] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:27:30,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:27:30,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:27:30,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897683555] [2022-12-14 05:27:30,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:27:30,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:27:30,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:27:30,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:27:30,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:27:30,796 INFO L87 Difference]: Start difference. First operand 12049 states and 16252 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2022-12-14 05:27:37,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:27:37,876 INFO L93 Difference]: Finished difference Result 20055 states and 26983 transitions. [2022-12-14 05:27:37,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:27:37,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) Word has length 483 [2022-12-14 05:27:37,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:27:37,899 INFO L225 Difference]: With dead ends: 20055 [2022-12-14 05:27:37,899 INFO L226 Difference]: Without dead ends: 9262 [2022-12-14 05:27:37,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:27:37,921 INFO L413 NwaCegarLoop]: 2863 mSDtfsCounter, 28 mSDsluCounter, 2833 mSDsCounter, 0 mSdLazyCounter, 714 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 5696 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 714 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:27:37,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 5696 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 714 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2022-12-14 05:27:37,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9262 states. [2022-12-14 05:27:39,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9262 to 9211. [2022-12-14 05:27:39,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9211 states, 5570 states have (on average 1.2585278276481149) internal successors, (7010), 5909 states have internal predecessors, (7010), 2601 states have call successors, (2601), 1023 states have call predecessors, (2601), 1035 states have return successors, (2730), 2514 states have call predecessors, (2730), 2600 states have call successors, (2730) [2022-12-14 05:27:39,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9211 states to 9211 states and 12341 transitions. [2022-12-14 05:27:39,171 INFO L78 Accepts]: Start accepts. Automaton has 9211 states and 12341 transitions. Word has length 483 [2022-12-14 05:27:39,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:27:39,171 INFO L495 AbstractCegarLoop]: Abstraction has 9211 states and 12341 transitions. [2022-12-14 05:27:39,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (70), 2 states have call predecessors, (70), 1 states have return successors, (66), 2 states have call predecessors, (66), 2 states have call successors, (66) [2022-12-14 05:27:39,171 INFO L276 IsEmpty]: Start isEmpty. Operand 9211 states and 12341 transitions. [2022-12-14 05:27:39,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2022-12-14 05:27:39,179 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:27:39,179 INFO L195 NwaCegarLoop]: trace histogram [39, 39, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 15, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:27:39,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-12-14 05:27:39,180 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:27:39,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:27:39,180 INFO L85 PathProgramCache]: Analyzing trace with hash -149167884, now seen corresponding path program 1 times [2022-12-14 05:27:39,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:27:39,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839691299] [2022-12-14 05:27:39,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:27:39,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:27:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:27:40,371 INFO L134 CoverageAnalysis]: Checked inductivity of 3725 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3721 trivial. 0 not checked. [2022-12-14 05:27:40,371 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:27:40,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839691299] [2022-12-14 05:27:40,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839691299] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:27:40,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [427290183] [2022-12-14 05:27:40,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:27:40,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:27:40,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:27:40,373 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:27:40,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-14 05:27:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:27:41,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 5561 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-14 05:27:41,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:27:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3725 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 3369 trivial. 0 not checked. [2022-12-14 05:27:42,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:27:42,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [427290183] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:27:42,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:27:42,090 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2022-12-14 05:27:42,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143849884] [2022-12-14 05:27:42,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:27:42,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-14 05:27:42,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:27:42,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-14 05:27:42,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2022-12-14 05:27:42,092 INFO L87 Difference]: Start difference. First operand 9211 states and 12341 transitions. Second operand has 11 states, 8 states have (on average 16.125) internal successors, (129), 10 states have internal predecessors, (129), 6 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (64), 6 states have call predecessors, (64), 6 states have call successors, (64) [2022-12-14 05:27:55,256 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 05:28:10,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:28:10,613 INFO L93 Difference]: Finished difference Result 17761 states and 23813 transitions. [2022-12-14 05:28:10,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-14 05:28:10,614 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 16.125) internal successors, (129), 10 states have internal predecessors, (129), 6 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (64), 6 states have call predecessors, (64), 6 states have call successors, (64) Word has length 523 [2022-12-14 05:28:10,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:28:10,637 INFO L225 Difference]: With dead ends: 17761 [2022-12-14 05:28:10,637 INFO L226 Difference]: Without dead ends: 9167 [2022-12-14 05:28:10,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 535 GetRequests, 516 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=362, Unknown=0, NotChecked=0, Total=420 [2022-12-14 05:28:10,653 INFO L413 NwaCegarLoop]: 2821 mSDtfsCounter, 21 mSDsluCounter, 25243 mSDsCounter, 0 mSdLazyCounter, 4076 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 28064 SdHoareTripleChecker+Invalid, 4091 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 4076 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:28:10,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 28064 Invalid, 4091 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [15 Valid, 4076 Invalid, 0 Unknown, 0 Unchecked, 26.3s Time] [2022-12-14 05:28:10,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9167 states. [2022-12-14 05:28:11,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9167 to 9113. [2022-12-14 05:28:11,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9113 states, 5514 states have (on average 1.2578890097932536) internal successors, (6936), 5847 states have internal predecessors, (6936), 2566 states have call successors, (2566), 1016 states have call predecessors, (2566), 1028 states have return successors, (2695), 2480 states have call predecessors, (2695), 2565 states have call successors, (2695) [2022-12-14 05:28:11,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9113 states to 9113 states and 12197 transitions. [2022-12-14 05:28:11,862 INFO L78 Accepts]: Start accepts. Automaton has 9113 states and 12197 transitions. Word has length 523 [2022-12-14 05:28:11,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:28:11,863 INFO L495 AbstractCegarLoop]: Abstraction has 9113 states and 12197 transitions. [2022-12-14 05:28:11,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 16.125) internal successors, (129), 10 states have internal predecessors, (129), 6 states have call successors, (67), 2 states have call predecessors, (67), 4 states have return successors, (64), 6 states have call predecessors, (64), 6 states have call successors, (64) [2022-12-14 05:28:11,863 INFO L276 IsEmpty]: Start isEmpty. Operand 9113 states and 12197 transitions. [2022-12-14 05:28:11,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 715 [2022-12-14 05:28:11,872 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:28:11,873 INFO L195 NwaCegarLoop]: trace histogram [41, 41, 28, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 10, 10, 10, 10, 10, 10, 8, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:28:11,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-14 05:28:12,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2022-12-14 05:28:12,074 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 24 more)] === [2022-12-14 05:28:12,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:28:12,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1622646125, now seen corresponding path program 1 times [2022-12-14 05:28:12,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:28:12,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682263622] [2022-12-14 05:28:12,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:12,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:28:12,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:12,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4821 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4812 trivial. 0 not checked. [2022-12-14 05:28:12,850 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:28:12,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682263622] [2022-12-14 05:28:12,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682263622] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:28:12,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [696442620] [2022-12-14 05:28:12,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:28:12,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:28:12,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:28:12,852 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:28:12,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bf2ceb15-a768-4078-aaf4-809c87c20a31/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-14 05:28:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:28:14,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 7196 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-14 05:28:14,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:28:14,946 INFO L134 CoverageAnalysis]: Checked inductivity of 4821 backedges. 536 proven. 1 refuted. 0 times theorem prover too weak. 4284 trivial. 0 not checked. [2022-12-14 05:28:14,946 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:28:15,596 INFO L134 CoverageAnalysis]: Checked inductivity of 4821 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 4812 trivial. 0 not checked. [2022-12-14 05:28:15,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [696442620] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:28:15,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1434781607] [2022-12-14 05:28:15,621 INFO L159 IcfgInterpreter]: Started Sifa with 292 locations of interest [2022-12-14 05:28:15,621 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:28:15,624 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:28:15,629 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:28:15,629 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:28:23,417 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 1689 treesize of output 1375 [2022-12-14 05:28:25,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:25,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 05:28:26,181 INFO L217 Elim1Store]: Index analysis took 759 ms [2022-12-14 05:28:26,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 37 select indices, 37 select index equivalence classes, 703 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 0 case distinctions, treesize of input 1203 treesize of output 1085 [2022-12-14 05:28:27,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 91 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 1691 treesize of output 1377