./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/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_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/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_61381306-d38b-4079-9e73-d26616f3a067/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 d25a5fddccc283f641b7212d7cb4f798f6892ab426c5d600c12492c2922640af --- 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 05:32:00,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 05:32:00,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 05:32:00,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 05:32:00,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 05:32:00,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 05:32:00,823 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 05:32:00,825 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 05:32:00,826 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 05:32:00,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 05:32:00,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 05:32:00,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 05:32:00,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 05:32:00,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 05:32:00,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 05:32:00,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 05:32:00,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 05:32:00,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 05:32:00,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 05:32:00,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 05:32:00,839 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 05:32:00,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 05:32:00,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 05:32:00,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 05:32:00,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 05:32:00,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 05:32:00,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 05:32:00,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 05:32:00,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 05:32:00,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 05:32:00,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 05:32:00,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 05:32:00,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 05:32:00,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 05:32:00,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 05:32:00,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 05:32:00,854 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 05:32:00,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 05:32:00,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 05:32:00,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 05:32:00,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 05:32:00,856 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 05:32:00,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 05:32:00,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 05:32:00,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 05:32:00,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 05:32:00,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 05:32:00,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 05:32:00,879 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 05:32:00,879 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 05:32:00,879 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 05:32:00,879 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 05:32:00,879 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 05:32:00,880 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 05:32:00,880 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 05:32:00,880 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 05:32:00,880 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 05:32:00,880 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 05:32:00,881 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 05:32:00,881 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 05:32:00,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 05:32:00,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 05:32:00,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 05:32:00,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 05:32:00,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 05:32:00,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 05:32:00,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 05:32:00,883 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 05:32:00,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 05:32:00,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 05:32:00,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 05:32:00,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:32:00,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 05:32:00,884 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 05:32:00,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 05:32:00,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 05:32:00,885 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 05:32:00,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 05:32:00,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 05:32:00,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 05:32:00,885 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_61381306-d38b-4079-9e73-d26616f3a067/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d25a5fddccc283f641b7212d7cb4f798f6892ab426c5d600c12492c2922640af [2022-12-14 05:32:01,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 05:32:01,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 05:32:01,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 05:32:01,078 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 05:32:01,079 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 05:32:01,080 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i [2022-12-14 05:32:03,600 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 05:32:03,987 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 05:32:03,987 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i [2022-12-14 05:32:04,017 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/data/de3901c7c/754d63a9b925459aaeae16992ea4e803/FLAG09754cc1c [2022-12-14 05:32:04,162 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/data/de3901c7c/754d63a9b925459aaeae16992ea4e803 [2022-12-14 05:32:04,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 05:32:04,165 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 05:32:04,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 05:32:04,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 05:32:04,169 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 05:32:04,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:32:04" (1/1) ... [2022-12-14 05:32:04,171 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0807ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:32:04, skipping insertion in model container [2022-12-14 05:32:04,171 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:32:04" (1/1) ... [2022-12-14 05:32:04,176 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 05:32:04,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 05:32:05,138 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 05:32:05,143 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 05:32:05,156 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 05:32:05,282 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 05:32:05,359 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 05:32:05,586 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 05:32:05,649 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw_nm [2022-12-14 05:32:05,708 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:32:05,713 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,714 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,716 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:32:05,723 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,723 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,725 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,727 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,728 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,729 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:32:05,730 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,732 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,733 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,734 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:32:05,735 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,747 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 05:32:05,754 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,760 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,761 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:32:05,761 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:32:05,769 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,770 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,771 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,788 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,795 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,801 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,807 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,813 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,814 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,814 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,815 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,815 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,816 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,816 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,817 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,817 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,818 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,819 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,819 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,820 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,820 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,821 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,821 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,822 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,822 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,823 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,823 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,824 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,825 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,825 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,826 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,826 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,827 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,827 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,828 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,828 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,829 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:05,836 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,852 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,860 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,870 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,879 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,887 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,888 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,889 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,902 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,903 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,904 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,906 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,908 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,910 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,911 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,912 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:32:05,912 WARN L623 FunctionHandler]: Unknown extern function ieee80211_get_hdrlen_from_skb [2022-12-14 05:32:05,913 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,914 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 05:32:05,915 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:32:05,916 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-12-14 05:32:05,923 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,925 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,927 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:32:05,927 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,933 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 05:32:05,938 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 05:32:05,944 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,945 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 05:32:05,947 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,947 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-14 05:32:05,954 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,954 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 05:32:05,956 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,956 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_txskb [2022-12-14 05:32:05,956 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 05:32:05,957 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-12-14 05:32:05,963 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,965 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,966 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,967 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-14 05:32:05,967 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-14 05:32:05,977 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_804 [2022-12-14 05:32:05,978 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,979 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 05:32:05,980 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,981 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_txskb [2022-12-14 05:32:05,981 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 05:32:05,982 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 05:32:05,985 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,985 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:05,986 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 05:32:05,986 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_txskb [2022-12-14 05:32:05,993 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:05,999 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,000 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-14 05:32:06,005 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,006 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,011 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 05:32:06,012 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 05:32:06,013 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 05:32:06,013 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 05:32:06,014 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,025 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,032 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,033 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,034 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-12-14 05:32:06,040 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,042 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,043 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,045 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,052 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,052 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 05:32:06,053 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 05:32:06,053 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 05:32:06,059 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,067 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,075 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,076 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,084 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,091 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,092 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,098 WARN L623 FunctionHandler]: Unknown extern function ieee80211_find_sta [2022-12-14 05:32:06,099 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:06,105 WARN L623 FunctionHandler]: Unknown extern function ieee80211_find_sta [2022-12-14 05:32:06,106 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:06,107 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,109 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,132 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,133 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,134 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,134 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,135 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-12-14 05:32:06,135 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 05:32:06,141 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,153 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,154 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,159 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,160 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,161 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,181 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1468 [2022-12-14 05:32:06,182 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1469 [2022-12-14 05:32:06,189 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 05:32:06,190 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,192 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 05:32:06,192 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,193 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 05:32:06,193 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,194 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 05:32:06,194 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,194 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:32:06,195 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:32:06,195 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:32:06,195 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 05:32:06,203 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 05:32:06,203 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:32:06,204 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:32:06,204 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:32:06,205 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:32:06,205 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:32:06,205 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:32:06,206 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:32:06,206 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:32:06,206 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:32:06,207 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 05:32:06,207 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 05:32:06,207 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:32:06,208 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:32:06,208 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 05:32:06,208 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 05:32:06,210 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,210 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,211 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,211 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,212 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,212 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,213 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,213 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,214 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,214 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:06,215 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-12-14 05:32:06,215 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:06,216 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:06,216 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 05:32:06,223 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:06,224 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 05:32:06,426 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:32:06,427 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:32:06,429 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 05:32:06,429 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:06,429 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:06,430 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:06,430 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:06,431 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:32:06,431 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:06,432 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:06,432 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:06,432 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:06,433 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:32:06,433 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:06,435 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 05:32:06,436 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 05:32:06,437 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-12-14 05:32:06,437 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 05:32:06,437 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 05:32:06,438 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 05:32:06,438 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 05:32:06,439 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 05:32:06,439 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 05:32:06,439 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 05:32:06,439 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 05:32:06,916 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:32:07,110 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:32:07,773 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491154,491167] [2022-12-14 05:32:07,776 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491299,491312] [2022-12-14 05:32:07,776 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491445,491458] [2022-12-14 05:32:07,776 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491610,491623] [2022-12-14 05:32:07,777 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491768,491781] [2022-12-14 05:32:07,777 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491926,491939] [2022-12-14 05:32:07,777 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492084,492097] [2022-12-14 05:32:07,778 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492244,492257] [2022-12-14 05:32:07,778 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492403,492416] [2022-12-14 05:32:07,778 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492542,492555] [2022-12-14 05:32:07,779 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492684,492697] [2022-12-14 05:32:07,779 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492833,492846] [2022-12-14 05:32:07,779 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492972,492985] [2022-12-14 05:32:07,780 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493127,493140] [2022-12-14 05:32:07,780 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493287,493300] [2022-12-14 05:32:07,780 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493438,493451] [2022-12-14 05:32:07,780 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493589,493602] [2022-12-14 05:32:07,781 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493741,493754] [2022-12-14 05:32:07,781 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493890,493903] [2022-12-14 05:32:07,782 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494038,494051] [2022-12-14 05:32:07,782 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494195,494208] [2022-12-14 05:32:07,782 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494344,494357] [2022-12-14 05:32:07,782 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494500,494513] [2022-12-14 05:32:07,783 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494653,494666] [2022-12-14 05:32:07,783 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494799,494812] [2022-12-14 05:32:07,783 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494942,494955] [2022-12-14 05:32:07,784 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495094,495107] [2022-12-14 05:32:07,784 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495240,495253] [2022-12-14 05:32:07,784 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495385,495398] [2022-12-14 05:32:07,785 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495539,495552] [2022-12-14 05:32:07,785 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495690,495703] [2022-12-14 05:32:07,785 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495845,495858] [2022-12-14 05:32:07,785 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495997,496010] [2022-12-14 05:32:07,786 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496152,496165] [2022-12-14 05:32:07,786 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496316,496329] [2022-12-14 05:32:07,786 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496472,496485] [2022-12-14 05:32:07,787 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496636,496649] [2022-12-14 05:32:07,787 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496778,496791] [2022-12-14 05:32:07,787 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496936,496949] [2022-12-14 05:32:07,788 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497103,497116] [2022-12-14 05:32:07,788 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497262,497275] [2022-12-14 05:32:07,788 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497421,497434] [2022-12-14 05:32:07,788 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497570,497583] [2022-12-14 05:32:07,789 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497717,497730] [2022-12-14 05:32:07,789 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497856,497869] [2022-12-14 05:32:07,789 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498019,498032] [2022-12-14 05:32:07,790 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498185,498198] [2022-12-14 05:32:07,790 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498349,498362] [2022-12-14 05:32:07,790 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498514,498527] [2022-12-14 05:32:07,790 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498679,498692] [2022-12-14 05:32:07,791 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498845,498858] [2022-12-14 05:32:07,791 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499010,499023] [2022-12-14 05:32:07,791 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499177,499190] [2022-12-14 05:32:07,792 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499337,499350] [2022-12-14 05:32:07,792 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499499,499512] [2022-12-14 05:32:07,792 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499658,499671] [2022-12-14 05:32:07,793 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499804,499817] [2022-12-14 05:32:07,793 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499947,499960] [2022-12-14 05:32:07,793 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500091,500104] [2022-12-14 05:32:07,794 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500234,500247] [2022-12-14 05:32:07,794 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500378,500391] [2022-12-14 05:32:07,794 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500519,500532] [2022-12-14 05:32:07,794 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500657,500670] [2022-12-14 05:32:07,795 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500815,500828] [2022-12-14 05:32:07,795 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500974,500987] [2022-12-14 05:32:07,795 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501130,501143] [2022-12-14 05:32:07,796 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501279,501292] [2022-12-14 05:32:07,796 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501431,501444] [2022-12-14 05:32:07,796 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501582,501595] [2022-12-14 05:32:07,797 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501731,501744] [2022-12-14 05:32:07,797 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501883,501896] [2022-12-14 05:32:07,797 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502031,502044] [2022-12-14 05:32:07,797 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502184,502197] [2022-12-14 05:32:07,798 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502335,502348] [2022-12-14 05:32:07,798 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502485,502498] [2022-12-14 05:32:07,798 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502632,502645] [2022-12-14 05:32:07,799 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502783,502796] [2022-12-14 05:32:07,799 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502934,502947] [2022-12-14 05:32:07,799 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503082,503095] [2022-12-14 05:32:07,799 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503248,503261] [2022-12-14 05:32:07,800 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503417,503430] [2022-12-14 05:32:07,800 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503584,503597] [2022-12-14 05:32:07,800 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503752,503765] [2022-12-14 05:32:07,801 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503902,503915] [2022-12-14 05:32:07,801 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504049,504062] [2022-12-14 05:32:07,801 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504210,504223] [2022-12-14 05:32:07,801 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504380,504393] [2022-12-14 05:32:07,802 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504542,504555] [2022-12-14 05:32:07,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:32:07,850 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 05:32:07,933 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 05:32:07,934 WARN L623 FunctionHandler]: Unknown extern function __list_add [2022-12-14 05:32:07,934 WARN L623 FunctionHandler]: Unknown extern function __list_del_entry [2022-12-14 05:32:07,935 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irqrestore [2022-12-14 05:32:07,936 WARN L623 FunctionHandler]: Unknown extern function queue_work_on [2022-12-14 05:32:07,941 WARN L623 FunctionHandler]: Unknown extern function __dev_kfree_skb_irq [2022-12-14 05:32:07,942 WARN L623 FunctionHandler]: Unknown extern function ieee80211_alloc_hw_nm [2022-12-14 05:32:07,944 WARN L623 FunctionHandler]: Unknown extern function warn_slowpath_null [2022-12-14 05:32:07,945 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,945 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,946 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:32:07,947 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,947 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,948 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,949 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,950 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,950 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:32:07,950 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,951 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,952 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,952 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:32:07,953 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,954 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 05:32:07,955 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,958 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,959 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:32:07,959 WARN L623 FunctionHandler]: Unknown extern function complete [2022-12-14 05:32:07,961 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,961 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,962 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,963 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,964 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,965 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,974 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,975 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,975 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,975 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,976 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,976 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,976 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,977 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,977 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,977 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,977 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,978 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,978 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,978 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,979 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,979 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,979 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,980 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,980 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,980 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,980 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,981 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,981 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,981 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,982 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,982 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,982 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,983 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,983 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,983 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,984 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:07,985 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,986 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,987 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,989 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,989 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,990 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,991 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,991 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,995 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,996 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,996 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:07,997 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,998 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,999 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:07,999 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,000 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:32:08,000 WARN L623 FunctionHandler]: Unknown extern function ieee80211_get_hdrlen_from_skb [2022-12-14 05:32:08,001 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,001 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 05:32:08,001 WARN L623 FunctionHandler]: Unknown extern function skb_put [2022-12-14 05:32:08,002 WARN L623 FunctionHandler]: Unknown extern function ieee80211_rx_irqsafe [2022-12-14 05:32:08,003 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,004 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,005 WARN L623 FunctionHandler]: Unknown extern function kfree_skb [2022-12-14 05:32:08,005 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,006 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-14 05:32:08,007 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 05:32:08,010 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,011 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-14 05:32:08,011 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,012 WARN L623 FunctionHandler]: Unknown extern function ieee80211_wake_queues [2022-12-14 05:32:08,015 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,015 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 05:32:08,016 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,016 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_txskb [2022-12-14 05:32:08,017 WARN L623 FunctionHandler]: Unknown extern function skb_pull [2022-12-14 05:32:08,017 WARN L623 FunctionHandler]: Unknown extern function ieee80211_tx_status_irqsafe [2022-12-14 05:32:08,018 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,019 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,019 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,020 WARN L623 FunctionHandler]: Unknown extern function ieee80211_stop_queues [2022-12-14 05:32:08,020 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-14 05:32:08,021 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_804 [2022-12-14 05:32:08,022 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,022 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 05:32:08,023 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,023 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_txskb [2022-12-14 05:32:08,026 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 05:32:08,026 WARN L623 FunctionHandler]: Unknown extern function skb_push [2022-12-14 05:32:08,027 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,028 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,028 WARN L623 FunctionHandler]: Unknown extern function list_del [2022-12-14 05:32:08,028 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_txskb [2022-12-14 05:32:08,029 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,030 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,030 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_work [2022-12-14 05:32:08,031 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,031 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,032 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-14 05:32:08,033 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-14 05:32:08,033 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-14 05:32:08,033 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-14 05:32:08,034 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,036 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,037 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,038 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,038 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-12-14 05:32:08,039 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,040 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,041 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,042 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,043 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,043 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work_sync [2022-12-14 05:32:08,043 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 05:32:08,043 WARN L623 FunctionHandler]: Unknown extern function cancel_work_sync [2022-12-14 05:32:08,044 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,045 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,046 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,046 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,048 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,049 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,049 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,050 WARN L623 FunctionHandler]: Unknown extern function ieee80211_find_sta [2022-12-14 05:32:08,050 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:08,051 WARN L623 FunctionHandler]: Unknown extern function ieee80211_find_sta [2022-12-14 05:32:08,052 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:08,052 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,053 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,056 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,057 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,057 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,058 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,058 WARN L623 FunctionHandler]: Unknown extern function ieee80211_queue_delayed_work [2022-12-14 05:32:08,058 WARN L623 FunctionHandler]: Unknown extern function cancel_delayed_work [2022-12-14 05:32:08,059 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,061 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,061 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,062 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,062 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,063 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,074 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1468 [2022-12-14 05:32:08,074 WARN L623 FunctionHandler]: Unknown extern function __compiletime_assert_1469 [2022-12-14 05:32:08,075 WARN L623 FunctionHandler]: Unknown extern function request_firmware [2022-12-14 05:32:08,075 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,077 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 05:32:08,077 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,077 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 05:32:08,078 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,078 WARN L623 FunctionHandler]: Unknown extern function usb_bulk_msg [2022-12-14 05:32:08,078 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,079 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:32:08,079 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:32:08,079 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-14 05:32:08,079 WARN L623 FunctionHandler]: Unknown extern function release_firmware [2022-12-14 05:32:08,081 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-14 05:32:08,081 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:32:08,081 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:32:08,082 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:32:08,082 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:32:08,082 WARN L623 FunctionHandler]: Unknown extern function init_timer_key [2022-12-14 05:32:08,082 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:32:08,083 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:32:08,083 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:32:08,083 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:32:08,084 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 05:32:08,084 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-14 05:32:08,084 WARN L623 FunctionHandler]: Unknown extern function __init_work [2022-12-14 05:32:08,084 WARN L623 FunctionHandler]: Unknown extern function lockdep_init_map [2022-12-14 05:32:08,085 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-14 05:32:08,085 WARN L623 FunctionHandler]: Unknown extern function __alloc_workqueue_key [2022-12-14 05:32:08,085 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,086 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,086 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,087 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,087 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,087 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,088 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,088 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,089 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,089 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:08,089 WARN L623 FunctionHandler]: Unknown extern function ieee80211_register_hw [2022-12-14 05:32:08,090 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-14 05:32:08,090 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-14 05:32:08,090 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 05:32:08,092 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-14 05:32:08,092 WARN L623 FunctionHandler]: Unknown extern function destroy_workqueue [2022-12-14 05:32:08,111 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:32:08,111 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:32:08,112 WARN L623 FunctionHandler]: Unknown extern function wait_for_completion_timeout [2022-12-14 05:32:08,113 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:08,113 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:08,113 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:08,113 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:08,114 WARN L623 FunctionHandler]: Unknown extern function del_timer [2022-12-14 05:32:08,114 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:08,114 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:08,115 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:08,115 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:08,115 WARN L623 FunctionHandler]: Unknown extern function mod_timer [2022-12-14 05:32:08,116 WARN L623 FunctionHandler]: Unknown extern function __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:08,117 WARN L623 FunctionHandler]: Unknown extern function del_timer_sync [2022-12-14 05:32:08,118 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 05:32:08,118 WARN L623 FunctionHandler]: Unknown extern function ieee80211_unregister_hw [2022-12-14 05:32:08,118 WARN L623 FunctionHandler]: Unknown extern function ieee80211_free_hw [2022-12-14 05:32:08,119 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-14 05:32:08,119 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-14 05:32:08,120 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 05:32:08,120 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 05:32:08,120 WARN L623 FunctionHandler]: Unknown extern function rtnl_lock [2022-12-14 05:32:08,120 WARN L623 FunctionHandler]: Unknown extern function rtnl_unlock [2022-12-14 05:32:08,120 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-14 05:32:08,132 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-14 05:32:08,138 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-14 05:32:08,159 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491154,491167] [2022-12-14 05:32:08,160 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491299,491312] [2022-12-14 05:32:08,160 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491445,491458] [2022-12-14 05:32:08,160 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491610,491623] [2022-12-14 05:32:08,161 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491768,491781] [2022-12-14 05:32:08,161 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[491926,491939] [2022-12-14 05:32:08,161 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492084,492097] [2022-12-14 05:32:08,161 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492244,492257] [2022-12-14 05:32:08,162 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492403,492416] [2022-12-14 05:32:08,162 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492542,492555] [2022-12-14 05:32:08,162 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492684,492697] [2022-12-14 05:32:08,162 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492833,492846] [2022-12-14 05:32:08,163 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[492972,492985] [2022-12-14 05:32:08,163 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493127,493140] [2022-12-14 05:32:08,163 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493287,493300] [2022-12-14 05:32:08,164 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493438,493451] [2022-12-14 05:32:08,164 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493589,493602] [2022-12-14 05:32:08,164 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493741,493754] [2022-12-14 05:32:08,164 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[493890,493903] [2022-12-14 05:32:08,165 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494038,494051] [2022-12-14 05:32:08,165 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494195,494208] [2022-12-14 05:32:08,165 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494344,494357] [2022-12-14 05:32:08,165 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494500,494513] [2022-12-14 05:32:08,166 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494653,494666] [2022-12-14 05:32:08,166 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494799,494812] [2022-12-14 05:32:08,166 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[494942,494955] [2022-12-14 05:32:08,166 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495094,495107] [2022-12-14 05:32:08,167 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495240,495253] [2022-12-14 05:32:08,167 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495385,495398] [2022-12-14 05:32:08,167 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495539,495552] [2022-12-14 05:32:08,167 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495690,495703] [2022-12-14 05:32:08,168 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495845,495858] [2022-12-14 05:32:08,168 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[495997,496010] [2022-12-14 05:32:08,168 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496152,496165] [2022-12-14 05:32:08,169 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496316,496329] [2022-12-14 05:32:08,169 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496472,496485] [2022-12-14 05:32:08,169 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496636,496649] [2022-12-14 05:32:08,169 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496778,496791] [2022-12-14 05:32:08,169 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[496936,496949] [2022-12-14 05:32:08,170 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497103,497116] [2022-12-14 05:32:08,170 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497262,497275] [2022-12-14 05:32:08,170 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497421,497434] [2022-12-14 05:32:08,170 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497570,497583] [2022-12-14 05:32:08,171 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497717,497730] [2022-12-14 05:32:08,171 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[497856,497869] [2022-12-14 05:32:08,171 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498019,498032] [2022-12-14 05:32:08,171 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498185,498198] [2022-12-14 05:32:08,172 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498349,498362] [2022-12-14 05:32:08,172 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498514,498527] [2022-12-14 05:32:08,172 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498679,498692] [2022-12-14 05:32:08,173 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[498845,498858] [2022-12-14 05:32:08,173 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499010,499023] [2022-12-14 05:32:08,173 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499177,499190] [2022-12-14 05:32:08,174 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499337,499350] [2022-12-14 05:32:08,174 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499499,499512] [2022-12-14 05:32:08,174 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499658,499671] [2022-12-14 05:32:08,175 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499804,499817] [2022-12-14 05:32:08,175 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[499947,499960] [2022-12-14 05:32:08,176 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500091,500104] [2022-12-14 05:32:08,176 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500234,500247] [2022-12-14 05:32:08,176 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500378,500391] [2022-12-14 05:32:08,177 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500519,500532] [2022-12-14 05:32:08,177 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500657,500670] [2022-12-14 05:32:08,177 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500815,500828] [2022-12-14 05:32:08,178 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[500974,500987] [2022-12-14 05:32:08,178 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501130,501143] [2022-12-14 05:32:08,179 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501279,501292] [2022-12-14 05:32:08,179 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501431,501444] [2022-12-14 05:32:08,179 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501582,501595] [2022-12-14 05:32:08,180 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501731,501744] [2022-12-14 05:32:08,180 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[501883,501896] [2022-12-14 05:32:08,180 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502031,502044] [2022-12-14 05:32:08,181 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502184,502197] [2022-12-14 05:32:08,181 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502335,502348] [2022-12-14 05:32:08,182 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502485,502498] [2022-12-14 05:32:08,182 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502632,502645] [2022-12-14 05:32:08,182 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502783,502796] [2022-12-14 05:32:08,183 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[502934,502947] [2022-12-14 05:32:08,183 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503082,503095] [2022-12-14 05:32:08,183 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503248,503261] [2022-12-14 05:32:08,184 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503417,503430] [2022-12-14 05:32:08,184 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503584,503597] [2022-12-14 05:32:08,184 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503752,503765] [2022-12-14 05:32:08,185 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[503902,503915] [2022-12-14 05:32:08,185 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504049,504062] [2022-12-14 05:32:08,186 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504210,504223] [2022-12-14 05:32:08,186 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504380,504393] [2022-12-14 05:32:08,186 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_61381306-d38b-4079-9e73-d26616f3a067/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i[504542,504555] [2022-12-14 05:32:08,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 05:32:08,369 INFO L208 MainTranslator]: Completed translation [2022-12-14 05:32:08,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:32:08 WrapperNode [2022-12-14 05:32:08,370 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 05:32:08,371 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 05:32:08,371 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 05:32:08,371 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 05:32:08,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:32:08" (1/1) ... [2022-12-14 05:32:08,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:32:08" (1/1) ... [2022-12-14 05:32:08,670 INFO L138 Inliner]: procedures = 687, calls = 4509, calls flagged for inlining = 318, calls inlined = 208, statements flattened = 7245 [2022-12-14 05:32:08,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 05:32:08,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 05:32:08,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 05:32:08,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 05:32:08,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:32:08" (1/1) ... [2022-12-14 05:32:08,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:32:08" (1/1) ... [2022-12-14 05:32:08,718 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:32:08" (1/1) ... [2022-12-14 05:32:08,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:32:08" (1/1) ... [2022-12-14 05:32:08,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:32:08" (1/1) ... [2022-12-14 05:32:08,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:32:08" (1/1) ... [2022-12-14 05:32:08,886 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:32:08" (1/1) ... [2022-12-14 05:32:08,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:32:08" (1/1) ... [2022-12-14 05:32:08,945 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 05:32:08,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 05:32:08,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 05:32:08,946 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 05:32:08,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:32:08" (1/1) ... [2022-12-14 05:32:08,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 05:32:08,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:32:08,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 05:32:08,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 05:32:09,011 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-12-14 05:32:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-12-14 05:32:09,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 05:32:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-14 05:32:09,011 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_txskb [2022-12-14 05:32:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_txskb [2022-12-14 05:32:09,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-14 05:32:09,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-14 05:32:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 05:32:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-14 05:32:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-12-14 05:32:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_alloc_coherent [2022-12-14 05:32:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cancel_rx_cmd [2022-12-14 05:32:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cancel_rx_cmd [2022-12-14 05:32:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 05:32:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-14 05:32:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_get_capability [2022-12-14 05:32:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_get_capability [2022-12-14 05:32:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-12-14 05:32:09,012 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-12-14 05:32:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-14 05:32:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-14 05:32:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 05:32:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-14 05:32:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_set_rxfilter [2022-12-14 05:32:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_set_rxfilter [2022-12-14 05:32:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_start [2022-12-14 05:32:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_start [2022-12-14 05:32:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-12-14 05:32:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-12-14 05:32:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-12-14 05:32:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-12-14 05:32:09,013 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cmd_write [2022-12-14 05:32:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cmd_write [2022-12-14 05:32:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-12-14 05:32:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_lock [2022-12-14 05:32:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_get_status [2022-12-14 05:32:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_get_status [2022-12-14 05:32:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-14 05:32:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-14 05:32:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-14 05:32:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-14 05:32:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-14 05:32:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-14 05:32:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-12-14 05:32:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-12-14 05:32:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_config [2022-12-14 05:32:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_config [2022-12-14 05:32:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_rx_data_list_lock_of_ar5523 [2022-12-14 05:32:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_rx_data_list_lock_of_ar5523 [2022-12-14 05:32:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 05:32:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-12-14 05:32:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-12-14 05:32:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-12-14 05:32:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-12-14 05:32:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-14 05:32:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-14 05:32:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-14 05:32:09,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-14 05:32:09,015 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_delayed_work [2022-12-14 05:32:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_delayed_work [2022-12-14 05:32:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_data_tx_pkt_put [2022-12-14 05:32:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_data_tx_pkt_put [2022-12-14 05:32:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-12-14 05:32:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_create_rateset [2022-12-14 05:32:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_create_rateset [2022-12-14 05:32:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-12-14 05:32:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-12-14 05:32:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_set_ledsteady [2022-12-14 05:32:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_set_ledsteady [2022-12-14 05:32:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-14 05:32:09,016 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-14 05:32:09,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-14 05:32:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-14 05:32:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-14 05:32:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_free_rx_bufs [2022-12-14 05:32:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_free_rx_bufs [2022-12-14 05:32:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 05:32:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-14 05:32:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 05:32:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 05:32:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-14 05:32:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-14 05:32:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-14 05:32:09,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-12-14 05:32:09,017 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-12-14 05:32:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_ar5523 [2022-12-14 05:32:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_mutex_of_ar5523 [2022-12-14 05:32:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 05:32:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-14 05:32:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-14 05:32:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-14 05:32:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-14 05:32:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-14 05:32:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_disconnect [2022-12-14 05:32:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_disconnect [2022-12-14 05:32:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-12-14 05:32:09,018 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-12-14 05:32:09,018 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 05:32:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-14 05:32:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 05:32:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-14 05:32:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-14 05:32:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-12-14 05:32:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-12-14 05:32:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-12-14 05:32:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-12-14 05:32:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 05:32:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-12-14 05:32:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-12-14 05:32:09,019 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-14 05:32:09,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-14 05:32:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-14 05:32:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-14 05:32:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-14 05:32:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-12-14 05:32:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-12-14 05:32:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-12-14 05:32:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-12-14 05:32:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-12-14 05:32:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-12-14 05:32:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_queue_work [2022-12-14 05:32:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_queue_work [2022-12-14 05:32:09,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 05:32:09,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-14 05:32:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure list_move [2022-12-14 05:32:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move [2022-12-14 05:32:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-12-14 05:32:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-12-14 05:32:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ar5523 [2022-12-14 05:32:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_mutex_of_ar5523 [2022-12-14 05:32:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 05:32:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 05:32:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-12-14 05:32:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-12-14 05:32:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_submit_rx_cmd [2022-12-14 05:32:09,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_submit_rx_cmd [2022-12-14 05:32:09,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-12-14 05:32:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-12-14 05:32:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-14 05:32:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-14 05:32:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-12-14 05:32:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-12-14 05:32:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 05:32:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-14 05:32:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-12-14 05:32:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-12-14 05:32:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_143 [2022-12-14 05:32:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_143 [2022-12-14 05:32:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-12-14 05:32:09,022 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-12-14 05:32:09,022 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cmd_read [2022-12-14 05:32:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cmd_read [2022-12-14 05:32:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-12-14 05:32:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-12-14 05:32:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_131 [2022-12-14 05:32:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_131 [2022-12-14 05:32:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_bulk_urb [2022-12-14 05:32:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_bulk_urb [2022-12-14 05:32:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_tx_data_list_lock_of_ar5523 [2022-12-14 05:32:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_tx_data_list_lock_of_ar5523 [2022-12-14 05:32:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-12-14 05:32:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-12-14 05:32:09,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-12-14 05:32:09,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-12-14 05:32:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-14 05:32:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-14 05:32:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-12-14 05:32:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-12-14 05:32:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 05:32:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-14 05:32:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_free_rx_cmd [2022-12-14 05:32:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_free_rx_cmd [2022-12-14 05:32:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 05:32:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-14 05:32:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-14 05:32:09,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 05:32:09,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-14 05:32:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_switch_chan [2022-12-14 05:32:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_switch_chan [2022-12-14 05:32:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_find_sta [2022-12-14 05:32:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_find_sta [2022-12-14 05:32:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-14 05:32:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-12-14 05:32:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_usb_free_coherent [2022-12-14 05:32:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-14 05:32:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_tx_work_locked [2022-12-14 05:32:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_tx_work_locked [2022-12-14 05:32:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-12-14 05:32:09,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-12-14 05:32:09,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 05:32:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-14 05:32:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-14 05:32:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-14 05:32:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-14 05:32:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-14 05:32:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-12-14 05:32:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-12-14 05:32:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-12-14 05:32:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-12-14 05:32:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-12-14 05:32:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-12-14 05:32:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-12-14 05:32:09,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-12-14 05:32:09,026 INFO L130 BoogieDeclarations]: Found specification of procedure usb_bulk_msg [2022-12-14 05:32:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_bulk_msg [2022-12-14 05:32:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 05:32:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-14 05:32:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 05:32:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-14 05:32:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_stop [2022-12-14 05:32:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_stop [2022-12-14 05:32:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 05:32:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-14 05:32:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-12-14 05:32:09,027 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_flush_tx [2022-12-14 05:32:09,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_flush_tx [2022-12-14 05:32:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-14 05:32:09,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-14 05:32:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cancel_rx_bufs [2022-12-14 05:32:09,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cancel_rx_bufs [2022-12-14 05:32:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-12-14 05:32:09,028 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-12-14 05:32:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 05:32:09,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-14 05:32:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-14 05:32:09,028 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-14 05:32:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 05:32:09,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-14 05:32:09,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 05:32:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 05:32:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-14 05:32:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-14 05:32:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-14 05:32:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 05:32:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-14 05:32:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-12-14 05:32:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-12-14 05:32:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-12-14 05:32:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-12-14 05:32:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-12-14 05:32:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-12-14 05:32:09,029 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_free_tx_cmd [2022-12-14 05:32:09,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_free_tx_cmd [2022-12-14 05:32:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-14 05:32:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-14 05:32:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-12-14 05:32:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-12-14 05:32:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 05:32:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-14 05:32:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-12-14 05:32:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-12-14 05:32:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-12-14 05:32:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-12-14 05:32:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-12-14 05:32:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 05:32:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure ar5523_cmd [2022-12-14 05:32:09,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ar5523_cmd [2022-12-14 05:32:09,030 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-12-14 05:32:09,031 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-12-14 05:32:09,031 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-12-14 05:32:09,031 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-12-14 05:32:09,577 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 05:32:09,580 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 05:32:09,830 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-14 05:32:14,711 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 05:32:15,241 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 05:32:15,241 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-14 05:32:15,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:32:15 BoogieIcfgContainer [2022-12-14 05:32:15,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 05:32:15,246 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 05:32:15,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 05:32:15,248 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 05:32:15,248 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 05:32:04" (1/3) ... [2022-12-14 05:32:15,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7360953a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:32:15, skipping insertion in model container [2022-12-14 05:32:15,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:32:08" (2/3) ... [2022-12-14 05:32:15,249 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7360953a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 05:32:15, skipping insertion in model container [2022-12-14 05:32:15,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:32:15" (3/3) ... [2022-12-14 05:32:15,250 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--wireless--ath--ar5523--ar5523.ko.cil.i [2022-12-14 05:32:15,264 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 05:32:15,264 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 34 error locations. [2022-12-14 05:32:15,320 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 05:32:15,324 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;@1e4fd3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 05:32:15,324 INFO L358 AbstractCegarLoop]: Starting to check reachability of 34 error locations. [2022-12-14 05:32:15,332 INFO L276 IsEmpty]: Start isEmpty. Operand has 1499 states, 822 states have (on average 1.2652068126520681) internal successors, (1040), 877 states have internal predecessors, (1040), 520 states have call successors, (520), 123 states have call predecessors, (520), 122 states have return successors, (516), 514 states have call predecessors, (516), 516 states have call successors, (516) [2022-12-14 05:32:15,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-12-14 05:32:15,339 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:15,339 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:32:15,339 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:15,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:15,343 INFO L85 PathProgramCache]: Analyzing trace with hash -732040101, now seen corresponding path program 1 times [2022-12-14 05:32:15,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:15,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615218007] [2022-12-14 05:32:15,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:15,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:16,697 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:32:16,698 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:16,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615218007] [2022-12-14 05:32:16,698 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615218007] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:16,698 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:16,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:32:16,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612525817] [2022-12-14 05:32:16,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:16,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:32:16,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:16,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:32:16,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:32:16,728 INFO L87 Difference]: Start difference. First operand has 1499 states, 822 states have (on average 1.2652068126520681) internal successors, (1040), 877 states have internal predecessors, (1040), 520 states have call successors, (520), 123 states have call predecessors, (520), 122 states have return successors, (516), 514 states have call predecessors, (516), 516 states have call successors, (516) 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, (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 05:32:18,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:18,616 INFO L93 Difference]: Finished difference Result 2938 states and 4266 transitions. [2022-12-14 05:32:18,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:32:18,618 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, (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 51 [2022-12-14 05:32:18,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:18,632 INFO L225 Difference]: With dead ends: 2938 [2022-12-14 05:32:18,632 INFO L226 Difference]: Without dead ends: 1485 [2022-12-14 05:32:18,640 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 05:32:18,642 INFO L413 NwaCegarLoop]: 1778 mSDtfsCounter, 2017 mSDsluCounter, 1778 mSDsCounter, 0 mSdLazyCounter, 519 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2019 SdHoareTripleChecker+Valid, 3556 SdHoareTripleChecker+Invalid, 519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 519 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:18,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2019 Valid, 3556 Invalid, 519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 519 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 05:32:18,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1485 states. [2022-12-14 05:32:18,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1485 to 1485. [2022-12-14 05:32:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 815 states have (on average 1.2196319018404909) internal successors, (994), 866 states have internal predecessors, (994), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-12-14 05:32:18,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 2024 transitions. [2022-12-14 05:32:18,785 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 2024 transitions. Word has length 51 [2022-12-14 05:32:18,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:18,786 INFO L495 AbstractCegarLoop]: Abstraction has 1485 states and 2024 transitions. [2022-12-14 05:32:18,786 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, (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 05:32:18,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2024 transitions. [2022-12-14 05:32:18,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-14 05:32:18,788 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:18,788 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:32:18,788 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 05:32:18,788 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:18,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:18,789 INFO L85 PathProgramCache]: Analyzing trace with hash -138429178, now seen corresponding path program 1 times [2022-12-14 05:32:18,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:18,789 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996303819] [2022-12-14 05:32:18,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:18,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:19,764 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:32:19,765 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:19,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996303819] [2022-12-14 05:32:19,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996303819] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:19,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:19,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:32:19,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966237689] [2022-12-14 05:32:19,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:19,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:32:19,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:19,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:32:19,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:32:19,768 INFO L87 Difference]: Start difference. First operand 1485 states and 2024 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, (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 05:32:21,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:21,236 INFO L93 Difference]: Finished difference Result 1485 states and 2024 transitions. [2022-12-14 05:32:21,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:32:21,237 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, (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 56 [2022-12-14 05:32:21,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:21,246 INFO L225 Difference]: With dead ends: 1485 [2022-12-14 05:32:21,246 INFO L226 Difference]: Without dead ends: 1483 [2022-12-14 05:32:21,248 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 05:32:21,248 INFO L413 NwaCegarLoop]: 1762 mSDtfsCounter, 1999 mSDsluCounter, 1762 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2001 SdHoareTripleChecker+Valid, 3524 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:21,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2001 Valid, 3524 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 05:32:21,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2022-12-14 05:32:21,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1483. [2022-12-14 05:32:21,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 814 states have (on average 1.2186732186732188) internal successors, (992), 864 states have internal predecessors, (992), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-12-14 05:32:21,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2022 transitions. [2022-12-14 05:32:21,308 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2022 transitions. Word has length 56 [2022-12-14 05:32:21,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:21,309 INFO L495 AbstractCegarLoop]: Abstraction has 1483 states and 2022 transitions. [2022-12-14 05:32:21,309 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, (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 05:32:21,309 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2022 transitions. [2022-12-14 05:32:21,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-12-14 05:32:21,310 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:21,310 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:32:21,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 05:32:21,311 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:21,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:21,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1869557908, now seen corresponding path program 1 times [2022-12-14 05:32:21,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:21,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029650003] [2022-12-14 05:32:21,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:21,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:32:22,115 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:22,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029650003] [2022-12-14 05:32:22,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029650003] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:22,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:22,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:32:22,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086922173] [2022-12-14 05:32:22,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:22,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:32:22,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:22,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:32:22,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:32:22,117 INFO L87 Difference]: Start difference. First operand 1483 states and 2022 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, (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 05:32:23,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:23,755 INFO L93 Difference]: Finished difference Result 1483 states and 2022 transitions. [2022-12-14 05:32:23,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:32:23,755 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, (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 61 [2022-12-14 05:32:23,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:23,761 INFO L225 Difference]: With dead ends: 1483 [2022-12-14 05:32:23,761 INFO L226 Difference]: Without dead ends: 1481 [2022-12-14 05:32:23,762 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 05:32:23,762 INFO L413 NwaCegarLoop]: 1760 mSDtfsCounter, 1996 mSDsluCounter, 1760 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 3520 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:23,762 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1998 Valid, 3520 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 05:32:23,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1481 states. [2022-12-14 05:32:23,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1481 to 1481. [2022-12-14 05:32:23,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1481 states, 813 states have (on average 1.2177121771217712) internal successors, (990), 862 states have internal predecessors, (990), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-12-14 05:32:23,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1481 states to 1481 states and 2020 transitions. [2022-12-14 05:32:23,819 INFO L78 Accepts]: Start accepts. Automaton has 1481 states and 2020 transitions. Word has length 61 [2022-12-14 05:32:23,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:23,819 INFO L495 AbstractCegarLoop]: Abstraction has 1481 states and 2020 transitions. [2022-12-14 05:32:23,820 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, (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 05:32:23,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 2020 transitions. [2022-12-14 05:32:23,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-12-14 05:32:23,821 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:23,821 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:32:23,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-14 05:32:23,821 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:23,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:23,822 INFO L85 PathProgramCache]: Analyzing trace with hash -491823172, now seen corresponding path program 1 times [2022-12-14 05:32:23,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:23,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305430651] [2022-12-14 05:32:23,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:23,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:24,814 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:32:24,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:24,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305430651] [2022-12-14 05:32:24,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305430651] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:24,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:24,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:32:24,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395044099] [2022-12-14 05:32:24,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:24,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:32:24,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:24,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:32:24,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:32:24,817 INFO L87 Difference]: Start difference. First operand 1481 states and 2020 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, (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 05:32:26,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:26,327 INFO L93 Difference]: Finished difference Result 1481 states and 2020 transitions. [2022-12-14 05:32:26,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:32:26,327 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, (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 66 [2022-12-14 05:32:26,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:26,335 INFO L225 Difference]: With dead ends: 1481 [2022-12-14 05:32:26,336 INFO L226 Difference]: Without dead ends: 1479 [2022-12-14 05:32:26,337 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 05:32:26,337 INFO L413 NwaCegarLoop]: 1758 mSDtfsCounter, 1993 mSDsluCounter, 1758 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1995 SdHoareTripleChecker+Valid, 3516 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:26,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1995 Valid, 3516 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 05:32:26,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1479 states. [2022-12-14 05:32:26,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1479 to 1479. [2022-12-14 05:32:26,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 812 states have (on average 1.2167487684729064) internal successors, (988), 860 states have internal predecessors, (988), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-12-14 05:32:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2018 transitions. [2022-12-14 05:32:26,430 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2018 transitions. Word has length 66 [2022-12-14 05:32:26,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:26,430 INFO L495 AbstractCegarLoop]: Abstraction has 1479 states and 2018 transitions. [2022-12-14 05:32:26,430 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, (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 05:32:26,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2018 transitions. [2022-12-14 05:32:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-14 05:32:26,431 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:26,431 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:32:26,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-14 05:32:26,432 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:26,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:26,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1060710148, now seen corresponding path program 1 times [2022-12-14 05:32:26,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:26,432 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916510864] [2022-12-14 05:32:26,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:26,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:27,147 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:32:27,148 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:27,148 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916510864] [2022-12-14 05:32:27,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916510864] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:27,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:27,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:32:27,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029592954] [2022-12-14 05:32:27,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:27,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:32:27,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:27,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:32:27,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:32:27,150 INFO L87 Difference]: Start difference. First operand 1479 states and 2018 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, (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 05:32:28,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:28,743 INFO L93 Difference]: Finished difference Result 1479 states and 2018 transitions. [2022-12-14 05:32:28,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:32:28,744 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, (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 71 [2022-12-14 05:32:28,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:28,748 INFO L225 Difference]: With dead ends: 1479 [2022-12-14 05:32:28,749 INFO L226 Difference]: Without dead ends: 1477 [2022-12-14 05:32:28,749 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 05:32:28,750 INFO L413 NwaCegarLoop]: 1756 mSDtfsCounter, 1990 mSDsluCounter, 1756 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 3512 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:28,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1992 Valid, 3512 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-14 05:32:28,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2022-12-14 05:32:28,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1477. [2022-12-14 05:32:28,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1477 states, 811 states have (on average 1.2157829839704068) internal successors, (986), 858 states have internal predecessors, (986), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-12-14 05:32:28,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 2016 transitions. [2022-12-14 05:32:28,824 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 2016 transitions. Word has length 71 [2022-12-14 05:32:28,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:28,825 INFO L495 AbstractCegarLoop]: Abstraction has 1477 states and 2016 transitions. [2022-12-14 05:32:28,825 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, (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 05:32:28,825 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2016 transitions. [2022-12-14 05:32:28,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-12-14 05:32:28,826 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:28,826 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:32:28,826 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-14 05:32:28,826 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:28,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:28,827 INFO L85 PathProgramCache]: Analyzing trace with hash 2117969096, now seen corresponding path program 1 times [2022-12-14 05:32:28,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:28,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310811397] [2022-12-14 05:32:28,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:28,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:28,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:29,449 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:32:29,450 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:29,450 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310811397] [2022-12-14 05:32:29,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310811397] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:29,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:29,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:32:29,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700094306] [2022-12-14 05:32:29,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:29,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:32:29,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:29,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:32:29,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:32:29,451 INFO L87 Difference]: Start difference. First operand 1477 states and 2016 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, (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 05:32:30,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:30,895 INFO L93 Difference]: Finished difference Result 1477 states and 2016 transitions. [2022-12-14 05:32:30,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:32:30,895 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, (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 76 [2022-12-14 05:32:30,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:30,900 INFO L225 Difference]: With dead ends: 1477 [2022-12-14 05:32:30,900 INFO L226 Difference]: Without dead ends: 1475 [2022-12-14 05:32:30,901 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 05:32:30,902 INFO L413 NwaCegarLoop]: 1754 mSDtfsCounter, 1987 mSDsluCounter, 1754 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 3508 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:30,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 3508 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 05:32:30,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1475 states. [2022-12-14 05:32:30,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1475 to 1475. [2022-12-14 05:32:30,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1475 states, 810 states have (on average 1.2148148148148148) internal successors, (984), 856 states have internal predecessors, (984), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-12-14 05:32:30,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 2014 transitions. [2022-12-14 05:32:30,981 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 2014 transitions. Word has length 76 [2022-12-14 05:32:30,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:30,981 INFO L495 AbstractCegarLoop]: Abstraction has 1475 states and 2014 transitions. [2022-12-14 05:32:30,982 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, (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 05:32:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 2014 transitions. [2022-12-14 05:32:30,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-12-14 05:32:30,982 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:30,982 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:32:30,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-14 05:32:30,983 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:30,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:30,983 INFO L85 PathProgramCache]: Analyzing trace with hash -1729090528, now seen corresponding path program 1 times [2022-12-14 05:32:30,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:30,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622096725] [2022-12-14 05:32:30,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:30,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:31,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:32:31,593 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:31,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622096725] [2022-12-14 05:32:31,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622096725] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:31,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:31,594 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:32:31,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932611163] [2022-12-14 05:32:31,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:31,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:32:31,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:31,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:32:31,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:32:31,595 INFO L87 Difference]: Start difference. First operand 1475 states and 2014 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, (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 05:32:33,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:33,118 INFO L93 Difference]: Finished difference Result 1475 states and 2014 transitions. [2022-12-14 05:32:33,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:32:33,119 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, (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 81 [2022-12-14 05:32:33,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:33,123 INFO L225 Difference]: With dead ends: 1475 [2022-12-14 05:32:33,123 INFO L226 Difference]: Without dead ends: 1473 [2022-12-14 05:32:33,124 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 05:32:33,125 INFO L413 NwaCegarLoop]: 1752 mSDtfsCounter, 1984 mSDsluCounter, 1752 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1986 SdHoareTripleChecker+Valid, 3504 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:33,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1986 Valid, 3504 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 05:32:33,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2022-12-14 05:32:33,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1473. [2022-12-14 05:32:33,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1473 states, 809 states have (on average 1.2138442521631645) internal successors, (982), 854 states have internal predecessors, (982), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-12-14 05:32:33,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 2012 transitions. [2022-12-14 05:32:33,191 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 2012 transitions. Word has length 81 [2022-12-14 05:32:33,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:33,192 INFO L495 AbstractCegarLoop]: Abstraction has 1473 states and 2012 transitions. [2022-12-14 05:32:33,192 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, (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 05:32:33,192 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 2012 transitions. [2022-12-14 05:32:33,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-12-14 05:32:33,193 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:33,193 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:32:33,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-14 05:32:33,193 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:33,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:33,194 INFO L85 PathProgramCache]: Analyzing trace with hash 975700827, now seen corresponding path program 1 times [2022-12-14 05:32:33,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:33,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309156630] [2022-12-14 05:32:33,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:33,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:33,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:33,831 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:32:33,831 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:33,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309156630] [2022-12-14 05:32:33,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309156630] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:33,831 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:33,831 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:32:33,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253486007] [2022-12-14 05:32:33,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:33,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:32:33,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:33,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:32:33,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:32:33,833 INFO L87 Difference]: Start difference. First operand 1473 states and 2012 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 05:32:35,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:35,189 INFO L93 Difference]: Finished difference Result 1473 states and 2012 transitions. [2022-12-14 05:32:35,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:32:35,190 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 86 [2022-12-14 05:32:35,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:35,197 INFO L225 Difference]: With dead ends: 1473 [2022-12-14 05:32:35,197 INFO L226 Difference]: Without dead ends: 1471 [2022-12-14 05:32:35,198 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 05:32:35,198 INFO L413 NwaCegarLoop]: 1750 mSDtfsCounter, 1985 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1987 SdHoareTripleChecker+Valid, 3496 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:35,198 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1987 Valid, 3496 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 05:32:35,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2022-12-14 05:32:35,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1471. [2022-12-14 05:32:35,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 808 states have (on average 1.2128712871287128) internal successors, (980), 852 states have internal predecessors, (980), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-12-14 05:32:35,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2010 transitions. [2022-12-14 05:32:35,266 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2010 transitions. Word has length 86 [2022-12-14 05:32:35,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:35,266 INFO L495 AbstractCegarLoop]: Abstraction has 1471 states and 2010 transitions. [2022-12-14 05:32:35,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 05:32:35,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2010 transitions. [2022-12-14 05:32:35,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-12-14 05:32:35,267 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:35,267 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:32:35,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-14 05:32:35,268 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:35,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:35,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1345762910, now seen corresponding path program 1 times [2022-12-14 05:32:35,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:35,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873709614] [2022-12-14 05:32:35,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:35,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:35,849 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:32:35,849 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:35,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873709614] [2022-12-14 05:32:35,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873709614] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:35,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:35,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:32:35,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1087914440] [2022-12-14 05:32:35,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:35,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:32:35,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:35,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:32:35,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:32:35,851 INFO L87 Difference]: Start difference. First operand 1471 states and 2010 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, (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 05:32:37,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:37,094 INFO L93 Difference]: Finished difference Result 1471 states and 2010 transitions. [2022-12-14 05:32:37,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:32:37,094 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, (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 88 [2022-12-14 05:32:37,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:37,099 INFO L225 Difference]: With dead ends: 1471 [2022-12-14 05:32:37,099 INFO L226 Difference]: Without dead ends: 1469 [2022-12-14 05:32:37,099 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 05:32:37,100 INFO L413 NwaCegarLoop]: 1748 mSDtfsCounter, 1977 mSDsluCounter, 1748 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1979 SdHoareTripleChecker+Valid, 3496 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:37,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1979 Valid, 3496 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-12-14 05:32:37,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2022-12-14 05:32:37,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1469. [2022-12-14 05:32:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 807 states have (on average 1.211895910780669) internal successors, (978), 850 states have internal predecessors, (978), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-12-14 05:32:37,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2008 transitions. [2022-12-14 05:32:37,172 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2008 transitions. Word has length 88 [2022-12-14 05:32:37,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:37,172 INFO L495 AbstractCegarLoop]: Abstraction has 1469 states and 2008 transitions. [2022-12-14 05:32:37,172 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, (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 05:32:37,172 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2008 transitions. [2022-12-14 05:32:37,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-12-14 05:32:37,173 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:37,173 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:32:37,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-14 05:32:37,173 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:37,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:37,174 INFO L85 PathProgramCache]: Analyzing trace with hash 1519090999, now seen corresponding path program 1 times [2022-12-14 05:32:37,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:37,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438822450] [2022-12-14 05:32:37,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:37,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:37,777 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:32:37,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:37,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438822450] [2022-12-14 05:32:37,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438822450] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:37,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:37,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:32:37,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29483254] [2022-12-14 05:32:37,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:37,778 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:32:37,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:37,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:32:37,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:32:37,779 INFO L87 Difference]: Start difference. First operand 1469 states and 2008 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, (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 05:32:39,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:39,255 INFO L93 Difference]: Finished difference Result 1469 states and 2008 transitions. [2022-12-14 05:32:39,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:32:39,255 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, (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 93 [2022-12-14 05:32:39,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:39,262 INFO L225 Difference]: With dead ends: 1469 [2022-12-14 05:32:39,262 INFO L226 Difference]: Without dead ends: 1467 [2022-12-14 05:32:39,262 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 05:32:39,262 INFO L413 NwaCegarLoop]: 1746 mSDtfsCounter, 1976 mSDsluCounter, 1746 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1978 SdHoareTripleChecker+Valid, 3492 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:39,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1978 Valid, 3492 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 05:32:39,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2022-12-14 05:32:39,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1467. [2022-12-14 05:32:39,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 806 states have (on average 1.2109181141439207) internal successors, (976), 848 states have internal predecessors, (976), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-12-14 05:32:39,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2006 transitions. [2022-12-14 05:32:39,337 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2006 transitions. Word has length 93 [2022-12-14 05:32:39,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:39,337 INFO L495 AbstractCegarLoop]: Abstraction has 1467 states and 2006 transitions. [2022-12-14 05:32:39,338 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, (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 05:32:39,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2006 transitions. [2022-12-14 05:32:39,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-12-14 05:32:39,338 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:39,339 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-14 05:32:39,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-14 05:32:39,339 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:39,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:39,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1507798436, now seen corresponding path program 1 times [2022-12-14 05:32:39,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:39,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529123215] [2022-12-14 05:32:39,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:39,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:40,031 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-12-14 05:32:40,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:40,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529123215] [2022-12-14 05:32:40,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529123215] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:40,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:40,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:32:40,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395584124] [2022-12-14 05:32:40,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:40,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:32:40,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:40,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:32:40,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:32:40,034 INFO L87 Difference]: Start difference. First operand 1467 states and 2006 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 05:32:41,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:41,111 INFO L93 Difference]: Finished difference Result 2067 states and 2727 transitions. [2022-12-14 05:32:41,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:32:41,111 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 122 [2022-12-14 05:32:41,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:41,116 INFO L225 Difference]: With dead ends: 2067 [2022-12-14 05:32:41,116 INFO L226 Difference]: Without dead ends: 1463 [2022-12-14 05:32:41,118 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 05:32:41,118 INFO L413 NwaCegarLoop]: 1742 mSDtfsCounter, 1992 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1992 SdHoareTripleChecker+Valid, 1742 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:41,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1992 Valid, 1742 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-14 05:32:41,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2022-12-14 05:32:41,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1463. [2022-12-14 05:32:41,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 803 states have (on average 1.2092154420921544) internal successors, (971), 844 states have internal predecessors, (971), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-12-14 05:32:41,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 2001 transitions. [2022-12-14 05:32:41,201 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 2001 transitions. Word has length 122 [2022-12-14 05:32:41,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:41,202 INFO L495 AbstractCegarLoop]: Abstraction has 1463 states and 2001 transitions. [2022-12-14 05:32:41,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-14 05:32:41,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 2001 transitions. [2022-12-14 05:32:41,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-12-14 05:32:41,203 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:41,203 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:32:41,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-14 05:32:41,204 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:41,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:41,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1590531111, now seen corresponding path program 1 times [2022-12-14 05:32:41,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:41,204 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537128937] [2022-12-14 05:32:41,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:41,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:41,875 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:32:41,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:41,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537128937] [2022-12-14 05:32:41,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537128937] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:41,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:41,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:32:41,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058921299] [2022-12-14 05:32:41,876 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:41,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:32:41,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:41,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:32:41,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:32:41,877 INFO L87 Difference]: Start difference. First operand 1463 states and 2001 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 05:32:43,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:43,389 INFO L93 Difference]: Finished difference Result 1463 states and 2001 transitions. [2022-12-14 05:32:43,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:32:43,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 98 [2022-12-14 05:32:43,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:43,393 INFO L225 Difference]: With dead ends: 1463 [2022-12-14 05:32:43,394 INFO L226 Difference]: Without dead ends: 1461 [2022-12-14 05:32:43,394 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 05:32:43,394 INFO L413 NwaCegarLoop]: 1739 mSDtfsCounter, 1968 mSDsluCounter, 1739 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1970 SdHoareTripleChecker+Valid, 3478 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:43,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1970 Valid, 3478 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 05:32:43,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2022-12-14 05:32:43,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 1461. [2022-12-14 05:32:43,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 802 states have (on average 1.2082294264339153) internal successors, (969), 842 states have internal predecessors, (969), 516 states have call successors, (516), 122 states have call predecessors, (516), 121 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-12-14 05:32:43,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 1999 transitions. [2022-12-14 05:32:43,477 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 1999 transitions. Word has length 98 [2022-12-14 05:32:43,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:43,478 INFO L495 AbstractCegarLoop]: Abstraction has 1461 states and 1999 transitions. [2022-12-14 05:32:43,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 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 05:32:43,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1999 transitions. [2022-12-14 05:32:43,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-12-14 05:32:43,479 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:43,479 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-14 05:32:43,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-14 05:32:43,479 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:43,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:43,480 INFO L85 PathProgramCache]: Analyzing trace with hash -743965995, now seen corresponding path program 1 times [2022-12-14 05:32:43,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:43,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114851633] [2022-12-14 05:32:43,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:43,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:43,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:45,307 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-12-14 05:32:45,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:45,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114851633] [2022-12-14 05:32:45,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114851633] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:45,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:45,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-14 05:32:45,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040453889] [2022-12-14 05:32:45,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:45,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 05:32:45,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:45,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 05:32:45,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-14 05:32:45,309 INFO L87 Difference]: Start difference. First operand 1461 states and 1999 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 05:32:48,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:48,675 INFO L93 Difference]: Finished difference Result 1465 states and 2001 transitions. [2022-12-14 05:32:48,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:32:48,676 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) Word has length 129 [2022-12-14 05:32:48,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:48,682 INFO L225 Difference]: With dead ends: 1465 [2022-12-14 05:32:48,683 INFO L226 Difference]: Without dead ends: 1463 [2022-12-14 05:32:48,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-14 05:32:48,684 INFO L413 NwaCegarLoop]: 1738 mSDtfsCounter, 1944 mSDsluCounter, 4195 mSDsCounter, 0 mSdLazyCounter, 2064 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 5933 SdHoareTripleChecker+Invalid, 2065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:48,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1952 Valid, 5933 Invalid, 2065 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2064 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-14 05:32:48,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2022-12-14 05:32:48,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1463. [2022-12-14 05:32:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1463 states, 803 states have (on average 1.2067247820672478) internal successors, (969), 842 states have internal predecessors, (969), 516 states have call successors, (516), 124 states have call predecessors, (516), 123 states have return successors, (514), 512 states have call predecessors, (514), 514 states have call successors, (514) [2022-12-14 05:32:48,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1463 states and 1999 transitions. [2022-12-14 05:32:48,780 INFO L78 Accepts]: Start accepts. Automaton has 1463 states and 1999 transitions. Word has length 129 [2022-12-14 05:32:48,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:48,781 INFO L495 AbstractCegarLoop]: Abstraction has 1463 states and 1999 transitions. [2022-12-14 05:32:48,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 05:32:48,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1999 transitions. [2022-12-14 05:32:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-14 05:32:48,782 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:48,782 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-14 05:32:48,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-14 05:32:48,782 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:48,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:48,783 INFO L85 PathProgramCache]: Analyzing trace with hash 265179054, now seen corresponding path program 1 times [2022-12-14 05:32:48,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:48,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552868555] [2022-12-14 05:32:48,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:48,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:49,375 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2022-12-14 05:32:49,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:49,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552868555] [2022-12-14 05:32:49,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552868555] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:32:49,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371204299] [2022-12-14 05:32:49,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:49,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:32:49,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:32:49,377 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:32:49,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 05:32:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:50,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 7756 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 05:32:50,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:32:50,680 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-12-14 05:32:50,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:32:50,680 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371204299] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:50,680 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:32:50,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2022-12-14 05:32:50,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749663705] [2022-12-14 05:32:50,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:50,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:32:50,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:50,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:32:50,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:32:50,681 INFO L87 Difference]: Start difference. First operand 1463 states and 1999 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 05:32:51,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:51,786 INFO L93 Difference]: Finished difference Result 2074 states and 2728 transitions. [2022-12-14 05:32:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:32:51,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 127 [2022-12-14 05:32:51,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:51,793 INFO L225 Difference]: With dead ends: 2074 [2022-12-14 05:32:51,793 INFO L226 Difference]: Without dead ends: 1481 [2022-12-14 05:32:51,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:32:51,795 INFO L413 NwaCegarLoop]: 1745 mSDtfsCounter, 1941 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 1795 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:51,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1941 Valid, 1795 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 05:32:51,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1481 states. [2022-12-14 05:32:51,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1481 to 1479. [2022-12-14 05:32:51,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1479 states, 810 states have (on average 1.202469135802469) internal successors, (974), 849 states have internal predecessors, (974), 520 states have call successors, (520), 130 states have call predecessors, (520), 129 states have return successors, (518), 515 states have call predecessors, (518), 518 states have call successors, (518) [2022-12-14 05:32:51,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1479 states and 2012 transitions. [2022-12-14 05:32:51,902 INFO L78 Accepts]: Start accepts. Automaton has 1479 states and 2012 transitions. Word has length 127 [2022-12-14 05:32:51,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:51,902 INFO L495 AbstractCegarLoop]: Abstraction has 1479 states and 2012 transitions. [2022-12-14 05:32:51,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-14 05:32:51,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 2012 transitions. [2022-12-14 05:32:51,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-12-14 05:32:51,903 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:51,903 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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 05:32:51,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 05:32:52,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:32:52,105 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:52,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:52,106 INFO L85 PathProgramCache]: Analyzing trace with hash 2048474350, now seen corresponding path program 1 times [2022-12-14 05:32:52,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:52,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42436376] [2022-12-14 05:32:52,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:52,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:52,731 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:32:52,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:52,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42436376] [2022-12-14 05:32:52,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42436376] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:52,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:52,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:32:52,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905526843] [2022-12-14 05:32:52,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:52,732 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:32:52,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:52,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:32:52,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:32:52,733 INFO L87 Difference]: Start difference. First operand 1479 states and 2012 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 05:32:54,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:54,131 INFO L93 Difference]: Finished difference Result 1479 states and 2012 transitions. [2022-12-14 05:32:54,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:32:54,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 103 [2022-12-14 05:32:54,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:54,136 INFO L225 Difference]: With dead ends: 1479 [2022-12-14 05:32:54,136 INFO L226 Difference]: Without dead ends: 1477 [2022-12-14 05:32:54,136 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 05:32:54,137 INFO L413 NwaCegarLoop]: 1730 mSDtfsCounter, 1958 mSDsluCounter, 1730 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1960 SdHoareTripleChecker+Valid, 3460 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:54,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1960 Valid, 3460 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 05:32:54,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2022-12-14 05:32:54,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 1477. [2022-12-14 05:32:54,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1477 states, 809 states have (on average 1.2014833127317677) internal successors, (972), 847 states have internal predecessors, (972), 520 states have call successors, (520), 130 states have call predecessors, (520), 129 states have return successors, (518), 515 states have call predecessors, (518), 518 states have call successors, (518) [2022-12-14 05:32:54,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1477 states to 1477 states and 2010 transitions. [2022-12-14 05:32:54,241 INFO L78 Accepts]: Start accepts. Automaton has 1477 states and 2010 transitions. Word has length 103 [2022-12-14 05:32:54,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:54,242 INFO L495 AbstractCegarLoop]: Abstraction has 1477 states and 2010 transitions. [2022-12-14 05:32:54,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 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 05:32:54,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 2010 transitions. [2022-12-14 05:32:54,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-12-14 05:32:54,243 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:54,243 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-14 05:32:54,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-14 05:32:54,243 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:54,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:54,244 INFO L85 PathProgramCache]: Analyzing trace with hash 166280254, now seen corresponding path program 1 times [2022-12-14 05:32:54,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:54,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020708804] [2022-12-14 05:32:54,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:54,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:54,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:54,723 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-12-14 05:32:54,724 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:54,724 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020708804] [2022-12-14 05:32:54,724 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020708804] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:54,724 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:54,724 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 05:32:54,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399512803] [2022-12-14 05:32:54,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:54,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 05:32:54,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:54,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 05:32:54,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 05:32:54,725 INFO L87 Difference]: Start difference. First operand 1477 states and 2010 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 05:32:55,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:55,709 INFO L93 Difference]: Finished difference Result 2876 states and 4016 transitions. [2022-12-14 05:32:55,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 05:32:55,710 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 135 [2022-12-14 05:32:55,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:55,715 INFO L225 Difference]: With dead ends: 2876 [2022-12-14 05:32:55,715 INFO L226 Difference]: Without dead ends: 1473 [2022-12-14 05:32:55,718 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 05:32:55,719 INFO L413 NwaCegarLoop]: 1726 mSDtfsCounter, 1950 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 259 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:55,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1950 Valid, 1726 Invalid, 259 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-12-14 05:32:55,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2022-12-14 05:32:55,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 1473. [2022-12-14 05:32:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1473 states, 806 states have (on average 1.1997518610421836) internal successors, (967), 843 states have internal predecessors, (967), 520 states have call successors, (520), 130 states have call predecessors, (520), 129 states have return successors, (518), 515 states have call predecessors, (518), 518 states have call successors, (518) [2022-12-14 05:32:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1473 states to 1473 states and 2005 transitions. [2022-12-14 05:32:55,854 INFO L78 Accepts]: Start accepts. Automaton has 1473 states and 2005 transitions. Word has length 135 [2022-12-14 05:32:55,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:55,854 INFO L495 AbstractCegarLoop]: Abstraction has 1473 states and 2005 transitions. [2022-12-14 05:32:55,855 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-14 05:32:55,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 2005 transitions. [2022-12-14 05:32:55,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 05:32:55,856 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:55,856 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:32:55,856 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-14 05:32:55,856 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:55,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:55,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1098183229, now seen corresponding path program 1 times [2022-12-14 05:32:55,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:55,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351829897] [2022-12-14 05:32:55,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:55,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:56,446 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:32:56,447 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:56,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351829897] [2022-12-14 05:32:56,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351829897] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:56,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:56,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:32:56,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751404143] [2022-12-14 05:32:56,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:56,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:32:56,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:56,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:32:56,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:32:56,449 INFO L87 Difference]: Start difference. First operand 1473 states and 2005 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 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 05:32:58,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:32:58,106 INFO L93 Difference]: Finished difference Result 1473 states and 2005 transitions. [2022-12-14 05:32:58,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:32:58,106 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), 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 108 [2022-12-14 05:32:58,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:32:58,113 INFO L225 Difference]: With dead ends: 1473 [2022-12-14 05:32:58,113 INFO L226 Difference]: Without dead ends: 1471 [2022-12-14 05:32:58,114 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 05:32:58,114 INFO L413 NwaCegarLoop]: 1723 mSDtfsCounter, 1950 mSDsluCounter, 1723 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 3446 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:32:58,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1952 Valid, 3446 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 05:32:58,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2022-12-14 05:32:58,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 1471. [2022-12-14 05:32:58,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1471 states, 805 states have (on average 1.1987577639751552) internal successors, (965), 841 states have internal predecessors, (965), 520 states have call successors, (520), 130 states have call predecessors, (520), 129 states have return successors, (518), 515 states have call predecessors, (518), 518 states have call successors, (518) [2022-12-14 05:32:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1471 states and 2003 transitions. [2022-12-14 05:32:58,225 INFO L78 Accepts]: Start accepts. Automaton has 1471 states and 2003 transitions. Word has length 108 [2022-12-14 05:32:58,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:32:58,225 INFO L495 AbstractCegarLoop]: Abstraction has 1471 states and 2003 transitions. [2022-12-14 05:32:58,225 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), 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 05:32:58,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1471 states and 2003 transitions. [2022-12-14 05:32:58,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 05:32:58,226 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:32:58,226 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:32:58,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-14 05:32:58,227 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:32:58,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:32:58,227 INFO L85 PathProgramCache]: Analyzing trace with hash 917385365, now seen corresponding path program 1 times [2022-12-14 05:32:58,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:32:58,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183331076] [2022-12-14 05:32:58,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:32:58,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:32:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:32:58,815 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:32:58,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:32:58,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183331076] [2022-12-14 05:32:58,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183331076] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:32:58,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:32:58,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:32:58,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343967368] [2022-12-14 05:32:58,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:32:58,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:32:58,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:32:58,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:32:58,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:32:58,816 INFO L87 Difference]: Start difference. First operand 1471 states and 2003 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 05:33:00,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:00,356 INFO L93 Difference]: Finished difference Result 1471 states and 2003 transitions. [2022-12-14 05:33:00,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:33:00,357 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 113 [2022-12-14 05:33:00,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:00,361 INFO L225 Difference]: With dead ends: 1471 [2022-12-14 05:33:00,362 INFO L226 Difference]: Without dead ends: 1469 [2022-12-14 05:33:00,362 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 05:33:00,362 INFO L413 NwaCegarLoop]: 1721 mSDtfsCounter, 1947 mSDsluCounter, 1721 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1949 SdHoareTripleChecker+Valid, 3442 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:00,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1949 Valid, 3442 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 05:33:00,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2022-12-14 05:33:00,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 1469. [2022-12-14 05:33:00,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1469 states, 804 states have (on average 1.1977611940298507) internal successors, (963), 839 states have internal predecessors, (963), 520 states have call successors, (520), 130 states have call predecessors, (520), 129 states have return successors, (518), 515 states have call predecessors, (518), 518 states have call successors, (518) [2022-12-14 05:33:00,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 2001 transitions. [2022-12-14 05:33:00,476 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 2001 transitions. Word has length 113 [2022-12-14 05:33:00,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:00,476 INFO L495 AbstractCegarLoop]: Abstraction has 1469 states and 2001 transitions. [2022-12-14 05:33:00,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 05:33:00,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2001 transitions. [2022-12-14 05:33:00,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-12-14 05:33:00,477 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:00,477 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:33:00,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-14 05:33:00,478 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:33:00,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:00,478 INFO L85 PathProgramCache]: Analyzing trace with hash -141430124, now seen corresponding path program 1 times [2022-12-14 05:33:00,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:33:00,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938201240] [2022-12-14 05:33:00,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:00,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:33:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:01,083 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:33:01,083 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:33:01,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938201240] [2022-12-14 05:33:01,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938201240] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:01,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:33:01,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:33:01,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992145641] [2022-12-14 05:33:01,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:01,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:33:01,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:33:01,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:33:01,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:33:01,084 INFO L87 Difference]: Start difference. First operand 1469 states and 2001 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 05:33:02,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:02,579 INFO L93 Difference]: Finished difference Result 1469 states and 2001 transitions. [2022-12-14 05:33:02,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:33:02,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 118 [2022-12-14 05:33:02,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:02,587 INFO L225 Difference]: With dead ends: 1469 [2022-12-14 05:33:02,587 INFO L226 Difference]: Without dead ends: 1467 [2022-12-14 05:33:02,588 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 05:33:02,588 INFO L413 NwaCegarLoop]: 1719 mSDtfsCounter, 1944 mSDsluCounter, 1719 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1946 SdHoareTripleChecker+Valid, 3438 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:02,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1946 Valid, 3438 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 05:33:02,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1467 states. [2022-12-14 05:33:02,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1467 to 1467. [2022-12-14 05:33:02,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1467 states, 803 states have (on average 1.1967621419676213) internal successors, (961), 837 states have internal predecessors, (961), 520 states have call successors, (520), 130 states have call predecessors, (520), 129 states have return successors, (518), 515 states have call predecessors, (518), 518 states have call successors, (518) [2022-12-14 05:33:02,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 1999 transitions. [2022-12-14 05:33:02,801 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 1999 transitions. Word has length 118 [2022-12-14 05:33:02,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:02,802 INFO L495 AbstractCegarLoop]: Abstraction has 1467 states and 1999 transitions. [2022-12-14 05:33:02,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 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 05:33:02,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1999 transitions. [2022-12-14 05:33:02,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 05:33:02,803 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:02,804 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:33:02,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-14 05:33:02,804 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:33:02,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:02,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1231992060, now seen corresponding path program 1 times [2022-12-14 05:33:02,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:33:02,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852675700] [2022-12-14 05:33:02,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:02,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:33:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:04,177 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:33:04,178 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:33:04,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852675700] [2022-12-14 05:33:04,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852675700] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:04,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:33:04,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:33:04,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281512883] [2022-12-14 05:33:04,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:04,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:33:04,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:33:04,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:33:04,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:33:04,179 INFO L87 Difference]: Start difference. First operand 1467 states and 1999 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 05:33:05,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:05,840 INFO L93 Difference]: Finished difference Result 1467 states and 1999 transitions. [2022-12-14 05:33:05,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:33:05,841 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 123 [2022-12-14 05:33:05,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:05,846 INFO L225 Difference]: With dead ends: 1467 [2022-12-14 05:33:05,846 INFO L226 Difference]: Without dead ends: 1465 [2022-12-14 05:33:05,847 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 05:33:05,848 INFO L413 NwaCegarLoop]: 1717 mSDtfsCounter, 1941 mSDsluCounter, 1717 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1943 SdHoareTripleChecker+Valid, 3434 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:05,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1943 Valid, 3434 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-14 05:33:05,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2022-12-14 05:33:05,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1465. [2022-12-14 05:33:05,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1465 states, 802 states have (on average 1.1957605985037407) internal successors, (959), 835 states have internal predecessors, (959), 520 states have call successors, (520), 130 states have call predecessors, (520), 129 states have return successors, (518), 515 states have call predecessors, (518), 518 states have call successors, (518) [2022-12-14 05:33:05,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1465 states to 1465 states and 1997 transitions. [2022-12-14 05:33:05,986 INFO L78 Accepts]: Start accepts. Automaton has 1465 states and 1997 transitions. Word has length 123 [2022-12-14 05:33:05,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:05,986 INFO L495 AbstractCegarLoop]: Abstraction has 1465 states and 1997 transitions. [2022-12-14 05:33:05,986 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 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 05:33:05,986 INFO L276 IsEmpty]: Start isEmpty. Operand 1465 states and 1997 transitions. [2022-12-14 05:33:05,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-12-14 05:33:05,987 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:05,987 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:33:05,987 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-14 05:33:05,988 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:33:05,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:05,988 INFO L85 PathProgramCache]: Analyzing trace with hash -133790125, now seen corresponding path program 1 times [2022-12-14 05:33:05,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:33:05,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009372598] [2022-12-14 05:33:05,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:05,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:33:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:06,592 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:33:06,592 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:33:06,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009372598] [2022-12-14 05:33:06,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009372598] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:06,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:33:06,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:33:06,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626822501] [2022-12-14 05:33:06,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:06,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:33:06,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:33:06,594 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:33:06,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:33:06,594 INFO L87 Difference]: Start difference. First operand 1465 states and 1997 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 05:33:08,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:08,187 INFO L93 Difference]: Finished difference Result 1765 states and 2362 transitions. [2022-12-14 05:33:08,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:33:08,187 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 128 [2022-12-14 05:33:08,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:08,197 INFO L225 Difference]: With dead ends: 1765 [2022-12-14 05:33:08,198 INFO L226 Difference]: Without dead ends: 1763 [2022-12-14 05:33:08,198 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 05:33:08,199 INFO L413 NwaCegarLoop]: 1805 mSDtfsCounter, 1879 mSDsluCounter, 2160 mSDsCounter, 0 mSdLazyCounter, 585 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1881 SdHoareTripleChecker+Valid, 3965 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:08,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1881 Valid, 3965 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 585 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 05:33:08,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2022-12-14 05:33:08,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1753. [2022-12-14 05:33:08,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1753 states, 961 states have (on average 1.1831425598335068) internal successors, (1137), 993 states have internal predecessors, (1137), 610 states have call successors, (610), 170 states have call predecessors, (610), 169 states have return successors, (608), 605 states have call predecessors, (608), 608 states have call successors, (608) [2022-12-14 05:33:08,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1753 states to 1753 states and 2355 transitions. [2022-12-14 05:33:08,395 INFO L78 Accepts]: Start accepts. Automaton has 1753 states and 2355 transitions. Word has length 128 [2022-12-14 05:33:08,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:08,396 INFO L495 AbstractCegarLoop]: Abstraction has 1753 states and 2355 transitions. [2022-12-14 05:33:08,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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 05:33:08,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2355 transitions. [2022-12-14 05:33:08,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-14 05:33:08,397 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:08,397 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:33:08,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-14 05:33:08,397 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:33:08,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:08,398 INFO L85 PathProgramCache]: Analyzing trace with hash -672918141, now seen corresponding path program 1 times [2022-12-14 05:33:08,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:33:08,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213934691] [2022-12-14 05:33:08,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:08,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:33:08,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:09,007 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:33:09,007 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:33:09,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213934691] [2022-12-14 05:33:09,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213934691] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:09,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:33:09,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:33:09,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519666331] [2022-12-14 05:33:09,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:09,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:33:09,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:33:09,009 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:33:09,009 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:33:09,009 INFO L87 Difference]: Start difference. First operand 1753 states and 2355 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 05:33:10,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:10,562 INFO L93 Difference]: Finished difference Result 1753 states and 2355 transitions. [2022-12-14 05:33:10,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:33:10,563 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 133 [2022-12-14 05:33:10,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:10,566 INFO L225 Difference]: With dead ends: 1753 [2022-12-14 05:33:10,567 INFO L226 Difference]: Without dead ends: 1751 [2022-12-14 05:33:10,567 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 05:33:10,567 INFO L413 NwaCegarLoop]: 1713 mSDtfsCounter, 1935 mSDsluCounter, 1713 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1937 SdHoareTripleChecker+Valid, 3426 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:10,568 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1937 Valid, 3426 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 05:33:10,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1751 states. [2022-12-14 05:33:10,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1751 to 1751. [2022-12-14 05:33:10,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1751 states, 960 states have (on average 1.1822916666666667) internal successors, (1135), 991 states have internal predecessors, (1135), 610 states have call successors, (610), 170 states have call predecessors, (610), 169 states have return successors, (608), 605 states have call predecessors, (608), 608 states have call successors, (608) [2022-12-14 05:33:10,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1751 states and 2353 transitions. [2022-12-14 05:33:10,733 INFO L78 Accepts]: Start accepts. Automaton has 1751 states and 2353 transitions. Word has length 133 [2022-12-14 05:33:10,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:10,734 INFO L495 AbstractCegarLoop]: Abstraction has 1751 states and 2353 transitions. [2022-12-14 05:33:10,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 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 05:33:10,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1751 states and 2353 transitions. [2022-12-14 05:33:10,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-12-14 05:33:10,735 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:10,735 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2022-12-14 05:33:10,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-14 05:33:10,735 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:33:10,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:10,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1635854204, now seen corresponding path program 1 times [2022-12-14 05:33:10,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:33:10,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379892592] [2022-12-14 05:33:10,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:10,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:33:10,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:12,059 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-12-14 05:33:12,059 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:33:12,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379892592] [2022-12-14 05:33:12,060 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379892592] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:12,060 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:33:12,060 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:33:12,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9354368] [2022-12-14 05:33:12,060 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:12,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:33:12,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:33:12,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:33:12,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:33:12,061 INFO L87 Difference]: Start difference. First operand 1751 states and 2353 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 05:33:14,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:14,404 INFO L93 Difference]: Finished difference Result 2070 states and 2734 transitions. [2022-12-14 05:33:14,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:33:14,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 170 [2022-12-14 05:33:14,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:14,409 INFO L225 Difference]: With dead ends: 2070 [2022-12-14 05:33:14,409 INFO L226 Difference]: Without dead ends: 2068 [2022-12-14 05:33:14,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:33:14,410 INFO L413 NwaCegarLoop]: 1972 mSDtfsCounter, 1536 mSDsluCounter, 4629 mSDsCounter, 0 mSdLazyCounter, 1014 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1537 SdHoareTripleChecker+Valid, 6601 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:14,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1537 Valid, 6601 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1014 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 05:33:14,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2068 states. [2022-12-14 05:33:14,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2068 to 2060. [2022-12-14 05:33:14,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2060 states, 1130 states have (on average 1.1761061946902656) internal successors, (1329), 1162 states have internal predecessors, (1329), 700 states have call successors, (700), 220 states have call predecessors, (700), 219 states have return successors, (698), 695 states have call predecessors, (698), 698 states have call successors, (698) [2022-12-14 05:33:14,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 2060 states and 2727 transitions. [2022-12-14 05:33:14,610 INFO L78 Accepts]: Start accepts. Automaton has 2060 states and 2727 transitions. Word has length 170 [2022-12-14 05:33:14,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:14,610 INFO L495 AbstractCegarLoop]: Abstraction has 2060 states and 2727 transitions. [2022-12-14 05:33:14,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-14 05:33:14,610 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2727 transitions. [2022-12-14 05:33:14,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-14 05:33:14,612 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:14,612 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:33:14,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-12-14 05:33:14,612 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:33:14,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:14,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1051316597, now seen corresponding path program 1 times [2022-12-14 05:33:14,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:33:14,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638363134] [2022-12-14 05:33:14,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:14,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:33:14,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:15,236 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:33:15,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:33:15,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638363134] [2022-12-14 05:33:15,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638363134] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:15,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:33:15,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:33:15,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284369211] [2022-12-14 05:33:15,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:15,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:33:15,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:33:15,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:33:15,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:33:15,239 INFO L87 Difference]: Start difference. First operand 2060 states and 2727 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 05:33:17,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:17,741 INFO L93 Difference]: Finished difference Result 2936 states and 3861 transitions. [2022-12-14 05:33:17,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:33:17,741 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 138 [2022-12-14 05:33:17,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:17,748 INFO L225 Difference]: With dead ends: 2936 [2022-12-14 05:33:17,748 INFO L226 Difference]: Without dead ends: 2934 [2022-12-14 05:33:17,749 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 05:33:17,749 INFO L413 NwaCegarLoop]: 2206 mSDtfsCounter, 1895 mSDsluCounter, 3154 mSDsCounter, 0 mSdLazyCounter, 746 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1897 SdHoareTripleChecker+Valid, 5360 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 746 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:17,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1897 Valid, 5360 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 746 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 05:33:17,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2934 states. [2022-12-14 05:33:18,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2934 to 2901. [2022-12-14 05:33:18,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2901 states, 1606 states have (on average 1.178082191780822) internal successors, (1892), 1646 states have internal predecessors, (1892), 968 states have call successors, (968), 318 states have call predecessors, (968), 316 states have return successors, (973), 959 states have call predecessors, (973), 966 states have call successors, (973) [2022-12-14 05:33:18,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 3833 transitions. [2022-12-14 05:33:18,037 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 3833 transitions. Word has length 138 [2022-12-14 05:33:18,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:18,038 INFO L495 AbstractCegarLoop]: Abstraction has 2901 states and 3833 transitions. [2022-12-14 05:33:18,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-14 05:33:18,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3833 transitions. [2022-12-14 05:33:18,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-12-14 05:33:18,039 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:18,039 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2022-12-14 05:33:18,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-14 05:33:18,039 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_net_rtnetlink__double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:33:18,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:18,040 INFO L85 PathProgramCache]: Analyzing trace with hash -2128087615, now seen corresponding path program 1 times [2022-12-14 05:33:18,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:33:18,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428066562] [2022-12-14 05:33:18,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:18,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:33:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:18,997 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-12-14 05:33:18,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:33:18,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428066562] [2022-12-14 05:33:18,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428066562] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:18,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:33:18,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:33:18,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2180826] [2022-12-14 05:33:18,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:18,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:33:18,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:33:18,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:33:18,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:33:18,999 INFO L87 Difference]: Start difference. First operand 2901 states and 3833 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 05:33:21,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:21,437 INFO L93 Difference]: Finished difference Result 2909 states and 3837 transitions. [2022-12-14 05:33:21,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:33:21,438 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 173 [2022-12-14 05:33:21,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:21,445 INFO L225 Difference]: With dead ends: 2909 [2022-12-14 05:33:21,445 INFO L226 Difference]: Without dead ends: 2907 [2022-12-14 05:33:21,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-14 05:33:21,446 INFO L413 NwaCegarLoop]: 1797 mSDtfsCounter, 1858 mSDsluCounter, 3944 mSDsCounter, 0 mSdLazyCounter, 850 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1859 SdHoareTripleChecker+Valid, 5741 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 850 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:21,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1859 Valid, 5741 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 850 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 05:33:21,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2907 states. [2022-12-14 05:33:21,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2907 to 2899. [2022-12-14 05:33:21,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2899 states, 1605 states have (on average 1.1769470404984423) internal successors, (1889), 1644 states have internal predecessors, (1889), 968 states have call successors, (968), 318 states have call predecessors, (968), 316 states have return successors, (973), 959 states have call predecessors, (973), 966 states have call successors, (973) [2022-12-14 05:33:21,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 2899 states and 3830 transitions. [2022-12-14 05:33:21,758 INFO L78 Accepts]: Start accepts. Automaton has 2899 states and 3830 transitions. Word has length 173 [2022-12-14 05:33:21,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:21,758 INFO L495 AbstractCegarLoop]: Abstraction has 2899 states and 3830 transitions. [2022-12-14 05:33:21,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 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 05:33:21,758 INFO L276 IsEmpty]: Start isEmpty. Operand 2899 states and 3830 transitions. [2022-12-14 05:33:21,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-14 05:33:21,760 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:21,760 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:33:21,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-14 05:33:21,760 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:33:21,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:21,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1898323208, now seen corresponding path program 1 times [2022-12-14 05:33:21,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:33:21,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219078966] [2022-12-14 05:33:21,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:21,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:33:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:22,366 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:33:22,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:33:22,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219078966] [2022-12-14 05:33:22,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219078966] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:22,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:33:22,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:33:22,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34062022] [2022-12-14 05:33:22,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:22,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:33:22,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:33:22,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:33:22,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:33:22,369 INFO L87 Difference]: Start difference. First operand 2899 states and 3830 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 05:33:24,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:24,043 INFO L93 Difference]: Finished difference Result 2899 states and 3830 transitions. [2022-12-14 05:33:24,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:33:24,043 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 143 [2022-12-14 05:33:24,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:24,050 INFO L225 Difference]: With dead ends: 2899 [2022-12-14 05:33:24,050 INFO L226 Difference]: Without dead ends: 2897 [2022-12-14 05:33:24,051 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 05:33:24,051 INFO L413 NwaCegarLoop]: 1707 mSDtfsCounter, 1927 mSDsluCounter, 1707 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1929 SdHoareTripleChecker+Valid, 3414 SdHoareTripleChecker+Invalid, 517 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:24,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1929 Valid, 3414 Invalid, 517 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-14 05:33:24,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2897 states. [2022-12-14 05:33:24,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2897 to 2897. [2022-12-14 05:33:24,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2897 states, 1604 states have (on average 1.17643391521197) internal successors, (1887), 1642 states have internal predecessors, (1887), 968 states have call successors, (968), 318 states have call predecessors, (968), 316 states have return successors, (973), 959 states have call predecessors, (973), 966 states have call successors, (973) [2022-12-14 05:33:24,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 2897 states and 3828 transitions. [2022-12-14 05:33:24,372 INFO L78 Accepts]: Start accepts. Automaton has 2897 states and 3828 transitions. Word has length 143 [2022-12-14 05:33:24,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:24,372 INFO L495 AbstractCegarLoop]: Abstraction has 2897 states and 3828 transitions. [2022-12-14 05:33:24,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-14 05:33:24,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2897 states and 3828 transitions. [2022-12-14 05:33:24,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-12-14 05:33:24,374 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:24,374 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2022-12-14 05:33:24,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-14 05:33:24,374 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_net_rtnetlink_past_rtnl_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:33:24,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:24,375 INFO L85 PathProgramCache]: Analyzing trace with hash -1332546628, now seen corresponding path program 1 times [2022-12-14 05:33:24,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:33:24,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21498353] [2022-12-14 05:33:24,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:24,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:33:24,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:25,194 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2022-12-14 05:33:25,194 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:33:25,194 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21498353] [2022-12-14 05:33:25,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21498353] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:25,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:33:25,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:33:25,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013775246] [2022-12-14 05:33:25,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:25,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:33:25,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:33:25,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:33:25,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:33:25,196 INFO L87 Difference]: Start difference. First operand 2897 states and 3828 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2022-12-14 05:33:27,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:27,617 INFO L93 Difference]: Finished difference Result 2905 states and 3832 transitions. [2022-12-14 05:33:27,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:33:27,617 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) Word has length 180 [2022-12-14 05:33:27,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:27,624 INFO L225 Difference]: With dead ends: 2905 [2022-12-14 05:33:27,624 INFO L226 Difference]: Without dead ends: 2903 [2022-12-14 05:33:27,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 05:33:27,626 INFO L413 NwaCegarLoop]: 2008 mSDtfsCounter, 418 mSDsluCounter, 3665 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 418 SdHoareTripleChecker+Valid, 5673 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:27,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [418 Valid, 5673 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 05:33:27,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2903 states. [2022-12-14 05:33:27,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2903 to 2895. [2022-12-14 05:33:27,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2895 states, 1603 states have (on average 1.175296319401123) internal successors, (1884), 1640 states have internal predecessors, (1884), 968 states have call successors, (968), 318 states have call predecessors, (968), 316 states have return successors, (973), 959 states have call predecessors, (973), 966 states have call successors, (973) [2022-12-14 05:33:27,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2895 states to 2895 states and 3825 transitions. [2022-12-14 05:33:27,949 INFO L78 Accepts]: Start accepts. Automaton has 2895 states and 3825 transitions. Word has length 180 [2022-12-14 05:33:27,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:27,949 INFO L495 AbstractCegarLoop]: Abstraction has 2895 states and 3825 transitions. [2022-12-14 05:33:27,949 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, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 2 states have call predecessors, (26), 1 states have call successors, (26) [2022-12-14 05:33:27,949 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3825 transitions. [2022-12-14 05:33:27,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-12-14 05:33:27,950 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:27,950 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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] [2022-12-14 05:33:27,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-14 05:33:27,951 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:33:27,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:27,951 INFO L85 PathProgramCache]: Analyzing trace with hash -777193575, now seen corresponding path program 1 times [2022-12-14 05:33:27,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:33:27,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57355191] [2022-12-14 05:33:27,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:27,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:33:28,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:28,573 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-14 05:33:28,573 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:33:28,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57355191] [2022-12-14 05:33:28,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57355191] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:28,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:33:28,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:33:28,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627993650] [2022-12-14 05:33:28,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:28,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:33:28,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:33:28,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:33:28,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:33:28,574 INFO L87 Difference]: Start difference. First operand 2895 states and 3825 transitions. Second operand has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 05:33:30,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:30,898 INFO L93 Difference]: Finished difference Result 4522 states and 5882 transitions. [2022-12-14 05:33:30,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-14 05:33:30,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 148 [2022-12-14 05:33:30,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:30,913 INFO L225 Difference]: With dead ends: 4522 [2022-12-14 05:33:30,913 INFO L226 Difference]: Without dead ends: 4364 [2022-12-14 05:33:30,916 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 05:33:30,916 INFO L413 NwaCegarLoop]: 2090 mSDtfsCounter, 1358 mSDsluCounter, 3659 mSDsCounter, 0 mSdLazyCounter, 816 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1358 SdHoareTripleChecker+Valid, 5749 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 816 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:30,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1358 Valid, 5749 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 816 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-14 05:33:30,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4364 states. [2022-12-14 05:33:31,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4364 to 4344. [2022-12-14 05:33:31,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4344 states, 2390 states have (on average 1.1644351464435145) internal successors, (2783), 2438 states have internal predecessors, (2783), 1431 states have call successors, (1431), 520 states have call predecessors, (1431), 515 states have return successors, (1457), 1415 states have call predecessors, (1457), 1427 states have call successors, (1457) [2022-12-14 05:33:31,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4344 states to 4344 states and 5671 transitions. [2022-12-14 05:33:31,431 INFO L78 Accepts]: Start accepts. Automaton has 4344 states and 5671 transitions. Word has length 148 [2022-12-14 05:33:31,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:31,431 INFO L495 AbstractCegarLoop]: Abstraction has 4344 states and 5671 transitions. [2022-12-14 05:33:31,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.25) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-14 05:33:31,431 INFO L276 IsEmpty]: Start isEmpty. Operand 4344 states and 5671 transitions. [2022-12-14 05:33:31,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-12-14 05:33:31,432 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:31,433 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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] [2022-12-14 05:33:31,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-14 05:33:31,433 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:33:31,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:31,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1551956178, now seen corresponding path program 1 times [2022-12-14 05:33:31,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:33:31,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787083524] [2022-12-14 05:33:31,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:31,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:33:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:36,737 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2022-12-14 05:33:36,737 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:33:36,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787083524] [2022-12-14 05:33:36,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787083524] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:33:36,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1832160377] [2022-12-14 05:33:36,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:36,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:33:36,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:33:36,739 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:33:36,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 05:33:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:38,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 8198 conjuncts, 24 conjunts are in the unsatisfiable core [2022-12-14 05:33:38,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:33:38,771 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2022-12-14 05:33:38,771 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:33:38,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1832160377] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:38,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:33:38,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 17 [2022-12-14 05:33:38,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313081155] [2022-12-14 05:33:38,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:38,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 05:33:38,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:33:38,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 05:33:38,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2022-12-14 05:33:38,773 INFO L87 Difference]: Start difference. First operand 4344 states and 5671 transitions. Second operand has 12 states, 9 states have (on average 7.444444444444445) internal successors, (67), 11 states have internal predecessors, (67), 6 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2022-12-14 05:33:46,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:46,018 INFO L93 Difference]: Finished difference Result 5489 states and 7025 transitions. [2022-12-14 05:33:46,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-14 05:33:46,019 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 7.444444444444445) internal successors, (67), 11 states have internal predecessors, (67), 6 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) Word has length 196 [2022-12-14 05:33:46,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:46,032 INFO L225 Difference]: With dead ends: 5489 [2022-12-14 05:33:46,032 INFO L226 Difference]: Without dead ends: 4344 [2022-12-14 05:33:46,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2022-12-14 05:33:46,036 INFO L413 NwaCegarLoop]: 1675 mSDtfsCounter, 30 mSDsluCounter, 16647 mSDsCounter, 0 mSdLazyCounter, 3272 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 18322 SdHoareTripleChecker+Invalid, 3292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 3272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:46,037 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 18322 Invalid, 3292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 3272 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2022-12-14 05:33:46,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4344 states. [2022-12-14 05:33:46,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4344 to 4344. [2022-12-14 05:33:46,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4344 states, 2390 states have (on average 1.1640167364016736) internal successors, (2782), 2438 states have internal predecessors, (2782), 1431 states have call successors, (1431), 520 states have call predecessors, (1431), 515 states have return successors, (1457), 1415 states have call predecessors, (1457), 1427 states have call successors, (1457) [2022-12-14 05:33:46,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4344 states to 4344 states and 5670 transitions. [2022-12-14 05:33:46,520 INFO L78 Accepts]: Start accepts. Automaton has 4344 states and 5670 transitions. Word has length 196 [2022-12-14 05:33:46,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:33:46,520 INFO L495 AbstractCegarLoop]: Abstraction has 4344 states and 5670 transitions. [2022-12-14 05:33:46,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 7.444444444444445) internal successors, (67), 11 states have internal predecessors, (67), 6 states have call successors, (32), 2 states have call predecessors, (32), 4 states have return successors, (29), 6 states have call predecessors, (29), 6 states have call successors, (29) [2022-12-14 05:33:46,520 INFO L276 IsEmpty]: Start isEmpty. Operand 4344 states and 5670 transitions. [2022-12-14 05:33:46,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-12-14 05:33:46,521 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:33:46,522 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:33:46,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 05:33:46,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-12-14 05:33:46,723 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:33:46,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:33:46,725 INFO L85 PathProgramCache]: Analyzing trace with hash -88044371, now seen corresponding path program 1 times [2022-12-14 05:33:46,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:33:46,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128001702] [2022-12-14 05:33:46,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:46,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:33:48,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:50,509 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2022-12-14 05:33:50,509 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:33:50,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128001702] [2022-12-14 05:33:50,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128001702] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:33:50,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121835284] [2022-12-14 05:33:50,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:33:50,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:33:50,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:33:50,511 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:33:50,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 05:33:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:33:52,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 8286 conjuncts, 23 conjunts are in the unsatisfiable core [2022-12-14 05:33:52,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:33:52,555 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2022-12-14 05:33:52,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:33:52,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121835284] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:33:52,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:33:52,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [9] total 17 [2022-12-14 05:33:52,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334881378] [2022-12-14 05:33:52,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:33:52,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-14 05:33:52,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:33:52,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-14 05:33:52,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2022-12-14 05:33:52,557 INFO L87 Difference]: Start difference. First operand 4344 states and 5670 transitions. Second operand has 12 states, 9 states have (on average 8.444444444444445) internal successors, (76), 11 states have internal predecessors, (76), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) [2022-12-14 05:33:59,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:33:59,888 INFO L93 Difference]: Finished difference Result 6053 states and 7886 transitions. [2022-12-14 05:33:59,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 05:33:59,888 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 8.444444444444445) internal successors, (76), 11 states have internal predecessors, (76), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) Word has length 217 [2022-12-14 05:33:59,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:33:59,900 INFO L225 Difference]: With dead ends: 6053 [2022-12-14 05:33:59,900 INFO L226 Difference]: Without dead ends: 4614 [2022-12-14 05:33:59,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2022-12-14 05:33:59,904 INFO L413 NwaCegarLoop]: 1838 mSDtfsCounter, 308 mSDsluCounter, 17610 mSDsCounter, 0 mSdLazyCounter, 3401 mSolverCounterSat, 256 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 502 SdHoareTripleChecker+Valid, 19448 SdHoareTripleChecker+Invalid, 3657 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 256 IncrementalHoareTripleChecker+Valid, 3401 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-12-14 05:33:59,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [502 Valid, 19448 Invalid, 3657 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [256 Valid, 3401 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-12-14 05:33:59,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4614 states. [2022-12-14 05:34:00,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4614 to 4360. [2022-12-14 05:34:00,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4360 states, 2400 states have (on average 1.1625) internal successors, (2790), 2448 states have internal predecessors, (2790), 1437 states have call successors, (1437), 520 states have call predecessors, (1437), 515 states have return successors, (1463), 1421 states have call predecessors, (1463), 1433 states have call successors, (1463) [2022-12-14 05:34:00,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4360 states to 4360 states and 5690 transitions. [2022-12-14 05:34:00,438 INFO L78 Accepts]: Start accepts. Automaton has 4360 states and 5690 transitions. Word has length 217 [2022-12-14 05:34:00,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:34:00,439 INFO L495 AbstractCegarLoop]: Abstraction has 4360 states and 5690 transitions. [2022-12-14 05:34:00,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 8.444444444444445) internal successors, (76), 11 states have internal predecessors, (76), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (33), 7 states have call predecessors, (33), 7 states have call successors, (33) [2022-12-14 05:34:00,439 INFO L276 IsEmpty]: Start isEmpty. Operand 4360 states and 5690 transitions. [2022-12-14 05:34:00,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-12-14 05:34:00,440 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:34:00,440 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:00,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-14 05:34:00,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:34:00,641 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:34:00,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:34:00,642 INFO L85 PathProgramCache]: Analyzing trace with hash 87795983, now seen corresponding path program 1 times [2022-12-14 05:34:00,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:34:00,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355273419] [2022-12-14 05:34:00,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:34:00,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:34:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:34:04,186 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 4 proven. 46 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2022-12-14 05:34:04,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:34:04,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355273419] [2022-12-14 05:34:04,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355273419] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:34:04,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139039441] [2022-12-14 05:34:04,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:34:04,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:34:04,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:34:04,187 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:34:04,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 05:34:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:34:05,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 8326 conjuncts, 25 conjunts are in the unsatisfiable core [2022-12-14 05:34:05,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:34:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2022-12-14 05:34:05,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:34:05,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139039441] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:34:05,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:34:05,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 18 [2022-12-14 05:34:05,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461089324] [2022-12-14 05:34:05,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:34:05,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 05:34:05,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:34:05,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 05:34:05,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2022-12-14 05:34:05,942 INFO L87 Difference]: Start difference. First operand 4360 states and 5690 transitions. Second operand has 13 states, 10 states have (on average 8.8) internal successors, (88), 12 states have internal predecessors, (88), 7 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) [2022-12-14 05:34:13,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:34:13,383 INFO L93 Difference]: Finished difference Result 5518 states and 7065 transitions. [2022-12-14 05:34:13,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-14 05:34:13,383 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 8.8) internal successors, (88), 12 states have internal predecessors, (88), 7 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) Word has length 234 [2022-12-14 05:34:13,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:34:13,393 INFO L225 Difference]: With dead ends: 5518 [2022-12-14 05:34:13,393 INFO L226 Difference]: Without dead ends: 4369 [2022-12-14 05:34:13,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=515, Unknown=0, NotChecked=0, Total=600 [2022-12-14 05:34:13,396 INFO L413 NwaCegarLoop]: 1681 mSDtfsCounter, 53 mSDsluCounter, 18351 mSDsCounter, 0 mSdLazyCounter, 3570 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 20032 SdHoareTripleChecker+Invalid, 3597 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 3570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-12-14 05:34:13,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 20032 Invalid, 3597 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 3570 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-12-14 05:34:13,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4369 states. [2022-12-14 05:34:13,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4369 to 4360. [2022-12-14 05:34:13,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4360 states, 2400 states have (on average 1.1608333333333334) internal successors, (2786), 2445 states have internal predecessors, (2786), 1437 states have call successors, (1437), 520 states have call predecessors, (1437), 515 states have return successors, (1463), 1421 states have call predecessors, (1463), 1433 states have call successors, (1463) [2022-12-14 05:34:13,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4360 states to 4360 states and 5686 transitions. [2022-12-14 05:34:13,922 INFO L78 Accepts]: Start accepts. Automaton has 4360 states and 5686 transitions. Word has length 234 [2022-12-14 05:34:13,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:34:13,922 INFO L495 AbstractCegarLoop]: Abstraction has 4360 states and 5686 transitions. [2022-12-14 05:34:13,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 8.8) internal successors, (88), 12 states have internal predecessors, (88), 7 states have call successors, (40), 2 states have call predecessors, (40), 4 states have return successors, (37), 7 states have call predecessors, (37), 7 states have call successors, (37) [2022-12-14 05:34:13,923 INFO L276 IsEmpty]: Start isEmpty. Operand 4360 states and 5686 transitions. [2022-12-14 05:34:13,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-12-14 05:34:13,924 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:34:13,924 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 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] [2022-12-14 05:34:13,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-12-14 05:34:14,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:34:14,126 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:34:14,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:34:14,126 INFO L85 PathProgramCache]: Analyzing trace with hash 2077565551, now seen corresponding path program 1 times [2022-12-14 05:34:14,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:34:14,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675361800] [2022-12-14 05:34:14,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:34:14,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:34:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:34:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2022-12-14 05:34:15,478 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:34:15,478 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675361800] [2022-12-14 05:34:15,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675361800] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:34:15,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:34:15,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-14 05:34:15,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134654932] [2022-12-14 05:34:15,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:34:15,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 05:34:15,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:34:15,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 05:34:15,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-14 05:34:15,480 INFO L87 Difference]: Start difference. First operand 4360 states and 5686 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 05:34:17,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:34:17,907 INFO L93 Difference]: Finished difference Result 4410 states and 5722 transitions. [2022-12-14 05:34:17,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-14 05:34:17,908 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 284 [2022-12-14 05:34:17,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:34:17,916 INFO L225 Difference]: With dead ends: 4410 [2022-12-14 05:34:17,916 INFO L226 Difference]: Without dead ends: 4408 [2022-12-14 05:34:17,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-12-14 05:34:17,917 INFO L413 NwaCegarLoop]: 1700 mSDtfsCounter, 1853 mSDsluCounter, 3415 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1855 SdHoareTripleChecker+Valid, 5115 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-14 05:34:17,917 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1855 Valid, 5115 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-14 05:34:17,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4408 states. [2022-12-14 05:34:18,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4408 to 4406. [2022-12-14 05:34:18,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4406 states, 2430 states have (on average 1.1580246913580248) internal successors, (2814), 2475 states have internal predecessors, (2814), 1437 states have call successors, (1437), 536 states have call predecessors, (1437), 531 states have return successors, (1463), 1421 states have call predecessors, (1463), 1433 states have call successors, (1463) [2022-12-14 05:34:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4406 states to 4406 states and 5714 transitions. [2022-12-14 05:34:18,482 INFO L78 Accepts]: Start accepts. Automaton has 4406 states and 5714 transitions. Word has length 284 [2022-12-14 05:34:18,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:34:18,483 INFO L495 AbstractCegarLoop]: Abstraction has 4406 states and 5714 transitions. [2022-12-14 05:34:18,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (56), 3 states have call predecessors, (56), 1 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-12-14 05:34:18,483 INFO L276 IsEmpty]: Start isEmpty. Operand 4406 states and 5714 transitions. [2022-12-14 05:34:18,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2022-12-14 05:34:18,485 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:34:18,485 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-14 05:34:18,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-14 05:34:18,485 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_usb_coherent_usb_free_coherentErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:34:18,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:34:18,486 INFO L85 PathProgramCache]: Analyzing trace with hash -1552583444, now seen corresponding path program 1 times [2022-12-14 05:34:18,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:34:18,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042063880] [2022-12-14 05:34:18,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:34:18,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:34:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:34:20,209 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2022-12-14 05:34:20,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:34:20,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042063880] [2022-12-14 05:34:20,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042063880] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:34:20,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1460777765] [2022-12-14 05:34:20,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:34:20,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:34:20,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:34:20,210 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:34:20,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 05:34:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:34:22,022 INFO L263 TraceCheckSpWp]: Trace formula consists of 8800 conjuncts, 50 conjunts are in the unsatisfiable core [2022-12-14 05:34:22,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:34:22,177 INFO L134 CoverageAnalysis]: Checked inductivity of 517 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 479 trivial. 0 not checked. [2022-12-14 05:34:22,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 05:34:22,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1460777765] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:34:22,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-14 05:34:22,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [8] total 19 [2022-12-14 05:34:22,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874922299] [2022-12-14 05:34:22,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:34:22,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-14 05:34:22,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:34:22,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-14 05:34:22,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2022-12-14 05:34:22,179 INFO L87 Difference]: Start difference. First operand 4406 states and 5714 transitions. Second operand has 13 states, 10 states have (on average 10.6) internal successors, (106), 12 states have internal predecessors, (106), 7 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (48), 7 states have call predecessors, (48), 7 states have call successors, (48) [2022-12-14 05:34:29,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:34:29,823 INFO L93 Difference]: Finished difference Result 5685 states and 7287 transitions. [2022-12-14 05:34:29,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-14 05:34:29,824 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 10.6) internal successors, (106), 12 states have internal predecessors, (106), 7 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (48), 7 states have call predecessors, (48), 7 states have call successors, (48) Word has length 344 [2022-12-14 05:34:29,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:34:29,832 INFO L225 Difference]: With dead ends: 5685 [2022-12-14 05:34:29,832 INFO L226 Difference]: Without dead ends: 4432 [2022-12-14 05:34:29,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=564, Unknown=0, NotChecked=0, Total=650 [2022-12-14 05:34:29,835 INFO L413 NwaCegarLoop]: 1717 mSDtfsCounter, 62 mSDsluCounter, 18707 mSDsCounter, 0 mSdLazyCounter, 3595 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 20424 SdHoareTripleChecker+Invalid, 3624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 3595 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-14 05:34:29,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 20424 Invalid, 3624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 3595 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-12-14 05:34:29,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4432 states. [2022-12-14 05:34:30,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4432 to 4324. [2022-12-14 05:34:30,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4324 states, 2383 states have (on average 1.1582039446076375) internal successors, (2760), 2428 states have internal predecessors, (2760), 1414 states have call successors, (1414), 524 states have call predecessors, (1414), 519 states have return successors, (1440), 1398 states have call predecessors, (1440), 1410 states have call successors, (1440) [2022-12-14 05:34:30,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4324 states to 4324 states and 5614 transitions. [2022-12-14 05:34:30,360 INFO L78 Accepts]: Start accepts. Automaton has 4324 states and 5614 transitions. Word has length 344 [2022-12-14 05:34:30,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:34:30,360 INFO L495 AbstractCegarLoop]: Abstraction has 4324 states and 5614 transitions. [2022-12-14 05:34:30,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 10.6) internal successors, (106), 12 states have internal predecessors, (106), 7 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (48), 7 states have call predecessors, (48), 7 states have call successors, (48) [2022-12-14 05:34:30,361 INFO L276 IsEmpty]: Start isEmpty. Operand 4324 states and 5614 transitions. [2022-12-14 05:34:30,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2022-12-14 05:34:30,362 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:34:30,362 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:30,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-14 05:34:30,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-12-14 05:34:30,565 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:34:30,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:34:30,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1608570659, now seen corresponding path program 1 times [2022-12-14 05:34:30,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:34:30,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398898286] [2022-12-14 05:34:30,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:34:30,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:34:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:34:32,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1347 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2022-12-14 05:34:32,788 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:34:32,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398898286] [2022-12-14 05:34:32,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398898286] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 05:34:32,788 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 05:34:32,788 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 05:34:32,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631448332] [2022-12-14 05:34:32,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 05:34:32,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 05:34:32,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 05:34:32,789 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 05:34:32,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 05:34:32,790 INFO L87 Difference]: Start difference. First operand 4324 states and 5614 transitions. Second operand has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-12-14 05:34:35,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 05:34:35,578 INFO L93 Difference]: Finished difference Result 8614 states and 11459 transitions. [2022-12-14 05:34:35,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 05:34:35,579 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) Word has length 324 [2022-12-14 05:34:35,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 05:34:35,590 INFO L225 Difference]: With dead ends: 8614 [2022-12-14 05:34:35,590 INFO L226 Difference]: Without dead ends: 4356 [2022-12-14 05:34:35,599 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 05:34:35,599 INFO L413 NwaCegarLoop]: 1627 mSDtfsCounter, 5 mSDsluCounter, 3246 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 4873 SdHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-12-14 05:34:35,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 4873 Invalid, 780 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-12-14 05:34:35,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4356 states. [2022-12-14 05:34:36,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4356 to 4346. [2022-12-14 05:34:36,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4346 states, 2400 states have (on average 1.16125) internal successors, (2787), 2445 states have internal predecessors, (2787), 1414 states have call successors, (1414), 529 states have call predecessors, (1414), 524 states have return successors, (1440), 1398 states have call predecessors, (1440), 1410 states have call successors, (1440) [2022-12-14 05:34:36,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 4346 states and 5641 transitions. [2022-12-14 05:34:36,129 INFO L78 Accepts]: Start accepts. Automaton has 4346 states and 5641 transitions. Word has length 324 [2022-12-14 05:34:36,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 05:34:36,129 INFO L495 AbstractCegarLoop]: Abstraction has 4346 states and 5641 transitions. [2022-12-14 05:34:36,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.0) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (44), 1 states have call predecessors, (44), 2 states have return successors, (41), 2 states have call predecessors, (41), 2 states have call successors, (41) [2022-12-14 05:34:36,129 INFO L276 IsEmpty]: Start isEmpty. Operand 4346 states and 5641 transitions. [2022-12-14 05:34:36,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-12-14 05:34:36,131 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 05:34:36,131 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 05:34:36,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-12-14 05:34:36,131 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ar5523_cmdErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 32 more)] === [2022-12-14 05:34:36,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 05:34:36,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1825695142, now seen corresponding path program 1 times [2022-12-14 05:34:36,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 05:34:36,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868085971] [2022-12-14 05:34:36,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:34:36,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 05:34:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:34:38,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2022-12-14 05:34:38,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 05:34:38,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868085971] [2022-12-14 05:34:38,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868085971] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-14 05:34:38,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520515698] [2022-12-14 05:34:38,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 05:34:38,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 05:34:38,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 05:34:38,476 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 05:34:38,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_61381306-d38b-4079-9e73-d26616f3a067/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 05:34:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 05:34:42,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 9118 conjuncts, 11 conjunts are in the unsatisfiable core [2022-12-14 05:34:42,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 05:34:42,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1345 trivial. 0 not checked. [2022-12-14 05:34:42,960 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 05:34:43,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1347 trivial. 0 not checked. [2022-12-14 05:34:43,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520515698] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 05:34:43,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2088657870] [2022-12-14 05:34:43,193 INFO L159 IcfgInterpreter]: Started Sifa with 154 locations of interest [2022-12-14 05:34:43,194 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 05:34:43,196 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 05:34:43,200 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 05:34:43,200 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 05:35:09,092 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-12-14 05:35:09,930 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-12-14 05:35:11,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-12-14 05:35:13,619 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-12-14 05:35:14,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-12-14 05:35:16,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-12-14 05:35:18,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-12-14 05:35:21,106 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-12-14 05:35:22,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-12-14 05:35:25,084 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-12-14 05:35:27,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-12-14 05:35:28,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-12-14 05:35:30,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1596 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 286 [2022-12-14 05:37:55,190 WARN L233 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 8771 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 05:38:03,211 WARN L233 SmtUtils]: Spent 7.99s on a formula simplification that was a NOOP. DAG size: 8771 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 05:38:12,089 WARN L233 SmtUtils]: Spent 8.81s on a formula simplification. DAG size of input: 8912 DAG size of output: 8771 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 05:38:20,710 WARN L233 SmtUtils]: Spent 8.55s on a formula simplification that was a NOOP. DAG size: 8771 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 05:38:29,696 WARN L233 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 8771 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 05:38:38,586 WARN L233 SmtUtils]: Spent 8.86s on a formula simplification. DAG size of input: 8912 DAG size of output: 8771 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 05:41:47,051 WARN L233 SmtUtils]: Spent 8.58s on a formula simplification that was a NOOP. DAG size: 8884 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 05:41:55,547 WARN L233 SmtUtils]: Spent 8.47s on a formula simplification that was a NOOP. DAG size: 8884 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 05:42:05,237 WARN L233 SmtUtils]: Spent 9.61s on a formula simplification. DAG size of input: 9090 DAG size of output: 8941 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 05:42:13,622 WARN L233 SmtUtils]: Spent 8.33s on a formula simplification that was a NOOP. DAG size: 8884 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 05:42:21,857 WARN L233 SmtUtils]: Spent 8.21s on a formula simplification that was a NOOP. DAG size: 8884 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-12-14 05:42:31,186 WARN L233 SmtUtils]: Spent 9.28s on a formula simplification. DAG size of input: 9090 DAG size of output: 8941 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)