./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--usb--misc--legousbtower.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_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed --- 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 [2022-12-13 15:30:02,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:30:02,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:30:02,020 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:30:02,020 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:30:02,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:30:02,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:30:02,023 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:30:02,024 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:30:02,025 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:30:02,026 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:30:02,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:30:02,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:30:02,027 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:30:02,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:30:02,029 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:30:02,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:30:02,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:30:02,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:30:02,032 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:30:02,033 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:30:02,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:30:02,035 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:30:02,036 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:30:02,038 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:30:02,038 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:30:02,039 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:30:02,039 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:30:02,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:30:02,040 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:30:02,040 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:30:02,041 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:30:02,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:30:02,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:30:02,043 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:30:02,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:30:02,044 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:30:02,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:30:02,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:30:02,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:30:02,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:30:02,046 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 15:30:02,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:30:02,060 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:30:02,060 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:30:02,060 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:30:02,061 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:30:02,061 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:30:02,061 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:30:02,062 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:30:02,062 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:30:02,062 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:30:02,062 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:30:02,062 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:30:02,062 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:30:02,062 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:30:02,062 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:30:02,063 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:30:02,063 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:30:02,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:30:02,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:30:02,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:30:02,063 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:30:02,063 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:30:02,063 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:30:02,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:30:02,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:30:02,064 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:30:02,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:30:02,064 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:30:02,064 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:30:02,064 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:30:02,064 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:30:02,065 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:30:02,065 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed [2022-12-13 15:30:02,250 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:30:02,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:30:02,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:30:02,272 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:30:02,273 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:30:02,273 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2022-12-13 15:30:04,878 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:30:05,163 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:30:05,164 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2022-12-13 15:30:05,189 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/data/54c7161a1/0aaee93987534f04ade43352309184ce/FLAG416cf00bd [2022-12-13 15:30:05,199 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/data/54c7161a1/0aaee93987534f04ade43352309184ce [2022-12-13 15:30:05,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:30:05,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:30:05,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:30:05,203 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:30:05,206 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:30:05,207 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:30:05" (1/1) ... [2022-12-13 15:30:05,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53716660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:05, skipping insertion in model container [2022-12-13 15:30:05,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:30:05" (1/1) ... [2022-12-13 15:30:05,213 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:30:05,302 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:30:06,039 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 15:30:06,047 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 15:30:06,055 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 15:30:06,063 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 15:30:06,117 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 15:30:06,118 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 15:30:06,119 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 15:30:06,120 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 15:30:06,126 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 15:30:06,126 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 15:30:06,127 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 15:30:06,128 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 15:30:06,283 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-12-13 15:30:06,292 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:06,294 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:30:06,294 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:30:06,294 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:30:06,295 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:30:06,296 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-13 15:30:06,297 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:30:06,301 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 15:30:06,302 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:06,305 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:06,310 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:06,312 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:30:06,313 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:30:06,315 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:30:06,316 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:30:06,318 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 15:30:06,319 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 15:30:06,326 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:30:06,327 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:06,329 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:30:06,331 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:30:06,333 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:30:06,333 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:30:06,341 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:30:06,343 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:06,344 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:30:06,344 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:30:06,345 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 15:30:06,346 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:30:06,348 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:06,350 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:06,354 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:06,357 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:06,358 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:30:06,360 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:06,361 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:30:06,364 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:06,365 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:30:06,366 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:06,367 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 15:30:06,368 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:30:06,369 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:30:06,369 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:30:06,371 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:06,372 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:06,373 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:06,374 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:06,375 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:06,376 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:06,377 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:06,378 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-13 15:30:06,378 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:06,379 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:30:06,380 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 15:30:06,380 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:06,381 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:30:06,383 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-13 15:30:06,383 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:30:06,384 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:30:06,384 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:30:06,483 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:30:06,491 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 15:30:06,492 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 15:30:06,494 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 15:30:06,760 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:30:06,891 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:30:07,176 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_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2022-12-13 15:30:07,179 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_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2022-12-13 15:30:07,180 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_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2022-12-13 15:30:07,180 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_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2022-12-13 15:30:07,180 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_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2022-12-13 15:30:07,181 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_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2022-12-13 15:30:07,188 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2022-12-13 15:30:07,188 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2022-12-13 15:30:07,189 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2022-12-13 15:30:07,189 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2022-12-13 15:30:07,189 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2022-12-13 15:30:07,190 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2022-12-13 15:30:07,190 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2022-12-13 15:30:07,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2022-12-13 15:30:07,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2022-12-13 15:30:07,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2022-12-13 15:30:07,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2022-12-13 15:30:07,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2022-12-13 15:30:07,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2022-12-13 15:30:07,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2022-12-13 15:30:07,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2022-12-13 15:30:07,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2022-12-13 15:30:07,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2022-12-13 15:30:07,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2022-12-13 15:30:07,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2022-12-13 15:30:07,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2022-12-13 15:30:07,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2022-12-13 15:30:07,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2022-12-13 15:30:07,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2022-12-13 15:30:07,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2022-12-13 15:30:07,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2022-12-13 15:30:07,198 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2022-12-13 15:30:07,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2022-12-13 15:30:07,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2022-12-13 15:30:07,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2022-12-13 15:30:07,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2022-12-13 15:30:07,200 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2022-12-13 15:30:07,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2022-12-13 15:30:07,201 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2022-12-13 15:30:07,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2022-12-13 15:30:07,202 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2022-12-13 15:30:07,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2022-12-13 15:30:07,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2022-12-13 15:30:07,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2022-12-13 15:30:07,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2022-12-13 15:30:07,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2022-12-13 15:30:07,205 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2022-12-13 15:30:07,205 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2022-12-13 15:30:07,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2022-12-13 15:30:07,206 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2022-12-13 15:30:07,207 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2022-12-13 15:30:07,207 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2022-12-13 15:30:07,207 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2022-12-13 15:30:07,208 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2022-12-13 15:30:07,208 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2022-12-13 15:30:07,208 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2022-12-13 15:30:07,209 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2022-12-13 15:30:07,209 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2022-12-13 15:30:07,209 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2022-12-13 15:30:07,210 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2022-12-13 15:30:07,210 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2022-12-13 15:30:07,210 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2022-12-13 15:30:07,211 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2022-12-13 15:30:07,211 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2022-12-13 15:30:07,211 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2022-12-13 15:30:07,211 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2022-12-13 15:30:07,212 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2022-12-13 15:30:07,212 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2022-12-13 15:30:07,212 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2022-12-13 15:30:07,212 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2022-12-13 15:30:07,213 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2022-12-13 15:30:07,213 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2022-12-13 15:30:07,213 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2022-12-13 15:30:07,214 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2022-12-13 15:30:07,214 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2022-12-13 15:30:07,215 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2022-12-13 15:30:07,215 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2022-12-13 15:30:07,215 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2022-12-13 15:30:07,216 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2022-12-13 15:30:07,216 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2022-12-13 15:30:07,217 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2022-12-13 15:30:07,217 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2022-12-13 15:30:07,217 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2022-12-13 15:30:07,218 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2022-12-13 15:30:07,218 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2022-12-13 15:30:07,218 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2022-12-13 15:30:07,219 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2022-12-13 15:30:07,219 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2022-12-13 15:30:07,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:30:07,245 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:30:07,322 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 15:30:07,322 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 15:30:07,322 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 15:30:07,322 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 15:30:07,324 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 15:30:07,324 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 15:30:07,325 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 15:30:07,325 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 15:30:07,326 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 15:30:07,326 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 15:30:07,326 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 15:30:07,326 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 15:30:07,337 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-12-13 15:30:07,341 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:07,342 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:30:07,342 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:30:07,342 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:30:07,342 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:30:07,343 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-13 15:30:07,344 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:30:07,345 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 15:30:07,345 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:07,346 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:07,348 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:07,349 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:30:07,349 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:30:07,350 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:30:07,350 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:30:07,351 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 15:30:07,351 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 15:30:07,354 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:30:07,355 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:07,356 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:30:07,357 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:30:07,357 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:30:07,358 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:30:07,361 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:30:07,362 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:07,363 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:30:07,363 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:30:07,363 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 15:30:07,364 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:30:07,365 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:07,366 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:07,369 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:07,371 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:07,371 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:30:07,372 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:07,373 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:30:07,374 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:30:07,375 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:30:07,376 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:07,376 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 15:30:07,377 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:30:07,377 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:30:07,377 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:30:07,378 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:07,379 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:07,380 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:07,380 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:07,381 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:07,381 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:07,382 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:07,382 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-13 15:30:07,382 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:07,383 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:30:07,383 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 15:30:07,383 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:30:07,384 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:30:07,385 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-13 15:30:07,386 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:30:07,386 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:30:07,386 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:30:07,397 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:30:07,400 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 15:30:07,401 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 15:30:07,401 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 15:30:07,412 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:30:07,419 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:30:07,440 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2022-12-13 15:30:07,440 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2022-12-13 15:30:07,441 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2022-12-13 15:30:07,441 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2022-12-13 15:30:07,441 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2022-12-13 15:30:07,442 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2022-12-13 15:30:07,442 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2022-12-13 15:30:07,442 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2022-12-13 15:30:07,442 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2022-12-13 15:30:07,443 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2022-12-13 15:30:07,443 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2022-12-13 15:30:07,443 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2022-12-13 15:30:07,444 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2022-12-13 15:30:07,444 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2022-12-13 15:30:07,444 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2022-12-13 15:30:07,445 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2022-12-13 15:30:07,445 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2022-12-13 15:30:07,445 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2022-12-13 15:30:07,446 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2022-12-13 15:30:07,446 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2022-12-13 15:30:07,460 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2022-12-13 15:30:07,460 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2022-12-13 15:30:07,460 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2022-12-13 15:30:07,461 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2022-12-13 15:30:07,461 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2022-12-13 15:30:07,461 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2022-12-13 15:30:07,462 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2022-12-13 15:30:07,462 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2022-12-13 15:30:07,462 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2022-12-13 15:30:07,463 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2022-12-13 15:30:07,463 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2022-12-13 15:30:07,463 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2022-12-13 15:30:07,464 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2022-12-13 15:30:07,464 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2022-12-13 15:30:07,464 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2022-12-13 15:30:07,465 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2022-12-13 15:30:07,465 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2022-12-13 15:30:07,465 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2022-12-13 15:30:07,466 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2022-12-13 15:30:07,466 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2022-12-13 15:30:07,466 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2022-12-13 15:30:07,467 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2022-12-13 15:30:07,467 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2022-12-13 15:30:07,467 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2022-12-13 15:30:07,468 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2022-12-13 15:30:07,468 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2022-12-13 15:30:07,468 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2022-12-13 15:30:07,469 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2022-12-13 15:30:07,469 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2022-12-13 15:30:07,469 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2022-12-13 15:30:07,469 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2022-12-13 15:30:07,470 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2022-12-13 15:30:07,470 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2022-12-13 15:30:07,470 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2022-12-13 15:30:07,471 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2022-12-13 15:30:07,471 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2022-12-13 15:30:07,471 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2022-12-13 15:30:07,472 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2022-12-13 15:30:07,472 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2022-12-13 15:30:07,472 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2022-12-13 15:30:07,472 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2022-12-13 15:30:07,473 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2022-12-13 15:30:07,473 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2022-12-13 15:30:07,473 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2022-12-13 15:30:07,474 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2022-12-13 15:30:07,474 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2022-12-13 15:30:07,474 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2022-12-13 15:30:07,475 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2022-12-13 15:30:07,475 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2022-12-13 15:30:07,475 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2022-12-13 15:30:07,476 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2022-12-13 15:30:07,476 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2022-12-13 15:30:07,476 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2022-12-13 15:30:07,477 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2022-12-13 15:30:07,477 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2022-12-13 15:30:07,477 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2022-12-13 15:30:07,478 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2022-12-13 15:30:07,478 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2022-12-13 15:30:07,478 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2022-12-13 15:30:07,479 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2022-12-13 15:30:07,479 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2022-12-13 15:30:07,479 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2022-12-13 15:30:07,479 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2022-12-13 15:30:07,480 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2022-12-13 15:30:07,480 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2022-12-13 15:30:07,480 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2022-12-13 15:30:07,481 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2022-12-13 15:30:07,481 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2022-12-13 15:30:07,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:30:07,584 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:30:07,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:07 WrapperNode [2022-12-13 15:30:07,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:30:07,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:30:07,585 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:30:07,585 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:30:07,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:07" (1/1) ... [2022-12-13 15:30:07,644 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:07" (1/1) ... [2022-12-13 15:30:07,743 INFO L138 Inliner]: procedures = 526, calls = 1327, calls flagged for inlining = 223, calls inlined = 134, statements flattened = 2382 [2022-12-13 15:30:07,743 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:30:07,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:30:07,744 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:30:07,744 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:30:07,752 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:07" (1/1) ... [2022-12-13 15:30:07,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:07" (1/1) ... [2022-12-13 15:30:07,762 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:07" (1/1) ... [2022-12-13 15:30:07,762 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:07" (1/1) ... [2022-12-13 15:30:07,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:07" (1/1) ... [2022-12-13 15:30:07,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:07" (1/1) ... [2022-12-13 15:30:07,811 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:07" (1/1) ... [2022-12-13 15:30:07,817 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:07" (1/1) ... [2022-12-13 15:30:07,829 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:30:07,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:30:07,830 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:30:07,830 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:30:07,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:07" (1/1) ... [2022-12-13 15:30:07,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:30:07,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:30:07,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:30:07,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:30:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-13 15:30:07,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-13 15:30:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 15:30:07,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 15:30:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-13 15:30:07,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-13 15:30:07,884 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-12-13 15:30:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-12-13 15:30:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 15:30:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 15:30:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-13 15:30:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-13 15:30:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-13 15:30:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-13 15:30:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2022-12-13 15:30:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2022-12-13 15:30:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 15:30:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 15:30:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 15:30:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 15:30:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-13 15:30:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-13 15:30:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:30:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 15:30:07,885 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 15:30:07,885 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-13 15:30:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-13 15:30:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-13 15:30:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-13 15:30:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 15:30:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-13 15:30:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-13 15:30:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 15:30:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 15:30:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_112 [2022-12-13 15:30:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_112 [2022-12-13 15:30:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-13 15:30:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-13 15:30:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 15:30:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-13 15:30:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-13 15:30:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-13 15:30:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-13 15:30:07,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-13 15:30:07,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-13 15:30:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-13 15:30:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-13 15:30:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 15:30:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 15:30:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-12-13 15:30:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-12-13 15:30:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-13 15:30:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-13 15:30:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2022-12-13 15:30:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2022-12-13 15:30:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2022-12-13 15:30:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2022-12-13 15:30:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-13 15:30:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-13 15:30:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 15:30:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:30:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 15:30:07,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 15:30:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 15:30:07,887 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-12-13 15:30:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-12-13 15:30:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-12-13 15:30:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-12-13 15:30:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-12-13 15:30:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-12-13 15:30:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-12-13 15:30:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-12-13 15:30:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-13 15:30:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-13 15:30:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-13 15:30:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-13 15:30:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2022-12-13 15:30:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2022-12-13 15:30:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-12-13 15:30:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-12-13 15:30:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-13 15:30:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-13 15:30:07,888 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:30:07,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:30:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-12-13 15:30:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-12-13 15:30:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure tower_disconnect [2022-12-13 15:30:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_disconnect [2022-12-13 15:30:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 15:30:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 15:30:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 15:30:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 15:30:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-12-13 15:30:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-12-13 15:30:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-13 15:30:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-13 15:30:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-12-13 15:30:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-12-13 15:30:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-12-13 15:30:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-12-13 15:30:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-13 15:30:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-13 15:30:07,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2022-12-13 15:30:07,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2022-12-13 15:30:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:30:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 15:30:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 15:30:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-13 15:30:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-13 15:30:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 15:30:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 15:30:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-13 15:30:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-13 15:30:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-13 15:30:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-13 15:30:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-13 15:30:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-13 15:30:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 15:30:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 15:30:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2022-12-13 15:30:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2022-12-13 15:30:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-12-13 15:30:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-12-13 15:30:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-12-13 15:30:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-12-13 15:30:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-13 15:30:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-13 15:30:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-13 15:30:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-13 15:30:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-13 15:30:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-13 15:30:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 15:30:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 15:30:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-13 15:30:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-13 15:30:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-12-13 15:30:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-12-13 15:30:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2022-12-13 15:30:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2022-12-13 15:30:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 15:30:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 15:30:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-13 15:30:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-13 15:30:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure tower_delete [2022-12-13 15:30:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_delete [2022-12-13 15:30:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 15:30:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-13 15:30:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-13 15:30:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 15:30:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 15:30:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-13 15:30:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-13 15:30:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-13 15:30:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-13 15:30:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 15:30:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 15:30:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-13 15:30:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-13 15:30:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure tower_check_for_read_packet [2022-12-13 15:30:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_check_for_read_packet [2022-12-13 15:30:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:30:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure tower_abort_transfers [2022-12-13 15:30:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_abort_transfers [2022-12-13 15:30:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_111 [2022-12-13 15:30:07,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_111 [2022-12-13 15:30:08,244 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:30:08,247 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:30:08,401 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 15:30:10,753 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:30:10,766 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:30:10,767 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:30:10,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:30:10 BoogieIcfgContainer [2022-12-13 15:30:10,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:30:10,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:30:10,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:30:10,774 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:30:10,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:30:05" (1/3) ... [2022-12-13 15:30:10,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2a33ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:30:10, skipping insertion in model container [2022-12-13 15:30:10,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:30:07" (2/3) ... [2022-12-13 15:30:10,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b2a33ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:30:10, skipping insertion in model container [2022-12-13 15:30:10,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:30:10" (3/3) ... [2022-12-13 15:30:10,777 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2022-12-13 15:30:10,791 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:30:10,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-12-13 15:30:10,856 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:30:10,862 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, 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;@231f08aa, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:30:10,862 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-12-13 15:30:10,869 INFO L276 IsEmpty]: Start isEmpty. Operand has 986 states, 640 states have (on average 1.2828125) internal successors, (821), 685 states have internal predecessors, (821), 240 states have call successors, (240), 76 states have call predecessors, (240), 75 states have return successors, (235), 232 states have call predecessors, (235), 235 states have call successors, (235) [2022-12-13 15:30:10,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-13 15:30:10,879 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:10,879 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:10,880 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:10,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:10,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1422195215, now seen corresponding path program 1 times [2022-12-13 15:30:10,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:10,893 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483742755] [2022-12-13 15:30:10,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:10,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:11,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:11,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:11,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:11,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:11,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:11,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:11,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:11,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:11,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:11,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:11,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:11,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:11,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:11,634 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:30:11,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:11,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483742755] [2022-12-13 15:30:11,634 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483742755] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:11,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:11,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:11,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688982805] [2022-12-13 15:30:11,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:11,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:11,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:11,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:11,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:11,669 INFO L87 Difference]: Start difference. First operand has 986 states, 640 states have (on average 1.2828125) internal successors, (821), 685 states have internal predecessors, (821), 240 states have call successors, (240), 76 states have call predecessors, (240), 75 states have return successors, (235), 232 states have call predecessors, (235), 235 states have call successors, (235) Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 15:30:13,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:13,774 INFO L93 Difference]: Finished difference Result 1923 states and 2622 transitions. [2022-12-13 15:30:13,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:13,776 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 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 71 [2022-12-13 15:30:13,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:13,788 INFO L225 Difference]: With dead ends: 1923 [2022-12-13 15:30:13,788 INFO L226 Difference]: Without dead ends: 968 [2022-12-13 15:30:13,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:13,796 INFO L413 NwaCegarLoop]: 819 mSDtfsCounter, 1640 mSDsluCounter, 1505 mSDsCounter, 0 mSdLazyCounter, 1448 mSolverCounterSat, 670 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1818 SdHoareTripleChecker+Valid, 2324 SdHoareTripleChecker+Invalid, 2118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 670 IncrementalHoareTripleChecker+Valid, 1448 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:13,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1818 Valid, 2324 Invalid, 2118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [670 Valid, 1448 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-13 15:30:13,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 968 states. [2022-12-13 15:30:13,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 968 to 968. [2022-12-13 15:30:13,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 968 states, 630 states have (on average 1.226984126984127) internal successors, (773), 670 states have internal predecessors, (773), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:30:13,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 968 states and 1241 transitions. [2022-12-13 15:30:13,876 INFO L78 Accepts]: Start accepts. Automaton has 968 states and 1241 transitions. Word has length 71 [2022-12-13 15:30:13,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:13,878 INFO L495 AbstractCegarLoop]: Abstraction has 968 states and 1241 transitions. [2022-12-13 15:30:13,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 15:30:13,878 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1241 transitions. [2022-12-13 15:30:13,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-13 15:30:13,880 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:13,880 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:13,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:30:13,880 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:13,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:13,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1990155866, now seen corresponding path program 1 times [2022-12-13 15:30:13,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:13,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115087168] [2022-12-13 15:30:13,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:13,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:14,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:14,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:14,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:14,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:14,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:14,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:14,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:14,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:14,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:14,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:14,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:14,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:14,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:14,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:30:14,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:14,279 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:30:14,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:14,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115087168] [2022-12-13 15:30:14,279 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115087168] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:14,280 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:14,280 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:14,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974030718] [2022-12-13 15:30:14,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:14,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:14,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:14,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:14,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:14,282 INFO L87 Difference]: Start difference. First operand 968 states and 1241 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 15:30:15,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:15,866 INFO L93 Difference]: Finished difference Result 968 states and 1241 transitions. [2022-12-13 15:30:15,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:15,866 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 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 77 [2022-12-13 15:30:15,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:15,876 INFO L225 Difference]: With dead ends: 968 [2022-12-13 15:30:15,876 INFO L226 Difference]: Without dead ends: 966 [2022-12-13 15:30:15,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:15,877 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1606 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1781 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2086 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:15,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1781 Valid, 2292 Invalid, 2086 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1426 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 15:30:15,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 966 states. [2022-12-13 15:30:15,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 966 to 966. [2022-12-13 15:30:15,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 966 states, 629 states have (on average 1.2257551669316376) internal successors, (771), 668 states have internal predecessors, (771), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:30:15,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 966 states and 1239 transitions. [2022-12-13 15:30:15,950 INFO L78 Accepts]: Start accepts. Automaton has 966 states and 1239 transitions. Word has length 77 [2022-12-13 15:30:15,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:15,951 INFO L495 AbstractCegarLoop]: Abstraction has 966 states and 1239 transitions. [2022-12-13 15:30:15,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-12-13 15:30:15,951 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1239 transitions. [2022-12-13 15:30:15,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-13 15:30:15,955 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:15,955 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:15,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 15:30:15,955 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:15,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:15,956 INFO L85 PathProgramCache]: Analyzing trace with hash -2061038140, now seen corresponding path program 1 times [2022-12-13 15:30:15,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:15,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748591946] [2022-12-13 15:30:15,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:15,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:16,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:16,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:16,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:16,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:16,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:16,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:16,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:16,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:16,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:16,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:16,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:16,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:16,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:30:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:16,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:30:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:16,325 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:30:16,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:16,326 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748591946] [2022-12-13 15:30:16,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748591946] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:16,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:16,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:16,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623178764] [2022-12-13 15:30:16,327 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:16,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:16,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:16,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:16,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:16,328 INFO L87 Difference]: Start difference. First operand 966 states and 1239 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 15:30:18,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:18,365 INFO L93 Difference]: Finished difference Result 966 states and 1239 transitions. [2022-12-13 15:30:18,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:18,366 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 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 83 [2022-12-13 15:30:18,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:18,371 INFO L225 Difference]: With dead ends: 966 [2022-12-13 15:30:18,372 INFO L226 Difference]: Without dead ends: 964 [2022-12-13 15:30:18,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:18,373 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1600 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1422 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1774 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2082 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:18,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1774 Valid, 2292 Invalid, 2082 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1422 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 15:30:18,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2022-12-13 15:30:18,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 964. [2022-12-13 15:30:18,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 964 states, 628 states have (on average 1.2245222929936306) internal successors, (769), 666 states have internal predecessors, (769), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:30:18,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 964 states and 1237 transitions. [2022-12-13 15:30:18,413 INFO L78 Accepts]: Start accepts. Automaton has 964 states and 1237 transitions. Word has length 83 [2022-12-13 15:30:18,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:18,414 INFO L495 AbstractCegarLoop]: Abstraction has 964 states and 1237 transitions. [2022-12-13 15:30:18,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-12-13 15:30:18,414 INFO L276 IsEmpty]: Start isEmpty. Operand 964 states and 1237 transitions. [2022-12-13 15:30:18,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-13 15:30:18,415 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:18,415 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:18,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:30:18,415 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:18,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:18,415 INFO L85 PathProgramCache]: Analyzing trace with hash -211055885, now seen corresponding path program 1 times [2022-12-13 15:30:18,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:18,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274241924] [2022-12-13 15:30:18,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:18,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:18,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:18,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:18,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:18,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:18,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:18,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:18,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:18,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:18,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:18,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:18,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:18,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:30:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:18,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:30:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:18,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:30:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:18,666 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:30:18,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:18,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274241924] [2022-12-13 15:30:18,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274241924] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:18,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:18,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:18,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890384022] [2022-12-13 15:30:18,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:18,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:18,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:18,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:18,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:18,668 INFO L87 Difference]: Start difference. First operand 964 states and 1237 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 15:30:20,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:20,538 INFO L93 Difference]: Finished difference Result 964 states and 1237 transitions. [2022-12-13 15:30:20,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:20,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 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 89 [2022-12-13 15:30:20,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:20,544 INFO L225 Difference]: With dead ends: 964 [2022-12-13 15:30:20,544 INFO L226 Difference]: Without dead ends: 962 [2022-12-13 15:30:20,544 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:20,545 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1594 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1418 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1767 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2078 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:20,545 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1767 Valid, 2292 Invalid, 2078 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1418 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-13 15:30:20,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2022-12-13 15:30:20,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2022-12-13 15:30:20,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 627 states have (on average 1.223285486443381) internal successors, (767), 664 states have internal predecessors, (767), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:30:20,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1235 transitions. [2022-12-13 15:30:20,579 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1235 transitions. Word has length 89 [2022-12-13 15:30:20,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:20,580 INFO L495 AbstractCegarLoop]: Abstraction has 962 states and 1235 transitions. [2022-12-13 15:30:20,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-12-13 15:30:20,580 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1235 transitions. [2022-12-13 15:30:20,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-13 15:30:20,581 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:20,581 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:20,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:30:20,581 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:20,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:20,582 INFO L85 PathProgramCache]: Analyzing trace with hash 815307314, now seen corresponding path program 1 times [2022-12-13 15:30:20,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:20,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005931937] [2022-12-13 15:30:20,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:20,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:20,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:20,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:20,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:20,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:20,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:20,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:20,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:20,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:20,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:20,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:20,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:20,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:30:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:20,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:30:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:20,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:30:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:20,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:30:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:20,891 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:30:20,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:20,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1005931937] [2022-12-13 15:30:20,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1005931937] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:20,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:20,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:20,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763334946] [2022-12-13 15:30:20,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:20,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:20,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:20,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:20,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:20,893 INFO L87 Difference]: Start difference. First operand 962 states and 1235 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 15:30:22,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:22,791 INFO L93 Difference]: Finished difference Result 962 states and 1235 transitions. [2022-12-13 15:30:22,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:22,792 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 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 95 [2022-12-13 15:30:22,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:22,796 INFO L225 Difference]: With dead ends: 962 [2022-12-13 15:30:22,796 INFO L226 Difference]: Without dead ends: 960 [2022-12-13 15:30:22,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:22,797 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1588 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1414 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2074 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:22,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 2292 Invalid, 2074 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1414 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-13 15:30:22,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2022-12-13 15:30:22,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2022-12-13 15:30:22,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 626 states have (on average 1.2220447284345048) internal successors, (765), 662 states have internal predecessors, (765), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:30:22,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1233 transitions. [2022-12-13 15:30:22,835 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1233 transitions. Word has length 95 [2022-12-13 15:30:22,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:22,835 INFO L495 AbstractCegarLoop]: Abstraction has 960 states and 1233 transitions. [2022-12-13 15:30:22,836 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-12-13 15:30:22,836 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1233 transitions. [2022-12-13 15:30:22,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-13 15:30:22,837 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:22,837 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:22,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 15:30:22,837 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:22,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:22,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1270479710, now seen corresponding path program 1 times [2022-12-13 15:30:22,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:22,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532384399] [2022-12-13 15:30:22,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:22,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:30:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:30:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:30:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:30:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:30:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:23,072 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:30:23,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:23,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532384399] [2022-12-13 15:30:23,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532384399] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:23,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:23,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:23,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995169456] [2022-12-13 15:30:23,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:23,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:23,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:23,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:23,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:23,074 INFO L87 Difference]: Start difference. First operand 960 states and 1233 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 15:30:24,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:24,670 INFO L93 Difference]: Finished difference Result 960 states and 1233 transitions. [2022-12-13 15:30:24,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:24,671 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 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 101 [2022-12-13 15:30:24,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:24,675 INFO L225 Difference]: With dead ends: 960 [2022-12-13 15:30:24,675 INFO L226 Difference]: Without dead ends: 958 [2022-12-13 15:30:24,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:24,676 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1582 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1410 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1753 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2070 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1410 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:24,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1753 Valid, 2292 Invalid, 2070 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1410 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 15:30:24,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2022-12-13 15:30:24,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2022-12-13 15:30:24,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 625 states have (on average 1.2208) internal successors, (763), 660 states have internal predecessors, (763), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:30:24,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1231 transitions. [2022-12-13 15:30:24,736 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1231 transitions. Word has length 101 [2022-12-13 15:30:24,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:24,736 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1231 transitions. [2022-12-13 15:30:24,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 15:30:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1231 transitions. [2022-12-13 15:30:24,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-13 15:30:24,738 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:24,738 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:24,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 15:30:24,739 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:24,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:24,739 INFO L85 PathProgramCache]: Analyzing trace with hash 822566930, now seen corresponding path program 1 times [2022-12-13 15:30:24,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:24,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487726551] [2022-12-13 15:30:24,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:24,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:24,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:30:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:30:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:30:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:30:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:30:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:30:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:24,972 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:30:24,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:24,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487726551] [2022-12-13 15:30:24,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487726551] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:24,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:24,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:24,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276354936] [2022-12-13 15:30:24,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:24,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:24,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:24,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:24,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:24,973 INFO L87 Difference]: Start difference. First operand 958 states and 1231 transitions. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:30:26,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:26,611 INFO L93 Difference]: Finished difference Result 958 states and 1231 transitions. [2022-12-13 15:30:26,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:26,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 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 107 [2022-12-13 15:30:26,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:26,615 INFO L225 Difference]: With dead ends: 958 [2022-12-13 15:30:26,615 INFO L226 Difference]: Without dead ends: 956 [2022-12-13 15:30:26,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:26,615 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1576 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1406 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1746 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2066 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1406 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:26,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1746 Valid, 2292 Invalid, 2066 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1406 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 15:30:26,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2022-12-13 15:30:26,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 956. [2022-12-13 15:30:26,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 624 states have (on average 1.2195512820512822) internal successors, (761), 658 states have internal predecessors, (761), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:30:26,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1229 transitions. [2022-12-13 15:30:26,656 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1229 transitions. Word has length 107 [2022-12-13 15:30:26,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:26,656 INFO L495 AbstractCegarLoop]: Abstraction has 956 states and 1229 transitions. [2022-12-13 15:30:26,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:30:26,656 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1229 transitions. [2022-12-13 15:30:26,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-13 15:30:26,657 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:26,657 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:26,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 15:30:26,658 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:26,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:26,658 INFO L85 PathProgramCache]: Analyzing trace with hash 579746993, now seen corresponding path program 1 times [2022-12-13 15:30:26,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:26,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797704191] [2022-12-13 15:30:26,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:26,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:26,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:30:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:30:26,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:30:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:30:26,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:30:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:30:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:30:26,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:26,896 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:30:26,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:26,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797704191] [2022-12-13 15:30:26,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797704191] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:26,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:26,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:26,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387175924] [2022-12-13 15:30:26,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:26,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:26,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:26,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:26,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:26,898 INFO L87 Difference]: Start difference. First operand 956 states and 1229 transitions. Second operand has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 15:30:28,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:28,485 INFO L93 Difference]: Finished difference Result 956 states and 1229 transitions. [2022-12-13 15:30:28,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:28,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 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 113 [2022-12-13 15:30:28,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:28,488 INFO L225 Difference]: With dead ends: 956 [2022-12-13 15:30:28,488 INFO L226 Difference]: Without dead ends: 954 [2022-12-13 15:30:28,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:28,489 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1574 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1743 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:28,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1743 Valid, 2292 Invalid, 2058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 15:30:28,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2022-12-13 15:30:28,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 954. [2022-12-13 15:30:28,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 623 states have (on average 1.218298555377207) internal successors, (759), 656 states have internal predecessors, (759), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:30:28,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1227 transitions. [2022-12-13 15:30:28,533 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1227 transitions. Word has length 113 [2022-12-13 15:30:28,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:28,534 INFO L495 AbstractCegarLoop]: Abstraction has 954 states and 1227 transitions. [2022-12-13 15:30:28,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 15:30:28,534 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1227 transitions. [2022-12-13 15:30:28,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-13 15:30:28,535 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:28,536 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:28,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 15:30:28,536 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:28,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:28,536 INFO L85 PathProgramCache]: Analyzing trace with hash -1208753388, now seen corresponding path program 1 times [2022-12-13 15:30:28,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:28,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148314065] [2022-12-13 15:30:28,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:28,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:28,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:28,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:28,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:30:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:30:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:30:28,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:30:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:30:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:30:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:30:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:30:28,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:28,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148314065] [2022-12-13 15:30:28,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148314065] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:28,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:28,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:28,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629079025] [2022-12-13 15:30:28,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:28,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:28,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:28,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:28,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:28,757 INFO L87 Difference]: Start difference. First operand 954 states and 1227 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 15:30:30,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:30,293 INFO L93 Difference]: Finished difference Result 954 states and 1227 transitions. [2022-12-13 15:30:30,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:30,293 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 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 115 [2022-12-13 15:30:30,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:30,296 INFO L225 Difference]: With dead ends: 954 [2022-12-13 15:30:30,297 INFO L226 Difference]: Without dead ends: 952 [2022-12-13 15:30:30,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:30,297 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1562 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1398 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1731 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1398 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:30,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1731 Valid, 2292 Invalid, 2058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1398 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 15:30:30,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2022-12-13 15:30:30,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 952. [2022-12-13 15:30:30,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 622 states have (on average 1.2170418006430868) internal successors, (757), 654 states have internal predecessors, (757), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:30:30,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1225 transitions. [2022-12-13 15:30:30,345 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1225 transitions. Word has length 115 [2022-12-13 15:30:30,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:30,345 INFO L495 AbstractCegarLoop]: Abstraction has 952 states and 1225 transitions. [2022-12-13 15:30:30,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-12-13 15:30:30,345 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1225 transitions. [2022-12-13 15:30:30,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-13 15:30:30,347 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:30,347 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:30,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 15:30:30,347 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:30,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:30,347 INFO L85 PathProgramCache]: Analyzing trace with hash 1762888219, now seen corresponding path program 1 times [2022-12-13 15:30:30,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:30,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545639175] [2022-12-13 15:30:30,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:30,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:30,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:30,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:30:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:30:30,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:30:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:30:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:30:30,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:30:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:30:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:30:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:30,566 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:30:30,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:30,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545639175] [2022-12-13 15:30:30,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545639175] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:30,566 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:30,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:30,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492576816] [2022-12-13 15:30:30,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:30,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:30,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:30,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:30,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:30,568 INFO L87 Difference]: Start difference. First operand 952 states and 1225 transitions. Second operand has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:30:32,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:32,363 INFO L93 Difference]: Finished difference Result 952 states and 1225 transitions. [2022-12-13 15:30:32,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:32,364 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 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 121 [2022-12-13 15:30:32,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:32,366 INFO L225 Difference]: With dead ends: 952 [2022-12-13 15:30:32,366 INFO L226 Difference]: Without dead ends: 950 [2022-12-13 15:30:32,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:32,367 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1558 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1726 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:32,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1726 Valid, 2292 Invalid, 2054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-13 15:30:32,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2022-12-13 15:30:32,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 950. [2022-12-13 15:30:32,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 621 states have (on average 1.2157809983896941) internal successors, (755), 652 states have internal predecessors, (755), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:30:32,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1223 transitions. [2022-12-13 15:30:32,414 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1223 transitions. Word has length 121 [2022-12-13 15:30:32,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:32,414 INFO L495 AbstractCegarLoop]: Abstraction has 950 states and 1223 transitions. [2022-12-13 15:30:32,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.833333333333334) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-12-13 15:30:32,414 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1223 transitions. [2022-12-13 15:30:32,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-12-13 15:30:32,416 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:32,416 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 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] [2022-12-13 15:30:32,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 15:30:32,416 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:32,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:32,416 INFO L85 PathProgramCache]: Analyzing trace with hash 471171600, now seen corresponding path program 1 times [2022-12-13 15:30:32,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:32,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910203191] [2022-12-13 15:30:32,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:32,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:32,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:30:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:32,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:30:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 15:30:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:32,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:30:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:32,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:32,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:30:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:32,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:32,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:30:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:30:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 15:30:32,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-12-13 15:30:32,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:32,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910203191] [2022-12-13 15:30:32,988 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910203191] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:32,988 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:32,988 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 15:30:32,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414651694] [2022-12-13 15:30:32,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:32,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 15:30:32,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:32,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 15:30:32,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:30:32,990 INFO L87 Difference]: Start difference. First operand 950 states and 1223 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 15:30:36,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:36,188 INFO L93 Difference]: Finished difference Result 1874 states and 2419 transitions. [2022-12-13 15:30:36,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 15:30:36,189 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 5 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 164 [2022-12-13 15:30:36,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:36,195 INFO L225 Difference]: With dead ends: 1874 [2022-12-13 15:30:36,195 INFO L226 Difference]: Without dead ends: 963 [2022-12-13 15:30:36,197 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-12-13 15:30:36,197 INFO L413 NwaCegarLoop]: 809 mSDtfsCounter, 1886 mSDsluCounter, 2964 mSDsCounter, 0 mSdLazyCounter, 3024 mSolverCounterSat, 938 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2066 SdHoareTripleChecker+Valid, 3773 SdHoareTripleChecker+Invalid, 3962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 938 IncrementalHoareTripleChecker+Valid, 3024 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:36,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2066 Valid, 3773 Invalid, 3962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [938 Valid, 3024 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-12-13 15:30:36,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2022-12-13 15:30:36,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 950. [2022-12-13 15:30:36,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 621 states have (on average 1.214170692431562) internal successors, (754), 652 states have internal predecessors, (754), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:30:36,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1222 transitions. [2022-12-13 15:30:36,301 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1222 transitions. Word has length 164 [2022-12-13 15:30:36,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:36,302 INFO L495 AbstractCegarLoop]: Abstraction has 950 states and 1222 transitions. [2022-12-13 15:30:36,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 5 states have internal predecessors, (48), 2 states have call successors, (18), 5 states have call predecessors, (18), 2 states have return successors, (15), 3 states have call predecessors, (15), 2 states have call successors, (15) [2022-12-13 15:30:36,302 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1222 transitions. [2022-12-13 15:30:36,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-12-13 15:30:36,303 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:36,303 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 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] [2022-12-13 15:30:36,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-13 15:30:36,304 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_alloc_irq_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:36,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:36,304 INFO L85 PathProgramCache]: Analyzing trace with hash 471231182, now seen corresponding path program 1 times [2022-12-13 15:30:36,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:36,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222379226] [2022-12-13 15:30:36,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:36,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:30:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:36,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:36,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:30:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 15:30:36,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:36,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:30:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:36,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:30:36,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:30:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:30:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-12-13 15:30:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-12-13 15:30:36,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:36,667 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222379226] [2022-12-13 15:30:36,667 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222379226] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:36,667 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:36,667 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-13 15:30:36,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849676194] [2022-12-13 15:30:36,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:36,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 15:30:36,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:36,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 15:30:36,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:30:36,669 INFO L87 Difference]: Start difference. First operand 950 states and 1222 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-12-13 15:30:38,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:38,941 INFO L93 Difference]: Finished difference Result 963 states and 1243 transitions. [2022-12-13 15:30:38,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:30:38,942 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 164 [2022-12-13 15:30:38,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:38,945 INFO L225 Difference]: With dead ends: 963 [2022-12-13 15:30:38,945 INFO L226 Difference]: Without dead ends: 961 [2022-12-13 15:30:38,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-12-13 15:30:38,946 INFO L413 NwaCegarLoop]: 808 mSDtfsCounter, 957 mSDsluCounter, 2530 mSDsCounter, 0 mSdLazyCounter, 2224 mSolverCounterSat, 840 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 957 SdHoareTripleChecker+Valid, 3338 SdHoareTripleChecker+Invalid, 3064 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 840 IncrementalHoareTripleChecker+Valid, 2224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:38,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [957 Valid, 3338 Invalid, 3064 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [840 Valid, 2224 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 15:30:38,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 961 states. [2022-12-13 15:30:39,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 961 to 948. [2022-12-13 15:30:39,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 620 states have (on average 1.2129032258064516) internal successors, (752), 650 states have internal predecessors, (752), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:30:39,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1220 transitions. [2022-12-13 15:30:39,007 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1220 transitions. Word has length 164 [2022-12-13 15:30:39,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:39,008 INFO L495 AbstractCegarLoop]: Abstraction has 948 states and 1220 transitions. [2022-12-13 15:30:39,008 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-12-13 15:30:39,008 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1220 transitions. [2022-12-13 15:30:39,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-13 15:30:39,009 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:39,009 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:39,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-13 15:30:39,009 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:39,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:39,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1014501613, now seen corresponding path program 1 times [2022-12-13 15:30:39,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:39,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323515120] [2022-12-13 15:30:39,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:39,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:39,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:39,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:30:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:30:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:30:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:30:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:30:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:30:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:30:39,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:30:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 15:30:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:39,242 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:30:39,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:39,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323515120] [2022-12-13 15:30:39,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323515120] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:39,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:39,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:39,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336595138] [2022-12-13 15:30:39,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:39,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:39,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:39,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:39,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:39,244 INFO L87 Difference]: Start difference. First operand 948 states and 1220 transitions. Second operand has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:30:41,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:41,109 INFO L93 Difference]: Finished difference Result 948 states and 1220 transitions. [2022-12-13 15:30:41,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:41,110 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 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 127 [2022-12-13 15:30:41,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:41,115 INFO L225 Difference]: With dead ends: 948 [2022-12-13 15:30:41,115 INFO L226 Difference]: Without dead ends: 946 [2022-12-13 15:30:41,115 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:41,116 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1543 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1710 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2044 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:41,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1710 Valid, 2292 Invalid, 2044 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1384 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-13 15:30:41,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2022-12-13 15:30:41,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 946. [2022-12-13 15:30:41,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 619 states have (on average 1.2116316639741518) internal successors, (750), 648 states have internal predecessors, (750), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:30:41,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1218 transitions. [2022-12-13 15:30:41,179 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1218 transitions. Word has length 127 [2022-12-13 15:30:41,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:41,179 INFO L495 AbstractCegarLoop]: Abstraction has 946 states and 1218 transitions. [2022-12-13 15:30:41,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-12-13 15:30:41,180 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1218 transitions. [2022-12-13 15:30:41,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-12-13 15:30:41,180 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:41,181 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 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] [2022-12-13 15:30:41,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-12-13 15:30:41,181 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:41,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:41,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1543255468, now seen corresponding path program 1 times [2022-12-13 15:30:41,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:41,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665786574] [2022-12-13 15:30:41,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:41,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:30:41,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:30:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:41,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:41,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 15:30:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:41,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:30:41,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:30:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:41,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:30:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:30:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 15:30:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:41,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:41,429 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-12-13 15:30:41,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:41,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665786574] [2022-12-13 15:30:41,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665786574] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:41,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:41,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:41,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765827765] [2022-12-13 15:30:41,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:41,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:41,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:41,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:41,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:41,431 INFO L87 Difference]: Start difference. First operand 946 states and 1218 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:30:43,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:43,254 INFO L93 Difference]: Finished difference Result 1862 states and 2405 transitions. [2022-12-13 15:30:43,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:43,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (19), 5 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 171 [2022-12-13 15:30:43,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:43,258 INFO L225 Difference]: With dead ends: 1862 [2022-12-13 15:30:43,259 INFO L226 Difference]: Without dead ends: 955 [2022-12-13 15:30:43,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:43,262 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1843 mSDsluCounter, 1286 mSDsCounter, 0 mSdLazyCounter, 1023 mSolverCounterSat, 937 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2025 SdHoareTripleChecker+Valid, 2093 SdHoareTripleChecker+Invalid, 1960 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 937 IncrementalHoareTripleChecker+Valid, 1023 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:43,262 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2025 Valid, 2093 Invalid, 1960 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [937 Valid, 1023 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-12-13 15:30:43,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states. [2022-12-13 15:30:43,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 942. [2022-12-13 15:30:43,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 616 states have (on average 1.2094155844155845) internal successors, (745), 644 states have internal predecessors, (745), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:30:43,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1213 transitions. [2022-12-13 15:30:43,363 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1213 transitions. Word has length 171 [2022-12-13 15:30:43,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:43,363 INFO L495 AbstractCegarLoop]: Abstraction has 942 states and 1213 transitions. [2022-12-13 15:30:43,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (19), 5 states have call predecessors, (19), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-12-13 15:30:43,363 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1213 transitions. [2022-12-13 15:30:43,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-13 15:30:43,364 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:43,364 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:43,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-12-13 15:30:43,365 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:43,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:43,365 INFO L85 PathProgramCache]: Analyzing trace with hash 398089944, now seen corresponding path program 1 times [2022-12-13 15:30:43,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:43,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529634740] [2022-12-13 15:30:43,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:43,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:43,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:43,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:43,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:43,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:30:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:30:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:30:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:30:43,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:30:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:30:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:30:43,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:30:43,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 15:30:43,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:30:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:43,562 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:30:43,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:43,562 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1529634740] [2022-12-13 15:30:43,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1529634740] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:43,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:43,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:43,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613764624] [2022-12-13 15:30:43,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:43,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:43,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:43,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:43,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:43,563 INFO L87 Difference]: Start difference. First operand 942 states and 1213 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 15:30:45,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:45,356 INFO L93 Difference]: Finished difference Result 942 states and 1213 transitions. [2022-12-13 15:30:45,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:45,357 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 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 133 [2022-12-13 15:30:45,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:45,363 INFO L225 Difference]: With dead ends: 942 [2022-12-13 15:30:45,363 INFO L226 Difference]: Without dead ends: 940 [2022-12-13 15:30:45,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:45,363 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1522 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1370 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1688 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:45,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1688 Valid, 2292 Invalid, 2030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1370 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-13 15:30:45,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2022-12-13 15:30:45,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 940. [2022-12-13 15:30:45,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 615 states have (on average 1.2081300813008131) internal successors, (743), 642 states have internal predecessors, (743), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:30:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1211 transitions. [2022-12-13 15:30:45,428 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1211 transitions. Word has length 133 [2022-12-13 15:30:45,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:45,428 INFO L495 AbstractCegarLoop]: Abstraction has 940 states and 1211 transitions. [2022-12-13 15:30:45,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-12-13 15:30:45,428 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1211 transitions. [2022-12-13 15:30:45,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-12-13 15:30:45,429 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:45,429 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:45,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-12-13 15:30:45,429 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:45,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:45,430 INFO L85 PathProgramCache]: Analyzing trace with hash -1553798807, now seen corresponding path program 1 times [2022-12-13 15:30:45,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:45,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398732675] [2022-12-13 15:30:45,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:45,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:30:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:30:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:30:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:45,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:45,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:30:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:30:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:30:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:30:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:45,932 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2022-12-13 15:30:45,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:45,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398732675] [2022-12-13 15:30:45,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398732675] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:45,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:45,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 15:30:45,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92922654] [2022-12-13 15:30:45,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:45,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 15:30:45,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:45,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 15:30:45,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:30:45,934 INFO L87 Difference]: Start difference. First operand 940 states and 1211 transitions. Second operand has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2022-12-13 15:30:48,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:48,768 INFO L93 Difference]: Finished difference Result 1898 states and 2483 transitions. [2022-12-13 15:30:48,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 15:30:48,768 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 167 [2022-12-13 15:30:48,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:48,772 INFO L225 Difference]: With dead ends: 1898 [2022-12-13 15:30:48,772 INFO L226 Difference]: Without dead ends: 1232 [2022-12-13 15:30:48,773 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-12-13 15:30:48,773 INFO L413 NwaCegarLoop]: 934 mSDtfsCounter, 1412 mSDsluCounter, 3916 mSDsCounter, 0 mSdLazyCounter, 3876 mSolverCounterSat, 1225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1412 SdHoareTripleChecker+Valid, 4850 SdHoareTripleChecker+Invalid, 5101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1225 IncrementalHoareTripleChecker+Valid, 3876 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:48,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1412 Valid, 4850 Invalid, 5101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1225 Valid, 3876 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-12-13 15:30:48,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1232 states. [2022-12-13 15:30:48,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1232 to 945. [2022-12-13 15:30:48,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 619 states have (on average 1.2067851373182552) internal successors, (747), 646 states have internal predecessors, (747), 235 states have call successors, (235), 75 states have call predecessors, (235), 75 states have return successors, (236), 231 states have call predecessors, (236), 233 states have call successors, (236) [2022-12-13 15:30:48,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1218 transitions. [2022-12-13 15:30:48,855 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1218 transitions. Word has length 167 [2022-12-13 15:30:48,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:48,855 INFO L495 AbstractCegarLoop]: Abstraction has 945 states and 1218 transitions. [2022-12-13 15:30:48,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.666666666666667) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2022-12-13 15:30:48,856 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1218 transitions. [2022-12-13 15:30:48,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-13 15:30:48,856 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:48,857 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:48,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-12-13 15:30:48,857 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:48,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:48,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1337022155, now seen corresponding path program 1 times [2022-12-13 15:30:48,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:48,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109854932] [2022-12-13 15:30:48,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:48,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:30:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:30:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:30:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:30:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:30:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:30:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:30:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:30:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 15:30:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:30:49,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 15:30:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:49,154 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:30:49,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:49,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109854932] [2022-12-13 15:30:49,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109854932] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:49,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:49,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:49,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627130090] [2022-12-13 15:30:49,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:49,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:49,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:49,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:49,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:49,155 INFO L87 Difference]: Start difference. First operand 945 states and 1218 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 15:30:50,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:50,695 INFO L93 Difference]: Finished difference Result 945 states and 1218 transitions. [2022-12-13 15:30:50,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:50,696 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 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 139 [2022-12-13 15:30:50,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:50,700 INFO L225 Difference]: With dead ends: 945 [2022-12-13 15:30:50,700 INFO L226 Difference]: Without dead ends: 943 [2022-12-13 15:30:50,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:50,701 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1516 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1681 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:50,701 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1681 Valid, 2292 Invalid, 2026 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1366 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 15:30:50,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2022-12-13 15:30:50,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 943. [2022-12-13 15:30:50,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 943 states, 618 states have (on average 1.2055016181229774) internal successors, (745), 644 states have internal predecessors, (745), 235 states have call successors, (235), 75 states have call predecessors, (235), 75 states have return successors, (236), 231 states have call predecessors, (236), 233 states have call successors, (236) [2022-12-13 15:30:50,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 943 states and 1216 transitions. [2022-12-13 15:30:50,792 INFO L78 Accepts]: Start accepts. Automaton has 943 states and 1216 transitions. Word has length 139 [2022-12-13 15:30:50,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:50,793 INFO L495 AbstractCegarLoop]: Abstraction has 943 states and 1216 transitions. [2022-12-13 15:30:50,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-12-13 15:30:50,793 INFO L276 IsEmpty]: Start isEmpty. Operand 943 states and 1216 transitions. [2022-12-13 15:30:50,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-13 15:30:50,794 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:50,794 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:50,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-12-13 15:30:50,794 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:50,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:50,794 INFO L85 PathProgramCache]: Analyzing trace with hash 291761190, now seen corresponding path program 1 times [2022-12-13 15:30:50,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:50,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607118474] [2022-12-13 15:30:50,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:50,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:50,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:30:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:30:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:30:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:30:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:30:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:30:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:30:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:30:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:50,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 15:30:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:51,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:30:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 15:30:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:51,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:30:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:51,014 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:30:51,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:51,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607118474] [2022-12-13 15:30:51,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607118474] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:51,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:51,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:51,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182103638] [2022-12-13 15:30:51,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:51,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:51,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:51,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:51,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:51,016 INFO L87 Difference]: Start difference. First operand 943 states and 1216 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 15:30:52,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:52,814 INFO L93 Difference]: Finished difference Result 943 states and 1216 transitions. [2022-12-13 15:30:52,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:52,814 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 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 145 [2022-12-13 15:30:52,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:52,817 INFO L225 Difference]: With dead ends: 943 [2022-12-13 15:30:52,817 INFO L226 Difference]: Without dead ends: 941 [2022-12-13 15:30:52,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:52,818 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1510 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1362 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1674 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2022 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:52,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1674 Valid, 2292 Invalid, 2022 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1362 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-12-13 15:30:52,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 941 states. [2022-12-13 15:30:52,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 941 to 941. [2022-12-13 15:30:52,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 941 states, 617 states have (on average 1.2042139384116695) internal successors, (743), 642 states have internal predecessors, (743), 235 states have call successors, (235), 75 states have call predecessors, (235), 75 states have return successors, (236), 231 states have call predecessors, (236), 233 states have call successors, (236) [2022-12-13 15:30:52,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 941 states and 1214 transitions. [2022-12-13 15:30:52,903 INFO L78 Accepts]: Start accepts. Automaton has 941 states and 1214 transitions. Word has length 145 [2022-12-13 15:30:52,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:52,903 INFO L495 AbstractCegarLoop]: Abstraction has 941 states and 1214 transitions. [2022-12-13 15:30:52,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 4 states have internal predecessors, (87), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 15:30:52,903 INFO L276 IsEmpty]: Start isEmpty. Operand 941 states and 1214 transitions. [2022-12-13 15:30:52,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-12-13 15:30:52,904 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:52,904 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:52,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-12-13 15:30:52,905 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:52,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:52,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1482677209, now seen corresponding path program 1 times [2022-12-13 15:30:52,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:52,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110195257] [2022-12-13 15:30:52,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:52,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:53,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:53,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:30:53,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:30:53,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:53,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:30:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:30:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:30:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:30:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:30:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:53,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:30:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:30:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:53,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:53,336 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2022-12-13 15:30:53,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:53,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110195257] [2022-12-13 15:30:53,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110195257] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:53,336 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:53,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 15:30:53,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37046200] [2022-12-13 15:30:53,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:53,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 15:30:53,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:53,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 15:30:53,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:30:53,338 INFO L87 Difference]: Start difference. First operand 941 states and 1214 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 15:30:55,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:55,852 INFO L93 Difference]: Finished difference Result 1054 states and 1333 transitions. [2022-12-13 15:30:55,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 15:30:55,852 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 183 [2022-12-13 15:30:55,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:55,855 INFO L225 Difference]: With dead ends: 1054 [2022-12-13 15:30:55,855 INFO L226 Difference]: Without dead ends: 1052 [2022-12-13 15:30:55,856 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2022-12-13 15:30:55,856 INFO L413 NwaCegarLoop]: 808 mSDtfsCounter, 1868 mSDsluCounter, 2593 mSDsCounter, 0 mSdLazyCounter, 2463 mSolverCounterSat, 1002 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2021 SdHoareTripleChecker+Valid, 3401 SdHoareTripleChecker+Invalid, 3465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1002 IncrementalHoareTripleChecker+Valid, 2463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:55,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2021 Valid, 3401 Invalid, 3465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1002 Valid, 2463 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-13 15:30:55,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2022-12-13 15:30:56,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1035. [2022-12-13 15:30:56,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1035 states, 680 states have (on average 1.2) internal successors, (816), 705 states have internal predecessors, (816), 247 states have call successors, (247), 94 states have call predecessors, (247), 94 states have return successors, (248), 243 states have call predecessors, (248), 245 states have call successors, (248) [2022-12-13 15:30:56,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 1035 states and 1311 transitions. [2022-12-13 15:30:56,031 INFO L78 Accepts]: Start accepts. Automaton has 1035 states and 1311 transitions. Word has length 183 [2022-12-13 15:30:56,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:56,031 INFO L495 AbstractCegarLoop]: Abstraction has 1035 states and 1311 transitions. [2022-12-13 15:30:56,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 15:30:56,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1311 transitions. [2022-12-13 15:30:56,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-12-13 15:30:56,034 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:56,034 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:56,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-12-13 15:30:56,034 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:56,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:56,035 INFO L85 PathProgramCache]: Analyzing trace with hash 88459607, now seen corresponding path program 1 times [2022-12-13 15:30:56,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:56,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761600564] [2022-12-13 15:30:56,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:56,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:56,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:56,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:30:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:30:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:30:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:30:56,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:30:56,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:30:56,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:30:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:30:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:30:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:30:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:30:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:30:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:30:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 15:30:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:30:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 15:30:56,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:30:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:30:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:56,374 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:30:56,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:56,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761600564] [2022-12-13 15:30:56,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761600564] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:56,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:56,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:56,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765667236] [2022-12-13 15:30:56,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:56,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:56,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:56,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:56,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:56,376 INFO L87 Difference]: Start difference. First operand 1035 states and 1311 transitions. Second operand has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 15:30:58,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:30:58,014 INFO L93 Difference]: Finished difference Result 1035 states and 1311 transitions. [2022-12-13 15:30:58,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:30:58,015 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 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 151 [2022-12-13 15:30:58,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:30:58,021 INFO L225 Difference]: With dead ends: 1035 [2022-12-13 15:30:58,021 INFO L226 Difference]: Without dead ends: 1033 [2022-12-13 15:30:58,022 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:30:58,022 INFO L413 NwaCegarLoop]: 807 mSDtfsCounter, 1504 mSDsluCounter, 1485 mSDsCounter, 0 mSdLazyCounter, 1358 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1667 SdHoareTripleChecker+Valid, 2292 SdHoareTripleChecker+Invalid, 2018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:30:58,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1667 Valid, 2292 Invalid, 2018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1358 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 15:30:58,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1033 states. [2022-12-13 15:30:58,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1033 to 1033. [2022-12-13 15:30:58,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1033 states, 679 states have (on average 1.198821796759941) internal successors, (814), 703 states have internal predecessors, (814), 247 states have call successors, (247), 94 states have call predecessors, (247), 94 states have return successors, (248), 243 states have call predecessors, (248), 245 states have call successors, (248) [2022-12-13 15:30:58,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1309 transitions. [2022-12-13 15:30:58,212 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1309 transitions. Word has length 151 [2022-12-13 15:30:58,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:30:58,212 INFO L495 AbstractCegarLoop]: Abstraction has 1033 states and 1309 transitions. [2022-12-13 15:30:58,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.166666666666666) internal successors, (91), 4 states have internal predecessors, (91), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 15:30:58,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1309 transitions. [2022-12-13 15:30:58,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-12-13 15:30:58,215 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:30:58,215 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:30:58,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-12-13 15:30:58,215 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:30:58,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:30:58,216 INFO L85 PathProgramCache]: Analyzing trace with hash 870017022, now seen corresponding path program 1 times [2022-12-13 15:30:58,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:30:58,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161916981] [2022-12-13 15:30:58,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:30:58,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:30:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:30:58,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:30:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:30:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:58,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:30:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:30:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 15:30:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:30:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:30:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:30:58,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:30:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:30:58,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:30:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:30:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:58,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:30:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:30:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:30:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:30:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:30:58,465 INFO L134 CoverageAnalysis]: Checked inductivity of 383 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2022-12-13 15:30:58,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:30:58,465 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161916981] [2022-12-13 15:30:58,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161916981] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:30:58,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:30:58,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:30:58,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136646238] [2022-12-13 15:30:58,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:30:58,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:30:58,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:30:58,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:30:58,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:30:58,466 INFO L87 Difference]: Start difference. First operand 1033 states and 1309 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 15:31:00,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:31:00,568 INFO L93 Difference]: Finished difference Result 1941 states and 2441 transitions. [2022-12-13 15:31:00,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:31:00,568 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 199 [2022-12-13 15:31:00,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:31:00,571 INFO L225 Difference]: With dead ends: 1941 [2022-12-13 15:31:00,571 INFO L226 Difference]: Without dead ends: 1040 [2022-12-13 15:31:00,573 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:31:00,573 INFO L413 NwaCegarLoop]: 616 mSDtfsCounter, 1822 mSDsluCounter, 1270 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 942 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2007 SdHoareTripleChecker+Valid, 1886 SdHoareTripleChecker+Invalid, 2150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 942 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:31:00,573 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2007 Valid, 1886 Invalid, 2150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [942 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-12-13 15:31:00,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1040 states. [2022-12-13 15:31:00,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1040 to 1029. [2022-12-13 15:31:00,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1029 states, 676 states have (on average 1.1967455621301775) internal successors, (809), 699 states have internal predecessors, (809), 247 states have call successors, (247), 94 states have call predecessors, (247), 94 states have return successors, (248), 243 states have call predecessors, (248), 245 states have call successors, (248) [2022-12-13 15:31:00,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 1029 states and 1304 transitions. [2022-12-13 15:31:00,671 INFO L78 Accepts]: Start accepts. Automaton has 1029 states and 1304 transitions. Word has length 199 [2022-12-13 15:31:00,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:31:00,672 INFO L495 AbstractCegarLoop]: Abstraction has 1029 states and 1304 transitions. [2022-12-13 15:31:00,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 3 states have internal predecessors, (70), 2 states have call successors, (22), 4 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-12-13 15:31:00,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1304 transitions. [2022-12-13 15:31:00,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-12-13 15:31:00,673 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:31:00,673 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:31:00,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-12-13 15:31:00,673 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:31:00,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:31:00,673 INFO L85 PathProgramCache]: Analyzing trace with hash -5414076, now seen corresponding path program 1 times [2022-12-13 15:31:00,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:31:00,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842692925] [2022-12-13 15:31:00,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:00,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:31:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:00,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:31:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:00,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:31:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:00,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:00,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:00,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:31:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:00,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:31:00,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:00,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:31:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:00,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:00,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:00,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:31:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:00,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:31:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:31:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:00,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:31:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:01,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:31:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:01,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:31:01,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:01,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:31:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:01,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:31:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:01,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:31:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:01,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:31:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:01,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 15:31:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:01,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:31:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:01,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 15:31:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:01,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:31:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:01,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:31:01,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:01,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 15:31:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:01,041 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:31:01,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:31:01,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842692925] [2022-12-13 15:31:01,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842692925] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:31:01,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:31:01,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:31:01,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499469916] [2022-12-13 15:31:01,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:31:01,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:31:01,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:31:01,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:31:01,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:31:01,042 INFO L87 Difference]: Start difference. First operand 1029 states and 1304 transitions. Second operand has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 15:31:03,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:31:03,057 INFO L93 Difference]: Finished difference Result 1029 states and 1304 transitions. [2022-12-13 15:31:03,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:31:03,057 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 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 157 [2022-12-13 15:31:03,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:31:03,062 INFO L225 Difference]: With dead ends: 1029 [2022-12-13 15:31:03,062 INFO L226 Difference]: Without dead ends: 1027 [2022-12-13 15:31:03,062 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:31:03,063 INFO L413 NwaCegarLoop]: 802 mSDtfsCounter, 1493 mSDsluCounter, 1471 mSDsCounter, 0 mSdLazyCounter, 1353 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1655 SdHoareTripleChecker+Valid, 2273 SdHoareTripleChecker+Invalid, 2013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:31:03,063 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1655 Valid, 2273 Invalid, 2013 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1353 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-12-13 15:31:03,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1027 states. [2022-12-13 15:31:03,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1027 to 1027. [2022-12-13 15:31:03,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1027 states, 675 states have (on average 1.1955555555555555) internal successors, (807), 697 states have internal predecessors, (807), 247 states have call successors, (247), 94 states have call predecessors, (247), 94 states have return successors, (248), 243 states have call predecessors, (248), 245 states have call successors, (248) [2022-12-13 15:31:03,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1302 transitions. [2022-12-13 15:31:03,169 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1302 transitions. Word has length 157 [2022-12-13 15:31:03,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:31:03,169 INFO L495 AbstractCegarLoop]: Abstraction has 1027 states and 1302 transitions. [2022-12-13 15:31:03,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 4 states have internal predecessors, (95), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 15:31:03,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1302 transitions. [2022-12-13 15:31:03,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-12-13 15:31:03,171 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:31:03,171 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-13 15:31:03,171 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-12-13 15:31:03,171 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:31:03,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:31:03,171 INFO L85 PathProgramCache]: Analyzing trace with hash 179662541, now seen corresponding path program 1 times [2022-12-13 15:31:03,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:31:03,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636865829] [2022-12-13 15:31:03,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:03,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:31:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:31:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:31:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:31:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:31:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 15:31:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:03,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:31:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:03,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:31:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:31:03,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:31:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:31:03,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:03,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:31:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:03,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:31:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-12-13 15:31:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,457 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2022-12-13 15:31:03,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:31:03,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636865829] [2022-12-13 15:31:03,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636865829] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:31:03,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386331768] [2022-12-13 15:31:03,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:03,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:31:03,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:31:03,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:31:03,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 15:31:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:03,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 2061 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:31:03,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:31:04,004 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2022-12-13 15:31:04,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:31:04,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386331768] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:31:04,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:31:04,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-12-13 15:31:04,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142503103] [2022-12-13 15:31:04,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:31:04,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:31:04,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:31:04,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:31:04,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:31:04,007 INFO L87 Difference]: Start difference. First operand 1027 states and 1302 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 15:31:04,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:31:04,146 INFO L93 Difference]: Finished difference Result 1971 states and 2476 transitions. [2022-12-13 15:31:04,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:31:04,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 205 [2022-12-13 15:31:04,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:31:04,154 INFO L225 Difference]: With dead ends: 1971 [2022-12-13 15:31:04,154 INFO L226 Difference]: Without dead ends: 1079 [2022-12-13 15:31:04,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:31:04,157 INFO L413 NwaCegarLoop]: 1257 mSDtfsCounter, 1132 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1132 SdHoareTripleChecker+Valid, 1324 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:31:04,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1132 Valid, 1324 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:31:04,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2022-12-13 15:31:04,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1076. [2022-12-13 15:31:04,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1076 states, 704 states have (on average 1.1889204545454546) internal successors, (837), 729 states have internal predecessors, (837), 262 states have call successors, (262), 100 states have call predecessors, (262), 100 states have return successors, (263), 256 states have call predecessors, (263), 260 states have call successors, (263) [2022-12-13 15:31:04,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 1076 states and 1362 transitions. [2022-12-13 15:31:04,261 INFO L78 Accepts]: Start accepts. Automaton has 1076 states and 1362 transitions. Word has length 205 [2022-12-13 15:31:04,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:31:04,261 INFO L495 AbstractCegarLoop]: Abstraction has 1076 states and 1362 transitions. [2022-12-13 15:31:04,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-12-13 15:31:04,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1362 transitions. [2022-12-13 15:31:04,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-13 15:31:04,262 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:31:04,262 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:31:04,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:31:04,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-12-13 15:31:04,464 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:31:04,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:31:04,464 INFO L85 PathProgramCache]: Analyzing trace with hash -1680474540, now seen corresponding path program 1 times [2022-12-13 15:31:04,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:31:04,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596034285] [2022-12-13 15:31:04,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:04,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:31:04,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:31:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:31:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:04,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:31:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:31:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:31:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:31:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:31:04,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:31:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:31:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:31:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:31:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:31:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:31:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:31:04,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:31:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 15:31:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:31:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 15:31:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:31:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:31:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 15:31:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 15:31:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:04,703 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:31:04,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:31:04,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596034285] [2022-12-13 15:31:04,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596034285] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:31:04,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:31:04,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:31:04,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370393347] [2022-12-13 15:31:04,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:31:04,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:31:04,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:31:04,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:31:04,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:31:04,706 INFO L87 Difference]: Start difference. First operand 1076 states and 1362 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 15:31:06,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:31:06,332 INFO L93 Difference]: Finished difference Result 1076 states and 1362 transitions. [2022-12-13 15:31:06,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:31:06,333 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 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 163 [2022-12-13 15:31:06,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:31:06,339 INFO L225 Difference]: With dead ends: 1076 [2022-12-13 15:31:06,339 INFO L226 Difference]: Without dead ends: 1074 [2022-12-13 15:31:06,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:31:06,339 INFO L413 NwaCegarLoop]: 797 mSDtfsCounter, 1482 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 1348 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1643 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:31:06,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1643 Valid, 2254 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1348 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 15:31:06,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2022-12-13 15:31:06,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1074. [2022-12-13 15:31:06,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1074 states, 703 states have (on average 1.1877667140825034) internal successors, (835), 727 states have internal predecessors, (835), 262 states have call successors, (262), 100 states have call predecessors, (262), 100 states have return successors, (263), 256 states have call predecessors, (263), 260 states have call successors, (263) [2022-12-13 15:31:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1074 states to 1074 states and 1360 transitions. [2022-12-13 15:31:06,452 INFO L78 Accepts]: Start accepts. Automaton has 1074 states and 1360 transitions. Word has length 163 [2022-12-13 15:31:06,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:31:06,452 INFO L495 AbstractCegarLoop]: Abstraction has 1074 states and 1360 transitions. [2022-12-13 15:31:06,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 4 states have internal predecessors, (99), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 15:31:06,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1074 states and 1360 transitions. [2022-12-13 15:31:06,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-12-13 15:31:06,454 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:31:06,454 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:31:06,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-12-13 15:31:06,454 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:31:06,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:31:06,454 INFO L85 PathProgramCache]: Analyzing trace with hash 638278998, now seen corresponding path program 1 times [2022-12-13 15:31:06,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:31:06,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329597166] [2022-12-13 15:31:06,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:06,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:31:06,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:31:06,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:31:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:06,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:31:06,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:31:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:31:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:31:06,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:31:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:31:06,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:31:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:31:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:31:06,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:06,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:06,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:31:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:31:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:31:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:31:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:31:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:06,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 15:31:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 15:31:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:06,839 INFO L134 CoverageAnalysis]: Checked inductivity of 371 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2022-12-13 15:31:06,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:31:06,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329597166] [2022-12-13 15:31:06,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329597166] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:31:06,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:31:06,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 15:31:06,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902246997] [2022-12-13 15:31:06,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:31:06,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 15:31:06,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:31:06,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 15:31:06,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:31:06,841 INFO L87 Difference]: Start difference. First operand 1074 states and 1360 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 15:31:10,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:31:10,968 INFO L93 Difference]: Finished difference Result 1754 states and 2195 transitions. [2022-12-13 15:31:10,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 15:31:10,968 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 201 [2022-12-13 15:31:10,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:31:10,975 INFO L225 Difference]: With dead ends: 1754 [2022-12-13 15:31:10,975 INFO L226 Difference]: Without dead ends: 1752 [2022-12-13 15:31:10,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2022-12-13 15:31:10,976 INFO L413 NwaCegarLoop]: 980 mSDtfsCounter, 2886 mSDsluCounter, 3630 mSDsCounter, 0 mSdLazyCounter, 3600 mSolverCounterSat, 1739 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3046 SdHoareTripleChecker+Valid, 4610 SdHoareTripleChecker+Invalid, 5339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1739 IncrementalHoareTripleChecker+Valid, 3600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:31:10,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3046 Valid, 4610 Invalid, 5339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1739 Valid, 3600 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-12-13 15:31:10,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2022-12-13 15:31:11,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1698. [2022-12-13 15:31:11,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1698 states, 1128 states have (on average 1.1906028368794326) internal successors, (1343), 1166 states have internal predecessors, (1343), 391 states have call successors, (391), 170 states have call predecessors, (391), 170 states have return successors, (397), 373 states have call predecessors, (397), 389 states have call successors, (397) [2022-12-13 15:31:11,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1698 states and 2131 transitions. [2022-12-13 15:31:11,167 INFO L78 Accepts]: Start accepts. Automaton has 1698 states and 2131 transitions. Word has length 201 [2022-12-13 15:31:11,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:31:11,167 INFO L495 AbstractCegarLoop]: Abstraction has 1698 states and 2131 transitions. [2022-12-13 15:31:11,167 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 15:31:11,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2131 transitions. [2022-12-13 15:31:11,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-12-13 15:31:11,169 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:31:11,169 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:31:11,169 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-12-13 15:31:11,169 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:31:11,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:31:11,169 INFO L85 PathProgramCache]: Analyzing trace with hash 346873179, now seen corresponding path program 1 times [2022-12-13 15:31:11,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:31:11,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542920641] [2022-12-13 15:31:11,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:11,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:31:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:31:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:31:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:11,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:31:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:31:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:31:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:31:11,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:31:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:31:11,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:31:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:31:11,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:11,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:31:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:31:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:31:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:31:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:31:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:31:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:11,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 15:31:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:11,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 15:31:11,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:11,497 INFO L134 CoverageAnalysis]: Checked inductivity of 369 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2022-12-13 15:31:11,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:31:11,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542920641] [2022-12-13 15:31:11,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542920641] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:31:11,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:31:11,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-13 15:31:11,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991495563] [2022-12-13 15:31:11,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:31:11,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 15:31:11,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:31:11,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 15:31:11,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-12-13 15:31:11,499 INFO L87 Difference]: Start difference. First operand 1698 states and 2131 transitions. Second operand has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 15:31:15,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:31:15,159 INFO L93 Difference]: Finished difference Result 1725 states and 2160 transitions. [2022-12-13 15:31:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 15:31:15,160 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 201 [2022-12-13 15:31:15,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:31:15,168 INFO L225 Difference]: With dead ends: 1725 [2022-12-13 15:31:15,168 INFO L226 Difference]: Without dead ends: 1723 [2022-12-13 15:31:15,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=261, Unknown=0, NotChecked=0, Total=380 [2022-12-13 15:31:15,169 INFO L413 NwaCegarLoop]: 787 mSDtfsCounter, 1443 mSDsluCounter, 3454 mSDsCounter, 0 mSdLazyCounter, 3175 mSolverCounterSat, 1205 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1455 SdHoareTripleChecker+Valid, 4241 SdHoareTripleChecker+Invalid, 4380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1205 IncrementalHoareTripleChecker+Valid, 3175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:31:15,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1455 Valid, 4241 Invalid, 4380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1205 Valid, 3175 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-12-13 15:31:15,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2022-12-13 15:31:15,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1689. [2022-12-13 15:31:15,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1689 states, 1123 states have (on average 1.1896705253784505) internal successors, (1336), 1160 states have internal predecessors, (1336), 387 states have call successors, (387), 169 states have call predecessors, (387), 170 states have return successors, (393), 371 states have call predecessors, (393), 385 states have call successors, (393) [2022-12-13 15:31:15,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1689 states to 1689 states and 2116 transitions. [2022-12-13 15:31:15,351 INFO L78 Accepts]: Start accepts. Automaton has 1689 states and 2116 transitions. Word has length 201 [2022-12-13 15:31:15,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:31:15,352 INFO L495 AbstractCegarLoop]: Abstraction has 1689 states and 2116 transitions. [2022-12-13 15:31:15,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 8.222222222222221) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (29), 7 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 15:31:15,352 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2116 transitions. [2022-12-13 15:31:15,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-13 15:31:15,353 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:31:15,353 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:31:15,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-12-13 15:31:15,353 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:31:15,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:31:15,354 INFO L85 PathProgramCache]: Analyzing trace with hash -967703530, now seen corresponding path program 1 times [2022-12-13 15:31:15,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:31:15,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147509928] [2022-12-13 15:31:15,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:15,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:31:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:31:15,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:31:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:31:15,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:31:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:31:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:31:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:31:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:31:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:31:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:31:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:31:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:31:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:31:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:31:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:31:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 15:31:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:31:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 15:31:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:31:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:31:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 15:31:15,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 15:31:15,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 15:31:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:15,584 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:31:15,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:31:15,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147509928] [2022-12-13 15:31:15,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147509928] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:31:15,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:31:15,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:31:15,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347443090] [2022-12-13 15:31:15,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:31:15,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:31:15,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:31:15,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:31:15,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:31:15,586 INFO L87 Difference]: Start difference. First operand 1689 states and 2116 transitions. Second operand has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 15:31:17,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:31:17,417 INFO L93 Difference]: Finished difference Result 1689 states and 2116 transitions. [2022-12-13 15:31:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:31:17,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 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 169 [2022-12-13 15:31:17,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:31:17,422 INFO L225 Difference]: With dead ends: 1689 [2022-12-13 15:31:17,422 INFO L226 Difference]: Without dead ends: 1687 [2022-12-13 15:31:17,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:31:17,423 INFO L413 NwaCegarLoop]: 797 mSDtfsCounter, 1476 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 1344 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1636 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:31:17,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1636 Valid, 2254 Invalid, 2004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1344 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 15:31:17,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2022-12-13 15:31:17,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1687. [2022-12-13 15:31:17,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1687 states, 1122 states have (on average 1.1880570409982174) internal successors, (1333), 1158 states have internal predecessors, (1333), 387 states have call successors, (387), 169 states have call predecessors, (387), 170 states have return successors, (393), 371 states have call predecessors, (393), 385 states have call successors, (393) [2022-12-13 15:31:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1687 states and 2113 transitions. [2022-12-13 15:31:17,623 INFO L78 Accepts]: Start accepts. Automaton has 1687 states and 2113 transitions. Word has length 169 [2022-12-13 15:31:17,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:31:17,624 INFO L495 AbstractCegarLoop]: Abstraction has 1687 states and 2113 transitions. [2022-12-13 15:31:17,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 4 states have internal predecessors, (103), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-12-13 15:31:17,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2113 transitions. [2022-12-13 15:31:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-13 15:31:17,625 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:31:17,625 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:31:17,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-12-13 15:31:17,626 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:31:17,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:31:17,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1416910982, now seen corresponding path program 1 times [2022-12-13 15:31:17,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:31:17,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641165021] [2022-12-13 15:31:17,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:17,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:31:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:31:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:31:17,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:17,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:31:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:31:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:31:17,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:31:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:31:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:31:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:31:17,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:31:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:31:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:31:17,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:31:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:31:17,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:31:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 15:31:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:31:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 15:31:17,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:31:17,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:31:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 15:31:17,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 15:31:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 15:31:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 15:31:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:17,858 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:31:17,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:31:17,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641165021] [2022-12-13 15:31:17,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641165021] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:31:17,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:31:17,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:31:17,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809783539] [2022-12-13 15:31:17,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:31:17,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:31:17,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:31:17,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:31:17,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:31:17,860 INFO L87 Difference]: Start difference. First operand 1687 states and 2113 transitions. Second operand has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 15:31:19,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:31:19,598 INFO L93 Difference]: Finished difference Result 1687 states and 2113 transitions. [2022-12-13 15:31:19,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:31:19,599 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 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 175 [2022-12-13 15:31:19,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:31:19,603 INFO L225 Difference]: With dead ends: 1687 [2022-12-13 15:31:19,603 INFO L226 Difference]: Without dead ends: 1685 [2022-12-13 15:31:19,603 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:31:19,604 INFO L413 NwaCegarLoop]: 797 mSDtfsCounter, 1470 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 1340 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1629 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 2000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:31:19,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1629 Valid, 2254 Invalid, 2000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1340 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-12-13 15:31:19,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1685 states. [2022-12-13 15:31:19,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1685 to 1685. [2022-12-13 15:31:19,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1685 states, 1121 states have (on average 1.1864406779661016) internal successors, (1330), 1156 states have internal predecessors, (1330), 387 states have call successors, (387), 169 states have call predecessors, (387), 170 states have return successors, (393), 371 states have call predecessors, (393), 385 states have call successors, (393) [2022-12-13 15:31:19,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1685 states and 2110 transitions. [2022-12-13 15:31:19,793 INFO L78 Accepts]: Start accepts. Automaton has 1685 states and 2110 transitions. Word has length 175 [2022-12-13 15:31:19,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:31:19,793 INFO L495 AbstractCegarLoop]: Abstraction has 1685 states and 2110 transitions. [2022-12-13 15:31:19,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.833333333333332) internal successors, (107), 4 states have internal predecessors, (107), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-12-13 15:31:19,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 2110 transitions. [2022-12-13 15:31:19,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-12-13 15:31:19,795 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:31:19,795 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-13 15:31:19,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-12-13 15:31:19,795 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:31:19,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:31:19,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1644043269, now seen corresponding path program 1 times [2022-12-13 15:31:19,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:31:19,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045803366] [2022-12-13 15:31:19,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:19,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:31:19,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:31:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:31:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:20,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:20,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:31:20,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:31:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 15:31:20,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:20,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:20,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:31:20,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:20,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:31:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:31:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:31:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:31:20,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:20,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:31:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:20,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:31:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 15:31:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-12-13 15:31:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2022-12-13 15:31:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:20,455 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2022-12-13 15:31:20,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:31:20,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045803366] [2022-12-13 15:31:20,456 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045803366] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:31:20,456 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:31:20,456 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 15:31:20,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880879597] [2022-12-13 15:31:20,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:31:20,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 15:31:20,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:31:20,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 15:31:20,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-12-13 15:31:20,457 INFO L87 Difference]: Start difference. First operand 1685 states and 2110 transitions. Second operand has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-13 15:31:26,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:31:26,491 INFO L93 Difference]: Finished difference Result 4043 states and 5284 transitions. [2022-12-13 15:31:26,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 15:31:26,491 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25) Word has length 221 [2022-12-13 15:31:26,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:31:26,498 INFO L225 Difference]: With dead ends: 4043 [2022-12-13 15:31:26,498 INFO L226 Difference]: Without dead ends: 2452 [2022-12-13 15:31:26,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=116, Invalid=390, Unknown=0, NotChecked=0, Total=506 [2022-12-13 15:31:26,501 INFO L413 NwaCegarLoop]: 1379 mSDtfsCounter, 1530 mSDsluCounter, 8628 mSDsCounter, 0 mSdLazyCounter, 6356 mSolverCounterSat, 1220 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1684 SdHoareTripleChecker+Valid, 10007 SdHoareTripleChecker+Invalid, 7576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1220 IncrementalHoareTripleChecker+Valid, 6356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:31:26,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1684 Valid, 10007 Invalid, 7576 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1220 Valid, 6356 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-12-13 15:31:26,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2452 states. [2022-12-13 15:31:26,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2452 to 1692. [2022-12-13 15:31:26,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1692 states, 1126 states have (on average 1.1856127886323269) internal successors, (1335), 1160 states have internal predecessors, (1335), 388 states have call successors, (388), 169 states have call predecessors, (388), 171 states have return successors, (398), 374 states have call predecessors, (398), 386 states have call successors, (398) [2022-12-13 15:31:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 2121 transitions. [2022-12-13 15:31:26,779 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 2121 transitions. Word has length 221 [2022-12-13 15:31:26,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:31:26,780 INFO L495 AbstractCegarLoop]: Abstraction has 1692 states and 2121 transitions. [2022-12-13 15:31:26,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.833333333333333) internal successors, (82), 6 states have internal predecessors, (82), 3 states have call successors, (27), 6 states have call predecessors, (27), 3 states have return successors, (25), 5 states have call predecessors, (25), 3 states have call successors, (25) [2022-12-13 15:31:26,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2121 transitions. [2022-12-13 15:31:26,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-12-13 15:31:26,781 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:31:26,781 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:31:26,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-12-13 15:31:26,781 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:31:26,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:31:26,782 INFO L85 PathProgramCache]: Analyzing trace with hash 992032751, now seen corresponding path program 1 times [2022-12-13 15:31:26,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:31:26,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369293673] [2022-12-13 15:31:26,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:26,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:31:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:31:26,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:31:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:31:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:31:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:31:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:26,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:31:26,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:31:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:31:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:31:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:31:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:31:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:31:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:31:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:31:26,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:31:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 15:31:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:31:26,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 15:31:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:31:26,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:31:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 15:31:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 15:31:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 15:31:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 15:31:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 15:31:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:26,997 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:31:26,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:31:26,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369293673] [2022-12-13 15:31:26,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369293673] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:31:26,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:31:26,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:31:26,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330141305] [2022-12-13 15:31:26,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:31:26,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:31:26,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:31:26,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:31:26,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:31:26,999 INFO L87 Difference]: Start difference. First operand 1692 states and 2121 transitions. Second operand has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 15:31:28,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:31:28,696 INFO L93 Difference]: Finished difference Result 1692 states and 2121 transitions. [2022-12-13 15:31:28,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:31:28,697 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 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 181 [2022-12-13 15:31:28,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:31:28,701 INFO L225 Difference]: With dead ends: 1692 [2022-12-13 15:31:28,702 INFO L226 Difference]: Without dead ends: 1690 [2022-12-13 15:31:28,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:31:28,702 INFO L413 NwaCegarLoop]: 797 mSDtfsCounter, 1464 mSDsluCounter, 1457 mSDsCounter, 0 mSdLazyCounter, 1336 mSolverCounterSat, 660 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1622 SdHoareTripleChecker+Valid, 2254 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 660 IncrementalHoareTripleChecker+Valid, 1336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:31:28,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1622 Valid, 2254 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [660 Valid, 1336 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-12-13 15:31:28,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1690 states. [2022-12-13 15:31:28,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1690 to 1690. [2022-12-13 15:31:28,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1690 states, 1125 states have (on average 1.184) internal successors, (1332), 1158 states have internal predecessors, (1332), 388 states have call successors, (388), 169 states have call predecessors, (388), 171 states have return successors, (398), 374 states have call predecessors, (398), 386 states have call successors, (398) [2022-12-13 15:31:28,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1690 states and 2118 transitions. [2022-12-13 15:31:28,937 INFO L78 Accepts]: Start accepts. Automaton has 1690 states and 2118 transitions. Word has length 181 [2022-12-13 15:31:28,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:31:28,937 INFO L495 AbstractCegarLoop]: Abstraction has 1690 states and 2118 transitions. [2022-12-13 15:31:28,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 4 states have internal predecessors, (111), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 15:31:28,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1690 states and 2118 transitions. [2022-12-13 15:31:28,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-12-13 15:31:28,938 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:31:28,938 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-13 15:31:28,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-12-13 15:31:28,939 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:31:28,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:31:28,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1634887563, now seen corresponding path program 1 times [2022-12-13 15:31:28,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:31:28,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535029799] [2022-12-13 15:31:28,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:28,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:31:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:29,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:31:29,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:29,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:31:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:29,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:29,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:29,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:29,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:31:29,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:29,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:29,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:29,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:31:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:29,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:29,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:29,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 15:31:30,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:31:30,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:31:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:30,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:30,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:31:30,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:31:30,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:31:30,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:30,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:31:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:30,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:31:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:31:30,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:30,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:31:30,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 15:31:30,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 15:31:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 15:31:30,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:30,230 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2022-12-13 15:31:30,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:31:30,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535029799] [2022-12-13 15:31:30,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535029799] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:31:30,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:31:30,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-12-13 15:31:30,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036897627] [2022-12-13 15:31:30,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:31:30,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 15:31:30,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:31:30,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 15:31:30,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2022-12-13 15:31:30,233 INFO L87 Difference]: Start difference. First operand 1690 states and 2118 transitions. Second operand has 18 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 11 states have internal predecessors, (84), 6 states have call successors, (30), 7 states have call predecessors, (30), 4 states have return successors, (28), 7 states have call predecessors, (28), 5 states have call successors, (28) [2022-12-13 15:31:42,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:31:42,595 INFO L93 Difference]: Finished difference Result 4641 states and 6232 transitions. [2022-12-13 15:31:42,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-12-13 15:31:42,595 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 11 states have internal predecessors, (84), 6 states have call successors, (30), 7 states have call predecessors, (30), 4 states have return successors, (28), 7 states have call predecessors, (28), 5 states have call successors, (28) Word has length 237 [2022-12-13 15:31:42,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:31:42,602 INFO L225 Difference]: With dead ends: 4641 [2022-12-13 15:31:42,602 INFO L226 Difference]: Without dead ends: 3139 [2022-12-13 15:31:42,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=273, Invalid=1449, Unknown=0, NotChecked=0, Total=1722 [2022-12-13 15:31:42,605 INFO L413 NwaCegarLoop]: 1983 mSDtfsCounter, 2061 mSDsluCounter, 20103 mSDsCounter, 0 mSdLazyCounter, 12611 mSolverCounterSat, 1469 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2392 SdHoareTripleChecker+Valid, 22086 SdHoareTripleChecker+Invalid, 14080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1469 IncrementalHoareTripleChecker+Valid, 12611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:31:42,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2392 Valid, 22086 Invalid, 14080 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1469 Valid, 12611 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-12-13 15:31:42,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3139 states. [2022-12-13 15:31:42,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3139 to 1708. [2022-12-13 15:31:42,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1708 states, 1134 states have (on average 1.1825396825396826) internal successors, (1341), 1168 states have internal predecessors, (1341), 395 states have call successors, (395), 170 states have call predecessors, (395), 173 states have return successors, (406), 381 states have call predecessors, (406), 393 states have call successors, (406) [2022-12-13 15:31:42,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1708 states to 1708 states and 2142 transitions. [2022-12-13 15:31:42,893 INFO L78 Accepts]: Start accepts. Automaton has 1708 states and 2142 transitions. Word has length 237 [2022-12-13 15:31:42,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:31:42,893 INFO L495 AbstractCegarLoop]: Abstraction has 1708 states and 2142 transitions. [2022-12-13 15:31:42,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.9411764705882355) internal successors, (84), 11 states have internal predecessors, (84), 6 states have call successors, (30), 7 states have call predecessors, (30), 4 states have return successors, (28), 7 states have call predecessors, (28), 5 states have call successors, (28) [2022-12-13 15:31:42,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 2142 transitions. [2022-12-13 15:31:42,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-13 15:31:42,895 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:31:42,895 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:31:42,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-12-13 15:31:42,895 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:31:42,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:31:42,895 INFO L85 PathProgramCache]: Analyzing trace with hash -180097571, now seen corresponding path program 1 times [2022-12-13 15:31:42,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:31:42,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990609085] [2022-12-13 15:31:42,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:42,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:31:42,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:31:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:31:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:31:43,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:31:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:31:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:31:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:31:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2022-12-13 15:31:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-12-13 15:31:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2022-12-13 15:31:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2022-12-13 15:31:43,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2022-12-13 15:31:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2022-12-13 15:31:43,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:31:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-12-13 15:31:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2022-12-13 15:31:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-12-13 15:31:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2022-12-13 15:31:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:31:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:31:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2022-12-13 15:31:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-12-13 15:31:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-12-13 15:31:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-12-13 15:31:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-12-13 15:31:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 15:31:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:43,169 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:31:43,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:31:43,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990609085] [2022-12-13 15:31:43,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990609085] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:31:43,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:31:43,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:31:43,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576613362] [2022-12-13 15:31:43,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:31:43,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:31:43,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:31:43,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:31:43,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:31:43,170 INFO L87 Difference]: Start difference. First operand 1708 states and 2142 transitions. Second operand has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 15:31:46,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:31:46,848 INFO L93 Difference]: Finished difference Result 3292 states and 4125 transitions. [2022-12-13 15:31:46,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 15:31:46,849 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 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 187 [2022-12-13 15:31:46,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:31:46,856 INFO L225 Difference]: With dead ends: 3292 [2022-12-13 15:31:46,856 INFO L226 Difference]: Without dead ends: 3009 [2022-12-13 15:31:46,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-12-13 15:31:46,857 INFO L413 NwaCegarLoop]: 1010 mSDtfsCounter, 1975 mSDsluCounter, 2098 mSDsCounter, 0 mSdLazyCounter, 2580 mSolverCounterSat, 1139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2127 SdHoareTripleChecker+Valid, 3108 SdHoareTripleChecker+Invalid, 3719 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1139 IncrementalHoareTripleChecker+Valid, 2580 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:31:46,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2127 Valid, 3108 Invalid, 3719 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1139 Valid, 2580 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-12-13 15:31:46,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3009 states. [2022-12-13 15:31:47,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3009 to 2990. [2022-12-13 15:31:47,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2990 states, 1995 states have (on average 1.1969924812030075) internal successors, (2388), 2050 states have internal predecessors, (2388), 689 states have call successors, (689), 294 states have call predecessors, (689), 300 states have return successors, (721), 665 states have call predecessors, (721), 687 states have call successors, (721) [2022-12-13 15:31:47,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2990 states to 2990 states and 3798 transitions. [2022-12-13 15:31:47,329 INFO L78 Accepts]: Start accepts. Automaton has 2990 states and 3798 transitions. Word has length 187 [2022-12-13 15:31:47,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:31:47,329 INFO L495 AbstractCegarLoop]: Abstraction has 2990 states and 3798 transitions. [2022-12-13 15:31:47,329 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.166666666666668) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (30), 4 states have call predecessors, (30), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-12-13 15:31:47,329 INFO L276 IsEmpty]: Start isEmpty. Operand 2990 states and 3798 transitions. [2022-12-13 15:31:47,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-12-13 15:31:47,330 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:31:47,331 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-13 15:31:47,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-12-13 15:31:47,331 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:31:47,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:31:47,331 INFO L85 PathProgramCache]: Analyzing trace with hash 890445560, now seen corresponding path program 1 times [2022-12-13 15:31:47,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:31:47,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103481252] [2022-12-13 15:31:47,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:47,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:31:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:31:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:31:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:47,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:31:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:47,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:47,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:31:47,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:47,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 15:31:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:47,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:31:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:47,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:31:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:47,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:31:47,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:31:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:31:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:47,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:47,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:48,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:48,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:48,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:31:48,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:48,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:48,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:48,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:48,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:31:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:48,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:31:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:48,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:48,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:31:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:48,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 15:31:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:48,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 15:31:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:48,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 15:31:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:48,040 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2022-12-13 15:31:48,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:31:48,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103481252] [2022-12-13 15:31:48,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103481252] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:31:48,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1091907052] [2022-12-13 15:31:48,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:48,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:31:48,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:31:48,041 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:31:48,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 15:31:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:48,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 2422 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 15:31:48,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:31:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-12-13 15:31:48,734 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:31:48,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1091907052] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:31:48,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:31:48,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 11 [2022-12-13 15:31:48,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142697259] [2022-12-13 15:31:48,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:31:48,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:31:48,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:31:48,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:31:48,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2022-12-13 15:31:48,737 INFO L87 Difference]: Start difference. First operand 2990 states and 3798 transitions. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 15:31:50,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:31:50,060 INFO L93 Difference]: Finished difference Result 7071 states and 9294 transitions. [2022-12-13 15:31:50,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:31:50,061 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 241 [2022-12-13 15:31:50,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:31:50,073 INFO L225 Difference]: With dead ends: 7071 [2022-12-13 15:31:50,073 INFO L226 Difference]: Without dead ends: 4126 [2022-12-13 15:31:50,081 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2022-12-13 15:31:50,082 INFO L413 NwaCegarLoop]: 1275 mSDtfsCounter, 594 mSDsluCounter, 4826 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 234 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 6101 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:31:50,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 6101 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 15:31:50,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4126 states. [2022-12-13 15:31:50,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4126 to 2958. [2022-12-13 15:31:50,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2958 states, 1978 states have (on average 1.1971688574317492) internal successors, (2368), 2030 states have internal predecessors, (2368), 677 states have call successors, (677), 291 states have call predecessors, (677), 297 states have return successors, (709), 654 states have call predecessors, (709), 675 states have call successors, (709) [2022-12-13 15:31:50,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2958 states to 2958 states and 3754 transitions. [2022-12-13 15:31:50,750 INFO L78 Accepts]: Start accepts. Automaton has 2958 states and 3754 transitions. Word has length 241 [2022-12-13 15:31:50,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:31:50,751 INFO L495 AbstractCegarLoop]: Abstraction has 2958 states and 3754 transitions. [2022-12-13 15:31:50,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 3 states have call successors, (30), 2 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-12-13 15:31:50,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2958 states and 3754 transitions. [2022-12-13 15:31:50,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-12-13 15:31:50,752 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:31:50,752 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-13 15:31:50,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 15:31:50,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-12-13 15:31:50,954 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:31:50,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:31:50,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1781520182, now seen corresponding path program 1 times [2022-12-13 15:31:50,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:31:50,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453751366] [2022-12-13 15:31:50,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:50,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:31:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:31:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:31:51,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:51,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:31:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:31:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 15:31:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:31:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:51,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:31:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:31:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:31:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:31:52,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:31:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:31:52,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:52,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:31:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:31:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:31:52,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:31:52,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:31:52,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:31:52,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:31:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 15:31:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 15:31:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 15:31:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 6 proven. 61 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2022-12-13 15:31:52,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:31:52,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453751366] [2022-12-13 15:31:52,107 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453751366] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:31:52,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64599599] [2022-12-13 15:31:52,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:31:52,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:31:52,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:31:52,108 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:31:52,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 15:31:52,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:31:52,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 2420 conjuncts, 44 conjunts are in the unsatisfiable core [2022-12-13 15:31:52,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:31:52,767 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 15:31:52,939 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2022-12-13 15:31:52,939 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:31:52,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64599599] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:31:52,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:31:52,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [13] total 20 [2022-12-13 15:31:52,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325550468] [2022-12-13 15:31:52,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:31:52,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 15:31:52,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:31:52,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 15:31:52,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2022-12-13 15:31:52,942 INFO L87 Difference]: Start difference. First operand 2958 states and 3754 transitions. Second operand has 9 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 15:32:01,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:32:01,162 INFO L93 Difference]: Finished difference Result 6700 states and 8754 transitions. [2022-12-13 15:32:01,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 15:32:01,162 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 241 [2022-12-13 15:32:01,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:32:01,171 INFO L225 Difference]: With dead ends: 6700 [2022-12-13 15:32:01,171 INFO L226 Difference]: Without dead ends: 3961 [2022-12-13 15:32:01,175 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 309 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2022-12-13 15:32:01,175 INFO L413 NwaCegarLoop]: 1147 mSDtfsCounter, 539 mSDsluCounter, 3866 mSDsCounter, 0 mSdLazyCounter, 6015 mSolverCounterSat, 275 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 694 SdHoareTripleChecker+Valid, 5013 SdHoareTripleChecker+Invalid, 6290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 275 IncrementalHoareTripleChecker+Valid, 6015 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:32:01,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [694 Valid, 5013 Invalid, 6290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [275 Valid, 6015 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-12-13 15:32:01,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3961 states. [2022-12-13 15:32:01,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3961 to 3040. [2022-12-13 15:32:01,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3040 states, 2022 states have (on average 1.195845697329377) internal successors, (2418), 2080 states have internal predecessors, (2418), 707 states have call successors, (707), 293 states have call predecessors, (707), 305 states have return successors, (760), 684 states have call predecessors, (760), 705 states have call successors, (760) [2022-12-13 15:32:01,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 3040 states and 3885 transitions. [2022-12-13 15:32:01,743 INFO L78 Accepts]: Start accepts. Automaton has 3040 states and 3885 transitions. Word has length 241 [2022-12-13 15:32:01,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:32:01,743 INFO L495 AbstractCegarLoop]: Abstraction has 3040 states and 3885 transitions. [2022-12-13 15:32:01,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.0) internal successors, (88), 7 states have internal predecessors, (88), 4 states have call successors, (30), 4 states have call predecessors, (30), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-12-13 15:32:01,743 INFO L276 IsEmpty]: Start isEmpty. Operand 3040 states and 3885 transitions. [2022-12-13 15:32:01,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-12-13 15:32:01,744 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:32:01,744 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-13 15:32:01,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 15:32:01,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-12-13 15:32:01,946 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:32:01,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:32:01,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1388493172, now seen corresponding path program 1 times [2022-12-13 15:32:01,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:32:01,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551179758] [2022-12-13 15:32:01,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:32:01,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:32:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:32:02,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:32:02,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:32:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:32:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:32:02,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:02,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:02,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2022-12-13 15:32:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-12-13 15:32:02,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:02,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-12-13 15:32:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:02,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-12-13 15:32:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:02,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-12-13 15:32:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-12-13 15:32:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:32:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:02,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:32:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:32:02,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:32:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:32:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:32:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:32:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2022-12-13 15:32:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:02,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 15:32:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:03,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 15:32:03,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:03,013 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 19 proven. 48 refuted. 0 times theorem prover too weak. 434 trivial. 0 not checked. [2022-12-13 15:32:03,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:32:03,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551179758] [2022-12-13 15:32:03,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551179758] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:32:03,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37657469] [2022-12-13 15:32:03,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:32:03,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:32:03,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:32:03,015 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:32:03,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 15:32:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:04,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 2415 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 15:32:04,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:32:04,372 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 219 proven. 3 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-12-13 15:32:04,372 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:32:04,728 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 6 proven. 57 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2022-12-13 15:32:04,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37657469] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 15:32:04,729 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 15:32:04,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 8] total 20 [2022-12-13 15:32:04,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232800319] [2022-12-13 15:32:04,729 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 15:32:04,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-12-13 15:32:04,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:32:04,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-12-13 15:32:04,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=336, Unknown=0, NotChecked=0, Total=380 [2022-12-13 15:32:04,731 INFO L87 Difference]: Start difference. First operand 3040 states and 3885 transitions. Second operand has 20 states, 19 states have (on average 8.631578947368421) internal successors, (164), 13 states have internal predecessors, (164), 5 states have call successors, (68), 6 states have call predecessors, (68), 5 states have return successors, (60), 7 states have call predecessors, (60), 5 states have call successors, (60) [2022-12-13 15:32:13,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:32:13,146 INFO L93 Difference]: Finished difference Result 7316 states and 9692 transitions. [2022-12-13 15:32:13,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-12-13 15:32:13,147 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 8.631578947368421) internal successors, (164), 13 states have internal predecessors, (164), 5 states have call successors, (68), 6 states have call predecessors, (68), 5 states have return successors, (60), 7 states have call predecessors, (60), 5 states have call successors, (60) Word has length 241 [2022-12-13 15:32:13,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:32:13,159 INFO L225 Difference]: With dead ends: 7316 [2022-12-13 15:32:13,159 INFO L226 Difference]: Without dead ends: 4318 [2022-12-13 15:32:13,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 550 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=154, Invalid=902, Unknown=0, NotChecked=0, Total=1056 [2022-12-13 15:32:13,176 INFO L413 NwaCegarLoop]: 1302 mSDtfsCounter, 2413 mSDsluCounter, 10939 mSDsCounter, 0 mSdLazyCounter, 7932 mSolverCounterSat, 1728 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 12241 SdHoareTripleChecker+Invalid, 9660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1728 IncrementalHoareTripleChecker+Valid, 7932 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:32:13,176 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 12241 Invalid, 9660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1728 Valid, 7932 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-12-13 15:32:13,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4318 states. [2022-12-13 15:32:13,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4318 to 3042. [2022-12-13 15:32:13,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3042 states, 2023 states have (on average 1.1947602570439941) internal successors, (2417), 2079 states have internal predecessors, (2417), 707 states have call successors, (707), 293 states have call predecessors, (707), 306 states have return successors, (761), 684 states have call predecessors, (761), 705 states have call successors, (761) [2022-12-13 15:32:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 3042 states and 3885 transitions. [2022-12-13 15:32:13,847 INFO L78 Accepts]: Start accepts. Automaton has 3042 states and 3885 transitions. Word has length 241 [2022-12-13 15:32:13,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:32:13,848 INFO L495 AbstractCegarLoop]: Abstraction has 3042 states and 3885 transitions. [2022-12-13 15:32:13,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 8.631578947368421) internal successors, (164), 13 states have internal predecessors, (164), 5 states have call successors, (68), 6 states have call predecessors, (68), 5 states have return successors, (60), 7 states have call predecessors, (60), 5 states have call successors, (60) [2022-12-13 15:32:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 3042 states and 3885 transitions. [2022-12-13 15:32:13,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-12-13 15:32:13,849 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:32:13,849 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 15:32:13,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 15:32:14,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:32:14,051 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:32:14,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:32:14,052 INFO L85 PathProgramCache]: Analyzing trace with hash 740891631, now seen corresponding path program 1 times [2022-12-13 15:32:14,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:32:14,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745802394] [2022-12-13 15:32:14,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:32:14,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:32:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:32:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:32:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:32:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:32:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:32:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:32:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:32:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:14,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:32:14,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:32:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:32:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:32:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:32:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:32:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:32:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:32:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:32:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 15:32:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 15:32:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 15:32:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 15:32:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 15:32:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 15:32:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:14,397 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-12-13 15:32:14,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:32:14,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745802394] [2022-12-13 15:32:14,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745802394] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:32:14,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:32:14,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 15:32:14,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562009925] [2022-12-13 15:32:14,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:32:14,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 15:32:14,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:32:14,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 15:32:14,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-13 15:32:14,399 INFO L87 Difference]: Start difference. First operand 3042 states and 3885 transitions. Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2022-12-13 15:32:20,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:32:20,340 INFO L93 Difference]: Finished difference Result 7402 states and 9919 transitions. [2022-12-13 15:32:20,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 15:32:20,341 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) Word has length 233 [2022-12-13 15:32:20,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:32:20,351 INFO L225 Difference]: With dead ends: 7402 [2022-12-13 15:32:20,351 INFO L226 Difference]: Without dead ends: 5045 [2022-12-13 15:32:20,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2022-12-13 15:32:20,355 INFO L413 NwaCegarLoop]: 1315 mSDtfsCounter, 2173 mSDsluCounter, 6800 mSDsCounter, 0 mSdLazyCounter, 5172 mSolverCounterSat, 1596 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2270 SdHoareTripleChecker+Valid, 8115 SdHoareTripleChecker+Invalid, 6768 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1596 IncrementalHoareTripleChecker+Valid, 5172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:32:20,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2270 Valid, 8115 Invalid, 6768 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1596 Valid, 5172 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2022-12-13 15:32:20,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5045 states. [2022-12-13 15:32:21,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5045 to 2988. [2022-12-13 15:32:21,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2988 states, 1987 states have (on average 1.1892299949672873) internal successors, (2363), 2043 states have internal predecessors, (2363), 695 states have call successors, (695), 283 states have call predecessors, (695), 300 states have return successors, (757), 676 states have call predecessors, (757), 693 states have call successors, (757) [2022-12-13 15:32:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 3815 transitions. [2022-12-13 15:32:21,101 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 3815 transitions. Word has length 233 [2022-12-13 15:32:21,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:32:21,101 INFO L495 AbstractCegarLoop]: Abstraction has 2988 states and 3815 transitions. [2022-12-13 15:32:21,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 5 states have internal predecessors, (88), 2 states have call successors, (32), 7 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2022-12-13 15:32:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 3815 transitions. [2022-12-13 15:32:21,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-12-13 15:32:21,103 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:32:21,103 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 15:32:21,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-12-13 15:32:21,103 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:32:21,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:32:21,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1246450256, now seen corresponding path program 1 times [2022-12-13 15:32:21,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:32:21,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552269718] [2022-12-13 15:32:21,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:32:21,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:32:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:32:21,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:32:21,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:32:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:32:21,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:32:21,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:32:21,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:32:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:32:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:32:21,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:32:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:32:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:21,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:32:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:32:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:21,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:32:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:32:21,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:32:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 15:32:21,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 15:32:21,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 15:32:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 15:32:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 15:32:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 15:32:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:21,458 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-12-13 15:32:21,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:32:21,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552269718] [2022-12-13 15:32:21,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552269718] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:32:21,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:32:21,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 15:32:21,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242396425] [2022-12-13 15:32:21,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:32:21,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 15:32:21,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:32:21,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 15:32:21,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:32:21,460 INFO L87 Difference]: Start difference. First operand 2988 states and 3815 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2022-12-13 15:32:26,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:32:26,860 INFO L93 Difference]: Finished difference Result 3072 states and 3913 transitions. [2022-12-13 15:32:26,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 15:32:26,861 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) Word has length 233 [2022-12-13 15:32:26,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:32:26,867 INFO L225 Difference]: With dead ends: 3072 [2022-12-13 15:32:26,867 INFO L226 Difference]: Without dead ends: 3070 [2022-12-13 15:32:26,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=181, Invalid=419, Unknown=0, NotChecked=0, Total=600 [2022-12-13 15:32:26,869 INFO L413 NwaCegarLoop]: 1105 mSDtfsCounter, 2281 mSDsluCounter, 5606 mSDsCounter, 0 mSdLazyCounter, 4662 mSolverCounterSat, 1654 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2377 SdHoareTripleChecker+Valid, 6711 SdHoareTripleChecker+Invalid, 6316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1654 IncrementalHoareTripleChecker+Valid, 4662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:32:26,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2377 Valid, 6711 Invalid, 6316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1654 Valid, 4662 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-13 15:32:26,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3070 states. [2022-12-13 15:32:27,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3070 to 3040. [2022-12-13 15:32:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3040 states, 2027 states have (on average 1.1884558460779477) internal successors, (2409), 2079 states have internal predecessors, (2409), 703 states have call successors, (703), 287 states have call predecessors, (703), 304 states have return successors, (761), 688 states have call predecessors, (761), 701 states have call successors, (761) [2022-12-13 15:32:27,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3040 states to 3040 states and 3873 transitions. [2022-12-13 15:32:27,604 INFO L78 Accepts]: Start accepts. Automaton has 3040 states and 3873 transitions. Word has length 233 [2022-12-13 15:32:27,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:32:27,604 INFO L495 AbstractCegarLoop]: Abstraction has 3040 states and 3873 transitions. [2022-12-13 15:32:27,604 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (32), 8 states have call predecessors, (32), 2 states have return successors, (30), 2 states have call predecessors, (30), 1 states have call successors, (30) [2022-12-13 15:32:27,604 INFO L276 IsEmpty]: Start isEmpty. Operand 3040 states and 3873 transitions. [2022-12-13 15:32:27,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2022-12-13 15:32:27,606 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:32:27,606 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:32:27,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-12-13 15:32:27,606 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:32:27,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:32:27,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1966545428, now seen corresponding path program 1 times [2022-12-13 15:32:27,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:32:27,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931307986] [2022-12-13 15:32:27,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:32:27,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:32:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:32:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:32:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:32:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:32:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:32:29,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:29,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 15:32:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:32:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:32:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:32:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:29,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:29,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:32:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 15:32:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 15:32:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:32:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 15:32:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:29,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:32:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:32:29,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:32:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:32:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:32:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:32:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 15:32:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 15:32:29,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 15:32:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:29,754 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-12-13 15:32:29,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:32:29,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931307986] [2022-12-13 15:32:29,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931307986] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:32:29,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:32:29,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2022-12-13 15:32:29,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858114600] [2022-12-13 15:32:29,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:32:29,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-12-13 15:32:29,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:32:29,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-12-13 15:32:29,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=378, Unknown=0, NotChecked=0, Total=420 [2022-12-13 15:32:29,756 INFO L87 Difference]: Start difference. First operand 3040 states and 3873 transitions. Second operand has 21 states, 20 states have (on average 4.5) internal successors, (90), 12 states have internal predecessors, (90), 7 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (30), 7 states have call predecessors, (30), 5 states have call successors, (30) [2022-12-13 15:32:46,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:32:46,911 INFO L93 Difference]: Finished difference Result 6695 states and 9018 transitions. [2022-12-13 15:32:46,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-13 15:32:46,912 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 4.5) internal successors, (90), 12 states have internal predecessors, (90), 7 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (30), 7 states have call predecessors, (30), 5 states have call successors, (30) Word has length 249 [2022-12-13 15:32:46,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:32:46,921 INFO L225 Difference]: With dead ends: 6695 [2022-12-13 15:32:46,921 INFO L226 Difference]: Without dead ends: 5168 [2022-12-13 15:32:46,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=301, Invalid=1505, Unknown=0, NotChecked=0, Total=1806 [2022-12-13 15:32:46,924 INFO L413 NwaCegarLoop]: 1592 mSDtfsCounter, 1796 mSDsluCounter, 20282 mSDsCounter, 0 mSdLazyCounter, 15642 mSolverCounterSat, 1232 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 21874 SdHoareTripleChecker+Invalid, 16874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1232 IncrementalHoareTripleChecker+Valid, 15642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:32:46,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 21874 Invalid, 16874 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1232 Valid, 15642 Invalid, 0 Unknown, 0 Unchecked, 14.8s Time] [2022-12-13 15:32:46,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5168 states. [2022-12-13 15:32:47,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5168 to 3071. [2022-12-13 15:32:47,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3071 states, 2043 states have (on average 1.1869799314733236) internal successors, (2425), 2096 states have internal predecessors, (2425), 715 states have call successors, (715), 289 states have call predecessors, (715), 307 states have return successors, (778), 700 states have call predecessors, (778), 713 states have call successors, (778) [2022-12-13 15:32:47,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 3071 states and 3918 transitions. [2022-12-13 15:32:47,663 INFO L78 Accepts]: Start accepts. Automaton has 3071 states and 3918 transitions. Word has length 249 [2022-12-13 15:32:47,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:32:47,664 INFO L495 AbstractCegarLoop]: Abstraction has 3071 states and 3918 transitions. [2022-12-13 15:32:47,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 4.5) internal successors, (90), 12 states have internal predecessors, (90), 7 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (30), 7 states have call predecessors, (30), 5 states have call successors, (30) [2022-12-13 15:32:47,664 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3918 transitions. [2022-12-13 15:32:47,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2022-12-13 15:32:47,665 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:32:47,665 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:32:47,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-12-13 15:32:47,666 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:32:47,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:32:47,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1951687420, now seen corresponding path program 1 times [2022-12-13 15:32:47,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:32:47,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436216100] [2022-12-13 15:32:47,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:32:47,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:32:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:32:49,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:32:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:32:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:32:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:32:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:49,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 15:32:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:32:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:49,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:32:49,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:32:49,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:32:49,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 15:32:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:49,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:32:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:32:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 15:32:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:32:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 15:32:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:32:49,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:32:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:32:49,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:32:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:32:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:32:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:32:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 15:32:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 15:32:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:49,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 15:32:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:32:50,093 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-12-13 15:32:50,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:32:50,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436216100] [2022-12-13 15:32:50,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436216100] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:32:50,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:32:50,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2022-12-13 15:32:50,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001622491] [2022-12-13 15:32:50,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:32:50,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-12-13 15:32:50,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:32:50,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-12-13 15:32:50,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2022-12-13 15:32:50,096 INFO L87 Difference]: Start difference. First operand 3071 states and 3918 transitions. Second operand has 23 states, 22 states have (on average 4.136363636363637) internal successors, (91), 14 states have internal predecessors, (91), 7 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (30), 7 states have call predecessors, (30), 5 states have call successors, (30) [2022-12-13 15:33:12,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:33:12,143 INFO L93 Difference]: Finished difference Result 6723 states and 9054 transitions. [2022-12-13 15:33:12,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-12-13 15:33:12,144 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 4.136363636363637) internal successors, (91), 14 states have internal predecessors, (91), 7 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (30), 7 states have call predecessors, (30), 5 states have call successors, (30) Word has length 250 [2022-12-13 15:33:12,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:33:12,153 INFO L225 Difference]: With dead ends: 6723 [2022-12-13 15:33:12,153 INFO L226 Difference]: Without dead ends: 5196 [2022-12-13 15:33:12,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=368, Invalid=2082, Unknown=0, NotChecked=0, Total=2450 [2022-12-13 15:33:12,157 INFO L413 NwaCegarLoop]: 1532 mSDtfsCounter, 2112 mSDsluCounter, 20180 mSDsCounter, 0 mSdLazyCounter, 17887 mSolverCounterSat, 1649 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2393 SdHoareTripleChecker+Valid, 21712 SdHoareTripleChecker+Invalid, 19536 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1649 IncrementalHoareTripleChecker+Valid, 17887 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-12-13 15:33:12,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2393 Valid, 21712 Invalid, 19536 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1649 Valid, 17887 Invalid, 0 Unknown, 0 Unchecked, 19.4s Time] [2022-12-13 15:33:12,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5196 states. [2022-12-13 15:33:13,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5196 to 3071. [2022-12-13 15:33:13,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3071 states, 2043 states have (on average 1.1869799314733236) internal successors, (2425), 2096 states have internal predecessors, (2425), 715 states have call successors, (715), 289 states have call predecessors, (715), 307 states have return successors, (776), 700 states have call predecessors, (776), 713 states have call successors, (776) [2022-12-13 15:33:13,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3071 states to 3071 states and 3916 transitions. [2022-12-13 15:33:13,082 INFO L78 Accepts]: Start accepts. Automaton has 3071 states and 3916 transitions. Word has length 250 [2022-12-13 15:33:13,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:33:13,082 INFO L495 AbstractCegarLoop]: Abstraction has 3071 states and 3916 transitions. [2022-12-13 15:33:13,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 4.136363636363637) internal successors, (91), 14 states have internal predecessors, (91), 7 states have call successors, (32), 8 states have call predecessors, (32), 4 states have return successors, (30), 7 states have call predecessors, (30), 5 states have call successors, (30) [2022-12-13 15:33:13,082 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3916 transitions. [2022-12-13 15:33:13,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2022-12-13 15:33:13,085 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:33:13,085 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 8, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:33:13,085 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-12-13 15:33:13,085 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:33:13,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:33:13,086 INFO L85 PathProgramCache]: Analyzing trace with hash 686451524, now seen corresponding path program 1 times [2022-12-13 15:33:13,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:33:13,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981437380] [2022-12-13 15:33:13,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:33:13,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:33:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:33:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:33:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:33:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:33:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:33:13,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:33:13,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:33:13,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:33:13,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:33:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:33:13,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:33:13,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:33:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:33:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:33:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:33:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:33:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:33:13,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:33:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:33:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 15:33:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 15:33:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 15:33:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 15:33:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:13,426 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2022-12-13 15:33:13,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:33:13,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981437380] [2022-12-13 15:33:13,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981437380] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:33:13,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:33:13,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 15:33:13,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949182186] [2022-12-13 15:33:13,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:33:13,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 15:33:13,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:33:13,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 15:33:13,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-13 15:33:13,428 INFO L87 Difference]: Start difference. First operand 3071 states and 3916 transitions. Second operand has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 15:33:20,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:33:20,384 INFO L93 Difference]: Finished difference Result 8369 states and 11374 transitions. [2022-12-13 15:33:20,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-13 15:33:20,385 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) Word has length 232 [2022-12-13 15:33:20,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:33:20,394 INFO L225 Difference]: With dead ends: 8369 [2022-12-13 15:33:20,394 INFO L226 Difference]: Without dead ends: 6014 [2022-12-13 15:33:20,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2022-12-13 15:33:20,398 INFO L413 NwaCegarLoop]: 1669 mSDtfsCounter, 2194 mSDsluCounter, 8698 mSDsCounter, 0 mSdLazyCounter, 5875 mSolverCounterSat, 1766 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2386 SdHoareTripleChecker+Valid, 10367 SdHoareTripleChecker+Invalid, 7641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1766 IncrementalHoareTripleChecker+Valid, 5875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:33:20,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2386 Valid, 10367 Invalid, 7641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1766 Valid, 5875 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2022-12-13 15:33:20,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6014 states. [2022-12-13 15:33:21,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6014 to 3030. [2022-12-13 15:33:21,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3030 states, 2021 states have (on average 1.1850569025235032) internal successors, (2395), 2070 states have internal predecessors, (2395), 697 states have call successors, (697), 288 states have call predecessors, (697), 306 states have return successors, (758), 686 states have call predecessors, (758), 695 states have call successors, (758) [2022-12-13 15:33:21,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 3030 states and 3850 transitions. [2022-12-13 15:33:21,165 INFO L78 Accepts]: Start accepts. Automaton has 3030 states and 3850 transitions. Word has length 232 [2022-12-13 15:33:21,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:33:21,165 INFO L495 AbstractCegarLoop]: Abstraction has 3030 states and 3850 transitions. [2022-12-13 15:33:21,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.181818181818182) internal successors, (90), 5 states have internal predecessors, (90), 2 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (32), 3 states have call predecessors, (32), 2 states have call successors, (32) [2022-12-13 15:33:21,166 INFO L276 IsEmpty]: Start isEmpty. Operand 3030 states and 3850 transitions. [2022-12-13 15:33:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-12-13 15:33:21,167 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:33:21,167 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:33:21,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-12-13 15:33:21,168 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:33:21,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:33:21,168 INFO L85 PathProgramCache]: Analyzing trace with hash 71040397, now seen corresponding path program 1 times [2022-12-13 15:33:21,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:33:21,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075262463] [2022-12-13 15:33:21,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:33:21,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:33:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:33:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:33:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:33:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:33:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:33:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 15:33:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:33:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:33:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:33:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:22,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:33:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 15:33:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 15:33:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:33:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 15:33:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:22,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:33:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:33:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:33:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:33:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:33:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:33:22,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 15:33:22,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 15:33:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 15:33:22,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 15:33:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:22,735 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-12-13 15:33:22,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:33:22,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075262463] [2022-12-13 15:33:22,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075262463] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:33:22,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380132926] [2022-12-13 15:33:22,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:33:22,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:33:22,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:22,736 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:33:22,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 15:33:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:23,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 2479 conjuncts, 61 conjunts are in the unsatisfiable core [2022-12-13 15:33:23,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:33:23,655 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 37 [2022-12-13 15:33:23,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 37 [2022-12-13 15:33:23,886 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-13 15:33:23,888 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2022-12-13 15:33:23,899 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-12-13 15:33:23,899 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 15:33:24,400 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-12-13 15:33:24,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380132926] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-13 15:33:24,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-13 15:33:24,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [22, 10] total 33 [2022-12-13 15:33:24,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767179920] [2022-12-13 15:33:24,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:33:24,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 15:33:24,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:33:24,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 15:33:24,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=970, Unknown=0, NotChecked=0, Total=1056 [2022-12-13 15:33:24,402 INFO L87 Difference]: Start difference. First operand 3030 states and 3850 transitions. Second operand has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-13 15:33:33,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:33:33,733 INFO L93 Difference]: Finished difference Result 4688 states and 5945 transitions. [2022-12-13 15:33:33,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 15:33:33,733 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 255 [2022-12-13 15:33:33,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:33:33,739 INFO L225 Difference]: With dead ends: 4688 [2022-12-13 15:33:33,739 INFO L226 Difference]: Without dead ends: 3178 [2022-12-13 15:33:33,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 578 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=115, Invalid=1367, Unknown=0, NotChecked=0, Total=1482 [2022-12-13 15:33:33,742 INFO L413 NwaCegarLoop]: 866 mSDtfsCounter, 326 mSDsluCounter, 4190 mSDsCounter, 0 mSdLazyCounter, 4060 mSolverCounterSat, 239 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 379 SdHoareTripleChecker+Valid, 5056 SdHoareTripleChecker+Invalid, 4300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 4060 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-12-13 15:33:33,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [379 Valid, 5056 Invalid, 4300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 4060 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2022-12-13 15:33:33,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3178 states. [2022-12-13 15:33:34,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3178 to 3080. [2022-12-13 15:33:34,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3080 states, 2047 states have (on average 1.1827063996091842) internal successors, (2421), 2100 states have internal predecessors, (2421), 715 states have call successors, (715), 292 states have call predecessors, (715), 312 states have return successors, (794), 702 states have call predecessors, (794), 713 states have call successors, (794) [2022-12-13 15:33:34,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3080 states to 3080 states and 3930 transitions. [2022-12-13 15:33:34,570 INFO L78 Accepts]: Start accepts. Automaton has 3080 states and 3930 transitions. Word has length 255 [2022-12-13 15:33:34,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:33:34,571 INFO L495 AbstractCegarLoop]: Abstraction has 3080 states and 3930 transitions. [2022-12-13 15:33:34,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 11.75) internal successors, (94), 7 states have internal predecessors, (94), 4 states have call successors, (33), 4 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-12-13 15:33:34,571 INFO L276 IsEmpty]: Start isEmpty. Operand 3080 states and 3930 transitions. [2022-12-13 15:33:34,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-12-13 15:33:34,572 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:33:34,573 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:33:34,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-13 15:33:34,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:33:34,775 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:33:34,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:33:34,776 INFO L85 PathProgramCache]: Analyzing trace with hash -174158723, now seen corresponding path program 1 times [2022-12-13 15:33:34,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:33:34,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163505669] [2022-12-13 15:33:34,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:33:34,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:33:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:33:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:33:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:33:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:33:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:33:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 15:33:36,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:33:36,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:33:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:33:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:36,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:33:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 15:33:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 15:33:36,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:33:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 15:33:36,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:36,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:36,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:33:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:33:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:33:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:33:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:33:36,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:33:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 15:33:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 15:33:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 15:33:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-12-13 15:33:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:36,672 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-12-13 15:33:36,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:33:36,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163505669] [2022-12-13 15:33:36,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163505669] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:33:36,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796991386] [2022-12-13 15:33:36,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:33:36,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:33:36,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:33:36,673 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:33:36,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 15:33:37,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:37,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 2501 conjuncts, 48 conjunts are in the unsatisfiable core [2022-12-13 15:33:37,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:33:37,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 15:33:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2022-12-13 15:33:37,551 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:33:37,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796991386] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:33:37,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:33:37,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [24] total 32 [2022-12-13 15:33:37,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637173404] [2022-12-13 15:33:37,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:33:37,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 15:33:37,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:33:37,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 15:33:37,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=923, Unknown=0, NotChecked=0, Total=992 [2022-12-13 15:33:37,554 INFO L87 Difference]: Start difference. First operand 3080 states and 3930 transitions. Second operand has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (33), 4 states have call predecessors, (33), 3 states have return successors, (31), 2 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-13 15:33:48,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:33:48,893 INFO L93 Difference]: Finished difference Result 6784 states and 8842 transitions. [2022-12-13 15:33:48,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 15:33:48,893 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (33), 4 states have call predecessors, (33), 3 states have return successors, (31), 2 states have call predecessors, (31), 3 states have call successors, (31) Word has length 256 [2022-12-13 15:33:48,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:33:48,911 INFO L225 Difference]: With dead ends: 6784 [2022-12-13 15:33:48,911 INFO L226 Difference]: Without dead ends: 4043 [2022-12-13 15:33:48,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=92, Invalid=1240, Unknown=0, NotChecked=0, Total=1332 [2022-12-13 15:33:48,915 INFO L413 NwaCegarLoop]: 1147 mSDtfsCounter, 564 mSDsluCounter, 5039 mSDsCounter, 0 mSdLazyCounter, 7528 mSolverCounterSat, 292 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 6186 SdHoareTripleChecker+Invalid, 7820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 292 IncrementalHoareTripleChecker+Valid, 7528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:33:48,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 6186 Invalid, 7820 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [292 Valid, 7528 Invalid, 0 Unknown, 0 Unchecked, 9.8s Time] [2022-12-13 15:33:48,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4043 states. [2022-12-13 15:33:49,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4043 to 3076. [2022-12-13 15:33:49,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3076 states, 2045 states have (on average 1.182885085574572) internal successors, (2419), 2098 states have internal predecessors, (2419), 713 states have call successors, (713), 292 states have call predecessors, (713), 312 states have return successors, (789), 700 states have call predecessors, (789), 711 states have call successors, (789) [2022-12-13 15:33:49,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 3921 transitions. [2022-12-13 15:33:49,766 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 3921 transitions. Word has length 256 [2022-12-13 15:33:49,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:33:49,766 INFO L495 AbstractCegarLoop]: Abstraction has 3076 states and 3921 transitions. [2022-12-13 15:33:49,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.444444444444445) internal successors, (94), 8 states have internal predecessors, (94), 4 states have call successors, (33), 4 states have call predecessors, (33), 3 states have return successors, (31), 2 states have call predecessors, (31), 3 states have call successors, (31) [2022-12-13 15:33:49,766 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 3921 transitions. [2022-12-13 15:33:49,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2022-12-13 15:33:49,768 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:33:49,768 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:33:49,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 15:33:49,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2022-12-13 15:33:49,970 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:33:49,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:33:49,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1195227077, now seen corresponding path program 1 times [2022-12-13 15:33:49,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:33:49,972 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058650089] [2022-12-13 15:33:49,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:33:49,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:33:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:33:51,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:33:51,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:33:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:33:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:33:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 15:33:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:33:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:33:51,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:33:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:51,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:51,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:51,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:33:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:51,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:51,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:51,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 15:33:51,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:33:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:33:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 15:33:51,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:33:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 15:33:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:33:51,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:33:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:33:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:33:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:33:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:33:51,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:33:51,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 15:33:51,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 15:33:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2022-12-13 15:33:51,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-12-13 15:33:51,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:33:51,412 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 504 trivial. 0 not checked. [2022-12-13 15:33:51,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:33:51,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058650089] [2022-12-13 15:33:51,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058650089] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:33:51,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:33:51,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-12-13 15:33:51,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578165523] [2022-12-13 15:33:51,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:33:51,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-12-13 15:33:51,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:33:51,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-12-13 15:33:51,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2022-12-13 15:33:51,414 INFO L87 Difference]: Start difference. First operand 3076 states and 3921 transitions. Second operand has 22 states, 21 states have (on average 4.523809523809524) internal successors, (95), 13 states have internal predecessors, (95), 7 states have call successors, (33), 9 states have call predecessors, (33), 4 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2022-12-13 15:34:10,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:34:10,170 INFO L93 Difference]: Finished difference Result 7972 states and 10651 transitions. [2022-12-13 15:34:10,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-12-13 15:34:10,171 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.523809523809524) internal successors, (95), 13 states have internal predecessors, (95), 7 states have call successors, (33), 9 states have call predecessors, (33), 4 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) Word has length 256 [2022-12-13 15:34:10,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:34:10,179 INFO L225 Difference]: With dead ends: 7972 [2022-12-13 15:34:10,179 INFO L226 Difference]: Without dead ends: 5235 [2022-12-13 15:34:10,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 496 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=405, Invalid=2045, Unknown=0, NotChecked=0, Total=2450 [2022-12-13 15:34:10,183 INFO L413 NwaCegarLoop]: 1539 mSDtfsCounter, 2497 mSDsluCounter, 17904 mSDsCounter, 0 mSdLazyCounter, 17245 mSolverCounterSat, 2227 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2783 SdHoareTripleChecker+Valid, 19443 SdHoareTripleChecker+Invalid, 19472 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2227 IncrementalHoareTripleChecker+Valid, 17245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:34:10,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2783 Valid, 19443 Invalid, 19472 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2227 Valid, 17245 Invalid, 0 Unknown, 0 Unchecked, 16.1s Time] [2022-12-13 15:34:10,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5235 states. [2022-12-13 15:34:11,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5235 to 3090. [2022-12-13 15:34:11,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3090 states, 2051 states have (on average 1.18137493905412) internal successors, (2423), 2103 states have internal predecessors, (2423), 720 states have call successors, (720), 292 states have call predecessors, (720), 313 states have return successors, (785), 710 states have call predecessors, (785), 718 states have call successors, (785) [2022-12-13 15:34:11,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 3090 states and 3928 transitions. [2022-12-13 15:34:11,084 INFO L78 Accepts]: Start accepts. Automaton has 3090 states and 3928 transitions. Word has length 256 [2022-12-13 15:34:11,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:34:11,084 INFO L495 AbstractCegarLoop]: Abstraction has 3090 states and 3928 transitions. [2022-12-13 15:34:11,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.523809523809524) internal successors, (95), 13 states have internal predecessors, (95), 7 states have call successors, (33), 9 states have call predecessors, (33), 4 states have return successors, (31), 7 states have call predecessors, (31), 6 states have call successors, (31) [2022-12-13 15:34:11,084 INFO L276 IsEmpty]: Start isEmpty. Operand 3090 states and 3928 transitions. [2022-12-13 15:34:11,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-12-13 15:34:11,086 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:34:11,086 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 15:34:11,086 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-12-13 15:34:11,086 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:34:11,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:34:11,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1154328359, now seen corresponding path program 1 times [2022-12-13 15:34:11,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:34:11,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983758609] [2022-12-13 15:34:11,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:34:11,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:34:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:34:11,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:34:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:34:11,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:34:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:34:11,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:34:11,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:34:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:34:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:34:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:34:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:34:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:11,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:34:11,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:11,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:34:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:34:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:34:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:34:11,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 15:34:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 15:34:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 15:34:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 15:34:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 15:34:11,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:11,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 15:34:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 15:34:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 15:34:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:11,618 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2022-12-13 15:34:11,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:34:11,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983758609] [2022-12-13 15:34:11,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983758609] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:34:11,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:34:11,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-13 15:34:11,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447357696] [2022-12-13 15:34:11,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:34:11,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 15:34:11,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:34:11,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 15:34:11,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-12-13 15:34:11,620 INFO L87 Difference]: Start difference. First operand 3090 states and 3928 transitions. Second operand has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (35), 9 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-13 15:34:20,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:34:20,100 INFO L93 Difference]: Finished difference Result 6609 states and 8631 transitions. [2022-12-13 15:34:20,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-12-13 15:34:20,101 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (35), 9 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 251 [2022-12-13 15:34:20,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:34:20,109 INFO L225 Difference]: With dead ends: 6609 [2022-12-13 15:34:20,109 INFO L226 Difference]: Without dead ends: 4282 [2022-12-13 15:34:20,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=259, Invalid=733, Unknown=0, NotChecked=0, Total=992 [2022-12-13 15:34:20,113 INFO L413 NwaCegarLoop]: 1174 mSDtfsCounter, 2181 mSDsluCounter, 7901 mSDsCounter, 0 mSdLazyCounter, 5822 mSolverCounterSat, 2063 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2289 SdHoareTripleChecker+Valid, 9075 SdHoareTripleChecker+Invalid, 7885 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2063 IncrementalHoareTripleChecker+Valid, 5822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-12-13 15:34:20,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2289 Valid, 9075 Invalid, 7885 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2063 Valid, 5822 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2022-12-13 15:34:20,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4282 states. [2022-12-13 15:34:21,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4282 to 3090. [2022-12-13 15:34:21,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3090 states, 2051 states have (on average 1.1794246708922478) internal successors, (2419), 2103 states have internal predecessors, (2419), 720 states have call successors, (720), 292 states have call predecessors, (720), 313 states have return successors, (785), 710 states have call predecessors, (785), 718 states have call successors, (785) [2022-12-13 15:34:21,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3090 states to 3090 states and 3924 transitions. [2022-12-13 15:34:21,045 INFO L78 Accepts]: Start accepts. Automaton has 3090 states and 3924 transitions. Word has length 251 [2022-12-13 15:34:21,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:34:21,045 INFO L495 AbstractCegarLoop]: Abstraction has 3090 states and 3924 transitions. [2022-12-13 15:34:21,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 8.333333333333334) internal successors, (100), 6 states have internal predecessors, (100), 4 states have call successors, (35), 9 states have call predecessors, (35), 2 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-12-13 15:34:21,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3090 states and 3924 transitions. [2022-12-13 15:34:21,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-12-13 15:34:21,047 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:34:21,047 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:34:21,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-12-13 15:34:21,048 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:34:21,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:34:21,048 INFO L85 PathProgramCache]: Analyzing trace with hash 653227768, now seen corresponding path program 1 times [2022-12-13 15:34:21,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:34:21,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607859302] [2022-12-13 15:34:21,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:34:21,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:34:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:34:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:34:21,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:34:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:34:21,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:34:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:34:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:34:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:21,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:34:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:34:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:34:21,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:34:21,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:21,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:34:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:34:21,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:34:21,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:34:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:34:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 15:34:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 15:34:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 15:34:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 15:34:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 15:34:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 15:34:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:21,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2022-12-13 15:34:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-12-13 15:34:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-12-13 15:34:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:21,485 INFO L134 CoverageAnalysis]: Checked inductivity of 735 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2022-12-13 15:34:21,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:34:21,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607859302] [2022-12-13 15:34:21,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607859302] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:34:21,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:34:21,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 15:34:21,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117939069] [2022-12-13 15:34:21,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:34:21,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 15:34:21,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:34:21,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 15:34:21,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:34:21,487 INFO L87 Difference]: Start difference. First operand 3090 states and 3924 transitions. Second operand has 8 states, 8 states have (on average 10.375) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 15:34:24,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:34:24,685 INFO L93 Difference]: Finished difference Result 3125 states and 3961 transitions. [2022-12-13 15:34:24,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 15:34:24,685 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 267 [2022-12-13 15:34:24,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:34:24,691 INFO L225 Difference]: With dead ends: 3125 [2022-12-13 15:34:24,691 INFO L226 Difference]: Without dead ends: 3123 [2022-12-13 15:34:24,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2022-12-13 15:34:24,692 INFO L413 NwaCegarLoop]: 796 mSDtfsCounter, 1709 mSDsluCounter, 2478 mSDsCounter, 0 mSdLazyCounter, 2176 mSolverCounterSat, 934 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1870 SdHoareTripleChecker+Valid, 3274 SdHoareTripleChecker+Invalid, 3110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 934 IncrementalHoareTripleChecker+Valid, 2176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:34:24,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1870 Valid, 3274 Invalid, 3110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [934 Valid, 2176 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 15:34:24,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3123 states. [2022-12-13 15:34:25,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3123 to 3104. [2022-12-13 15:34:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3104 states, 2062 states have (on average 1.1765276430649854) internal successors, (2426), 2113 states have internal predecessors, (2426), 720 states have call successors, (720), 296 states have call predecessors, (720), 317 states have return successors, (785), 710 states have call predecessors, (785), 718 states have call successors, (785) [2022-12-13 15:34:25,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3104 states to 3104 states and 3931 transitions. [2022-12-13 15:34:25,617 INFO L78 Accepts]: Start accepts. Automaton has 3104 states and 3931 transitions. Word has length 267 [2022-12-13 15:34:25,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:34:25,618 INFO L495 AbstractCegarLoop]: Abstraction has 3104 states and 3931 transitions. [2022-12-13 15:34:25,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.375) internal successors, (83), 4 states have internal predecessors, (83), 2 states have call successors, (34), 6 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-12-13 15:34:25,618 INFO L276 IsEmpty]: Start isEmpty. Operand 3104 states and 3931 transitions. [2022-12-13 15:34:25,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-12-13 15:34:25,619 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:34:25,619 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 15:34:25,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-12-13 15:34:25,620 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:34:25,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:34:25,620 INFO L85 PathProgramCache]: Analyzing trace with hash -541214394, now seen corresponding path program 1 times [2022-12-13 15:34:25,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:34:25,620 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803856634] [2022-12-13 15:34:25,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:34:25,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:34:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:34:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:34:26,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:34:26,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:34:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:34:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:34:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:34:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:34:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:34:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:34:26,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:34:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:34:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:26,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:34:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:34:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:34:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:34:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 15:34:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 15:34:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 15:34:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 15:34:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 15:34:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 15:34:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 15:34:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 15:34:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,435 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 9 proven. 28 refuted. 0 times theorem prover too weak. 404 trivial. 0 not checked. [2022-12-13 15:34:26,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:34:26,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803856634] [2022-12-13 15:34:26,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803856634] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:34:26,435 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621947852] [2022-12-13 15:34:26,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:34:26,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:34:26,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:34:26,436 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:34:26,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-13 15:34:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:26,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 2195 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-13 15:34:26,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:34:27,009 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 205 proven. 0 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2022-12-13 15:34:27,009 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:34:27,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621947852] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:34:27,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:34:27,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [24] total 25 [2022-12-13 15:34:27,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653099023] [2022-12-13 15:34:27,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:34:27,010 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 15:34:27,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:34:27,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 15:34:27,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=552, Unknown=0, NotChecked=0, Total=600 [2022-12-13 15:34:27,011 INFO L87 Difference]: Start difference. First operand 3104 states and 3931 transitions. Second operand has 18 states, 17 states have (on average 6.764705882352941) internal successors, (115), 17 states have internal predecessors, (115), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) [2022-12-13 15:34:28,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:34:28,494 INFO L93 Difference]: Finished difference Result 5458 states and 6834 transitions. [2022-12-13 15:34:28,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 15:34:28,495 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.764705882352941) internal successors, (115), 17 states have internal predecessors, (115), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) Word has length 255 [2022-12-13 15:34:28,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:34:28,500 INFO L225 Difference]: With dead ends: 5458 [2022-12-13 15:34:28,500 INFO L226 Difference]: Without dead ends: 3083 [2022-12-13 15:34:28,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2022-12-13 15:34:28,504 INFO L413 NwaCegarLoop]: 1151 mSDtfsCounter, 85 mSDsluCounter, 18315 mSDsCounter, 0 mSdLazyCounter, 690 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 19466 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:34:28,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 19466 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 690 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 15:34:28,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3083 states. [2022-12-13 15:34:29,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3083 to 3083. [2022-12-13 15:34:29,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3083 states, 2047 states have (on average 1.1773326819736198) internal successors, (2410), 2097 states have internal predecessors, (2410), 717 states have call successors, (717), 293 states have call predecessors, (717), 314 states have return successors, (782), 708 states have call predecessors, (782), 715 states have call successors, (782) [2022-12-13 15:34:29,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3083 states to 3083 states and 3909 transitions. [2022-12-13 15:34:29,431 INFO L78 Accepts]: Start accepts. Automaton has 3083 states and 3909 transitions. Word has length 255 [2022-12-13 15:34:29,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:34:29,431 INFO L495 AbstractCegarLoop]: Abstraction has 3083 states and 3909 transitions. [2022-12-13 15:34:29,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.764705882352941) internal successors, (115), 17 states have internal predecessors, (115), 7 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 7 states have call predecessors, (34), 7 states have call successors, (34) [2022-12-13 15:34:29,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3083 states and 3909 transitions. [2022-12-13 15:34:29,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2022-12-13 15:34:29,433 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:34:29,433 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 10, 10, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-12-13 15:34:29,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-12-13 15:34:29,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2022-12-13 15:34:29,635 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:34:29,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:34:29,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1801202948, now seen corresponding path program 1 times [2022-12-13 15:34:29,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:34:29,637 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687081578] [2022-12-13 15:34:29,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:34:29,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:34:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:34:29,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:34:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:34:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:34:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:34:29,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:34:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:34:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:29,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:34:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:34:29,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:34:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:34:29,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:29,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:29,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:34:29,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:29,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:29,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:34:29,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:34:29,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:34:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:34:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-12-13 15:34:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-12-13 15:34:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2022-12-13 15:34:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:29,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-12-13 15:34:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:30,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-12-13 15:34:30,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:30,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:30,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-12-13 15:34:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:30,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:30,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:30,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:30,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 15:34:30,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:30,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:30,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 15:34:30,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2022-12-13 15:34:30,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:34:30,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [687081578] [2022-12-13 15:34:30,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [687081578] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:34:30,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115662187] [2022-12-13 15:34:30,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:34:30,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:34:30,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:34:30,051 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:34:30,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-12-13 15:34:30,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:30,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 15:34:30,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:34:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2022-12-13 15:34:30,867 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:34:30,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2115662187] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:34:30,867 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:34:30,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [12] total 21 [2022-12-13 15:34:30,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135740853] [2022-12-13 15:34:30,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:34:30,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-13 15:34:30,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:34:30,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-13 15:34:30,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2022-12-13 15:34:30,870 INFO L87 Difference]: Start difference. First operand 3083 states and 3909 transitions. Second operand has 13 states, 12 states have (on average 9.333333333333334) internal successors, (112), 12 states have internal predecessors, (112), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) [2022-12-13 15:34:32,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:34:32,687 INFO L93 Difference]: Finished difference Result 5679 states and 7169 transitions. [2022-12-13 15:34:32,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-12-13 15:34:32,688 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 9.333333333333334) internal successors, (112), 12 states have internal predecessors, (112), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) Word has length 255 [2022-12-13 15:34:32,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:34:32,694 INFO L225 Difference]: With dead ends: 5679 [2022-12-13 15:34:32,694 INFO L226 Difference]: Without dead ends: 3342 [2022-12-13 15:34:32,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=113, Invalid=817, Unknown=0, NotChecked=0, Total=930 [2022-12-13 15:34:32,697 INFO L413 NwaCegarLoop]: 1273 mSDtfsCounter, 223 mSDsluCounter, 13550 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 197 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 14823 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 197 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:34:32,697 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 14823 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [197 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-12-13 15:34:32,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3342 states. [2022-12-13 15:34:33,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3342 to 3099. [2022-12-13 15:34:33,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3099 states, 2061 states have (on average 1.1751576904415333) internal successors, (2422), 2109 states have internal predecessors, (2422), 719 states have call successors, (719), 293 states have call predecessors, (719), 314 states have return successors, (784), 712 states have call predecessors, (784), 717 states have call successors, (784) [2022-12-13 15:34:33,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3099 states to 3099 states and 3925 transitions. [2022-12-13 15:34:33,760 INFO L78 Accepts]: Start accepts. Automaton has 3099 states and 3925 transitions. Word has length 255 [2022-12-13 15:34:33,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:34:33,760 INFO L495 AbstractCegarLoop]: Abstraction has 3099 states and 3925 transitions. [2022-12-13 15:34:33,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 9.333333333333334) internal successors, (112), 12 states have internal predecessors, (112), 5 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34) [2022-12-13 15:34:33,760 INFO L276 IsEmpty]: Start isEmpty. Operand 3099 states and 3925 transitions. [2022-12-13 15:34:33,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-12-13 15:34:33,762 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:34:33,762 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:34:33,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2022-12-13 15:34:33,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-12-13 15:34:33,964 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:34:33,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:34:33,965 INFO L85 PathProgramCache]: Analyzing trace with hash 394365953, now seen corresponding path program 1 times [2022-12-13 15:34:33,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:34:33,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139418221] [2022-12-13 15:34:33,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:34:33,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:34:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:34:34,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:34:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:34:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:34:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:34:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:34,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 15:34:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:34:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:34,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:34:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:34:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:34:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:34,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 15:34:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 15:34:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:34:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 15:34:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:34:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:34:34,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:34:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-12-13 15:34:34,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-12-13 15:34:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-12-13 15:34:34,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:34,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2022-12-13 15:34:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 15:34:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 15:34:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2022-12-13 15:34:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2022-12-13 15:34:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-12-13 15:34:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 272 [2022-12-13 15:34:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2022-12-13 15:34:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 15:34:34,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-12-13 15:34:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-12-13 15:34:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:34,845 INFO L134 CoverageAnalysis]: Checked inductivity of 527 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2022-12-13 15:34:34,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:34:34,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139418221] [2022-12-13 15:34:34,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139418221] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:34:34,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:34:34,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2022-12-13 15:34:34,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310332117] [2022-12-13 15:34:34,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:34:34,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-12-13 15:34:34,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:34:34,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-12-13 15:34:34,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=420, Unknown=0, NotChecked=0, Total=462 [2022-12-13 15:34:34,848 INFO L87 Difference]: Start difference. First operand 3099 states and 3925 transitions. Second operand has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 14 states have internal predecessors, (131), 7 states have call successors, (46), 9 states have call predecessors, (46), 3 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) [2022-12-13 15:34:45,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:34:45,283 INFO L93 Difference]: Finished difference Result 7235 states and 9472 transitions. [2022-12-13 15:34:45,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-12-13 15:34:45,284 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 14 states have internal predecessors, (131), 7 states have call successors, (46), 9 states have call predecessors, (46), 3 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) Word has length 326 [2022-12-13 15:34:45,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:34:45,291 INFO L225 Difference]: With dead ends: 7235 [2022-12-13 15:34:45,291 INFO L226 Difference]: Without dead ends: 4542 [2022-12-13 15:34:45,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=327, Invalid=1653, Unknown=0, NotChecked=0, Total=1980 [2022-12-13 15:34:45,296 INFO L413 NwaCegarLoop]: 1314 mSDtfsCounter, 4577 mSDsluCounter, 14719 mSDsCounter, 0 mSdLazyCounter, 11255 mSolverCounterSat, 3433 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4600 SdHoareTripleChecker+Valid, 16033 SdHoareTripleChecker+Invalid, 14688 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3433 IncrementalHoareTripleChecker+Valid, 11255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:34:45,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4600 Valid, 16033 Invalid, 14688 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3433 Valid, 11255 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2022-12-13 15:34:45,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4542 states. [2022-12-13 15:34:46,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4542 to 3134. [2022-12-13 15:34:46,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3134 states, 2086 states have (on average 1.173058485139022) internal successors, (2447), 2132 states have internal predecessors, (2447), 729 states have call successors, (729), 293 states have call predecessors, (729), 314 states have return successors, (794), 724 states have call predecessors, (794), 727 states have call successors, (794) [2022-12-13 15:34:46,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3134 states to 3134 states and 3970 transitions. [2022-12-13 15:34:46,370 INFO L78 Accepts]: Start accepts. Automaton has 3134 states and 3970 transitions. Word has length 326 [2022-12-13 15:34:46,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:34:46,370 INFO L495 AbstractCegarLoop]: Abstraction has 3134 states and 3970 transitions. [2022-12-13 15:34:46,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 6.238095238095238) internal successors, (131), 14 states have internal predecessors, (131), 7 states have call successors, (46), 9 states have call predecessors, (46), 3 states have return successors, (43), 7 states have call predecessors, (43), 7 states have call successors, (43) [2022-12-13 15:34:46,370 INFO L276 IsEmpty]: Start isEmpty. Operand 3134 states and 3970 transitions. [2022-12-13 15:34:46,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2022-12-13 15:34:46,372 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:34:46,373 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-12-13 15:34:46,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-12-13 15:34:46,373 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:34:46,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:34:46,373 INFO L85 PathProgramCache]: Analyzing trace with hash -614489692, now seen corresponding path program 1 times [2022-12-13 15:34:46,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:34:46,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727635257] [2022-12-13 15:34:46,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:34:46,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:34:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:34:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:34:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:34:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:34:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:34:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 15:34:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:34:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:34:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:34:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:34:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 15:34:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 15:34:47,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:34:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 15:34:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:34:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:34:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:34:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:34:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:34:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:34:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 15:34:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 15:34:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-12-13 15:34:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:34:47,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:34:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:34:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:34:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:34:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:34:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 15:34:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 15:34:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:34:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:34:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:34:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:34:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:34:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:34:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-12-13 15:34:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-12-13 15:34:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-12-13 15:34:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2022-12-13 15:34:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2022-12-13 15:34:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-12-13 15:34:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 1118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2022-12-13 15:34:47,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:34:47,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727635257] [2022-12-13 15:34:47,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727635257] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:34:47,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:34:47,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 15:34:47,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898557110] [2022-12-13 15:34:47,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:34:47,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 15:34:47,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:34:47,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 15:34:47,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:34:47,612 INFO L87 Difference]: Start difference. First operand 3134 states and 3970 transitions. Second operand has 10 states, 10 states have (on average 10.8) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-13 15:34:55,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:34:55,028 INFO L93 Difference]: Finished difference Result 7105 states and 9212 transitions. [2022-12-13 15:34:55,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 15:34:55,029 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 423 [2022-12-13 15:34:55,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:34:55,036 INFO L225 Difference]: With dead ends: 7105 [2022-12-13 15:34:55,036 INFO L226 Difference]: Without dead ends: 4033 [2022-12-13 15:34:55,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2022-12-13 15:34:55,040 INFO L413 NwaCegarLoop]: 1039 mSDtfsCounter, 1653 mSDsluCounter, 4123 mSDsCounter, 0 mSdLazyCounter, 3737 mSolverCounterSat, 1510 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1733 SdHoareTripleChecker+Valid, 5162 SdHoareTripleChecker+Invalid, 5247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1510 IncrementalHoareTripleChecker+Valid, 3737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:34:55,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1733 Valid, 5162 Invalid, 5247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1510 Valid, 3737 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-12-13 15:34:55,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4033 states. [2022-12-13 15:34:56,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4033 to 3143. [2022-12-13 15:34:56,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3143 states, 2095 states have (on average 1.1737470167064439) internal successors, (2459), 2141 states have internal predecessors, (2459), 729 states have call successors, (729), 293 states have call predecessors, (729), 314 states have return successors, (794), 724 states have call predecessors, (794), 727 states have call successors, (794) [2022-12-13 15:34:56,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3143 states to 3143 states and 3982 transitions. [2022-12-13 15:34:56,119 INFO L78 Accepts]: Start accepts. Automaton has 3143 states and 3982 transitions. Word has length 423 [2022-12-13 15:34:56,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:34:56,119 INFO L495 AbstractCegarLoop]: Abstraction has 3143 states and 3982 transitions. [2022-12-13 15:34:56,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 10.8) internal successors, (108), 4 states have internal predecessors, (108), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-13 15:34:56,120 INFO L276 IsEmpty]: Start isEmpty. Operand 3143 states and 3982 transitions. [2022-12-13 15:34:56,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 432 [2022-12-13 15:34:56,122 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:34:56,122 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-12-13 15:34:56,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-12-13 15:34:56,122 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:34:56,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:34:56,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1049588174, now seen corresponding path program 1 times [2022-12-13 15:34:56,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:34:56,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065622586] [2022-12-13 15:34:56,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:34:56,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:34:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:34:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:34:56,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:34:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:34:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:34:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 15:34:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:34:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:34:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:34:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:56,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:34:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:57,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 15:34:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:34:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:34:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 15:34:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:34:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 15:34:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:34:57,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:34:57,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:34:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:34:57,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:34:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:34:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 15:34:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 15:34:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-12-13 15:34:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:34:57,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:34:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:34:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:34:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:34:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:34:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2022-12-13 15:34:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-12-13 15:34:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:34:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:34:57,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:34:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:34:57,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:34:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:34:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-12-13 15:34:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-12-13 15:34:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-12-13 15:34:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-12-13 15:34:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:34:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2022-12-13 15:34:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-12-13 15:34:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:34:57,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1120 trivial. 0 not checked. [2022-12-13 15:34:57,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:34:57,165 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065622586] [2022-12-13 15:34:57,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065622586] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:34:57,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:34:57,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-13 15:34:57,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840825417] [2022-12-13 15:34:57,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:34:57,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 15:34:57,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:34:57,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 15:34:57,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:34:57,166 INFO L87 Difference]: Start difference. First operand 3143 states and 3982 transitions. Second operand has 10 states, 10 states have (on average 11.5) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-13 15:35:04,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:35:04,128 INFO L93 Difference]: Finished difference Result 7123 states and 9236 transitions. [2022-12-13 15:35:04,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-13 15:35:04,129 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 11.5) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 431 [2022-12-13 15:35:04,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:35:04,137 INFO L225 Difference]: With dead ends: 7123 [2022-12-13 15:35:04,137 INFO L226 Difference]: Without dead ends: 4052 [2022-12-13 15:35:04,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2022-12-13 15:35:04,141 INFO L413 NwaCegarLoop]: 1040 mSDtfsCounter, 1656 mSDsluCounter, 3559 mSDsCounter, 0 mSdLazyCounter, 3400 mSolverCounterSat, 1515 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1736 SdHoareTripleChecker+Valid, 4599 SdHoareTripleChecker+Invalid, 4915 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1515 IncrementalHoareTripleChecker+Valid, 3400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:35:04,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1736 Valid, 4599 Invalid, 4915 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1515 Valid, 3400 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-12-13 15:35:04,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4052 states. [2022-12-13 15:35:05,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4052 to 3161. [2022-12-13 15:35:05,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3161 states, 2113 states have (on average 1.175579744439186) internal successors, (2484), 2159 states have internal predecessors, (2484), 729 states have call successors, (729), 293 states have call predecessors, (729), 314 states have return successors, (794), 724 states have call predecessors, (794), 727 states have call successors, (794) [2022-12-13 15:35:05,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 3161 states and 4007 transitions. [2022-12-13 15:35:05,246 INFO L78 Accepts]: Start accepts. Automaton has 3161 states and 4007 transitions. Word has length 431 [2022-12-13 15:35:05,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:35:05,246 INFO L495 AbstractCegarLoop]: Abstraction has 3161 states and 4007 transitions. [2022-12-13 15:35:05,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.5) internal successors, (115), 4 states have internal predecessors, (115), 2 states have call successors, (41), 8 states have call predecessors, (41), 1 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-13 15:35:05,246 INFO L276 IsEmpty]: Start isEmpty. Operand 3161 states and 4007 transitions. [2022-12-13 15:35:05,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2022-12-13 15:35:05,257 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:35:05,257 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 11, 11, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:35:05,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-12-13 15:35:05,257 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:35:05,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:35:05,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1658207336, now seen corresponding path program 1 times [2022-12-13 15:35:05,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:35:05,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411072997] [2022-12-13 15:35:05,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:35:05,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:35:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:35:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:35:05,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:35:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:35:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:35:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:35:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:35:05,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:35:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:35:05,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:35:05,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:35:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:05,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:35:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:35:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:05,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:35:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:35:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:35:05,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:05,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:35:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:35:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:35:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 15:35:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 15:35:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 15:35:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:05,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-12-13 15:35:05,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-12-13 15:35:05,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2022-12-13 15:35:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-12-13 15:35:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-12-13 15:35:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-12-13 15:35:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:35:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:35:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:35:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-12-13 15:35:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 15:35:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:05,565 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 736 trivial. 0 not checked. [2022-12-13 15:35:05,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:35:05,565 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411072997] [2022-12-13 15:35:05,565 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411072997] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:35:05,565 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:35:05,565 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 15:35:05,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055405739] [2022-12-13 15:35:05,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:35:05,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 15:35:05,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:35:05,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 15:35:05,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-13 15:35:05,566 INFO L87 Difference]: Start difference. First operand 3161 states and 4007 transitions. Second operand has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (41), 7 states have call predecessors, (41), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-13 15:35:12,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:35:12,016 INFO L93 Difference]: Finished difference Result 5789 states and 7321 transitions. [2022-12-13 15:35:12,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 15:35:12,016 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (41), 7 states have call predecessors, (41), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) Word has length 311 [2022-12-13 15:35:12,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:35:12,022 INFO L225 Difference]: With dead ends: 5789 [2022-12-13 15:35:12,023 INFO L226 Difference]: Without dead ends: 3440 [2022-12-13 15:35:12,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2022-12-13 15:35:12,025 INFO L413 NwaCegarLoop]: 880 mSDtfsCounter, 1993 mSDsluCounter, 4219 mSDsCounter, 0 mSdLazyCounter, 4043 mSolverCounterSat, 1821 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2023 SdHoareTripleChecker+Valid, 5099 SdHoareTripleChecker+Invalid, 5864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1821 IncrementalHoareTripleChecker+Valid, 4043 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-12-13 15:35:12,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2023 Valid, 5099 Invalid, 5864 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1821 Valid, 4043 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2022-12-13 15:35:12,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3440 states. [2022-12-13 15:35:13,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3440 to 3161. [2022-12-13 15:35:13,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3161 states, 2113 states have (on average 1.1746332229058212) internal successors, (2482), 2159 states have internal predecessors, (2482), 729 states have call successors, (729), 293 states have call predecessors, (729), 314 states have return successors, (794), 724 states have call predecessors, (794), 727 states have call successors, (794) [2022-12-13 15:35:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 3161 states and 4005 transitions. [2022-12-13 15:35:13,148 INFO L78 Accepts]: Start accepts. Automaton has 3161 states and 4005 transitions. Word has length 311 [2022-12-13 15:35:13,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:35:13,149 INFO L495 AbstractCegarLoop]: Abstraction has 3161 states and 4005 transitions. [2022-12-13 15:35:13,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.545454545454545) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (41), 7 states have call predecessors, (41), 2 states have return successors, (39), 3 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-13 15:35:13,149 INFO L276 IsEmpty]: Start isEmpty. Operand 3161 states and 4005 transitions. [2022-12-13 15:35:13,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-12-13 15:35:13,151 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:35:13,151 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:35:13,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-12-13 15:35:13,152 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:35:13,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:35:13,152 INFO L85 PathProgramCache]: Analyzing trace with hash 985039742, now seen corresponding path program 1 times [2022-12-13 15:35:13,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:35:13,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577112161] [2022-12-13 15:35:13,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:35:13,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:35:13,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:35:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:35:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:35:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:35:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:35:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:14,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 15:35:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:35:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:14,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:35:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:35:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:35:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 15:35:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 15:35:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:35:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 15:35:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:35:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:35:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:35:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:35:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:35:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:35:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 15:35:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 15:35:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 15:35:14,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:35:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:35:14,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:35:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-12-13 15:35:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-12-13 15:35:14,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:35:14,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:35:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 15:35:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-12-13 15:35:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2022-12-13 15:35:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2022-12-13 15:35:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2022-12-13 15:35:14,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-12-13 15:35:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2022-12-13 15:35:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:14,307 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 7 proven. 9 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2022-12-13 15:35:14,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:35:14,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [577112161] [2022-12-13 15:35:14,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [577112161] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:35:14,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410405617] [2022-12-13 15:35:14,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:35:14,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:35:14,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:35:14,309 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:35:14,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-12-13 15:35:15,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:15,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 3024 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-13 15:35:15,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:35:15,958 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2022-12-13 15:35:15,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:35:15,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410405617] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:35:15,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:35:15,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 16 [2022-12-13 15:35:15,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806048335] [2022-12-13 15:35:15,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:35:15,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 15:35:15,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:35:15,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 15:35:15,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=208, Unknown=0, NotChecked=0, Total=240 [2022-12-13 15:35:15,959 INFO L87 Difference]: Start difference. First operand 3161 states and 4005 transitions. Second operand has 8 states, 8 states have (on average 18.0) internal successors, (144), 6 states have internal predecessors, (144), 3 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (43), 5 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-13 15:35:17,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:35:17,149 INFO L93 Difference]: Finished difference Result 6207 states and 7851 transitions. [2022-12-13 15:35:17,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:35:17,150 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.0) internal successors, (144), 6 states have internal predecessors, (144), 3 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (43), 5 states have call predecessors, (43), 3 states have call successors, (43) Word has length 407 [2022-12-13 15:35:17,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:35:17,155 INFO L225 Difference]: With dead ends: 6207 [2022-12-13 15:35:17,155 INFO L226 Difference]: Without dead ends: 3168 [2022-12-13 15:35:17,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 551 GetRequests, 535 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2022-12-13 15:35:17,169 INFO L413 NwaCegarLoop]: 1178 mSDtfsCounter, 2 mSDsluCounter, 7048 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8226 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:35:17,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8226 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:35:17,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3168 states. [2022-12-13 15:35:18,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3168 to 3163. [2022-12-13 15:35:18,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3163 states, 2115 states have (on average 1.174468085106383) internal successors, (2484), 2160 states have internal predecessors, (2484), 729 states have call successors, (729), 293 states have call predecessors, (729), 314 states have return successors, (794), 725 states have call predecessors, (794), 727 states have call successors, (794) [2022-12-13 15:35:18,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3163 states to 3163 states and 4007 transitions. [2022-12-13 15:35:18,262 INFO L78 Accepts]: Start accepts. Automaton has 3163 states and 4007 transitions. Word has length 407 [2022-12-13 15:35:18,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:35:18,262 INFO L495 AbstractCegarLoop]: Abstraction has 3163 states and 4007 transitions. [2022-12-13 15:35:18,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.0) internal successors, (144), 6 states have internal predecessors, (144), 3 states have call successors, (44), 2 states have call predecessors, (44), 4 states have return successors, (43), 5 states have call predecessors, (43), 3 states have call successors, (43) [2022-12-13 15:35:18,262 INFO L276 IsEmpty]: Start isEmpty. Operand 3163 states and 4007 transitions. [2022-12-13 15:35:18,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-12-13 15:35:18,265 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:35:18,265 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 9, 9, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2022-12-13 15:35:18,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2022-12-13 15:35:18,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2022-12-13 15:35:18,467 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:35:18,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:35:18,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1960650110, now seen corresponding path program 2 times [2022-12-13 15:35:18,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:35:18,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267992821] [2022-12-13 15:35:18,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:35:18,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:35:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:35:20,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:35:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:35:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:35:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-12-13 15:35:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:20,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:20,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-12-13 15:35:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2022-12-13 15:35:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:20,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-12-13 15:35:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-12-13 15:35:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:20,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:20,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-12-13 15:35:20,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:20,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2022-12-13 15:35:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:20,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-12-13 15:35:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2022-12-13 15:35:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-12-13 15:35:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:20,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:35:20,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:20,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:35:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:35:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:35:21,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:35:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:35:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2022-12-13 15:35:21,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-12-13 15:35:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-12-13 15:35:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:35:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:35:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:35:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:35:21,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:35:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:35:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-12-13 15:35:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-12-13 15:35:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 15:35:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:35:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:35:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:35:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:35:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-12-13 15:35:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-12-13 15:35:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2022-12-13 15:35:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-12-13 15:35:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-12-13 15:35:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2022-12-13 15:35:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2022-12-13 15:35:21,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:21,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 1100 trivial. 0 not checked. [2022-12-13 15:35:21,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:35:21,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267992821] [2022-12-13 15:35:21,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267992821] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:35:21,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645741040] [2022-12-13 15:35:21,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 15:35:21,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:35:21,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:35:21,359 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:35:21,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-12-13 15:35:22,065 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-12-13 15:35:22,065 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 15:35:22,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 1217 conjuncts, 46 conjunts are in the unsatisfiable core [2022-12-13 15:35:22,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:35:22,087 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 15:35:22,091 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-12-13 15:35:22,237 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 17 [2022-12-13 15:35:22,240 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2022-12-13 15:35:22,344 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1130 trivial. 0 not checked. [2022-12-13 15:35:22,344 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:35:22,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645741040] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:35:22,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:35:22,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [29] total 36 [2022-12-13 15:35:22,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17278154] [2022-12-13 15:35:22,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:35:22,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 15:35:22,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:35:22,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 15:35:22,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=1176, Unknown=0, NotChecked=0, Total=1260 [2022-12-13 15:35:22,346 INFO L87 Difference]: Start difference. First operand 3163 states and 4007 transitions. Second operand has 10 states, 8 states have (on average 14.5) internal successors, (116), 8 states have internal predecessors, (116), 4 states have call successors, (41), 4 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-13 15:35:32,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:35:32,128 INFO L93 Difference]: Finished difference Result 5567 states and 7226 transitions. [2022-12-13 15:35:32,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 15:35:32,128 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 14.5) internal successors, (116), 8 states have internal predecessors, (116), 4 states have call successors, (41), 4 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 439 [2022-12-13 15:35:32,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:35:32,137 INFO L225 Difference]: With dead ends: 5567 [2022-12-13 15:35:32,137 INFO L226 Difference]: Without dead ends: 4148 [2022-12-13 15:35:32,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 575 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=117, Invalid=1605, Unknown=0, NotChecked=0, Total=1722 [2022-12-13 15:35:32,139 INFO L413 NwaCegarLoop]: 1109 mSDtfsCounter, 515 mSDsluCounter, 6059 mSDsCounter, 0 mSdLazyCounter, 5968 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 661 SdHoareTripleChecker+Valid, 7168 SdHoareTripleChecker+Invalid, 6247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 5968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-12-13 15:35:32,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [661 Valid, 7168 Invalid, 6247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 5968 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-12-13 15:35:32,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4148 states. [2022-12-13 15:35:33,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4148 to 3184. [2022-12-13 15:35:33,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3184 states, 2126 states have (on average 1.1735653809971778) internal successors, (2495), 2172 states have internal predecessors, (2495), 737 states have call successors, (737), 295 states have call predecessors, (737), 316 states have return successors, (802), 732 states have call predecessors, (802), 735 states have call successors, (802) [2022-12-13 15:35:33,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4034 transitions. [2022-12-13 15:35:33,316 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4034 transitions. Word has length 439 [2022-12-13 15:35:33,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:35:33,316 INFO L495 AbstractCegarLoop]: Abstraction has 3184 states and 4034 transitions. [2022-12-13 15:35:33,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 14.5) internal successors, (116), 8 states have internal predecessors, (116), 4 states have call successors, (41), 4 states have call predecessors, (41), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-12-13 15:35:33,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4034 transitions. [2022-12-13 15:35:33,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2022-12-13 15:35:33,318 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:35:33,318 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 11, 11, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:35:33,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-12-13 15:35:33,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:35:33,520 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:35:33,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:35:33,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1134208206, now seen corresponding path program 1 times [2022-12-13 15:35:33,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:35:33,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517786087] [2022-12-13 15:35:33,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:35:33,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:35:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:35:33,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:35:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:35:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:35:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:35:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:35:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:35:33,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:33,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:35:33,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:35:33,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:35:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:35:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:35:33,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:33,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:35:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:35:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:35:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:35:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:35:33,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:35:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:35:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 15:35:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:33,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 15:35:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 15:35:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:33,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:33,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 15:35:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:33,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 15:35:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 15:35:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-12-13 15:35:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-12-13 15:35:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-12-13 15:35:33,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2022-12-13 15:35:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-12-13 15:35:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:33,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-12-13 15:35:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2022-12-13 15:35:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:33,912 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2022-12-13 15:35:33,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:35:33,912 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517786087] [2022-12-13 15:35:33,912 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517786087] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:35:33,912 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:35:33,912 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-12-13 15:35:33,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687223052] [2022-12-13 15:35:33,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:35:33,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-13 15:35:33,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:35:33,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-13 15:35:33,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-13 15:35:33,914 INFO L87 Difference]: Start difference. First operand 3184 states and 4034 transitions. Second operand has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2022-12-13 15:35:39,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:35:39,855 INFO L93 Difference]: Finished difference Result 6343 states and 8149 transitions. [2022-12-13 15:35:39,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-13 15:35:39,856 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) Word has length 343 [2022-12-13 15:35:39,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:35:39,864 INFO L225 Difference]: With dead ends: 6343 [2022-12-13 15:35:39,864 INFO L226 Difference]: Without dead ends: 3994 [2022-12-13 15:35:39,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=322, Unknown=0, NotChecked=0, Total=420 [2022-12-13 15:35:39,867 INFO L413 NwaCegarLoop]: 1187 mSDtfsCounter, 1882 mSDsluCounter, 6365 mSDsCounter, 0 mSdLazyCounter, 4379 mSolverCounterSat, 1583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1882 SdHoareTripleChecker+Valid, 7552 SdHoareTripleChecker+Invalid, 5962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1583 IncrementalHoareTripleChecker+Valid, 4379 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:35:39,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1882 Valid, 7552 Invalid, 5962 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1583 Valid, 4379 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-12-13 15:35:39,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3994 states. [2022-12-13 15:35:40,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3994 to 3072. [2022-12-13 15:35:40,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3072 states, 2046 states have (on average 1.1637341153470186) internal successors, (2381), 2090 states have internal predecessors, (2381), 707 states have call successors, (707), 291 states have call predecessors, (707), 314 states have return successors, (776), 706 states have call predecessors, (776), 705 states have call successors, (776) [2022-12-13 15:35:40,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3072 states to 3072 states and 3864 transitions. [2022-12-13 15:35:40,993 INFO L78 Accepts]: Start accepts. Automaton has 3072 states and 3864 transitions. Word has length 343 [2022-12-13 15:35:40,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:35:40,993 INFO L495 AbstractCegarLoop]: Abstraction has 3072 states and 3864 transitions. [2022-12-13 15:35:40,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.272727272727273) internal successors, (113), 5 states have internal predecessors, (113), 2 states have call successors, (44), 7 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2022-12-13 15:35:40,993 INFO L276 IsEmpty]: Start isEmpty. Operand 3072 states and 3864 transitions. [2022-12-13 15:35:40,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-12-13 15:35:40,995 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:35:40,995 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 11, 11, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:35:40,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-12-13 15:35:40,996 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:35:40,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:35:40,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1261935611, now seen corresponding path program 1 times [2022-12-13 15:35:40,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:35:40,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501495894] [2022-12-13 15:35:40,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:35:40,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:35:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:35:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-12-13 15:35:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:35:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-12-13 15:35:41,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 15:35:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:35:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 15:35:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 15:35:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 15:35:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-12-13 15:35:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-12-13 15:35:41,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:41,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-12-13 15:35:41,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:41,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-12-13 15:35:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-12-13 15:35:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-12-13 15:35:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-12-13 15:35:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-12-13 15:35:41,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:41,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-12-13 15:35:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-12-13 15:35:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:35:41,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-12-13 15:35:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-12-13 15:35:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-12-13 15:35:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-12-13 15:35:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-12-13 15:35:41,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-12-13 15:35:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-12-13 15:35:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-12-13 15:35:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2022-12-13 15:35:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-12-13 15:35:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:35:41,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [L5756] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=-5, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=-5, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5756] RET, EXPR ldv_undef_int() VAL [={18446744073709551687:18446744073709551680}, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={0:0}, arg0={0:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_5_ret_default=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_undef_int()=-5, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5756] tmp = ldv_undef_int() [L5758] COND TRUE tmp != 0 [L5760] CALL ldv_dispatch_register_file_operations_instance_3_5_5() [L5722] struct ldv_struct_EMGentry_5 *cf_arg_0 ; [L5723] void *tmp ; VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5726] CALL, EXPR ldv_xmalloc(4UL) VAL [\old(size)=4, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8461] void *res ; [L8462] void *tmp ; [L8463] long tmp___0 ; [L8466] tmp = malloc(size) [L8467] res = tmp VAL [\old(size)=4, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744069414584321:0}, rtnllocknumber=0, size=4, tmp={-18446744069414584321:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] CALL ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=4, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744069414584321:0}, rtnllocknumber=0, size=4, tmp={-18446744069414584321:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] CALL, EXPR ldv_is_err((void const *)res) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-18446744069414584321:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7220] return ((unsigned long )ptr > 4294967295UL); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-18446744069414584321:0}, ptr={-18446744069414584321:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] RET, EXPR ldv_is_err((void const *)res) VAL [\old(size)=4, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_is_err((void const *)res)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744069414584321:0}, rtnllocknumber=0, size=4, tmp={-18446744069414584321:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] tmp___0 = ldv_is_err((void const *)res) [L8470] CALL ldv_assume(tmp___0 == 0L) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=4, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744069414584321:0}, rtnllocknumber=0, size=4, tmp={-18446744069414584321:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8472] return (res); VAL [\old(size)=4, \result={-18446744069414584321:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744069414584321:0}, rtnllocknumber=0, size=4, tmp={-18446744069414584321:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5726] RET, EXPR ldv_xmalloc(4UL) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_xmalloc(4UL)={-18446744069414584321:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5726] tmp = ldv_xmalloc(4UL) [L5727] cf_arg_0 = (struct ldv_struct_EMGentry_5 *)tmp [L5728] CALL ldv_file_operations_file_operations_instance_0((void *)cf_arg_0) [L5787] char *(*ldv_0_callback_devnode)(struct device * , unsigned short * ) ; [L5788] long long (*ldv_0_callback_llseek)(struct file * , long long , int ) ; [L5789] unsigned int (*ldv_0_callback_poll)(struct file * , struct poll_table_struct * ) ; [L5790] long (*ldv_0_callback_read)(struct file * , char * , unsigned long , long long * ) ; [L5791] struct file_operations *ldv_0_container_file_operations ; [L5792] long long ldv_0_ldv_param_22_1_default ; [L5793] int ldv_0_ldv_param_22_2_default ; [L5794] char *ldv_0_ldv_param_26_1_default ; [L5795] long long *ldv_0_ldv_param_26_3_default ; [L5796] char *ldv_0_ldv_param_4_1_default ; [L5797] long long *ldv_0_ldv_param_4_3_default ; [L5798] struct device *ldv_0_ldv_param_5_0_default ; [L5799] unsigned short *ldv_0_ldv_param_5_1_default ; [L5800] struct file *ldv_0_resource_file ; [L5801] struct inode *ldv_0_resource_inode ; [L5802] int ldv_0_ret_default ; [L5803] struct device *ldv_0_size_cnt_struct_device_ptr ; [L5804] struct poll_table_struct *ldv_0_size_cnt_struct_poll_table_struct_ptr ; [L5805] unsigned long ldv_0_size_cnt_write_size ; [L5806] void *tmp ; [L5807] void *tmp___0 ; [L5808] int tmp___1 ; [L5809] int tmp___2 ; [L5810] int tmp___3 ; [L5811] int tmp___4 ; [L5812] void *tmp___5 ; [L5813] void *tmp___6 ; [L5814] void *tmp___7 ; [L5815] void *tmp___8 ; [L5816] int tmp___9 ; [L5817] void *tmp___10 ; [L5818] void *tmp___11 ; [L5821] ldv_0_ret_default = 1 VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={-18446744069414584321:0}, arg0={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5822] CALL, EXPR ldv_xmalloc(504UL) VAL [\old(size)=504, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8461] void *res ; [L8462] void *tmp ; [L8463] long tmp___0 ; [L8466] tmp = malloc(size) [L8467] res = tmp VAL [\old(size)=504, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551590:0}, rtnllocknumber=0, size=504, tmp={-18446744073709551590:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] CALL ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=504, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551590:0}, rtnllocknumber=0, size=504, tmp={-18446744073709551590:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] CALL, EXPR ldv_is_err((void const *)res) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-18446744073709551590:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7220] return ((unsigned long )ptr > 4294967295UL); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-18446744073709551590:0}, ptr={-18446744073709551590:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] RET, EXPR ldv_is_err((void const *)res) VAL [\old(size)=504, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_is_err((void const *)res)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551590:0}, rtnllocknumber=0, size=504, tmp={-18446744073709551590:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] tmp___0 = ldv_is_err((void const *)res) [L8470] CALL ldv_assume(tmp___0 == 0L) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=504, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551590:0}, rtnllocknumber=0, size=504, tmp={-18446744073709551590:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8472] return (res); VAL [\old(size)=504, \result={-18446744073709551590:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-18446744073709551590:0}, rtnllocknumber=0, size=504, tmp={-18446744073709551590:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5822] RET, EXPR ldv_xmalloc(504UL) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={-18446744069414584321:0}, arg0={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_xmalloc(504UL)={-18446744073709551590:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5822] tmp = ldv_xmalloc(504UL) [L5823] ldv_0_resource_file = (struct file *)tmp VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={-18446744069414584321:0}, arg0={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5824] CALL, EXPR ldv_xmalloc(976UL) VAL [\old(size)=976, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8461] void *res ; [L8462] void *tmp ; [L8463] long tmp___0 ; [L8466] tmp = malloc(size) [L8467] res = tmp VAL [\old(size)=976, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232221128654847:0}, rtnllocknumber=0, size=976, tmp={-55340232221128654847:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] CALL ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8468] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=976, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232221128654847:0}, rtnllocknumber=0, size=976, tmp={-55340232221128654847:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] CALL, EXPR ldv_is_err((void const *)res) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-55340232221128654847:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7220] return ((unsigned long )ptr > 4294967295UL); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-55340232221128654847:0}, ptr={-55340232221128654847:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] RET, EXPR ldv_is_err((void const *)res) VAL [\old(size)=976, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_is_err((void const *)res)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232221128654847:0}, rtnllocknumber=0, size=976, tmp={-55340232221128654847:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8469] tmp___0 = ldv_is_err((void const *)res) [L8470] CALL ldv_assume(tmp___0 == 0L) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8470] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=976, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232221128654847:0}, rtnllocknumber=0, size=976, tmp={-55340232221128654847:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8472] return (res); VAL [\old(size)=976, \result={-55340232221128654847:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-55340232221128654847:0}, rtnllocknumber=0, size=976, tmp={-55340232221128654847:0}, tmp___0=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5824] RET, EXPR ldv_xmalloc(976UL) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={-18446744069414584321:0}, arg0={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_xmalloc(976UL)={-55340232221128654847:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5824] tmp___0 = ldv_xmalloc(976UL) [L5825] ldv_0_resource_inode = (struct inode *)tmp___0 VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={-18446744069414584321:0}, arg0={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-55340232221128654847:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5826] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=-6, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=-6, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5826] RET, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={-18446744069414584321:0}, arg0={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=1, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_undef_int()=-6, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-55340232221128654847:0}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5826] tmp___1 = ldv_undef_int() [L5827] ldv_0_size_cnt_struct_device_ptr = (struct device *)((long )tmp___1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={-18446744069414584321:0}, arg0={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=1, ldv_0_size_cnt_struct_device_ptr={0:-6}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-55340232221128654847:0}, tmp___1=-6, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5833] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=-7, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=-7, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5833] RET, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={-18446744069414584321:0}, arg0={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=1, ldv_0_size_cnt_struct_device_ptr={0:-6}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_undef_int()=-7, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-55340232221128654847:0}, tmp___1=-6, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5833] tmp___3 = ldv_undef_int() [L5835] COND TRUE tmp___3 != 0 [L5837] EXPR ldv_0_container_file_operations->open [L5837-L5839] CALL, EXPR ldv_file_operations_instance_probe_0_12(ldv_0_container_file_operations->open, ldv_0_resource_inode, ldv_0_resource_file) [L6030] int tmp ; [L6033] CALL, EXPR tower_open(arg1, arg2) [L4559] struct lego_usb_tower *dev ; [L4560] int subminor ; [L4561] int retval ; [L4562] struct usb_interface *interface ; [L4563] struct tower_reset_reply reset_reply ; [L4564] int result ; [L4565] unsigned int tmp ; [L4566] void *tmp___0 ; [L4567] int tmp___1 ; [L4568] unsigned int tmp___2 ; [L4569] int tmp___3 ; [L4570] unsigned int tmp___4 ; [L4573] dev = (struct lego_usb_tower *)0 [L4574] retval = 0 [L4575] CALL ldv_nonseekable_open_97(inode, file) [L6312] return (0); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-55340232221128654847:0}, ldv_func_arg1={-55340232221128654847:0}, ldv_func_arg2={-18446744073709551590:0}, ldv_func_arg2={-18446744073709551590:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4575] RET ldv_nonseekable_open_97(inode, file) [L4576] CALL, EXPR iminor((struct inode const *)inode) [L4362] EXPR inode->i_rdev [L4362] return ((unsigned int )inode->i_rdev & 1048575U); [L4576] RET, EXPR iminor((struct inode const *)inode) [L4576] tmp = iminor((struct inode const *)inode) [L4577] subminor = (int )tmp [L4578] CALL, EXPR usb_find_interface(& tower_driver, subminor) [L11239] CALL, EXPR ldv_malloc(sizeof(struct usb_interface)) VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8394] void *res ; [L8395] void *tmp ; [L8396] long tmp___0 ; [L8397] int tmp___1 ; VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, size=1468, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8400] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=-8, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=-8, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8400] RET, EXPR ldv_undef_int() VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_undef_int()=-8, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, size=1468, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8400] tmp___1 = ldv_undef_int() [L8402] COND TRUE tmp___1 != 0 [L8404] tmp = malloc(size) [L8405] res = tmp VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-73786976294838206463:0}, rtnllocknumber=0, size=1468, tmp={-73786976294838206463:0}, tmp___1=-8, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8406] CALL ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8406] RET ldv_assume((unsigned long )res != (unsigned long )((void *)0)) VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-73786976294838206463:0}, rtnllocknumber=0, size=1468, tmp={-73786976294838206463:0}, tmp___1=-8, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8407] CALL, EXPR ldv_is_err((void const *)res) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-73786976294838206463:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7220] return ((unsigned long )ptr > 4294967295UL); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, ptr={-73786976294838206463:0}, ptr={-73786976294838206463:0}, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8407] RET, EXPR ldv_is_err((void const *)res) VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_is_err((void const *)res)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-73786976294838206463:0}, rtnllocknumber=0, size=1468, tmp={-73786976294838206463:0}, tmp___1=-8, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8407] tmp___0 = ldv_is_err((void const *)res) [L8408] CALL ldv_assume(tmp___0 == 0L) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8408] RET ldv_assume(tmp___0 == 0L) VAL [\old(size)=1468, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-73786976294838206463:0}, rtnllocknumber=0, size=1468, tmp={-73786976294838206463:0}, tmp___0=0, tmp___1=-8, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8410] return (res); VAL [\old(size)=1468, \result={-73786976294838206463:0}, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, res={-73786976294838206463:0}, rtnllocknumber=0, size=1468, tmp={-73786976294838206463:0}, tmp___0=0, tmp___1=-8, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L11239] RET, EXPR ldv_malloc(sizeof(struct usb_interface)) VAL [\old(arg1)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={90:0}, arg0={90:0}, arg1=0, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_malloc(sizeof(struct usb_interface))={-73786976294838206463:0}, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L11239] return ldv_malloc(sizeof(struct usb_interface)); [L4578] RET, EXPR usb_find_interface(& tower_driver, subminor) [L4578] interface = usb_find_interface(& tower_driver, subminor) [L4580] COND FALSE !((unsigned long )interface == (unsigned long )((struct usb_interface *)0)) [L4589] CALL ldv_mutex_lock_98(& open_disc_mutex) [L6319] CALL ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8947] CALL ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10619] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8947] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, lock={87:0}, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8948] LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex = 1 VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, lock={87:0}, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6319] RET ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex(ldv_func_arg1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={87:0}, ldv_func_arg1={87:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4589] RET ldv_mutex_lock_98(& open_disc_mutex) [L4590] CALL, EXPR usb_get_intfdata(interface) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4370] void *tmp ; [L4373] CALL, EXPR dev_get_drvdata((struct device const *)(& intf->dev)) [L4347] EXPR dev->driver_data [L4347] return ((void *)dev->driver_data); [L4373] RET, EXPR dev_get_drvdata((struct device const *)(& intf->dev)) [L4373] tmp = dev_get_drvdata((struct device const *)(& intf->dev)) [L4375] return (tmp); VAL [\result={-18446744073709551590:-25}, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, intf={-73786976294838206463:0}, intf={-73786976294838206463:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:-25}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4590] RET, EXPR usb_get_intfdata(interface) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={0:0}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, usb_get_intfdata(interface)={-18446744073709551590:-25}, write_buffer_size=480] [L4590] tmp___0 = usb_get_intfdata(interface) [L4591] dev = (struct lego_usb_tower *)tmp___0 VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4593] COND FALSE !((unsigned long )dev == (unsigned long )((struct lego_usb_tower *)0)) [L4602] CALL, EXPR ldv_mutex_lock_interruptible_100(& dev->lock) [L6335] int tmp ; VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6338] CALL, EXPR ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8783] int tmp ; VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8786] CALL ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10619] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8786] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8787] CALL, EXPR ldv_undef_int() VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, \result=-9, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=-9, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8787] RET, EXPR ldv_undef_int() VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_undef_int()=-9, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8787] tmp = ldv_undef_int() [L8789] COND TRUE tmp != 0 [L8790] LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower = 1 [L8791] return (0); VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, \result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=-9, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6338] RET, EXPR ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1)=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6338] tmp = ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1) [L6340] return (tmp); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4602] RET, EXPR ldv_mutex_lock_interruptible_100(& dev->lock) [L4602] tmp___1 = ldv_mutex_lock_interruptible_100(& dev->lock) [L4604] COND FALSE !(tmp___1 != 0) [L4612] EXPR dev->open_count VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, dev->open_count=0, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4612] COND FALSE !(dev->open_count != 0) [L4621] dev->open_count = 1 [L4622] CALL ldv_mutex_unlock_103(& open_disc_mutex) [L6365] CALL ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L9022] CALL ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock((int )LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10643] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L9022] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock((int )LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={87:0}, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L9023] LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex = 0 VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={87:0}, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6365] RET ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex(ldv_func_arg1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={87:0}, ldv_func_arg1={87:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4622] RET ldv_mutex_unlock_103(& open_disc_mutex) [L4623] EXPR dev->udev VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, dev->udev={-36893488147419103202:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4623] CALL, EXPR __create_pipe(dev->udev, 0U) VAL [\old(endpoint)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-36893488147419103202:-30}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4446] EXPR dev->devnum [L4446] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L4623] RET, EXPR __create_pipe(dev->udev, 0U) VAL [__create_pipe(dev->udev, 0U)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, dev->udev={-36893488147419103202:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4623] tmp___2 = __create_pipe(dev->udev, 0U) [L4624] EXPR dev->udev VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, dev->udev={-36893488147419103202:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4624-L4625] CALL, EXPR usb_control_msg(dev->udev, tmp___2 | 2147483776U, 4, 192, 0, 0, (void *)(& reset_reply), 4, 1000) VAL [\old(arg1)=2147483776, \old(arg2)=4, \old(arg3)=192, \old(arg4)=0, \old(arg5)=0, \old(arg7)=4, \old(arg8)=1000, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={-36893488147419103202:-30}, arg6={18446744073709551625:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L11230] return __VERIFIER_nondet_int(); [L4624-L4625] RET, EXPR usb_control_msg(dev->udev, tmp___2 | 2147483776U, 4, 192, 0, 0, (void *)(& reset_reply), 4, 1000) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, dev->udev={-36893488147419103202:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, usb_control_msg(dev->udev, tmp___2 | 2147483776U, 4, 192, 0, 0, (void *)(& reset_reply), 4, 1000)=0, write_buffer_size=480] [L4624-L4625] result = usb_control_msg(dev->udev, tmp___2 | 2147483776U, 4, 192, 0, 0, (void *)(& reset_reply), 4, 1000) [L4627] COND FALSE !(result < 0) [L4636] dev->read_buffer_length = 0UL [L4637] dev->read_packet_length = 0UL [L4638] EXPR dev->interrupt_in_endpoint VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, dev->interrupt_in_endpoint={18446744073709551635:-15}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4638] CALL, EXPR usb_endpoint_maxp((struct usb_endpoint_descriptor const *)dev->interrupt_in_endpoint) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, epd={18446744073709551635:-15}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4259] EXPR epd->wMaxPacketSize [L4259] return ((int )epd->wMaxPacketSize); [L4638] RET, EXPR usb_endpoint_maxp((struct usb_endpoint_descriptor const *)dev->interrupt_in_endpoint) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, dev->interrupt_in_endpoint={18446744073709551635:-15}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, usb_endpoint_maxp((struct usb_endpoint_descriptor const *)dev->interrupt_in_endpoint)=95, write_buffer_size=480] [L4638] tmp___3 = usb_endpoint_maxp((struct usb_endpoint_descriptor const *)dev->interrupt_in_endpoint) [L4639] EXPR dev->udev [L4639] EXPR dev->interrupt_in_endpoint [L4639] EXPR (dev->interrupt_in_endpoint)->bEndpointAddress VAL [(dev->interrupt_in_endpoint)->bEndpointAddress=257, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, dev->interrupt_in_endpoint={18446744073709551635:-15}, dev->udev={-36893488147419103202:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tmp___3=95, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4639] CALL, EXPR __create_pipe(dev->udev, (unsigned int )(dev->interrupt_in_endpoint)->bEndpointAddress) VAL [\old(endpoint)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-36893488147419103202:-30}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4446] EXPR dev->devnum [L4446] return ((unsigned int )(dev->devnum << 8) | (endpoint << 15)); [L4639] RET, EXPR __create_pipe(dev->udev, (unsigned int )(dev->interrupt_in_endpoint)->bEndpointAddress) VAL [(dev->interrupt_in_endpoint)->bEndpointAddress=257, __create_pipe(dev->udev, (unsigned int )(dev->interrupt_in_endpoint)->bEndpointAddress)=32768, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, dev->interrupt_in_endpoint={18446744073709551635:-15}, dev->udev={-36893488147419103202:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tmp___3=95, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4639] tmp___4 = __create_pipe(dev->udev, (unsigned int )(dev->interrupt_in_endpoint)->bEndpointAddress) [L4640] EXPR dev->interrupt_in_urb [L4640] EXPR dev->udev [L4640] EXPR dev->interrupt_in_buffer [L4641] EXPR dev->interrupt_in_interval VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, dev->interrupt_in_buffer={18446744073709551649:18446744073709551671}, dev->interrupt_in_interval=16, dev->interrupt_in_urb={-18446744073709551590:296}, dev->udev={-36893488147419103202:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tmp___3=95, tmp___4=32768, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4640-L4641] CALL usb_fill_int_urb(dev->interrupt_in_urb, dev->udev, tmp___4 | 1073741952U, (void *)dev->interrupt_in_buffer, tmp___3, & tower_interrupt_in_callback, (void *)dev, dev->interrupt_in_interval) VAL [\old(buffer_length)=95, \old(interval)=16, \old(pipe)=1073741952, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, complete_fn={-1:9}, context={-18446744073709551590:-25}, dev={-36893488147419103202:-30}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, transfer_buffer={18446744073709551649:18446744073709551671}, urb={-18446744073709551590:296}, write_buffer_size=480] [L4408] int _min1 ; [L4409] int _max1 ; [L4410] int _max2 ; [L4411] int _min2 ; [L4413] urb->dev = dev [L4414] urb->pipe = pipe [L4415] urb->transfer_buffer = transfer_buffer [L4416] urb->transfer_buffer_length = (u32 )buffer_length [L4417] urb->complete = complete_fn [L4418] urb->context = context [L4419] EXPR dev->speed [L4419] (unsigned int )dev->speed == 3U || (unsigned int )dev->speed == 5U VAL [(unsigned int )dev->speed == 3U || (unsigned int )dev->speed == 5U=1, \old(buffer_length)=95, \old(interval)=16, \old(pipe)=1073741952, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, buffer_length=95, complete_fn={-1:9}, complete_fn={-1:9}, context={-18446744073709551590:-25}, context={-18446744073709551590:-25}, dev={-36893488147419103202:-30}, dev={-36893488147419103202:-30}, dev->speed=4294967299, interrupt_in_interval=2, interrupt_out_interval=8, interval=16, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, pipe=1073741952, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, transfer_buffer={18446744073709551649:18446744073709551671}, transfer_buffer={18446744073709551649:18446744073709551671}, urb={-18446744073709551590:296}, urb={-18446744073709551590:296}, write_buffer_size=480] [L4419] COND TRUE (unsigned int )dev->speed == 3U || (unsigned int )dev->speed == 5U [L4420] _max1 = interval [L4421] _max2 = 1 [L4422] _min1 = _max1 > _max2 ? _max1 : _max2 [L4423] _min2 = 16 [L4424] interval = _min1 < _min2 ? _min1 : _min2 [L4425] urb->interval = 1 << (interval + -1) VAL [\old(buffer_length)=95, \old(interval)=16, \old(pipe)=1073741952, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, _max1=16, _max2=1, _min1=16, _min2=16, buffer_length=95, complete_fn={-1:9}, complete_fn={-1:9}, context={-18446744073709551590:-25}, context={-18446744073709551590:-25}, dev={-36893488147419103202:-30}, dev={-36893488147419103202:-30}, interrupt_in_interval=2, interrupt_out_interval=8, interval=16, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, pipe=1073741952, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, transfer_buffer={18446744073709551649:18446744073709551671}, transfer_buffer={18446744073709551649:18446744073709551671}, urb={-18446744073709551590:296}, urb={-18446744073709551590:296}, write_buffer_size=480] [L4429] urb->start_frame = -1 VAL [\old(buffer_length)=95, \old(interval)=16, \old(pipe)=1073741952, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, _max1=16, _max2=1, _min1=16, _min2=16, buffer_length=95, complete_fn={-1:9}, complete_fn={-1:9}, context={-18446744073709551590:-25}, context={-18446744073709551590:-25}, dev={-36893488147419103202:-30}, dev={-36893488147419103202:-30}, interrupt_in_interval=2, interrupt_out_interval=8, interval=16, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, pipe=1073741952, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, transfer_buffer={18446744073709551649:18446744073709551671}, transfer_buffer={18446744073709551649:18446744073709551671}, urb={-18446744073709551590:296}, urb={-18446744073709551590:296}, write_buffer_size=480] [L4640-L4641] RET usb_fill_int_urb(dev->interrupt_in_urb, dev->udev, tmp___4 | 1073741952U, (void *)dev->interrupt_in_buffer, tmp___3, & tower_interrupt_in_callback, (void *)dev, dev->interrupt_in_interval) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, dev->interrupt_in_buffer={18446744073709551649:18446744073709551671}, dev->interrupt_in_interval=16, dev->interrupt_in_urb={-18446744073709551590:296}, dev->udev={-36893488147419103202:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tmp___3=95, tmp___4=32768, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4642] dev->interrupt_in_running = 1 [L4643] dev->interrupt_in_done = 0 [L4645] EXPR dev->interrupt_in_urb [L4645] CALL, EXPR ldv_usb_submit_urb_104(dev->interrupt_in_urb, 208U) [L6374] CALL ldv_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4065] CALL ldv_linux_alloc_irq_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6740] bool tmp ; [L6741] int tmp___0 ; VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6744] CALL, EXPR ldv_in_interrupt_context() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7739] return (__ldv_in_interrupt_context); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6744] RET, EXPR ldv_in_interrupt_context() VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_in_interrupt_context()=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6744] tmp = ldv_in_interrupt_context() [L6746] COND FALSE !(\read(tmp)) [L6749] tmp___0 = 1 VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tmp___0=1, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6752] CALL ldv_assert_linux_alloc_irq__wrong_flags(tmp___0 || flags == 32U) [L10815] COND FALSE !(! expr) VAL [\old(expr)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6752] RET ldv_assert_linux_alloc_irq__wrong_flags(tmp___0 || flags == 32U) [L4065] RET ldv_linux_alloc_irq_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4066] CALL ldv_linux_alloc_usb_lock_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6807] COND FALSE !(ldv_linux_alloc_usb_lock_lock == 2) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4066] RET ldv_linux_alloc_usb_lock_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6374] RET ldv_check_alloc_flags(flags) VAL [\old(flags)=208, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, flags=208, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-295:296}, ldv_func_arg1={-295:296}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6376] return __VERIFIER_nondet_int(); [L4645] RET, EXPR ldv_usb_submit_urb_104(dev->interrupt_in_urb, 208U) [L4645] retval = ldv_usb_submit_urb_104(dev->interrupt_in_urb, 208U) [L4647] COND FALSE !(retval != 0) [L4657] file->private_data = (void *)dev VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, reset_reply={18446744073709551625:0}, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tmp___3=95, tmp___4=32768, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4660] CALL ldv_mutex_unlock_105(& dev->lock) [L6383] CALL ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8850] CALL ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock((int )LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10643] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8850] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock((int )LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8851] LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower = 0 VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6383] RET ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower(ldv_func_arg1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4660] RET ldv_mutex_unlock_105(& dev->lock) [L4663] return (retval); [L4663] return (retval); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interface={-73786976294838206463:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, result=0, retval=0, rtnllocknumber=0, subminor=0, tmp=0, tmp___0={-18446744073709551590:-25}, tmp___1=0, tmp___2=0, tmp___3=95, tmp___4=32768, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6033] RET, EXPR tower_open(arg1, arg2) [L6033] tmp = tower_open(arg1, arg2) [L6035] return (tmp); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={18446744073709551666:18446744073709551647}, arg0={18446744073709551666:18446744073709551647}, arg1={-55340232221128654847:0}, arg1={-55340232221128654847:0}, arg2={-18446744073709551590:0}, arg2={-18446744073709551590:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5837-L5839] RET, EXPR ldv_file_operations_instance_probe_0_12(ldv_0_container_file_operations->open, ldv_0_resource_inode, ldv_0_resource_file) [L5837-L5839] ldv_0_ret_default = ldv_file_operations_instance_probe_0_12(ldv_0_container_file_operations->open, ldv_0_resource_inode, ldv_0_resource_file) [L5840] CALL, EXPR ldv_filter_err_code(ldv_0_ret_default) [L7711] int tmp ; VAL [\old(ret_val)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, ret_val=0, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7714] CALL, EXPR ldv_filter_positive_int(ret_val) VAL [\old(val)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7684] CALL ldv_assume(val <= 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7684] RET ldv_assume(val <= 0) VAL [\old(val)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, val=0, write_buffer_size=480] [L7686] return (val); VAL [\old(val)=0, \result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, val=0, write_buffer_size=480] [L7714] RET, EXPR ldv_filter_positive_int(ret_val) VAL [\old(ret_val)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_filter_positive_int(ret_val)=0, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, ret_val=0, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L7714] tmp = ldv_filter_positive_int(ret_val) [L7716] return (tmp); VAL [\old(ret_val)=0, \result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, ret_val=0, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5840] RET, EXPR ldv_filter_err_code(ldv_0_ret_default) [L5840] ldv_0_ret_default = ldv_filter_err_code(ldv_0_ret_default) [L5841] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=-10, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=-10, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5841] RET, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={-18446744069414584321:0}, arg0={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={18446744073709551638:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:-6}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_undef_int()=-10, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-55340232221128654847:0}, tmp___1=-6, tmp___3=-7, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5841] tmp___2 = ldv_undef_int() [L5843] COND TRUE tmp___2 != 0 VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={-18446744069414584321:0}, arg0={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={18446744073709551638:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:-6}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-55340232221128654847:0}, tmp___1=-6, tmp___2=-10, tmp___3=-7, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5845] CALL ldv_assume(ldv_0_ret_default == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8357] COND FALSE !(expression == 0) VAL [\old(expression)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expression=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5845] RET ldv_assume(ldv_0_ret_default == 0) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={-18446744069414584321:0}, arg0={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={18446744073709551638:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:-6}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-55340232221128654847:0}, tmp___1=-6, tmp___2=-10, tmp___3=-7, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5864] CALL, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\result=2, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=2, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5864] RET, EXPR ldv_undef_int() VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={-18446744069414584321:0}, arg0={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={18446744073709551638:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:-6}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, ldv_undef_int()=2, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-55340232221128654847:0}, tmp___1=-6, tmp___2=-10, tmp___3=-7, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5864] tmp___4 = ldv_undef_int() [L5867] COND FALSE !(tmp___4 == 1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={-18446744069414584321:0}, arg0={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={18446744073709551638:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:-6}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-55340232221128654847:0}, tmp___1=-6, tmp___2=-10, tmp___3=-7, tmp___4=2, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5871] COND TRUE tmp___4 == 2 VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, arg0={-18446744069414584321:0}, arg0={-18446744069414584321:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_0_container_file_operations={18446744073709551638:1}, ldv_0_resource_file={-18446744073709551590:0}, ldv_0_resource_inode={-55340232221128654847:0}, ldv_0_ret_default=0, ldv_0_size_cnt_struct_device_ptr={0:-6}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp={-18446744073709551590:0}, tmp___0={-55340232221128654847:0}, tmp___1=-6, tmp___2=-10, tmp___3=-7, tmp___4=2, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L5897] EXPR ldv_0_container_file_operations->release [L5897-L5898] CALL ldv_file_operations_instance_release_0_2(ldv_0_container_file_operations->release, ldv_0_resource_inode, ldv_0_resource_file) [L6043] CALL tower_release(arg1, arg2) [L4668] struct lego_usb_tower *dev ; [L4669] int retval ; [L4670] int tmp ; [L4671] struct _ddebug descriptor ; [L4672] long tmp___0 ; [L4673] long __ret ; [L4674] wait_queue_t __wait ; [L4675] long __ret___0 ; [L4676] long __int ; [L4677] long tmp___1 ; [L4678] bool __cond ; [L4679] bool __cond___0 ; [L4681] retval = 0 [L4682] EXPR file->private_data [L4682] dev = (struct lego_usb_tower *)file->private_data [L4683] COND FALSE !((unsigned long )dev == (unsigned long )((struct lego_usb_tower *)0)) [L4689] CALL ldv_mutex_lock_106(& open_disc_mutex) [L6392] CALL ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8947] CALL ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10619] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8947] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=0, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={87:0}, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8948] LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex = 1 VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, lock={87:0}, lock={87:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6392] RET ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex(ldv_func_arg1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={87:0}, ldv_func_arg1={87:0}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4689] RET ldv_mutex_lock_106(& open_disc_mutex) [L4690] CALL, EXPR ldv_mutex_lock_interruptible_107(& dev->lock) [L6399] int tmp ; VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6402] CALL, EXPR ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8783] int tmp ; VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8786] CALL ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10619] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8786] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock(! LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8787] CALL, EXPR ldv_undef_int() VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8496] int tmp ; [L8499] tmp = __VERIFIER_nondet_int() [L8501] return (tmp); VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, \result=-14, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=-14, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8787] RET, EXPR ldv_undef_int() VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, ldv_undef_int()=-14, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8787] tmp = ldv_undef_int() [L8789] COND TRUE tmp != 0 [L8790] LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower = 1 [L8791] return (0); VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=0, \result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=-14, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6402] RET, EXPR ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1)=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6402] tmp = ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower(ldv_func_arg1) [L6404] return (tmp); VAL [\result=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4690] RET, EXPR ldv_mutex_lock_interruptible_107(& dev->lock) [L4690] tmp = ldv_mutex_lock_interruptible_107(& dev->lock) [L4692] COND FALSE !(tmp != 0) [L4697] EXPR dev->open_count VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, __wait={18446744073709551619:0}, descriptor={18446744073709551626:0}, dev={-18446744073709551590:-25}, dev->open_count=1, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, retval=0, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4697] COND FALSE !(dev->open_count != 1) [L4718] EXPR dev->udev VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, __wait={18446744073709551619:0}, descriptor={18446744073709551626:0}, dev={-18446744073709551590:-25}, dev->udev={-36893488147419103202:-30}, file={-18446744073709551590:0}, file={-18446744073709551590:0}, inode={-55340232221128654847:0}, inode={-55340232221128654847:0}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, retval=0, rtnllocknumber=0, tmp=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4718] COND TRUE (unsigned long )dev->udev == (unsigned long )((struct usb_device *)0) [L4720] CALL ldv_mutex_unlock_108(& dev->lock) [L6411] CALL ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower(ldv_func_arg1) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8850] CALL ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock((int )LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L10643] COND FALSE !(! expr) VAL [\old(expr)=1, \old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expr=1, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8850] RET ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock((int )LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower) VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=1, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8851] LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower = 0 VAL [\old(LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower)=1, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, lock={-18446744073709551590:-25}, lock={-18446744073709551590:-25}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L6411] RET ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower(ldv_func_arg1) VAL [__ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_func_arg1={-18446744073709551590:-25}, ldv_func_arg1={-18446744073709551590:-25}, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4720] RET ldv_mutex_unlock_108(& dev->lock) [L4721] CALL tower_delete(dev) VAL [\old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4546] CALL tower_abort_transfers(dev) VAL [\old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4793] COND FALSE !((unsigned long )dev == (unsigned long )((struct lego_usb_tower *)0)) [L4797] EXPR dev->interrupt_in_running VAL [\old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, dev={-18446744073709551590:-25}, dev->interrupt_in_running=0, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4797] COND FALSE !(dev->interrupt_in_running != 0) [L4808] EXPR dev->interrupt_out_busy [L4808] dev->interrupt_out_busy != 0 && (unsigned long )dev->udev != (unsigned long )((struct usb_device *)0) [L4808] EXPR dev->udev [L4808] dev->interrupt_out_busy != 0 && (unsigned long )dev->udev != (unsigned long )((struct usb_device *)0) VAL [\old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, dev={-18446744073709551590:-25}, dev->interrupt_out_busy=18446744073709551630, dev->interrupt_out_busy != 0 && (unsigned long )dev->udev != (unsigned long )((struct usb_device *)0)=0, dev->udev={-36893488147419103202:-30}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4808] COND FALSE !(dev->interrupt_out_busy != 0 && (unsigned long )dev->udev != (unsigned long )((struct usb_device *)0)) [L4546] RET tower_abort_transfers(dev) VAL [\old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, dev={-18446744073709551590:-25}, dev={-18446744073709551590:-25}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L4547] EXPR dev->interrupt_in_urb [L4547] CALL ldv_usb_free_urb_95(dev->interrupt_in_urb) [L6295] CALL ldv_linux_usb_urb_usb_free_urb(urb) VAL [\old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2={0:0}, ldv_thread_2=0, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L8333] COND TRUE (unsigned long )urb != (unsigned long )((struct urb *)0) [L8335] CALL ldv_assert_linux_usb_urb__less_initial_decrement(ldv_linux_usb_urb_urb_state > 0) [L11087] COND TRUE ! expr VAL [\old(expr)=0, \old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expr=0, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0=0, ldv_thread_0={0:0}, ldv_thread_1=0, ldv_thread_1={0:0}, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5={0:0}, ldv_thread_5=0, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] [L11089] reach_error() VAL [\old(expr)=0, \old(ldv_linux_usb_urb_urb_state)=0, __ldv_in_interrupt_context=0, __this_module={18446744073709551681:18446744073709551662}, expr=0, interrupt_in_interval=2, interrupt_out_interval=8, ldv_linux_alloc_usb_lock_lock=1, ldv_linux_arch_io_iomem=0, ldv_linux_block_genhd_disk_state=0, ldv_linux_block_queue_queue_state=0, ldv_linux_block_request_blk_rq=0, ldv_linux_drivers_base_class_usb_gadget_class=0, ldv_linux_fs_char_dev_usb_gadget_chrdev=0, ldv_linux_fs_sysfs_sysfs=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_i_mutex_of_inode=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_lock_of_lego_usb_tower=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_mutex_of_device=0, LDV_LINUX_KERNEL_LOCKING_MUTEX_MUTEXES_open_disc_mutex=1, ldv_linux_kernel_locking_rwlock_rlock=1, ldv_linux_kernel_locking_rwlock_wlock=1, ldv_linux_kernel_locking_spinlock_spin_alloc_lock_of_task_struct=1, ldv_linux_kernel_locking_spinlock_spin_i_lock_of_inode=1, ldv_linux_kernel_locking_spinlock_spin_lock=1, ldv_linux_kernel_locking_spinlock_spin_lock_of_NOT_ARG_SIGN=1, ldv_linux_kernel_locking_spinlock_spin_node_size_lock_of_pglist_data=1, ldv_linux_kernel_locking_spinlock_spin_ptl=1, ldv_linux_kernel_locking_spinlock_spin_read_buffer_lock_of_lego_usb_tower=1, ldv_linux_kernel_locking_spinlock_spin_siglock_of_sighand_struct=1, ldv_linux_kernel_module_module_refcounter=1, ldv_linux_kernel_rcu_srcu_srcu_nested=0, ldv_linux_kernel_rcu_update_lock_bh_rcu_nested_bh=0, ldv_linux_kernel_rcu_update_lock_rcu_nested=0, ldv_linux_kernel_rcu_update_lock_sched_rcu_nested_sched=0, ldv_linux_kernel_sched_completion_completion=0, ldv_linux_lib_idr_idr=0, ldv_linux_mmc_sdio_func_sdio_element=0, ldv_linux_net_register_probe_state=0, ldv_linux_usb_coherent_coherent_state=0, LDV_LINUX_USB_DEV_USB_DEV_REF_COUNTS=0, ldv_linux_usb_gadget_usb_gadget=0, ldv_linux_usb_register_probe_state=0, ldv_linux_usb_urb_urb_state=0, ldv_thread_0={0:0}, ldv_thread_0=0, ldv_thread_1={0:0}, ldv_thread_1=0, ldv_thread_2=0, ldv_thread_2={0:0}, ldv_thread_5=0, ldv_thread_5={0:0}, locksocknumber=0, nr_cpu_ids=1, open_disc_mutex={87:0}, packet_timeout=50, read_buffer_size=480, read_timeout=200, rtnllocknumber=0, tower_class={89:0}, tower_driver={90:0}, tower_fops={88:0}, tower_table={86:0}, write_buffer_size=480] - UnprovableResult [Line: 10742]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11027]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10755]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10460]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10497]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10559]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10621]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10964]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11101]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11064]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10903]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10817]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10126]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10162]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11138]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10435]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10645]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10211]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11040]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10286]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10077]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10804]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10323]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10989]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10348]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10866]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10249]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 11002]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 10510]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 77 procedures, 987 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 585.8s, OverallIterations: 68, TraceHistogramMax: 26, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 426.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1139 mSolverCounterUnknown, 126726 SdHoareTripleChecker+Valid, 313.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118554 mSDsluCounter, 512652 SdHoareTripleChecker+Invalid, 286.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 7148 IncrementalHoareTripleChecker+Unchecked, 440623 mSDsCounter, 78423 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 319500 IncrementalHoareTripleChecker+Invalid, 406210 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78423 mSolverCounterUnsat, 72029 mSDtfsCounter, 319500 mSolverCounterSat, 2.1s SdHoareTripleChecker+Time, 1139 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16459 GetRequests, 14852 SyntacticMatches, 52 SemanticMatches, 1555 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 13997 ImplicationChecksByTransitivity, 21.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9867occurred in iteration=65, InterpolantAutomatonStates: 1019, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 61.3s AutomataMinimizationTime, 67 MinimizatonAttempts, 40268 StatesRemovedByMinimization, 45 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 1.7s SsaConstructionTime, 23.9s SatisfiabilityAnalysisTime, 54.6s InterpolantComputationTime, 25507 NumberOfCodeBlocks, 25113 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 26924 ConstructedInterpolants, 326 QuantifiedInterpolants, 47020 SizeOfPredicates, 256 NumberOfNonLiveVariables, 51837 ConjunctsInSsa, 810 ConjunctsInUnsatCore, 91 InterpolantComputations, 63 PerfectInterpolantSequences, 60408/61681 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 15:39:58,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8 --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed --- 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 [2022-12-13 15:39:59,762 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:39:59,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:39:59,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:39:59,782 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:39:59,783 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:39:59,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:39:59,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:39:59,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:39:59,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:39:59,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:39:59,790 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:39:59,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:39:59,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:39:59,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:39:59,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:39:59,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:39:59,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:39:59,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:39:59,797 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:39:59,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:39:59,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:39:59,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:39:59,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:39:59,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:39:59,805 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:39:59,806 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:39:59,807 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:39:59,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:39:59,808 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:39:59,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:39:59,809 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:39:59,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:39:59,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:39:59,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:39:59,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:39:59,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:39:59,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:39:59,818 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:39:59,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:39:59,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:39:59,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 15:39:59,843 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:39:59,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:39:59,843 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:39:59,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:39:59,844 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:39:59,844 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:39:59,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:39:59,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:39:59,845 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:39:59,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:39:59,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:39:59,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:39:59,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:39:59,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:39:59,847 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 15:39:59,847 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 15:39:59,847 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 15:39:59,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:39:59,847 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:39:59,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:39:59,848 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:39:59,848 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:39:59,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:39:59,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:39:59,849 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:39:59,849 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:39:59,849 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:39:59,849 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 15:39:59,849 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 15:39:59,850 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:39:59,850 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:39:59,850 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:39:59,850 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:39:59,850 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 15:39:59,851 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:39:59,851 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5574142529d95f295134c1dccd4c5dbe0383ae5c309e7dc50fd933e5702659ed [2022-12-13 15:40:00,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:40:00,080 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:40:00,082 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:40:00,083 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:40:00,083 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:40:00,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2022-12-13 15:40:02,596 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:40:03,012 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:40:03,012 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2022-12-13 15:40:03,040 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/data/c2591b8b7/aa6bf166ca7b43dc83b11c1922aae114/FLAGd594148f6 [2022-12-13 15:40:03,054 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/data/c2591b8b7/aa6bf166ca7b43dc83b11c1922aae114 [2022-12-13 15:40:03,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:40:03,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:40:03,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:40:03,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:40:03,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:40:03,064 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:40:03" (1/1) ... [2022-12-13 15:40:03,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b1cb28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:40:03, skipping insertion in model container [2022-12-13 15:40:03,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:40:03" (1/1) ... [2022-12-13 15:40:03,072 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:40:03,186 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:40:03,939 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 15:40:03,947 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 15:40:03,957 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 15:40:03,969 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 15:40:04,050 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 15:40:04,051 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 15:40:04,052 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 15:40:04,052 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 15:40:04,059 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 15:40:04,059 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 15:40:04,060 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 15:40:04,061 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 15:40:04,260 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-12-13 15:40:04,271 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:04,273 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:40:04,273 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:40:04,274 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:40:04,274 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:40:04,275 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-13 15:40:04,276 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:40:04,279 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 15:40:04,280 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:04,283 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:04,288 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:04,290 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:40:04,291 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:40:04,293 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:40:04,293 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:40:04,296 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 15:40:04,297 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 15:40:04,303 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:40:04,305 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:04,306 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:40:04,308 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:40:04,309 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:40:04,309 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:40:04,316 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:40:04,318 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:04,319 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:40:04,319 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:40:04,320 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 15:40:04,321 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:40:04,323 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:04,326 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:04,330 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:04,334 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:04,335 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:40:04,336 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:04,337 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:40:04,340 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:04,341 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:40:04,343 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:04,344 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 15:40:04,345 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:40:04,346 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:40:04,346 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:40:04,350 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:04,350 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:04,351 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:04,353 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:04,354 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:04,354 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:04,364 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:04,365 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-13 15:40:04,366 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:04,367 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:40:04,368 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 15:40:04,369 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:04,369 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:40:04,371 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-13 15:40:04,372 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:40:04,373 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:40:04,373 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:40:04,495 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:40:04,503 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 15:40:04,504 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 15:40:04,507 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 15:40:04,845 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:40:04,986 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:40:05,305 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2022-12-13 15:40:05,309 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2022-12-13 15:40:05,309 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2022-12-13 15:40:05,310 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2022-12-13 15:40:05,310 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2022-12-13 15:40:05,310 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2022-12-13 15:40:05,311 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2022-12-13 15:40:05,311 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2022-12-13 15:40:05,311 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2022-12-13 15:40:05,312 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2022-12-13 15:40:05,312 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2022-12-13 15:40:05,313 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2022-12-13 15:40:05,313 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2022-12-13 15:40:05,313 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2022-12-13 15:40:05,314 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2022-12-13 15:40:05,314 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2022-12-13 15:40:05,315 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2022-12-13 15:40:05,315 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2022-12-13 15:40:05,315 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2022-12-13 15:40:05,316 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2022-12-13 15:40:05,316 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2022-12-13 15:40:05,317 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2022-12-13 15:40:05,317 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2022-12-13 15:40:05,317 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2022-12-13 15:40:05,318 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2022-12-13 15:40:05,318 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2022-12-13 15:40:05,319 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2022-12-13 15:40:05,319 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2022-12-13 15:40:05,319 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2022-12-13 15:40:05,320 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2022-12-13 15:40:05,320 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2022-12-13 15:40:05,321 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2022-12-13 15:40:05,321 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2022-12-13 15:40:05,322 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2022-12-13 15:40:05,322 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2022-12-13 15:40:05,322 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2022-12-13 15:40:05,323 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2022-12-13 15:40:05,323 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2022-12-13 15:40:05,323 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2022-12-13 15:40:05,324 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2022-12-13 15:40:05,324 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2022-12-13 15:40:05,325 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2022-12-13 15:40:05,325 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2022-12-13 15:40:05,325 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2022-12-13 15:40:05,325 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2022-12-13 15:40:05,326 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2022-12-13 15:40:05,326 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2022-12-13 15:40:05,326 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2022-12-13 15:40:05,327 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2022-12-13 15:40:05,327 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2022-12-13 15:40:05,327 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2022-12-13 15:40:05,328 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2022-12-13 15:40:05,328 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2022-12-13 15:40:05,328 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2022-12-13 15:40:05,329 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2022-12-13 15:40:05,329 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2022-12-13 15:40:05,329 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2022-12-13 15:40:05,330 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2022-12-13 15:40:05,330 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2022-12-13 15:40:05,330 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2022-12-13 15:40:05,331 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2022-12-13 15:40:05,331 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2022-12-13 15:40:05,331 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2022-12-13 15:40:05,332 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2022-12-13 15:40:05,332 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2022-12-13 15:40:05,332 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2022-12-13 15:40:05,333 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2022-12-13 15:40:05,333 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2022-12-13 15:40:05,333 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2022-12-13 15:40:05,334 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2022-12-13 15:40:05,334 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2022-12-13 15:40:05,335 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2022-12-13 15:40:05,335 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2022-12-13 15:40:05,335 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2022-12-13 15:40:05,336 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2022-12-13 15:40:05,336 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2022-12-13 15:40:05,336 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2022-12-13 15:40:05,337 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2022-12-13 15:40:05,337 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2022-12-13 15:40:05,337 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2022-12-13 15:40:05,338 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2022-12-13 15:40:05,338 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2022-12-13 15:40:05,338 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2022-12-13 15:40:05,339 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2022-12-13 15:40:05,339 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2022-12-13 15:40:05,339 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2022-12-13 15:40:05,340 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2022-12-13 15:40:05,340 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2022-12-13 15:40:05,345 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:40:05,372 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-12-13 15:40:05,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:40:05,469 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 15:40:05,469 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 15:40:05,470 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 15:40:05,470 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 15:40:05,472 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 15:40:05,472 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 15:40:05,473 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 15:40:05,473 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 15:40:05,474 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 15:40:05,474 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 15:40:05,474 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 15:40:05,474 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 15:40:05,486 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-12-13 15:40:05,488 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,488 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:40:05,488 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:40:05,489 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:40:05,489 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:40:05,489 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-13 15:40:05,490 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:40:05,490 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 15:40:05,491 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,492 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,493 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,494 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:40:05,495 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:40:05,495 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:40:05,495 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:40:05,496 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 15:40:05,496 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 15:40:05,498 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:40:05,499 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,500 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:40:05,500 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:40:05,501 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:40:05,501 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:40:05,503 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:40:05,504 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,505 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:40:05,505 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:40:05,505 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 15:40:05,505 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:40:05,506 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,507 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,509 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,510 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,510 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:40:05,511 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,511 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:40:05,513 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,513 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:40:05,514 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,514 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 15:40:05,514 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:40:05,515 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:40:05,515 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:40:05,516 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,517 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,517 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,518 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,518 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,518 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,519 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,519 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-13 15:40:05,519 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,520 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:40:05,520 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 15:40:05,520 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,520 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:40:05,521 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-13 15:40:05,522 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:40:05,522 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:40:05,522 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:40:05,530 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:40:05,533 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 15:40:05,533 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 15:40:05,534 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 15:40:05,545 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:40:05,552 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:40:05,575 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2022-12-13 15:40:05,575 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2022-12-13 15:40:05,576 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2022-12-13 15:40:05,576 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2022-12-13 15:40:05,576 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2022-12-13 15:40:05,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2022-12-13 15:40:05,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2022-12-13 15:40:05,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2022-12-13 15:40:05,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2022-12-13 15:40:05,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2022-12-13 15:40:05,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2022-12-13 15:40:05,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2022-12-13 15:40:05,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2022-12-13 15:40:05,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2022-12-13 15:40:05,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2022-12-13 15:40:05,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2022-12-13 15:40:05,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2022-12-13 15:40:05,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2022-12-13 15:40:05,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2022-12-13 15:40:05,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2022-12-13 15:40:05,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2022-12-13 15:40:05,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2022-12-13 15:40:05,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2022-12-13 15:40:05,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2022-12-13 15:40:05,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2022-12-13 15:40:05,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2022-12-13 15:40:05,582 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2022-12-13 15:40:05,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2022-12-13 15:40:05,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2022-12-13 15:40:05,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2022-12-13 15:40:05,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2022-12-13 15:40:05,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2022-12-13 15:40:05,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2022-12-13 15:40:05,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2022-12-13 15:40:05,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2022-12-13 15:40:05,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2022-12-13 15:40:05,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2022-12-13 15:40:05,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2022-12-13 15:40:05,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2022-12-13 15:40:05,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2022-12-13 15:40:05,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2022-12-13 15:40:05,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2022-12-13 15:40:05,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2022-12-13 15:40:05,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2022-12-13 15:40:05,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2022-12-13 15:40:05,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2022-12-13 15:40:05,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2022-12-13 15:40:05,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2022-12-13 15:40:05,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2022-12-13 15:40:05,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2022-12-13 15:40:05,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2022-12-13 15:40:05,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2022-12-13 15:40:05,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2022-12-13 15:40:05,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2022-12-13 15:40:05,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2022-12-13 15:40:05,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2022-12-13 15:40:05,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2022-12-13 15:40:05,593 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2022-12-13 15:40:05,593 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2022-12-13 15:40:05,593 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2022-12-13 15:40:05,594 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2022-12-13 15:40:05,594 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2022-12-13 15:40:05,594 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2022-12-13 15:40:05,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2022-12-13 15:40:05,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2022-12-13 15:40:05,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2022-12-13 15:40:05,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2022-12-13 15:40:05,595 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2022-12-13 15:40:05,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2022-12-13 15:40:05,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2022-12-13 15:40:05,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2022-12-13 15:40:05,596 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2022-12-13 15:40:05,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2022-12-13 15:40:05,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2022-12-13 15:40:05,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2022-12-13 15:40:05,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2022-12-13 15:40:05,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2022-12-13 15:40:05,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2022-12-13 15:40:05,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2022-12-13 15:40:05,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2022-12-13 15:40:05,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2022-12-13 15:40:05,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2022-12-13 15:40:05,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2022-12-13 15:40:05,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2022-12-13 15:40:05,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2022-12-13 15:40:05,601 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2022-12-13 15:40:05,601 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2022-12-13 15:40:05,601 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2022-12-13 15:40:05,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:40:05,614 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:40:05,686 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock [2022-12-13 15:40:05,687 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_lock_irq [2022-12-13 15:40:05,687 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock [2022-12-13 15:40:05,687 WARN L623 FunctionHandler]: Unknown extern function _raw_spin_unlock_irq [2022-12-13 15:40:05,689 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 15:40:05,689 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 15:40:05,689 WARN L623 FunctionHandler]: Unknown extern function _copy_from_user [2022-12-13 15:40:05,689 WARN L623 FunctionHandler]: Unknown extern function __copy_from_user_overflow [2022-12-13 15:40:05,690 WARN L623 FunctionHandler]: Unknown extern function might_fault [2022-12-13 15:40:05,690 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 15:40:05,691 WARN L623 FunctionHandler]: Unknown extern function _copy_to_user [2022-12-13 15:40:05,691 WARN L623 FunctionHandler]: Unknown extern function __copy_to_user_overflow [2022-12-13 15:40:05,699 WARN L623 FunctionHandler]: Unknown extern function kasprintf [2022-12-13 15:40:05,702 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,703 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:40:05,704 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:40:05,704 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:40:05,704 WARN L623 FunctionHandler]: Unknown extern function kfree [2022-12-13 15:40:05,705 WARN L623 FunctionHandler]: Unknown extern function usb_find_interface [2022-12-13 15:40:05,705 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:40:05,706 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 15:40:05,706 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,707 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,710 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,710 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:40:05,711 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:40:05,712 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:40:05,712 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:40:05,713 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 15:40:05,713 WARN L623 FunctionHandler]: Unknown extern function usb_kill_urb [2022-12-13 15:40:05,715 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:40:05,716 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,717 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:40:05,717 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:40:05,725 WARN L623 FunctionHandler]: Unknown extern function schedule_timeout [2022-12-13 15:40:05,725 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:40:05,727 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:40:05,728 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,729 WARN L623 FunctionHandler]: Unknown extern function __might_sleep [2022-12-13 15:40:05,729 WARN L623 FunctionHandler]: Unknown extern function prepare_to_wait_event [2022-12-13 15:40:05,730 WARN L623 FunctionHandler]: Unknown extern function schedule [2022-12-13 15:40:05,730 WARN L623 FunctionHandler]: Unknown extern function finish_wait [2022-12-13 15:40:05,731 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,733 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,735 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,736 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,737 WARN L623 FunctionHandler]: Unknown extern function printk [2022-12-13 15:40:05,738 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,738 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:40:05,748 WARN L623 FunctionHandler]: Unknown extern function __dynamic_dev_dbg [2022-12-13 15:40:05,748 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:40:05,750 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,750 WARN L623 FunctionHandler]: Unknown extern function __mutex_init [2022-12-13 15:40:05,751 WARN L623 FunctionHandler]: Unknown extern function __raw_spin_lock_init [2022-12-13 15:40:05,751 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:40:05,751 WARN L623 FunctionHandler]: Unknown extern function __init_waitqueue_head [2022-12-13 15:40:05,752 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,753 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,753 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,754 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,754 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,754 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,755 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,755 WARN L623 FunctionHandler]: Unknown extern function usb_register_dev [2022-12-13 15:40:05,755 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,756 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:40:05,756 WARN L623 FunctionHandler]: Unknown extern function usb_control_msg [2022-12-13 15:40:05,757 WARN L623 FunctionHandler]: Unknown extern function dev_err [2022-12-13 15:40:05,757 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:40:05,758 WARN L623 FunctionHandler]: Unknown extern function usb_deregister_dev [2022-12-13 15:40:05,759 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:40:05,759 WARN L623 FunctionHandler]: Unknown extern function __wake_up [2022-12-13 15:40:05,759 WARN L623 FunctionHandler]: Unknown extern function _dev_info [2022-12-13 15:40:05,769 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:40:05,772 WARN L623 FunctionHandler]: Unknown extern function usb_register_driver [2022-12-13 15:40:05,772 WARN L623 FunctionHandler]: Unknown extern function usb_deregister [2022-12-13 15:40:05,773 WARN L623 FunctionHandler]: Unknown extern function ldv_pre_probe [2022-12-13 15:40:05,784 WARN L623 FunctionHandler]: Unknown extern function ldv_after_alloc [2022-12-13 15:40:05,791 WARN L623 FunctionHandler]: Unknown extern function ldv_assert [2022-12-13 15:40:05,807 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273031,273044] [2022-12-13 15:40:05,807 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273176,273189] [2022-12-13 15:40:05,807 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273322,273335] [2022-12-13 15:40:05,807 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273487,273500] [2022-12-13 15:40:05,808 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273645,273658] [2022-12-13 15:40:05,808 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273803,273816] [2022-12-13 15:40:05,808 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[273961,273974] [2022-12-13 15:40:05,808 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274121,274134] [2022-12-13 15:40:05,808 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274280,274293] [2022-12-13 15:40:05,809 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274419,274432] [2022-12-13 15:40:05,809 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274561,274574] [2022-12-13 15:40:05,809 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274710,274723] [2022-12-13 15:40:05,809 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[274849,274862] [2022-12-13 15:40:05,810 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275004,275017] [2022-12-13 15:40:05,810 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275164,275177] [2022-12-13 15:40:05,817 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275315,275328] [2022-12-13 15:40:05,817 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275466,275479] [2022-12-13 15:40:05,818 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275618,275631] [2022-12-13 15:40:05,818 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275767,275780] [2022-12-13 15:40:05,818 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[275915,275928] [2022-12-13 15:40:05,819 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276072,276085] [2022-12-13 15:40:05,819 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276221,276234] [2022-12-13 15:40:05,819 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276377,276390] [2022-12-13 15:40:05,820 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276530,276543] [2022-12-13 15:40:05,820 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276676,276689] [2022-12-13 15:40:05,820 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276819,276832] [2022-12-13 15:40:05,820 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[276971,276984] [2022-12-13 15:40:05,821 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277117,277130] [2022-12-13 15:40:05,821 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277262,277275] [2022-12-13 15:40:05,821 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277416,277429] [2022-12-13 15:40:05,821 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277567,277580] [2022-12-13 15:40:05,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277722,277735] [2022-12-13 15:40:05,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[277874,277887] [2022-12-13 15:40:05,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278029,278042] [2022-12-13 15:40:05,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278193,278206] [2022-12-13 15:40:05,822 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278349,278362] [2022-12-13 15:40:05,823 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278513,278526] [2022-12-13 15:40:05,823 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278655,278668] [2022-12-13 15:40:05,823 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278813,278826] [2022-12-13 15:40:05,823 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[278980,278993] [2022-12-13 15:40:05,824 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279139,279152] [2022-12-13 15:40:05,831 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279298,279311] [2022-12-13 15:40:05,831 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279447,279460] [2022-12-13 15:40:05,831 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279594,279607] [2022-12-13 15:40:05,832 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279733,279746] [2022-12-13 15:40:05,832 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[279896,279909] [2022-12-13 15:40:05,832 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280062,280075] [2022-12-13 15:40:05,832 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280226,280239] [2022-12-13 15:40:05,833 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280391,280404] [2022-12-13 15:40:05,833 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280556,280569] [2022-12-13 15:40:05,833 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280722,280735] [2022-12-13 15:40:05,834 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[280887,280900] [2022-12-13 15:40:05,834 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281054,281067] [2022-12-13 15:40:05,834 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281214,281227] [2022-12-13 15:40:05,834 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281376,281389] [2022-12-13 15:40:05,835 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281535,281548] [2022-12-13 15:40:05,835 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281681,281694] [2022-12-13 15:40:05,835 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281824,281837] [2022-12-13 15:40:05,835 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[281968,281981] [2022-12-13 15:40:05,836 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282111,282124] [2022-12-13 15:40:05,836 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282255,282268] [2022-12-13 15:40:05,836 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282396,282409] [2022-12-13 15:40:05,837 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282534,282547] [2022-12-13 15:40:05,837 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282692,282705] [2022-12-13 15:40:05,837 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[282851,282864] [2022-12-13 15:40:05,837 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283007,283020] [2022-12-13 15:40:05,838 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283156,283169] [2022-12-13 15:40:05,838 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283308,283321] [2022-12-13 15:40:05,838 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283459,283472] [2022-12-13 15:40:05,839 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283608,283621] [2022-12-13 15:40:05,839 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283760,283773] [2022-12-13 15:40:05,839 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[283908,283921] [2022-12-13 15:40:05,840 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284061,284074] [2022-12-13 15:40:05,840 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284212,284225] [2022-12-13 15:40:05,840 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284362,284375] [2022-12-13 15:40:05,841 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284509,284522] [2022-12-13 15:40:05,841 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284660,284673] [2022-12-13 15:40:05,841 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284811,284824] [2022-12-13 15:40:05,841 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[284959,284972] [2022-12-13 15:40:05,842 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285125,285138] [2022-12-13 15:40:05,842 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285294,285307] [2022-12-13 15:40:05,842 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285461,285474] [2022-12-13 15:40:05,843 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285629,285642] [2022-12-13 15:40:05,843 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285779,285792] [2022-12-13 15:40:05,843 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[285926,285939] [2022-12-13 15:40:05,844 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286087,286100] [2022-12-13 15:40:05,844 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286257,286270] [2022-12-13 15:40:05,844 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i[286419,286432] [2022-12-13 15:40:05,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:40:05,951 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:40:05,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:40:05 WrapperNode [2022-12-13 15:40:05,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:40:05,952 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:40:05,952 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:40:05,952 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:40:05,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:40:05" (1/1) ... [2022-12-13 15:40:06,009 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:40:05" (1/1) ... [2022-12-13 15:40:06,097 INFO L138 Inliner]: procedures = 540, calls = 1327, calls flagged for inlining = 223, calls inlined = 134, statements flattened = 2291 [2022-12-13 15:40:06,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:40:06,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:40:06,098 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:40:06,098 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:40:06,107 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:40:05" (1/1) ... [2022-12-13 15:40:06,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:40:05" (1/1) ... [2022-12-13 15:40:06,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:40:05" (1/1) ... [2022-12-13 15:40:06,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:40:05" (1/1) ... [2022-12-13 15:40:06,167 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:40:05" (1/1) ... [2022-12-13 15:40:06,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:40:05" (1/1) ... [2022-12-13 15:40:06,187 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:40:05" (1/1) ... [2022-12-13 15:40:06,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:40:05" (1/1) ... [2022-12-13 15:40:06,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:40:06,209 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:40:06,209 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:40:06,210 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:40:06,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:40:05" (1/1) ... [2022-12-13 15:40:06,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:40:06,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:40:06,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:40:06,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:40:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-12-13 15:40:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-12-13 15:40:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-12-13 15:40:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-12-13 15:40:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-13 15:40:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-12-13 15:40:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-12-13 15:40:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-12-13 15:40:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 15:40:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-12-13 15:40:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-12-13 15:40:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-12-13 15:40:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-12-13 15:40:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-12-13 15:40:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2022-12-13 15:40:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_read_buffer_lock_of_lego_usb_tower [2022-12-13 15:40:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-12-13 15:40:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-12-13 15:40:06,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-12-13 15:40:06,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-12-13 15:40:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-12-13 15:40:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-12-13 15:40:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 15:40:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-12-13 15:40:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-12-13 15:40:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-12-13 15:40:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-12-13 15:40:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-12-13 15:40:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-12-13 15:40:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-12-13 15:40:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-12-13 15:40:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-12-13 15:40:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-12-13 15:40:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-12-13 15:40:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-12-13 15:40:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-12-13 15:40:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_112 [2022-12-13 15:40:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_112 [2022-12-13 15:40:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-13 15:40:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-12-13 15:40:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-12-13 15:40:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-12-13 15:40:06,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-12-13 15:40:06,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-12-13 15:40:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-12-13 15:40:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-12-13 15:40:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-12-13 15:40:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-12-13 15:40:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-12-13 15:40:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-12-13 15:40:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-12-13 15:40:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-12-13 15:40:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-12-13 15:40:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-12-13 15:40:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2022-12-13 15:40:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_open_disc_mutex [2022-12-13 15:40:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2022-12-13 15:40:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_lego_usb_tower [2022-12-13 15:40:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-13 15:40:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-12-13 15:40:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-13 15:40:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:40:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-12-13 15:40:06,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-12-13 15:40:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-12-13 15:40:06,272 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-12-13 15:40:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-12-13 15:40:06,280 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2022-12-13 15:40:06,280 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2022-12-13 15:40:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-12-13 15:40:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_irq_check_alloc_flags [2022-12-13 15:40:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-12-13 15:40:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-12-13 15:40:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-12-13 15:40:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-12-13 15:40:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2022-12-13 15:40:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_open_disc_mutex [2022-12-13 15:40:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-12-13 15:40:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-12-13 15:40:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-12-13 15:40:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-12-13 15:40:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:40:06,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:40:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-12-13 15:40:06,281 INFO L130 BoogieDeclarations]: Found specification of procedure usb_get_intfdata [2022-12-13 15:40:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_get_intfdata [2022-12-13 15:40:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure tower_disconnect [2022-12-13 15:40:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_disconnect [2022-12-13 15:40:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-12-13 15:40:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-12-13 15:40:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-12-13 15:40:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-12-13 15:40:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-12-13 15:40:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 15:40:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-12-13 15:40:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_maxp [2022-12-13 15:40:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_maxp [2022-12-13 15:40:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-12-13 15:40:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-12-13 15:40:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_free_urb [2022-12-13 15:40:06,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_free_urb [2022-12-13 15:40:06,282 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2022-12-13 15:40:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2022-12-13 15:40:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-12-13 15:40:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-12-13 15:40:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2022-12-13 15:40:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_lego_usb_tower [2022-12-13 15:40:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 15:40:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-12-13 15:40:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-12-13 15:40:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-13 15:40:06,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-12-13 15:40:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-12-13 15:40:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-12-13 15:40:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-12-13 15:40:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-12-13 15:40:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-13 15:40:06,283 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-12-13 15:40:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-12-13 15:40:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-13 15:40:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-12-13 15:40:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_intfdata [2022-12-13 15:40:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_intfdata [2022-12-13 15:40:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-12-13 15:40:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-12-13 15:40:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2022-12-13 15:40:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_lock_of_lego_usb_tower [2022-12-13 15:40:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-12-13 15:40:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_alloc_usb_lock_check_alloc_flags [2022-12-13 15:40:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-12-13 15:40:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_usb_alloc_urb [2022-12-13 15:40:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-13 15:40:06,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-12-13 15:40:06,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-13 15:40:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-12-13 15:40:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-12-13 15:40:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-12-13 15:40:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-12-13 15:40:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-12-13 15:40:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-12-13 15:40:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-12-13 15:40:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-13 15:40:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-12-13 15:40:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure usb_fill_int_urb [2022-12-13 15:40:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_fill_int_urb [2022-12-13 15:40:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2022-12-13 15:40:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_read_buffer_lock_of_lego_usb_tower [2022-12-13 15:40:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-12-13 15:40:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-12-13 15:40:06,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-13 15:40:06,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-12-13 15:40:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure tower_delete [2022-12-13 15:40:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_delete [2022-12-13 15:40:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-13 15:40:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-12-13 15:40:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-12-13 15:40:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-12-13 15:40:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-12-13 15:40:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-12-13 15:40:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-12-13 15:40:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-13 15:40:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-12-13 15:40:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-12-13 15:40:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-12-13 15:40:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-12-13 15:40:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-12-13 15:40:06,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-13 15:40:06,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-12-13 15:40:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure tower_check_for_read_packet [2022-12-13 15:40:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_check_for_read_packet [2022-12-13 15:40:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure tower_abort_transfers [2022-12-13 15:40:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure tower_abort_transfers [2022-12-13 15:40:06,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_111 [2022-12-13 15:40:06,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_111 [2022-12-13 15:40:06,671 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:40:06,673 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:40:06,823 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-12-13 15:40:20,154 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:40:20,165 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:40:20,165 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 15:40:20,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:40:20 BoogieIcfgContainer [2022-12-13 15:40:20,169 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:40:20,171 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:40:20,171 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:40:20,174 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:40:20,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:40:03" (1/3) ... [2022-12-13 15:40:20,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31117982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:40:20, skipping insertion in model container [2022-12-13 15:40:20,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:40:05" (2/3) ... [2022-12-13 15:40:20,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31117982 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:40:20, skipping insertion in model container [2022-12-13 15:40:20,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:40:20" (3/3) ... [2022-12-13 15:40:20,176 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--misc--legousbtower.ko.cil.i [2022-12-13 15:40:20,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:40:20,192 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-12-13 15:40:20,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:40:20,268 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=PETRI_NET, 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;@602327c4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:40:20,268 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-12-13 15:40:20,274 INFO L276 IsEmpty]: Start isEmpty. Operand has 980 states, 634 states have (on average 1.279179810725552) internal successors, (811), 679 states have internal predecessors, (811), 240 states have call successors, (240), 76 states have call predecessors, (240), 75 states have return successors, (235), 232 states have call predecessors, (235), 235 states have call successors, (235) [2022-12-13 15:40:20,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-12-13 15:40:20,281 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:20,281 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:20,282 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 28 more)] === [2022-12-13 15:40:20,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:20,286 INFO L85 PathProgramCache]: Analyzing trace with hash -382804630, now seen corresponding path program 1 times [2022-12-13 15:40:20,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:20,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1119309322] [2022-12-13 15:40:20,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:20,296 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:20,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:20,297 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:20,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 15:40:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:20,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 816 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:40:20,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:40:21,474 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:40:21,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:40:21,475 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:40:21,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1119309322] [2022-12-13 15:40:21,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1119309322] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:21,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:21,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:40:21,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894647466] [2022-12-13 15:40:21,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:21,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:40:21,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:40:21,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:40:21,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:40:21,511 INFO L87 Difference]: Start difference. First operand has 980 states, 634 states have (on average 1.279179810725552) internal successors, (811), 679 states have internal predecessors, (811), 240 states have call successors, (240), 76 states have call predecessors, (240), 75 states have return successors, (235), 232 states have call predecessors, (235), 235 states have call successors, (235) Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-13 15:40:21,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:21,708 INFO L93 Difference]: Finished difference Result 1911 states and 2602 transitions. [2022-12-13 15:40:21,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:40:21,710 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 71 [2022-12-13 15:40:21,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:21,726 INFO L225 Difference]: With dead ends: 1911 [2022-12-13 15:40:21,726 INFO L226 Difference]: Without dead ends: 962 [2022-12-13 15:40:21,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:40:21,737 INFO L413 NwaCegarLoop]: 1249 mSDtfsCounter, 1197 mSDsluCounter, 1247 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1199 SdHoareTripleChecker+Valid, 2496 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:21,737 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1199 Valid, 2496 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:40:21,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2022-12-13 15:40:21,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 962. [2022-12-13 15:40:21,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 962 states, 624 states have (on average 1.2259615384615385) internal successors, (765), 664 states have internal predecessors, (765), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:40:21,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 962 states and 1233 transitions. [2022-12-13 15:40:21,848 INFO L78 Accepts]: Start accepts. Automaton has 962 states and 1233 transitions. Word has length 71 [2022-12-13 15:40:21,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:21,849 INFO L495 AbstractCegarLoop]: Abstraction has 962 states and 1233 transitions. [2022-12-13 15:40:21,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-12-13 15:40:21,849 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1233 transitions. [2022-12-13 15:40:21,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-13 15:40:21,851 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:21,851 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:21,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:40:22,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:22,052 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 28 more)] === [2022-12-13 15:40:22,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:22,053 INFO L85 PathProgramCache]: Analyzing trace with hash 319111572, now seen corresponding path program 1 times [2022-12-13 15:40:22,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:22,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070812103] [2022-12-13 15:40:22,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:22,054 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:22,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:22,055 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:22,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 15:40:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:22,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:40:22,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:40:23,185 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:40:23,185 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:40:23,185 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:40:23,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1070812103] [2022-12-13 15:40:23,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1070812103] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:23,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:23,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:40:23,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714731350] [2022-12-13 15:40:23,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:23,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:40:23,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:40:23,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:40:23,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:40:23,188 INFO L87 Difference]: Start difference. First operand 962 states and 1233 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-13 15:40:23,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:23,287 INFO L93 Difference]: Finished difference Result 962 states and 1233 transitions. [2022-12-13 15:40:23,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:40:23,287 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 77 [2022-12-13 15:40:23,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:23,294 INFO L225 Difference]: With dead ends: 962 [2022-12-13 15:40:23,294 INFO L226 Difference]: Without dead ends: 960 [2022-12-13 15:40:23,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:40:23,295 INFO L413 NwaCegarLoop]: 1229 mSDtfsCounter, 1171 mSDsluCounter, 1227 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1173 SdHoareTripleChecker+Valid, 2456 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:23,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1173 Valid, 2456 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:40:23,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 960 states. [2022-12-13 15:40:23,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 960 to 960. [2022-12-13 15:40:23,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 960 states, 623 states have (on average 1.2247191011235956) internal successors, (763), 662 states have internal predecessors, (763), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:40:23,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1231 transitions. [2022-12-13 15:40:23,360 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1231 transitions. Word has length 77 [2022-12-13 15:40:23,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:23,361 INFO L495 AbstractCegarLoop]: Abstraction has 960 states and 1231 transitions. [2022-12-13 15:40:23,361 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-12-13 15:40:23,361 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1231 transitions. [2022-12-13 15:40:23,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-12-13 15:40:23,363 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:23,363 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:23,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-12-13 15:40:23,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:23,565 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 28 more)] === [2022-12-13 15:40:23,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:23,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1133977021, now seen corresponding path program 1 times [2022-12-13 15:40:23,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:23,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [639393976] [2022-12-13 15:40:23,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:23,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:23,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:23,572 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:23,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-12-13 15:40:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:24,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:40:24,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:40:24,862 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:40:24,862 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:40:24,863 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:40:24,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [639393976] [2022-12-13 15:40:24,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [639393976] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:24,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:24,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:40:24,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344682504] [2022-12-13 15:40:24,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:24,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:40:24,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:40:24,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:40:24,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:40:24,865 INFO L87 Difference]: Start difference. First operand 960 states and 1231 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-12-13 15:40:24,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:24,962 INFO L93 Difference]: Finished difference Result 960 states and 1231 transitions. [2022-12-13 15:40:24,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:40:24,963 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 83 [2022-12-13 15:40:24,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:24,966 INFO L225 Difference]: With dead ends: 960 [2022-12-13 15:40:24,966 INFO L226 Difference]: Without dead ends: 958 [2022-12-13 15:40:24,966 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:40:24,967 INFO L413 NwaCegarLoop]: 1227 mSDtfsCounter, 1163 mSDsluCounter, 1225 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1165 SdHoareTripleChecker+Valid, 2452 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:24,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1165 Valid, 2452 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:40:24,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2022-12-13 15:40:25,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 958. [2022-12-13 15:40:25,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 622 states have (on average 1.2234726688102895) internal successors, (761), 660 states have internal predecessors, (761), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:40:25,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1229 transitions. [2022-12-13 15:40:25,015 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1229 transitions. Word has length 83 [2022-12-13 15:40:25,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:25,016 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1229 transitions. [2022-12-13 15:40:25,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-12-13 15:40:25,016 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1229 transitions. [2022-12-13 15:40:25,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-12-13 15:40:25,018 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:25,018 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:25,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-12-13 15:40:25,218 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:25,219 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 28 more)] === [2022-12-13 15:40:25,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:25,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1743283079, now seen corresponding path program 1 times [2022-12-13 15:40:25,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:25,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1799727295] [2022-12-13 15:40:25,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:25,220 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:25,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:25,221 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:25,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-12-13 15:40:25,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:25,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 843 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:40:25,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:40:26,306 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:40:26,306 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:40:26,307 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:40:26,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1799727295] [2022-12-13 15:40:26,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1799727295] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:26,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:26,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:40:26,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283296374] [2022-12-13 15:40:26,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:26,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:40:26,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:40:26,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:40:26,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:40:26,308 INFO L87 Difference]: Start difference. First operand 958 states and 1229 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-13 15:40:26,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:26,392 INFO L93 Difference]: Finished difference Result 958 states and 1229 transitions. [2022-12-13 15:40:26,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:40:26,393 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 89 [2022-12-13 15:40:26,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:26,396 INFO L225 Difference]: With dead ends: 958 [2022-12-13 15:40:26,396 INFO L226 Difference]: Without dead ends: 956 [2022-12-13 15:40:26,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:40:26,397 INFO L413 NwaCegarLoop]: 1225 mSDtfsCounter, 1155 mSDsluCounter, 1223 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1157 SdHoareTripleChecker+Valid, 2448 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:26,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1157 Valid, 2448 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:40:26,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 956 states. [2022-12-13 15:40:26,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 956 to 956. [2022-12-13 15:40:26,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 621 states have (on average 1.2222222222222223) internal successors, (759), 658 states have internal predecessors, (759), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:40:26,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1227 transitions. [2022-12-13 15:40:26,443 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1227 transitions. Word has length 89 [2022-12-13 15:40:26,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:26,443 INFO L495 AbstractCegarLoop]: Abstraction has 956 states and 1227 transitions. [2022-12-13 15:40:26,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-12-13 15:40:26,443 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1227 transitions. [2022-12-13 15:40:26,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-13 15:40:26,444 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:26,444 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:26,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-12-13 15:40:26,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:26,645 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 28 more)] === [2022-12-13 15:40:26,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:26,646 INFO L85 PathProgramCache]: Analyzing trace with hash 749594206, now seen corresponding path program 1 times [2022-12-13 15:40:26,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:26,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1299237594] [2022-12-13 15:40:26,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:26,646 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:26,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:26,647 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:26,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-13 15:40:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:27,124 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:40:27,128 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:40:27,800 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:40:27,800 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:40:27,800 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:40:27,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1299237594] [2022-12-13 15:40:27,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1299237594] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:27,801 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:27,801 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:40:27,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085134937] [2022-12-13 15:40:27,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:27,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:40:27,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:40:27,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:40:27,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:40:27,803 INFO L87 Difference]: Start difference. First operand 956 states and 1227 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 15:40:27,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:27,896 INFO L93 Difference]: Finished difference Result 956 states and 1227 transitions. [2022-12-13 15:40:27,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:40:27,896 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 95 [2022-12-13 15:40:27,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:27,900 INFO L225 Difference]: With dead ends: 956 [2022-12-13 15:40:27,900 INFO L226 Difference]: Without dead ends: 954 [2022-12-13 15:40:27,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:40:27,902 INFO L413 NwaCegarLoop]: 1223 mSDtfsCounter, 1147 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1149 SdHoareTripleChecker+Valid, 2444 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:27,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1149 Valid, 2444 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:40:27,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2022-12-13 15:40:27,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 954. [2022-12-13 15:40:27,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 954 states, 620 states have (on average 1.2209677419354839) internal successors, (757), 656 states have internal predecessors, (757), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:40:27,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 954 states and 1225 transitions. [2022-12-13 15:40:27,976 INFO L78 Accepts]: Start accepts. Automaton has 954 states and 1225 transitions. Word has length 95 [2022-12-13 15:40:27,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:27,977 INFO L495 AbstractCegarLoop]: Abstraction has 954 states and 1225 transitions. [2022-12-13 15:40:27,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-12-13 15:40:27,977 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1225 transitions. [2022-12-13 15:40:27,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-12-13 15:40:27,979 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:27,979 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:28,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-12-13 15:40:28,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:28,180 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 28 more)] === [2022-12-13 15:40:28,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:28,180 INFO L85 PathProgramCache]: Analyzing trace with hash 1106905275, now seen corresponding path program 1 times [2022-12-13 15:40:28,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:28,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2138366517] [2022-12-13 15:40:28,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:28,181 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:28,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:28,182 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:28,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-12-13 15:40:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:28,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 861 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:40:28,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:40:29,378 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:40:29,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:40:29,378 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:40:29,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2138366517] [2022-12-13 15:40:29,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2138366517] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:29,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:29,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:40:29,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391220483] [2022-12-13 15:40:29,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:29,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:40:29,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:40:29,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:40:29,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:40:29,380 INFO L87 Difference]: Start difference. First operand 954 states and 1225 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-12-13 15:40:29,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:29,481 INFO L93 Difference]: Finished difference Result 954 states and 1225 transitions. [2022-12-13 15:40:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:40:29,482 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 101 [2022-12-13 15:40:29,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:29,487 INFO L225 Difference]: With dead ends: 954 [2022-12-13 15:40:29,487 INFO L226 Difference]: Without dead ends: 952 [2022-12-13 15:40:29,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:40:29,488 INFO L413 NwaCegarLoop]: 1221 mSDtfsCounter, 1139 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1141 SdHoareTripleChecker+Valid, 2440 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:29,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1141 Valid, 2440 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:40:29,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2022-12-13 15:40:29,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 952. [2022-12-13 15:40:29,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 619 states have (on average 1.2197092084006462) internal successors, (755), 654 states have internal predecessors, (755), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:40:29,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1223 transitions. [2022-12-13 15:40:29,542 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1223 transitions. Word has length 101 [2022-12-13 15:40:29,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:29,543 INFO L495 AbstractCegarLoop]: Abstraction has 952 states and 1223 transitions. [2022-12-13 15:40:29,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-12-13 15:40:29,543 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1223 transitions. [2022-12-13 15:40:29,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-13 15:40:29,544 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:29,544 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:29,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-12-13 15:40:29,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:29,746 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 28 more)] === [2022-12-13 15:40:29,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:29,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1762765794, now seen corresponding path program 1 times [2022-12-13 15:40:29,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:29,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1473625807] [2022-12-13 15:40:29,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:29,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:29,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:29,754 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:29,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-13 15:40:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:30,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:40:30,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:40:31,251 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:40:31,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:40:31,251 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:40:31,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1473625807] [2022-12-13 15:40:31,251 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1473625807] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:31,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:31,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:40:31,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046346975] [2022-12-13 15:40:31,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:31,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:40:31,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:40:31,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:40:31,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:40:31,253 INFO L87 Difference]: Start difference. First operand 952 states and 1223 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-13 15:40:31,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:31,353 INFO L93 Difference]: Finished difference Result 952 states and 1223 transitions. [2022-12-13 15:40:31,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:40:31,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 107 [2022-12-13 15:40:31,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:31,358 INFO L225 Difference]: With dead ends: 952 [2022-12-13 15:40:31,358 INFO L226 Difference]: Without dead ends: 950 [2022-12-13 15:40:31,359 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:40:31,359 INFO L413 NwaCegarLoop]: 1219 mSDtfsCounter, 1131 mSDsluCounter, 1217 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1133 SdHoareTripleChecker+Valid, 2436 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:31,359 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1133 Valid, 2436 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:40:31,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2022-12-13 15:40:31,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 950. [2022-12-13 15:40:31,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 618 states have (on average 1.2184466019417475) internal successors, (753), 652 states have internal predecessors, (753), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:40:31,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1221 transitions. [2022-12-13 15:40:31,416 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1221 transitions. Word has length 107 [2022-12-13 15:40:31,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:31,416 INFO L495 AbstractCegarLoop]: Abstraction has 950 states and 1221 transitions. [2022-12-13 15:40:31,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-12-13 15:40:31,417 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1221 transitions. [2022-12-13 15:40:31,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-13 15:40:31,417 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:31,418 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:31,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-13 15:40:31,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:31,620 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 28 more)] === [2022-12-13 15:40:31,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:31,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1011291645, now seen corresponding path program 1 times [2022-12-13 15:40:31,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:31,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1339810506] [2022-12-13 15:40:31,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:31,625 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:31,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:31,628 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:31,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-12-13 15:40:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:32,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 879 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:40:32,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:40:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:40:33,248 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:40:33,248 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:40:33,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1339810506] [2022-12-13 15:40:33,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1339810506] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:33,248 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:33,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:40:33,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069441006] [2022-12-13 15:40:33,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:33,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:40:33,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:40:33,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:40:33,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:40:33,250 INFO L87 Difference]: Start difference. First operand 950 states and 1221 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 15:40:33,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:33,357 INFO L93 Difference]: Finished difference Result 950 states and 1221 transitions. [2022-12-13 15:40:33,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:40:33,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 113 [2022-12-13 15:40:33,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:33,361 INFO L225 Difference]: With dead ends: 950 [2022-12-13 15:40:33,361 INFO L226 Difference]: Without dead ends: 948 [2022-12-13 15:40:33,362 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:40:33,362 INFO L413 NwaCegarLoop]: 1217 mSDtfsCounter, 1127 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1129 SdHoareTripleChecker+Valid, 2428 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:33,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1129 Valid, 2428 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:40:33,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2022-12-13 15:40:33,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 948. [2022-12-13 15:40:33,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 617 states have (on average 1.2171799027552674) internal successors, (751), 650 states have internal predecessors, (751), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:40:33,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1219 transitions. [2022-12-13 15:40:33,427 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1219 transitions. Word has length 113 [2022-12-13 15:40:33,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:33,428 INFO L495 AbstractCegarLoop]: Abstraction has 948 states and 1219 transitions. [2022-12-13 15:40:33,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 3 states have internal predecessors, (65), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 15:40:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1219 transitions. [2022-12-13 15:40:33,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-12-13 15:40:33,429 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:33,429 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:33,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-12-13 15:40:33,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:33,630 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 28 more)] === [2022-12-13 15:40:33,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:33,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1188793504, now seen corresponding path program 1 times [2022-12-13 15:40:33,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:33,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1167465501] [2022-12-13 15:40:33,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:33,631 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:33,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:33,632 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:33,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-12-13 15:40:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:34,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:40:34,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:40:34,999 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:40:34,999 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:40:34,999 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:40:34,999 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1167465501] [2022-12-13 15:40:34,999 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1167465501] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:34,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:34,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:40:35,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038794375] [2022-12-13 15:40:35,000 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:35,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:40:35,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:40:35,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:40:35,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:40:35,001 INFO L87 Difference]: Start difference. First operand 948 states and 1219 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 15:40:35,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:35,112 INFO L93 Difference]: Finished difference Result 948 states and 1219 transitions. [2022-12-13 15:40:35,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:40:35,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 115 [2022-12-13 15:40:35,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:35,115 INFO L225 Difference]: With dead ends: 948 [2022-12-13 15:40:35,116 INFO L226 Difference]: Without dead ends: 946 [2022-12-13 15:40:35,116 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:40:35,116 INFO L413 NwaCegarLoop]: 1215 mSDtfsCounter, 1119 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1121 SdHoareTripleChecker+Valid, 2428 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:35,117 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1121 Valid, 2428 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:40:35,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2022-12-13 15:40:35,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 946. [2022-12-13 15:40:35,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 616 states have (on average 1.2159090909090908) internal successors, (749), 648 states have internal predecessors, (749), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:40:35,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1217 transitions. [2022-12-13 15:40:35,193 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1217 transitions. Word has length 115 [2022-12-13 15:40:35,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:35,194 INFO L495 AbstractCegarLoop]: Abstraction has 946 states and 1217 transitions. [2022-12-13 15:40:35,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 15:40:35,194 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1217 transitions. [2022-12-13 15:40:35,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-13 15:40:35,196 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:35,196 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:35,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-12-13 15:40:35,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:35,398 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 28 more)] === [2022-12-13 15:40:35,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:35,399 INFO L85 PathProgramCache]: Analyzing trace with hash 710045255, now seen corresponding path program 1 times [2022-12-13 15:40:35,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:35,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1589612434] [2022-12-13 15:40:35,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:35,402 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:35,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:35,405 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:35,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-12-13 15:40:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:35,980 INFO L263 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:40:35,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:40:36,855 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:40:36,855 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:40:36,855 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:40:36,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1589612434] [2022-12-13 15:40:36,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1589612434] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:36,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:36,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:40:36,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551621359] [2022-12-13 15:40:36,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:36,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:40:36,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:40:36,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:40:36,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:40:36,858 INFO L87 Difference]: Start difference. First operand 946 states and 1217 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-13 15:40:36,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:36,980 INFO L93 Difference]: Finished difference Result 946 states and 1217 transitions. [2022-12-13 15:40:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:40:36,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 121 [2022-12-13 15:40:36,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:36,984 INFO L225 Difference]: With dead ends: 946 [2022-12-13 15:40:36,984 INFO L226 Difference]: Without dead ends: 944 [2022-12-13 15:40:36,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:40:36,985 INFO L413 NwaCegarLoop]: 1213 mSDtfsCounter, 1111 mSDsluCounter, 1211 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1113 SdHoareTripleChecker+Valid, 2424 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:36,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1113 Valid, 2424 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:40:36,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2022-12-13 15:40:37,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 944. [2022-12-13 15:40:37,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 615 states have (on average 1.2146341463414634) internal successors, (747), 646 states have internal predecessors, (747), 235 states have call successors, (235), 75 states have call predecessors, (235), 74 states have return successors, (233), 230 states have call predecessors, (233), 233 states have call successors, (233) [2022-12-13 15:40:37,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1215 transitions. [2022-12-13 15:40:37,075 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1215 transitions. Word has length 121 [2022-12-13 15:40:37,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:37,075 INFO L495 AbstractCegarLoop]: Abstraction has 944 states and 1215 transitions. [2022-12-13 15:40:37,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-13 15:40:37,076 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1215 transitions. [2022-12-13 15:40:37,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-12-13 15:40:37,078 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:37,078 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 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] [2022-12-13 15:40:37,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-12-13 15:40:37,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:37,279 INFO L420 AbstractCegarLoop]: === Iteration 11 === 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 28 more)] === [2022-12-13 15:40:37,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:37,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1241663044, now seen corresponding path program 1 times [2022-12-13 15:40:37,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:37,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1461297952] [2022-12-13 15:40:37,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:37,280 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:37,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:37,281 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:37,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-12-13 15:40:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:37,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 1170 conjuncts, 6 conjunts are in the unsatisfiable core [2022-12-13 15:40:37,972 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:40:38,148 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 294 trivial. 0 not checked. [2022-12-13 15:40:38,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:40:38,149 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:40:38,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1461297952] [2022-12-13 15:40:38,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1461297952] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:38,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:38,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:40:38,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787079567] [2022-12-13 15:40:38,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:38,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:40:38,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:40:38,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:40:38,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:40:38,151 INFO L87 Difference]: Start difference. First operand 944 states and 1215 transitions. Second operand has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 15:40:39,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:39,417 INFO L93 Difference]: Finished difference Result 2239 states and 2979 transitions. [2022-12-13 15:40:39,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:40:39,418 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 164 [2022-12-13 15:40:39,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:39,422 INFO L225 Difference]: With dead ends: 2239 [2022-12-13 15:40:39,423 INFO L226 Difference]: Without dead ends: 1310 [2022-12-13 15:40:39,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:40:39,425 INFO L413 NwaCegarLoop]: 1329 mSDtfsCounter, 584 mSDsluCounter, 4992 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 274 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 584 SdHoareTripleChecker+Valid, 6321 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 274 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:39,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [584 Valid, 6321 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [274 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-13 15:40:39,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1310 states. [2022-12-13 15:40:39,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1310 to 948. [2022-12-13 15:40:39,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 618 states have (on average 1.2135922330097086) internal successors, (750), 649 states have internal predecessors, (750), 236 states have call successors, (236), 75 states have call predecessors, (236), 74 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2022-12-13 15:40:39,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1220 transitions. [2022-12-13 15:40:39,565 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1220 transitions. Word has length 164 [2022-12-13 15:40:39,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:39,566 INFO L495 AbstractCegarLoop]: Abstraction has 948 states and 1220 transitions. [2022-12-13 15:40:39,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 3 states have call successors, (18), 2 states have call predecessors, (18), 3 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-12-13 15:40:39,566 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1220 transitions. [2022-12-13 15:40:39,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-12-13 15:40:39,567 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:39,568 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 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] [2022-12-13 15:40:39,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-12-13 15:40:39,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:39,768 INFO L420 AbstractCegarLoop]: === Iteration 12 === 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 28 more)] === [2022-12-13 15:40:39,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:39,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1627525446, now seen corresponding path program 1 times [2022-12-13 15:40:39,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:39,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67904450] [2022-12-13 15:40:39,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:39,770 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:39,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:39,770 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:39,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-12-13 15:40:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:40,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-13 15:40:40,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:40:41,594 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-12-13 15:40:41,594 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:40:41,595 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:40:41,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67904450] [2022-12-13 15:40:41,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67904450] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:41,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:41,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 15:40:41,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129276780] [2022-12-13 15:40:41,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:41,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 15:40:41,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:40:41,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 15:40:41,596 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 15:40:41,596 INFO L87 Difference]: Start difference. First operand 948 states and 1220 transitions. Second operand has 12 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 4 states have call successors, (21), 2 states have call predecessors, (21), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18) [2022-12-13 15:40:44,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:44,407 INFO L93 Difference]: Finished difference Result 2231 states and 2965 transitions. [2022-12-13 15:40:44,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 15:40:44,408 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 4 states have call successors, (21), 2 states have call predecessors, (21), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18) Word has length 164 [2022-12-13 15:40:44,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:44,411 INFO L225 Difference]: With dead ends: 2231 [2022-12-13 15:40:44,412 INFO L226 Difference]: Without dead ends: 1308 [2022-12-13 15:40:44,413 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-12-13 15:40:44,413 INFO L413 NwaCegarLoop]: 1740 mSDtfsCounter, 418 mSDsluCounter, 16696 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 598 SdHoareTripleChecker+Valid, 18436 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:44,414 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [598 Valid, 18436 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-13 15:40:44,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2022-12-13 15:40:44,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 948. [2022-12-13 15:40:44,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 618 states have (on average 1.2119741100323624) internal successors, (749), 648 states have internal predecessors, (749), 236 states have call successors, (236), 75 states have call predecessors, (236), 74 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2022-12-13 15:40:44,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1219 transitions. [2022-12-13 15:40:44,531 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1219 transitions. Word has length 164 [2022-12-13 15:40:44,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:44,532 INFO L495 AbstractCegarLoop]: Abstraction has 948 states and 1219 transitions. [2022-12-13 15:40:44,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.0) internal successors, (60), 9 states have internal predecessors, (60), 4 states have call successors, (21), 2 states have call predecessors, (21), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18) [2022-12-13 15:40:44,532 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1219 transitions. [2022-12-13 15:40:44,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-12-13 15:40:44,534 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:44,534 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 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] [2022-12-13 15:40:44,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-12-13 15:40:44,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:44,735 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 28 more)] === [2022-12-13 15:40:44,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:44,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1022810775, now seen corresponding path program 1 times [2022-12-13 15:40:44,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:44,736 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [561214100] [2022-12-13 15:40:44,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:44,736 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:44,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:44,737 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:44,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-12-13 15:40:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:45,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 1181 conjuncts, 29 conjunts are in the unsatisfiable core [2022-12-13 15:40:45,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:40:46,684 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-12-13 15:40:46,684 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:40:46,685 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:40:46,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [561214100] [2022-12-13 15:40:46,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [561214100] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:46,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:46,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-13 15:40:46,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410053787] [2022-12-13 15:40:46,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:46,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-13 15:40:46,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:40:46,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-13 15:40:46,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-12-13 15:40:46,686 INFO L87 Difference]: Start difference. First operand 948 states and 1219 transitions. Second operand has 12 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-13 15:40:49,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:49,670 INFO L93 Difference]: Finished difference Result 2226 states and 2956 transitions. [2022-12-13 15:40:49,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-13 15:40:49,672 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) Word has length 168 [2022-12-13 15:40:49,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:49,675 INFO L225 Difference]: With dead ends: 2226 [2022-12-13 15:40:49,675 INFO L226 Difference]: Without dead ends: 1308 [2022-12-13 15:40:49,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-12-13 15:40:49,677 INFO L413 NwaCegarLoop]: 1739 mSDtfsCounter, 414 mSDsluCounter, 16692 mSDsCounter, 0 mSdLazyCounter, 468 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 592 SdHoareTripleChecker+Valid, 18431 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 468 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:49,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [592 Valid, 18431 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 468 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-12-13 15:40:49,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2022-12-13 15:40:49,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 948. [2022-12-13 15:40:49,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 618 states have (on average 1.2103559870550162) internal successors, (748), 647 states have internal predecessors, (748), 236 states have call successors, (236), 75 states have call predecessors, (236), 74 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2022-12-13 15:40:49,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1218 transitions. [2022-12-13 15:40:49,795 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1218 transitions. Word has length 168 [2022-12-13 15:40:49,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:49,795 INFO L495 AbstractCegarLoop]: Abstraction has 948 states and 1218 transitions. [2022-12-13 15:40:49,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 6.8) internal successors, (68), 9 states have internal predecessors, (68), 4 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (22), 6 states have call predecessors, (22), 4 states have call successors, (22) [2022-12-13 15:40:49,796 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1218 transitions. [2022-12-13 15:40:49,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-12-13 15:40:49,796 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:49,797 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:49,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-12-13 15:40:49,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:49,998 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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 28 more)] === [2022-12-13 15:40:49,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:49,999 INFO L85 PathProgramCache]: Analyzing trace with hash -278886193, now seen corresponding path program 1 times [2022-12-13 15:40:50,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:50,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [346223771] [2022-12-13 15:40:50,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:50,005 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:50,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:50,007 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:50,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-12-13 15:40:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:50,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:40:50,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:40:51,806 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:40:51,807 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:40:51,807 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:40:51,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [346223771] [2022-12-13 15:40:51,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [346223771] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:51,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:51,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:40:51,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494470075] [2022-12-13 15:40:51,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:51,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:40:51,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:40:51,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:40:51,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:40:51,808 INFO L87 Difference]: Start difference. First operand 948 states and 1218 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-12-13 15:40:52,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:52,012 INFO L93 Difference]: Finished difference Result 948 states and 1218 transitions. [2022-12-13 15:40:52,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:40:52,012 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 127 [2022-12-13 15:40:52,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:52,015 INFO L225 Difference]: With dead ends: 948 [2022-12-13 15:40:52,015 INFO L226 Difference]: Without dead ends: 946 [2022-12-13 15:40:52,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:40:52,016 INFO L413 NwaCegarLoop]: 1209 mSDtfsCounter, 1101 mSDsluCounter, 1207 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1103 SdHoareTripleChecker+Valid, 2416 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:52,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1103 Valid, 2416 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:40:52,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2022-12-13 15:40:52,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 946. [2022-12-13 15:40:52,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 617 states have (on average 1.2090761750405186) internal successors, (746), 645 states have internal predecessors, (746), 236 states have call successors, (236), 75 states have call predecessors, (236), 74 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2022-12-13 15:40:52,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1216 transitions. [2022-12-13 15:40:52,135 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1216 transitions. Word has length 127 [2022-12-13 15:40:52,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:52,135 INFO L495 AbstractCegarLoop]: Abstraction has 946 states and 1216 transitions. [2022-12-13 15:40:52,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-12-13 15:40:52,136 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1216 transitions. [2022-12-13 15:40:52,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 15:40:52,137 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:52,137 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:52,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-12-13 15:40:52,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:52,338 INFO L420 AbstractCegarLoop]: === Iteration 15 === 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 28 more)] === [2022-12-13 15:40:52,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:52,339 INFO L85 PathProgramCache]: Analyzing trace with hash 470347430, now seen corresponding path program 1 times [2022-12-13 15:40:52,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:52,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1882515305] [2022-12-13 15:40:52,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:52,343 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:52,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:52,346 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:52,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-12-13 15:40:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:40:53,239 INFO L263 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 15:40:53,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:40:54,507 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-12-13 15:40:54,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:40:54,507 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:40:54,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1882515305] [2022-12-13 15:40:54,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1882515305] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:40:54,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:40:54,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 15:40:54,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244913466] [2022-12-13 15:40:54,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:40:54,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:40:54,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:40:54,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:40:54,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:40:54,510 INFO L87 Difference]: Start difference. First operand 946 states and 1216 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 15:40:56,584 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:40:59,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:40:59,395 INFO L93 Difference]: Finished difference Result 1849 states and 2381 transitions. [2022-12-13 15:40:59,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 15:40:59,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 172 [2022-12-13 15:40:59,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:40:59,399 INFO L225 Difference]: With dead ends: 1849 [2022-12-13 15:40:59,399 INFO L226 Difference]: Without dead ends: 946 [2022-12-13 15:40:59,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:40:59,402 INFO L413 NwaCegarLoop]: 1207 mSDtfsCounter, 1132 mSDsluCounter, 3143 mSDsCounter, 0 mSdLazyCounter, 478 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 4350 SdHoareTripleChecker+Invalid, 479 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 478 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-12-13 15:40:59,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1136 Valid, 4350 Invalid, 479 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 478 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-12-13 15:40:59,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2022-12-13 15:40:59,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 946. [2022-12-13 15:40:59,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 617 states have (on average 1.2074554294975688) internal successors, (745), 645 states have internal predecessors, (745), 236 states have call successors, (236), 75 states have call predecessors, (236), 74 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2022-12-13 15:40:59,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1215 transitions. [2022-12-13 15:40:59,555 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1215 transitions. Word has length 172 [2022-12-13 15:40:59,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:40:59,556 INFO L495 AbstractCegarLoop]: Abstraction has 946 states and 1215 transitions. [2022-12-13 15:40:59,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 15:40:59,556 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1215 transitions. [2022-12-13 15:40:59,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-12-13 15:40:59,557 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:40:59,557 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:40:59,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-12-13 15:40:59,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:59,758 INFO L420 AbstractCegarLoop]: === Iteration 16 === 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 28 more)] === [2022-12-13 15:40:59,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:40:59,759 INFO L85 PathProgramCache]: Analyzing trace with hash 470407012, now seen corresponding path program 1 times [2022-12-13 15:40:59,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:40:59,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1020565276] [2022-12-13 15:40:59,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:40:59,763 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:40:59,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:40:59,766 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:40:59,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-12-13 15:41:00,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:00,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 1193 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:41:00,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:00,759 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-12-13 15:41:00,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:00,759 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:00,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1020565276] [2022-12-13 15:41:00,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1020565276] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:00,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:00,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 15:41:00,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923670430] [2022-12-13 15:41:00,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:00,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:41:00,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:00,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:41:00,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:41:00,761 INFO L87 Difference]: Start difference. First operand 946 states and 1215 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 15:41:00,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:00,931 INFO L93 Difference]: Finished difference Result 946 states and 1215 transitions. [2022-12-13 15:41:00,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:41:00,931 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 172 [2022-12-13 15:41:00,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:00,937 INFO L225 Difference]: With dead ends: 946 [2022-12-13 15:41:00,937 INFO L226 Difference]: Without dead ends: 944 [2022-12-13 15:41:00,938 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:41:00,938 INFO L413 NwaCegarLoop]: 1206 mSDtfsCounter, 7 mSDsluCounter, 2406 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 3612 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:00,939 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 3612 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:00,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2022-12-13 15:41:01,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 944. [2022-12-13 15:41:01,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 616 states have (on average 1.2061688311688312) internal successors, (743), 643 states have internal predecessors, (743), 236 states have call successors, (236), 75 states have call predecessors, (236), 74 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2022-12-13 15:41:01,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1213 transitions. [2022-12-13 15:41:01,082 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1213 transitions. Word has length 172 [2022-12-13 15:41:01,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:01,083 INFO L495 AbstractCegarLoop]: Abstraction has 944 states and 1213 transitions. [2022-12-13 15:41:01,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-12-13 15:41:01,083 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1213 transitions. [2022-12-13 15:41:01,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-13 15:41:01,084 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:01,084 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:01,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-12-13 15:41:01,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:01,285 INFO L420 AbstractCegarLoop]: === Iteration 17 === 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 28 more)] === [2022-12-13 15:41:01,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:01,286 INFO L85 PathProgramCache]: Analyzing trace with hash 378500305, now seen corresponding path program 1 times [2022-12-13 15:41:01,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:01,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1632140125] [2022-12-13 15:41:01,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:01,290 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:01,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:01,293 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:01,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-12-13 15:41:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:01,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:41:01,878 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:02,886 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:41:02,886 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:02,886 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:02,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1632140125] [2022-12-13 15:41:02,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1632140125] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:02,886 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:02,886 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:02,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557107696] [2022-12-13 15:41:02,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:02,887 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:41:02,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:02,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:41:02,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:41:02,887 INFO L87 Difference]: Start difference. First operand 944 states and 1213 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-12-13 15:41:03,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:03,076 INFO L93 Difference]: Finished difference Result 944 states and 1213 transitions. [2022-12-13 15:41:03,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:41:03,077 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 133 [2022-12-13 15:41:03,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:03,079 INFO L225 Difference]: With dead ends: 944 [2022-12-13 15:41:03,079 INFO L226 Difference]: Without dead ends: 942 [2022-12-13 15:41:03,080 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:41:03,080 INFO L413 NwaCegarLoop]: 1204 mSDtfsCounter, 1090 mSDsluCounter, 1202 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1092 SdHoareTripleChecker+Valid, 2406 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:03,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1092 Valid, 2406 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:03,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2022-12-13 15:41:03,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 942. [2022-12-13 15:41:03,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 615 states have (on average 1.2048780487804878) internal successors, (741), 641 states have internal predecessors, (741), 236 states have call successors, (236), 75 states have call predecessors, (236), 74 states have return successors, (234), 231 states have call predecessors, (234), 234 states have call successors, (234) [2022-12-13 15:41:03,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1211 transitions. [2022-12-13 15:41:03,206 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1211 transitions. Word has length 133 [2022-12-13 15:41:03,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:03,206 INFO L495 AbstractCegarLoop]: Abstraction has 942 states and 1211 transitions. [2022-12-13 15:41:03,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-12-13 15:41:03,206 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1211 transitions. [2022-12-13 15:41:03,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-12-13 15:41:03,207 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:03,207 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:03,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Ended with exit code 0 [2022-12-13 15:41:03,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:03,409 INFO L420 AbstractCegarLoop]: === Iteration 18 === 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 28 more)] === [2022-12-13 15:41:03,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:03,410 INFO L85 PathProgramCache]: Analyzing trace with hash 747173245, now seen corresponding path program 1 times [2022-12-13 15:41:03,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:03,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [111358513] [2022-12-13 15:41:03,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:03,413 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:03,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:03,416 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:03,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-12-13 15:41:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:04,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 1084 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-13 15:41:04,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:05,337 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-12-13 15:41:05,337 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:05,337 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:05,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [111358513] [2022-12-13 15:41:05,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [111358513] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:05,338 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:05,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2022-12-13 15:41:05,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180150843] [2022-12-13 15:41:05,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:05,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-13 15:41:05,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:05,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-13 15:41:05,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2022-12-13 15:41:05,339 INFO L87 Difference]: Start difference. First operand 942 states and 1211 transitions. Second operand has 18 states, 17 states have (on average 4.0) internal successors, (68), 17 states have internal predecessors, (68), 7 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2022-12-13 15:41:09,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:09,575 INFO L93 Difference]: Finished difference Result 1658 states and 2114 transitions. [2022-12-13 15:41:09,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-12-13 15:41:09,576 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 17 states have internal predecessors, (68), 7 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) Word has length 167 [2022-12-13 15:41:09,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:09,580 INFO L225 Difference]: With dead ends: 1658 [2022-12-13 15:41:09,580 INFO L226 Difference]: Without dead ends: 982 [2022-12-13 15:41:09,582 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=172, Invalid=698, Unknown=0, NotChecked=0, Total=870 [2022-12-13 15:41:09,583 INFO L413 NwaCegarLoop]: 1198 mSDtfsCounter, 107 mSDsluCounter, 18838 mSDsCounter, 0 mSdLazyCounter, 711 mSolverCounterSat, 258 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 20036 SdHoareTripleChecker+Invalid, 969 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 258 IncrementalHoareTripleChecker+Valid, 711 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:09,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 20036 Invalid, 969 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [258 Valid, 711 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 15:41:09,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2022-12-13 15:41:09,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 958. [2022-12-13 15:41:09,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 958 states, 626 states have (on average 1.2012779552715656) internal successors, (752), 652 states have internal predecessors, (752), 241 states have call successors, (241), 75 states have call predecessors, (241), 74 states have return successors, (239), 236 states have call predecessors, (239), 239 states have call successors, (239) [2022-12-13 15:41:09,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 958 states and 1232 transitions. [2022-12-13 15:41:09,749 INFO L78 Accepts]: Start accepts. Automaton has 958 states and 1232 transitions. Word has length 167 [2022-12-13 15:41:09,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:09,750 INFO L495 AbstractCegarLoop]: Abstraction has 958 states and 1232 transitions. [2022-12-13 15:41:09,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.0) internal successors, (68), 17 states have internal predecessors, (68), 7 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 7 states have call predecessors, (21), 7 states have call successors, (21) [2022-12-13 15:41:09,750 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1232 transitions. [2022-12-13 15:41:09,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2022-12-13 15:41:09,751 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:09,751 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:09,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-12-13 15:41:09,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:09,952 INFO L420 AbstractCegarLoop]: === Iteration 19 === 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 28 more)] === [2022-12-13 15:41:09,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:09,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1653460165, now seen corresponding path program 1 times [2022-12-13 15:41:09,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:09,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1541545141] [2022-12-13 15:41:09,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:09,957 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:09,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:09,960 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:09,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-12-13 15:41:10,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:10,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 1083 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 15:41:10,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:10,868 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-12-13 15:41:10,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:10,868 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:10,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1541545141] [2022-12-13 15:41:10,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1541545141] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:10,868 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:10,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 15:41:10,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111414663] [2022-12-13 15:41:10,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:10,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 15:41:10,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:10,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 15:41:10,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-13 15:41:10,870 INFO L87 Difference]: Start difference. First operand 958 states and 1232 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 15:41:12,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:12,090 INFO L93 Difference]: Finished difference Result 1700 states and 2178 transitions. [2022-12-13 15:41:12,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 15:41:12,091 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 167 [2022-12-13 15:41:12,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:12,093 INFO L225 Difference]: With dead ends: 1700 [2022-12-13 15:41:12,093 INFO L226 Difference]: Without dead ends: 980 [2022-12-13 15:41:12,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:41:12,095 INFO L413 NwaCegarLoop]: 1249 mSDtfsCounter, 832 mSDsluCounter, 3766 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 364 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 832 SdHoareTripleChecker+Valid, 5015 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 364 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:12,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [832 Valid, 5015 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [364 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 15:41:12,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2022-12-13 15:41:12,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 956. [2022-12-13 15:41:12,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 956 states, 625 states have (on average 1.2) internal successors, (750), 651 states have internal predecessors, (750), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2022-12-13 15:41:12,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 956 states and 1228 transitions. [2022-12-13 15:41:12,242 INFO L78 Accepts]: Start accepts. Automaton has 956 states and 1228 transitions. Word has length 167 [2022-12-13 15:41:12,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:12,243 INFO L495 AbstractCegarLoop]: Abstraction has 956 states and 1228 transitions. [2022-12-13 15:41:12,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-12-13 15:41:12,243 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1228 transitions. [2022-12-13 15:41:12,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-12-13 15:41:12,244 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:12,244 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:12,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Ended with exit code 0 [2022-12-13 15:41:12,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:12,445 INFO L420 AbstractCegarLoop]: === Iteration 20 === 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 28 more)] === [2022-12-13 15:41:12,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:12,446 INFO L85 PathProgramCache]: Analyzing trace with hash 788307860, now seen corresponding path program 1 times [2022-12-13 15:41:12,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:12,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [567750003] [2022-12-13 15:41:12,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:12,450 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:12,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:12,453 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:12,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-12-13 15:41:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:13,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 1204 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:41:13,392 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:14,677 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-12-13 15:41:14,678 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:14,678 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:14,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [567750003] [2022-12-13 15:41:14,678 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [567750003] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:14,678 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:14,678 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:41:14,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478960232] [2022-12-13 15:41:14,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:14,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:14,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:14,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:14,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:14,680 INFO L87 Difference]: Start difference. First operand 956 states and 1228 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-13 15:41:14,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:14,885 INFO L93 Difference]: Finished difference Result 1851 states and 2384 transitions. [2022-12-13 15:41:14,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:14,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 179 [2022-12-13 15:41:14,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:14,889 INFO L225 Difference]: With dead ends: 1851 [2022-12-13 15:41:14,889 INFO L226 Difference]: Without dead ends: 952 [2022-12-13 15:41:14,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:14,892 INFO L413 NwaCegarLoop]: 1200 mSDtfsCounter, 1110 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1110 SdHoareTripleChecker+Valid, 1200 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:14,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1110 Valid, 1200 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:14,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2022-12-13 15:41:15,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 952. [2022-12-13 15:41:15,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 622 states have (on average 1.197749196141479) internal successors, (745), 647 states have internal predecessors, (745), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2022-12-13 15:41:15,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1223 transitions. [2022-12-13 15:41:15,075 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1223 transitions. Word has length 179 [2022-12-13 15:41:15,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:15,075 INFO L495 AbstractCegarLoop]: Abstraction has 952 states and 1223 transitions. [2022-12-13 15:41:15,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 2 states have internal predecessors, (55), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-12-13 15:41:15,076 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1223 transitions. [2022-12-13 15:41:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-12-13 15:41:15,077 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:15,077 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:15,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Ended with exit code 0 [2022-12-13 15:41:15,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:15,278 INFO L420 AbstractCegarLoop]: === Iteration 21 === 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 28 more)] === [2022-12-13 15:41:15,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:15,279 INFO L85 PathProgramCache]: Analyzing trace with hash -305462863, now seen corresponding path program 1 times [2022-12-13 15:41:15,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:15,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1316046670] [2022-12-13 15:41:15,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:15,282 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:15,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:15,285 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:15,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-12-13 15:41:15,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:15,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 918 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:41:15,846 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:16,940 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:41:16,940 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:16,940 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:16,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1316046670] [2022-12-13 15:41:16,940 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1316046670] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:16,940 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:16,940 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:16,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343589861] [2022-12-13 15:41:16,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:16,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:41:16,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:16,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:41:16,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:41:16,942 INFO L87 Difference]: Start difference. First operand 952 states and 1223 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-12-13 15:41:17,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:17,165 INFO L93 Difference]: Finished difference Result 952 states and 1223 transitions. [2022-12-13 15:41:17,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:41:17,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 139 [2022-12-13 15:41:17,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:17,167 INFO L225 Difference]: With dead ends: 952 [2022-12-13 15:41:17,168 INFO L226 Difference]: Without dead ends: 950 [2022-12-13 15:41:17,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:41:17,168 INFO L413 NwaCegarLoop]: 1197 mSDtfsCounter, 1077 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1079 SdHoareTripleChecker+Valid, 2392 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:17,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1079 Valid, 2392 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:17,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2022-12-13 15:41:17,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 950. [2022-12-13 15:41:17,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 950 states, 621 states have (on average 1.1964573268921095) internal successors, (743), 645 states have internal predecessors, (743), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2022-12-13 15:41:17,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 950 states and 1221 transitions. [2022-12-13 15:41:17,320 INFO L78 Accepts]: Start accepts. Automaton has 950 states and 1221 transitions. Word has length 139 [2022-12-13 15:41:17,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:17,321 INFO L495 AbstractCegarLoop]: Abstraction has 950 states and 1221 transitions. [2022-12-13 15:41:17,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-12-13 15:41:17,321 INFO L276 IsEmpty]: Start isEmpty. Operand 950 states and 1221 transitions. [2022-12-13 15:41:17,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-13 15:41:17,321 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:17,322 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:17,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Ended with exit code 0 [2022-12-13 15:41:17,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:17,523 INFO L420 AbstractCegarLoop]: === Iteration 22 === 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 28 more)] === [2022-12-13 15:41:17,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:17,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1472361973, now seen corresponding path program 1 times [2022-12-13 15:41:17,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:17,527 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [706018639] [2022-12-13 15:41:17,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:17,527 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:17,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:17,530 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:17,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-12-13 15:41:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:18,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 927 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:41:18,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:19,224 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:41:19,225 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:19,225 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:19,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [706018639] [2022-12-13 15:41:19,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [706018639] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:19,225 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:19,225 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:19,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874505740] [2022-12-13 15:41:19,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:19,226 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:41:19,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:19,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:41:19,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:41:19,226 INFO L87 Difference]: Start difference. First operand 950 states and 1221 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-12-13 15:41:19,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:19,475 INFO L93 Difference]: Finished difference Result 950 states and 1221 transitions. [2022-12-13 15:41:19,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:41:19,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 145 [2022-12-13 15:41:19,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:19,478 INFO L225 Difference]: With dead ends: 950 [2022-12-13 15:41:19,478 INFO L226 Difference]: Without dead ends: 948 [2022-12-13 15:41:19,478 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:41:19,479 INFO L413 NwaCegarLoop]: 1195 mSDtfsCounter, 1069 mSDsluCounter, 1193 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1071 SdHoareTripleChecker+Valid, 2388 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:19,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1071 Valid, 2388 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:19,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2022-12-13 15:41:19,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 948. [2022-12-13 15:41:19,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 948 states, 620 states have (on average 1.1951612903225806) internal successors, (741), 643 states have internal predecessors, (741), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2022-12-13 15:41:19,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1219 transitions. [2022-12-13 15:41:19,635 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1219 transitions. Word has length 145 [2022-12-13 15:41:19,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:19,635 INFO L495 AbstractCegarLoop]: Abstraction has 948 states and 1219 transitions. [2022-12-13 15:41:19,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-12-13 15:41:19,635 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1219 transitions. [2022-12-13 15:41:19,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2022-12-13 15:41:19,636 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:19,636 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:19,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-12-13 15:41:19,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:19,837 INFO L420 AbstractCegarLoop]: === Iteration 23 === 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 28 more)] === [2022-12-13 15:41:19,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:19,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1324128010, now seen corresponding path program 1 times [2022-12-13 15:41:19,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:19,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [163966097] [2022-12-13 15:41:19,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:19,842 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:19,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:19,844 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:19,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-12-13 15:41:20,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:20,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:41:20,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:21,654 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:41:21,654 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:21,654 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:21,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [163966097] [2022-12-13 15:41:21,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [163966097] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:21,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:21,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:21,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769859673] [2022-12-13 15:41:21,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:21,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:41:21,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:21,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:41:21,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:41:21,655 INFO L87 Difference]: Start difference. First operand 948 states and 1219 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-12-13 15:41:21,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:21,867 INFO L93 Difference]: Finished difference Result 948 states and 1219 transitions. [2022-12-13 15:41:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:41:21,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 151 [2022-12-13 15:41:21,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:21,870 INFO L225 Difference]: With dead ends: 948 [2022-12-13 15:41:21,870 INFO L226 Difference]: Without dead ends: 946 [2022-12-13 15:41:21,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:41:21,871 INFO L413 NwaCegarLoop]: 1193 mSDtfsCounter, 1061 mSDsluCounter, 1191 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1063 SdHoareTripleChecker+Valid, 2384 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:21,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1063 Valid, 2384 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:21,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 946 states. [2022-12-13 15:41:22,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 946 to 946. [2022-12-13 15:41:22,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 946 states, 619 states have (on average 1.1938610662358642) internal successors, (739), 641 states have internal predecessors, (739), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2022-12-13 15:41:22,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 946 states and 1217 transitions. [2022-12-13 15:41:22,037 INFO L78 Accepts]: Start accepts. Automaton has 946 states and 1217 transitions. Word has length 151 [2022-12-13 15:41:22,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:22,037 INFO L495 AbstractCegarLoop]: Abstraction has 946 states and 1217 transitions. [2022-12-13 15:41:22,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-12-13 15:41:22,037 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1217 transitions. [2022-12-13 15:41:22,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-12-13 15:41:22,038 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:22,038 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:22,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2022-12-13 15:41:22,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:22,238 INFO L420 AbstractCegarLoop]: === Iteration 24 === 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 28 more)] === [2022-12-13 15:41:22,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:22,239 INFO L85 PathProgramCache]: Analyzing trace with hash -236295932, now seen corresponding path program 1 times [2022-12-13 15:41:22,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:22,239 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [588652380] [2022-12-13 15:41:22,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:22,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:22,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:22,240 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:22,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-12-13 15:41:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:22,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:41:22,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:24,043 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:41:24,043 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:24,043 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:24,043 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [588652380] [2022-12-13 15:41:24,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [588652380] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:24,043 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:24,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:24,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784624390] [2022-12-13 15:41:24,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:24,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:41:24,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:24,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:41:24,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:41:24,045 INFO L87 Difference]: Start difference. First operand 946 states and 1217 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-12-13 15:41:24,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:24,263 INFO L93 Difference]: Finished difference Result 946 states and 1217 transitions. [2022-12-13 15:41:24,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:41:24,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 157 [2022-12-13 15:41:24,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:24,266 INFO L225 Difference]: With dead ends: 946 [2022-12-13 15:41:24,266 INFO L226 Difference]: Without dead ends: 944 [2022-12-13 15:41:24,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:41:24,267 INFO L413 NwaCegarLoop]: 1191 mSDtfsCounter, 1053 mSDsluCounter, 1189 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1055 SdHoareTripleChecker+Valid, 2380 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:24,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1055 Valid, 2380 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:24,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2022-12-13 15:41:24,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 944. [2022-12-13 15:41:24,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 944 states, 618 states have (on average 1.192556634304207) internal successors, (737), 639 states have internal predecessors, (737), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2022-12-13 15:41:24,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 944 states to 944 states and 1215 transitions. [2022-12-13 15:41:24,436 INFO L78 Accepts]: Start accepts. Automaton has 944 states and 1215 transitions. Word has length 157 [2022-12-13 15:41:24,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:24,436 INFO L495 AbstractCegarLoop]: Abstraction has 944 states and 1215 transitions. [2022-12-13 15:41:24,436 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-12-13 15:41:24,436 INFO L276 IsEmpty]: Start isEmpty. Operand 944 states and 1215 transitions. [2022-12-13 15:41:24,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2022-12-13 15:41:24,437 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:24,437 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:24,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Ended with exit code 0 [2022-12-13 15:41:24,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:24,639 INFO L420 AbstractCegarLoop]: === Iteration 25 === 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 28 more)] === [2022-12-13 15:41:24,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:24,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1807522278, now seen corresponding path program 1 times [2022-12-13 15:41:24,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:24,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1979176948] [2022-12-13 15:41:24,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:24,645 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:24,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:24,649 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:24,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-12-13 15:41:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:25,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 954 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:41:25,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:41:26,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:26,491 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:26,491 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1979176948] [2022-12-13 15:41:26,491 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1979176948] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:26,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:26,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:26,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637091233] [2022-12-13 15:41:26,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:26,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:41:26,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:26,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:41:26,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:41:26,494 INFO L87 Difference]: Start difference. First operand 944 states and 1215 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-12-13 15:41:26,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:26,752 INFO L93 Difference]: Finished difference Result 944 states and 1215 transitions. [2022-12-13 15:41:26,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:41:26,753 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 163 [2022-12-13 15:41:26,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:26,755 INFO L225 Difference]: With dead ends: 944 [2022-12-13 15:41:26,755 INFO L226 Difference]: Without dead ends: 942 [2022-12-13 15:41:26,755 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:41:26,756 INFO L413 NwaCegarLoop]: 1189 mSDtfsCounter, 1045 mSDsluCounter, 1187 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 2376 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:26,756 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 2376 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:26,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 942 states. [2022-12-13 15:41:26,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 942 to 942. [2022-12-13 15:41:26,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 617 states have (on average 1.1912479740680713) internal successors, (735), 637 states have internal predecessors, (735), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2022-12-13 15:41:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1213 transitions. [2022-12-13 15:41:26,933 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1213 transitions. Word has length 163 [2022-12-13 15:41:26,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:26,933 INFO L495 AbstractCegarLoop]: Abstraction has 942 states and 1213 transitions. [2022-12-13 15:41:26,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-12-13 15:41:26,933 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1213 transitions. [2022-12-13 15:41:26,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-12-13 15:41:26,934 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:26,934 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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] [2022-12-13 15:41:26,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-12-13 15:41:27,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:27,135 INFO L420 AbstractCegarLoop]: === Iteration 26 === 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 28 more)] === [2022-12-13 15:41:27,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:27,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1246053326, now seen corresponding path program 1 times [2022-12-13 15:41:27,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:27,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1785165282] [2022-12-13 15:41:27,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:27,139 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:27,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:27,142 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:27,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-12-13 15:41:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:28,050 INFO L263 TraceCheckSpWp]: Trace formula consists of 1263 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:41:28,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:28,485 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-12-13 15:41:28,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:28,485 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:28,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1785165282] [2022-12-13 15:41:28,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1785165282] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:28,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:28,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:28,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043140419] [2022-12-13 15:41:28,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:28,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:28,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:28,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:28,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:28,488 INFO L87 Difference]: Start difference. First operand 942 states and 1213 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 15:41:28,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:28,801 INFO L93 Difference]: Finished difference Result 1734 states and 2217 transitions. [2022-12-13 15:41:28,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:28,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 207 [2022-12-13 15:41:28,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:28,804 INFO L225 Difference]: With dead ends: 1734 [2022-12-13 15:41:28,804 INFO L226 Difference]: Without dead ends: 938 [2022-12-13 15:41:28,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:28,806 INFO L413 NwaCegarLoop]: 1185 mSDtfsCounter, 1127 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1127 SdHoareTripleChecker+Valid, 1185 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:28,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1127 Valid, 1185 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 15:41:28,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2022-12-13 15:41:28,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2022-12-13 15:41:28,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 614 states have (on average 1.1889250814332248) internal successors, (730), 633 states have internal predecessors, (730), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2022-12-13 15:41:28,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1208 transitions. [2022-12-13 15:41:28,994 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1208 transitions. Word has length 207 [2022-12-13 15:41:28,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:28,995 INFO L495 AbstractCegarLoop]: Abstraction has 938 states and 1208 transitions. [2022-12-13 15:41:28,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-12-13 15:41:28,995 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1208 transitions. [2022-12-13 15:41:28,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-12-13 15:41:28,996 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:28,996 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:29,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-12-13 15:41:29,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:29,198 INFO L420 AbstractCegarLoop]: === Iteration 27 === 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 28 more)] === [2022-12-13 15:41:29,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:29,199 INFO L85 PathProgramCache]: Analyzing trace with hash 315447127, now seen corresponding path program 1 times [2022-12-13 15:41:29,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:29,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644011875] [2022-12-13 15:41:29,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:29,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:29,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:29,206 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:29,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-12-13 15:41:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:29,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:41:29,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:31,001 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:41:31,001 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:31,001 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:31,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644011875] [2022-12-13 15:41:31,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644011875] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:31,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:31,001 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:31,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516421178] [2022-12-13 15:41:31,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:31,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:41:31,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:31,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:41:31,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:41:31,003 INFO L87 Difference]: Start difference. First operand 938 states and 1208 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-12-13 15:41:31,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:31,247 INFO L93 Difference]: Finished difference Result 938 states and 1208 transitions. [2022-12-13 15:41:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:41:31,248 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 169 [2022-12-13 15:41:31,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:31,250 INFO L225 Difference]: With dead ends: 938 [2022-12-13 15:41:31,250 INFO L226 Difference]: Without dead ends: 936 [2022-12-13 15:41:31,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:41:31,251 INFO L413 NwaCegarLoop]: 1182 mSDtfsCounter, 1032 mSDsluCounter, 1180 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1034 SdHoareTripleChecker+Valid, 2362 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:31,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1034 Valid, 2362 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:31,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2022-12-13 15:41:31,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 936. [2022-12-13 15:41:31,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 936 states, 613 states have (on average 1.1876019575856445) internal successors, (728), 631 states have internal predecessors, (728), 240 states have call successors, (240), 75 states have call predecessors, (240), 74 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2022-12-13 15:41:31,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 936 states and 1206 transitions. [2022-12-13 15:41:31,439 INFO L78 Accepts]: Start accepts. Automaton has 936 states and 1206 transitions. Word has length 169 [2022-12-13 15:41:31,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:31,440 INFO L495 AbstractCegarLoop]: Abstraction has 936 states and 1206 transitions. [2022-12-13 15:41:31,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-12-13 15:41:31,440 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1206 transitions. [2022-12-13 15:41:31,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-12-13 15:41:31,441 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:31,441 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:31,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2022-12-13 15:41:31,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:31,641 INFO L420 AbstractCegarLoop]: === Iteration 28 === 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 28 more)] === [2022-12-13 15:41:31,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:31,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1976202685, now seen corresponding path program 1 times [2022-12-13 15:41:31,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:31,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366596068] [2022-12-13 15:41:31,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:31,643 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:31,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:31,643 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:31,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-12-13 15:41:32,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:32,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 1272 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 15:41:32,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:33,103 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2022-12-13 15:41:33,103 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:33,103 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:33,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366596068] [2022-12-13 15:41:33,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [366596068] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:33,104 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:33,104 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:33,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118309002] [2022-12-13 15:41:33,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:33,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:41:33,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:33,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:41:33,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:33,106 INFO L87 Difference]: Start difference. First operand 936 states and 1206 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 15:41:33,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:33,397 INFO L93 Difference]: Finished difference Result 1730 states and 2207 transitions. [2022-12-13 15:41:33,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:41:33,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 213 [2022-12-13 15:41:33,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:33,401 INFO L225 Difference]: With dead ends: 1730 [2022-12-13 15:41:33,401 INFO L226 Difference]: Without dead ends: 943 [2022-12-13 15:41:33,402 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:41:33,402 INFO L413 NwaCegarLoop]: 1193 mSDtfsCounter, 1114 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1114 SdHoareTripleChecker+Valid, 1215 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:33,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1114 Valid, 1215 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 15:41:33,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 943 states. [2022-12-13 15:41:33,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 943 to 942. [2022-12-13 15:41:33,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 942 states, 617 states have (on average 1.1831442463533226) internal successors, (730), 634 states have internal predecessors, (730), 240 states have call successors, (240), 78 states have call predecessors, (240), 77 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2022-12-13 15:41:33,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 942 states and 1208 transitions. [2022-12-13 15:41:33,611 INFO L78 Accepts]: Start accepts. Automaton has 942 states and 1208 transitions. Word has length 213 [2022-12-13 15:41:33,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:33,611 INFO L495 AbstractCegarLoop]: Abstraction has 942 states and 1208 transitions. [2022-12-13 15:41:33,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-12-13 15:41:33,611 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1208 transitions. [2022-12-13 15:41:33,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-12-13 15:41:33,613 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:33,613 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:33,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-12-13 15:41:33,813 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:33,815 INFO L420 AbstractCegarLoop]: === Iteration 29 === 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 28 more)] === [2022-12-13 15:41:33,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:33,816 INFO L85 PathProgramCache]: Analyzing trace with hash 411626244, now seen corresponding path program 1 times [2022-12-13 15:41:33,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:33,818 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630343123] [2022-12-13 15:41:33,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:33,819 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:33,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:33,822 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:33,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-12-13 15:41:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:34,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 972 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:41:34,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:35,765 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:41:35,765 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:35,765 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:35,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630343123] [2022-12-13 15:41:35,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [630343123] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:35,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:35,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:35,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27161694] [2022-12-13 15:41:35,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:35,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:41:35,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:35,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:41:35,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:41:35,767 INFO L87 Difference]: Start difference. First operand 942 states and 1208 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-12-13 15:41:36,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:36,032 INFO L93 Difference]: Finished difference Result 942 states and 1208 transitions. [2022-12-13 15:41:36,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:41:36,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2022-12-13 15:41:36,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:36,035 INFO L225 Difference]: With dead ends: 942 [2022-12-13 15:41:36,035 INFO L226 Difference]: Without dead ends: 940 [2022-12-13 15:41:36,036 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:41:36,036 INFO L413 NwaCegarLoop]: 1175 mSDtfsCounter, 1019 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1021 SdHoareTripleChecker+Valid, 2348 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:36,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1021 Valid, 2348 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:36,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2022-12-13 15:41:36,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 940. [2022-12-13 15:41:36,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 940 states, 616 states have (on average 1.1818181818181819) internal successors, (728), 632 states have internal predecessors, (728), 240 states have call successors, (240), 78 states have call predecessors, (240), 77 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2022-12-13 15:41:36,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 940 states to 940 states and 1206 transitions. [2022-12-13 15:41:36,246 INFO L78 Accepts]: Start accepts. Automaton has 940 states and 1206 transitions. Word has length 175 [2022-12-13 15:41:36,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:36,247 INFO L495 AbstractCegarLoop]: Abstraction has 940 states and 1206 transitions. [2022-12-13 15:41:36,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-12-13 15:41:36,247 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1206 transitions. [2022-12-13 15:41:36,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-12-13 15:41:36,248 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:36,248 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:36,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Ended with exit code 0 [2022-12-13 15:41:36,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:36,449 INFO L420 AbstractCegarLoop]: === Iteration 30 === 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 28 more)] === [2022-12-13 15:41:36,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:36,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1656853005, now seen corresponding path program 1 times [2022-12-13 15:41:36,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:36,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976444459] [2022-12-13 15:41:36,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:36,451 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:36,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:36,452 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:36,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-12-13 15:41:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:37,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 981 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:41:37,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:38,469 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:41:38,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:38,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:38,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976444459] [2022-12-13 15:41:38,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [976444459] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:38,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:38,469 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:38,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397782107] [2022-12-13 15:41:38,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:38,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:41:38,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:38,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:41:38,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:41:38,471 INFO L87 Difference]: Start difference. First operand 940 states and 1206 transitions. Second operand has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-12-13 15:41:38,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:38,730 INFO L93 Difference]: Finished difference Result 940 states and 1206 transitions. [2022-12-13 15:41:38,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:41:38,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 181 [2022-12-13 15:41:38,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:38,733 INFO L225 Difference]: With dead ends: 940 [2022-12-13 15:41:38,733 INFO L226 Difference]: Without dead ends: 938 [2022-12-13 15:41:38,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:41:38,733 INFO L413 NwaCegarLoop]: 1173 mSDtfsCounter, 1011 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1013 SdHoareTripleChecker+Valid, 2344 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:38,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1013 Valid, 2344 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:41:38,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2022-12-13 15:41:38,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2022-12-13 15:41:38,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 615 states have (on average 1.1804878048780487) internal successors, (726), 630 states have internal predecessors, (726), 240 states have call successors, (240), 78 states have call predecessors, (240), 77 states have return successors, (238), 235 states have call predecessors, (238), 238 states have call successors, (238) [2022-12-13 15:41:38,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 1204 transitions. [2022-12-13 15:41:38,939 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 1204 transitions. Word has length 181 [2022-12-13 15:41:38,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:38,940 INFO L495 AbstractCegarLoop]: Abstraction has 938 states and 1204 transitions. [2022-12-13 15:41:38,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.75) internal successors, (111), 3 states have internal predecessors, (111), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-12-13 15:41:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1204 transitions. [2022-12-13 15:41:38,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2022-12-13 15:41:38,941 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:38,941 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:38,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Ended with exit code 0 [2022-12-13 15:41:39,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:39,141 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:41:39,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:39,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1064386563, now seen corresponding path program 1 times [2022-12-13 15:41:39,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:39,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1567208787] [2022-12-13 15:41:39,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:39,143 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:39,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:39,144 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:39,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-12-13 15:41:40,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:40,356 INFO L263 TraceCheckSpWp]: Trace formula consists of 1568 conjuncts, 15 conjunts are in the unsatisfiable core [2022-12-13 15:41:40,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 389 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2022-12-13 15:41:40,842 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:40,842 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:40,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1567208787] [2022-12-13 15:41:40,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1567208787] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:40,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:40,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-13 15:41:40,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336360535] [2022-12-13 15:41:40,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:40,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 15:41:40,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:40,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 15:41:40,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:41:40,843 INFO L87 Difference]: Start difference. First operand 938 states and 1204 transitions. Second operand has 8 states, 8 states have (on average 10.5) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 15:41:43,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:41:45,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:41:46,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:46,216 INFO L93 Difference]: Finished difference Result 2224 states and 2967 transitions. [2022-12-13 15:41:46,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 15:41:46,217 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 3 states have call successors, (27) Word has length 229 [2022-12-13 15:41:46,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:46,220 INFO L225 Difference]: With dead ends: 2224 [2022-12-13 15:41:46,220 INFO L226 Difference]: Without dead ends: 1355 [2022-12-13 15:41:46,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-12-13 15:41:46,221 INFO L413 NwaCegarLoop]: 1357 mSDtfsCounter, 333 mSDsluCounter, 7936 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 9293 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:46,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 9293 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 68 Invalid, 2 Unknown, 0 Unchecked, 4.8s Time] [2022-12-13 15:41:46,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2022-12-13 15:41:46,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 947. [2022-12-13 15:41:46,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 947 states, 621 states have (on average 1.178743961352657) internal successors, (732), 636 states have internal predecessors, (732), 241 states have call successors, (241), 78 states have call predecessors, (241), 79 states have return successors, (246), 238 states have call predecessors, (246), 239 states have call successors, (246) [2022-12-13 15:41:46,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 947 states and 1219 transitions. [2022-12-13 15:41:46,455 INFO L78 Accepts]: Start accepts. Automaton has 947 states and 1219 transitions. Word has length 229 [2022-12-13 15:41:46,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:46,455 INFO L495 AbstractCegarLoop]: Abstraction has 947 states and 1219 transitions. [2022-12-13 15:41:46,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.5) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 3 states have call successors, (27) [2022-12-13 15:41:46,456 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1219 transitions. [2022-12-13 15:41:46,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-12-13 15:41:46,457 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:46,457 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:46,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Ended with exit code 0 [2022-12-13 15:41:46,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:46,658 INFO L420 AbstractCegarLoop]: === Iteration 32 === 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 28 more)] === [2022-12-13 15:41:46,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:46,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1638415273, now seen corresponding path program 1 times [2022-12-13 15:41:46,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:46,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [449196385] [2022-12-13 15:41:46,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:46,659 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:46,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:46,660 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:46,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-12-13 15:41:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:47,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 990 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:41:47,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:48,699 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 15:41:48,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:48,699 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:48,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [449196385] [2022-12-13 15:41:48,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [449196385] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:48,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:48,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:41:48,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909191548] [2022-12-13 15:41:48,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:48,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:41:48,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:48,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:41:48,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:41:48,701 INFO L87 Difference]: Start difference. First operand 947 states and 1219 transitions. Second operand has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-12-13 15:41:49,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:41:49,239 INFO L93 Difference]: Finished difference Result 1795 states and 2313 transitions. [2022-12-13 15:41:49,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:41:49,239 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) Word has length 187 [2022-12-13 15:41:49,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:41:49,243 INFO L225 Difference]: With dead ends: 1795 [2022-12-13 15:41:49,243 INFO L226 Difference]: Without dead ends: 1610 [2022-12-13 15:41:49,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:41:49,244 INFO L413 NwaCegarLoop]: 1441 mSDtfsCounter, 1000 mSDsluCounter, 2520 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1000 SdHoareTripleChecker+Valid, 3961 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 15:41:49,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1000 Valid, 3961 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 15:41:49,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2022-12-13 15:41:49,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1591. [2022-12-13 15:41:49,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1049 states have (on average 1.198284080076263) internal successors, (1257), 1072 states have internal predecessors, (1257), 406 states have call successors, (406), 129 states have call predecessors, (406), 130 states have return successors, (419), 401 states have call predecessors, (419), 404 states have call successors, (419) [2022-12-13 15:41:49,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2082 transitions. [2022-12-13 15:41:49,664 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2082 transitions. Word has length 187 [2022-12-13 15:41:49,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:41:49,664 INFO L495 AbstractCegarLoop]: Abstraction has 1591 states and 2082 transitions. [2022-12-13 15:41:49,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.75) internal successors, (115), 3 states have internal predecessors, (115), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (29), 1 states have call predecessors, (29), 1 states have call successors, (29) [2022-12-13 15:41:49,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2082 transitions. [2022-12-13 15:41:49,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-12-13 15:41:49,665 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:41:49,665 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:41:49,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Ended with exit code 0 [2022-12-13 15:41:49,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:49,867 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_usb_urb_usb_free_urbErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_alloc_usb_lock_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 28 more)] === [2022-12-13 15:41:49,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:41:49,868 INFO L85 PathProgramCache]: Analyzing trace with hash -657124779, now seen corresponding path program 1 times [2022-12-13 15:41:49,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 15:41:49,872 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1782561731] [2022-12-13 15:41:49,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:41:49,873 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 15:41:49,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 15:41:49,875 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 15:41:49,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc749261-fcef-4449-8c19-e3fd9f0572c3/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2022-12-13 15:41:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:41:51,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-13 15:41:51,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:41:53,873 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2022-12-13 15:41:53,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:41:53,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 15:41:53,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1782561731] [2022-12-13 15:41:53,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1782561731] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:41:53,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:41:53,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2022-12-13 15:41:53,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273203204] [2022-12-13 15:41:53,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:41:53,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-13 15:41:53,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 15:41:53,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-13 15:41:53,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2022-12-13 15:41:53,875 INFO L87 Difference]: Start difference. First operand 1591 states and 2082 transitions. Second operand has 19 states, 16 states have (on average 5.6875) internal successors, (91), 14 states have internal predecessors, (91), 7 states have call successors, (32), 3 states have call predecessors, (32), 6 states have return successors, (30), 9 states have call predecessors, (30), 6 states have call successors, (30) [2022-12-13 15:41:58,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:42:01,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:42:06,623 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-12-13 15:42:12,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:42:12,651 INFO L93 Difference]: Finished difference Result 3766 states and 5075 transitions. [2022-12-13 15:42:12,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 15:42:12,652 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 5.6875) internal successors, (91), 14 states have internal predecessors, (91), 7 states have call successors, (32), 3 states have call predecessors, (32), 6 states have return successors, (30), 9 states have call predecessors, (30), 6 states have call successors, (30) Word has length 245 [2022-12-13 15:42:12,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:42:12,658 INFO L225 Difference]: With dead ends: 3766 [2022-12-13 15:42:12,658 INFO L226 Difference]: Without dead ends: 2358 [2022-12-13 15:42:12,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2022-12-13 15:42:12,661 INFO L413 NwaCegarLoop]: 1691 mSDtfsCounter, 418 mSDsluCounter, 24590 mSDsCounter, 0 mSdLazyCounter, 1342 mSolverCounterSat, 16 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 26281 SdHoareTripleChecker+Invalid, 1360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1342 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.9s IncrementalHoareTripleChecker+Time [2022-12-13 15:42:12,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 26281 Invalid, 1360 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [16 Valid, 1342 Invalid, 2 Unknown, 0 Unchecked, 16.9s Time] [2022-12-13 15:42:12,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2358 states.