./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --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 13180db7de3a8489ee06ea96825d5be5d06449dd3c867f58676a7914255b860c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:02:01,658 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:02:01,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 02:02:01,774 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:02:01,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:02:01,798 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:02:01,799 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:02:01,799 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:02:01,799 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:02:01,800 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:02:01,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:02:01,800 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:02:01,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:02:01,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:02:01,800 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:02:01,801 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:02:01,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:02:01,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 02:02:01,801 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:02:01,801 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:02:01,801 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:02:01,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:02:01,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:02:01,802 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:02:01,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:02:01,802 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:02:01,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:02:01,802 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:02:01,802 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:02:01,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:02:01,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:02:01,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:02:01,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:02:01,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:02:01,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:02:01,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:02:01,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:02:01,803 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:02:01,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:02:01,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 02:02:01,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 02:02:01,804 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:02:01,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:02:01,804 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:02:01,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:02:01,804 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 13180db7de3a8489ee06ea96825d5be5d06449dd3c867f58676a7914255b860c [2024-11-24 02:02:02,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:02:02,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:02:02,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:02:02,111 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:02:02,112 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:02:02,113 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2024-11-24 02:02:05,185 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/data/784eceed4/8c2ed36087c84efb901602e2a15ac553/FLAGdf75e985f [2024-11-24 02:02:06,042 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:02:06,043 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2024-11-24 02:02:06,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/data/784eceed4/8c2ed36087c84efb901602e2a15ac553/FLAGdf75e985f [2024-11-24 02:02:06,140 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/data/784eceed4/8c2ed36087c84efb901602e2a15ac553 [2024-11-24 02:02:06,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:02:06,145 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:02:06,148 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:02:06,149 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:02:06,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:02:06,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:02:06" (1/1) ... [2024-11-24 02:02:06,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55ba9c7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:06, skipping insertion in model container [2024-11-24 02:02:06,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:02:06" (1/1) ... [2024-11-24 02:02:06,307 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:02:10,414 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400642,400655] [2024-11-24 02:02:10,417 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400787,400800] [2024-11-24 02:02:10,417 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400933,400946] [2024-11-24 02:02:10,418 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401098,401111] [2024-11-24 02:02:10,418 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401256,401269] [2024-11-24 02:02:10,419 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401414,401427] [2024-11-24 02:02:10,419 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401572,401585] [2024-11-24 02:02:10,419 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401732,401745] [2024-11-24 02:02:10,420 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401891,401904] [2024-11-24 02:02:10,420 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402030,402043] [2024-11-24 02:02:10,421 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402172,402185] [2024-11-24 02:02:10,421 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402321,402334] [2024-11-24 02:02:10,422 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402460,402473] [2024-11-24 02:02:10,422 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402615,402628] [2024-11-24 02:02:10,423 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402775,402788] [2024-11-24 02:02:10,424 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402926,402939] [2024-11-24 02:02:10,424 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403077,403090] [2024-11-24 02:02:10,425 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403229,403242] [2024-11-24 02:02:10,425 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403378,403391] [2024-11-24 02:02:10,426 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403526,403539] [2024-11-24 02:02:10,426 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403683,403696] [2024-11-24 02:02:10,427 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403832,403845] [2024-11-24 02:02:10,427 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403988,404001] [2024-11-24 02:02:10,428 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404141,404154] [2024-11-24 02:02:10,429 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404287,404300] [2024-11-24 02:02:10,429 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404430,404443] [2024-11-24 02:02:10,430 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404582,404595] [2024-11-24 02:02:10,430 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404728,404741] [2024-11-24 02:02:10,431 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404873,404886] [2024-11-24 02:02:10,431 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405027,405040] [2024-11-24 02:02:10,431 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405178,405191] [2024-11-24 02:02:10,432 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405333,405346] [2024-11-24 02:02:10,432 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405485,405498] [2024-11-24 02:02:10,433 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405640,405653] [2024-11-24 02:02:10,433 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405804,405817] [2024-11-24 02:02:10,434 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405960,405973] [2024-11-24 02:02:10,434 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406124,406137] [2024-11-24 02:02:10,435 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406266,406279] [2024-11-24 02:02:10,435 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406424,406437] [2024-11-24 02:02:10,435 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406591,406604] [2024-11-24 02:02:10,436 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406750,406763] [2024-11-24 02:02:10,436 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406909,406922] [2024-11-24 02:02:10,437 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407058,407071] [2024-11-24 02:02:10,437 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407205,407218] [2024-11-24 02:02:10,438 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407344,407357] [2024-11-24 02:02:10,438 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407507,407520] [2024-11-24 02:02:10,439 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407673,407686] [2024-11-24 02:02:10,439 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407837,407850] [2024-11-24 02:02:10,440 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408002,408015] [2024-11-24 02:02:10,440 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408167,408180] [2024-11-24 02:02:10,441 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408333,408346] [2024-11-24 02:02:10,441 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408498,408511] [2024-11-24 02:02:10,441 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408665,408678] [2024-11-24 02:02:10,442 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408825,408838] [2024-11-24 02:02:10,442 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408987,409000] [2024-11-24 02:02:10,443 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409146,409159] [2024-11-24 02:02:10,443 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409292,409305] [2024-11-24 02:02:10,444 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409435,409448] [2024-11-24 02:02:10,444 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409579,409592] [2024-11-24 02:02:10,445 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409722,409735] [2024-11-24 02:02:10,445 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409866,409879] [2024-11-24 02:02:10,445 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410007,410020] [2024-11-24 02:02:10,446 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410145,410158] [2024-11-24 02:02:10,446 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410303,410316] [2024-11-24 02:02:10,447 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410462,410475] [2024-11-24 02:02:10,447 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410618,410631] [2024-11-24 02:02:10,448 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410767,410780] [2024-11-24 02:02:10,448 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410919,410932] [2024-11-24 02:02:10,449 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411070,411083] [2024-11-24 02:02:10,449 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411219,411232] [2024-11-24 02:02:10,449 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411371,411384] [2024-11-24 02:02:10,450 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411519,411532] [2024-11-24 02:02:10,450 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411672,411685] [2024-11-24 02:02:10,451 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411823,411836] [2024-11-24 02:02:10,451 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411973,411986] [2024-11-24 02:02:10,451 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412120,412133] [2024-11-24 02:02:10,452 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412271,412284] [2024-11-24 02:02:10,452 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412422,412435] [2024-11-24 02:02:10,452 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412570,412583] [2024-11-24 02:02:10,453 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412736,412749] [2024-11-24 02:02:10,454 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412905,412918] [2024-11-24 02:02:10,454 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413072,413085] [2024-11-24 02:02:10,455 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413240,413253] [2024-11-24 02:02:10,455 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413390,413403] [2024-11-24 02:02:10,456 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413537,413550] [2024-11-24 02:02:10,456 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413698,413711] [2024-11-24 02:02:10,456 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413868,413881] [2024-11-24 02:02:10,457 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[414030,414043] [2024-11-24 02:02:10,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:02:10,523 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:02:10,717 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgb %2,%1": "=a" (__ret), "+m" (*__ptr): "q" (__new), "0" (__old): "memory"); [7080-7081] [2024-11-24 02:02:10,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgw %2,%1": "=a" (__ret), "+m" (*__ptr___0): "r" (__new), "0" (__old): "memory"); [7085-7086] [2024-11-24 02:02:10,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgl %2,%1": "=a" (__ret), "+m" (*__ptr___1): "r" (__new), "0" (__old): "memory"); [7090-7091] [2024-11-24 02:02:10,720 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; cmpxchgq %2,%1": "=a" (__ret), "+m" (*__ptr___2): "r" (__new), "0" (__old): "memory"); [7095-7096] [2024-11-24 02:02:10,765 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [7547-7548] [2024-11-24 02:02:10,767 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (41), "i" (12UL)); [7557-7558] [2024-11-24 02:02:10,768 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/netns/generic.h"), "i" (45), "i" (12UL)); [7571-7572] [2024-11-24 02:02:10,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"net/netfilter/nfnetlink_log.c"), "i" (581), "i" (12UL)); [8504-8505] [2024-11-24 02:02:11,030 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400642,400655] [2024-11-24 02:02:11,032 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400787,400800] [2024-11-24 02:02:11,034 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400933,400946] [2024-11-24 02:02:11,035 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401098,401111] [2024-11-24 02:02:11,036 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401256,401269] [2024-11-24 02:02:11,038 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401414,401427] [2024-11-24 02:02:11,038 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401572,401585] [2024-11-24 02:02:11,039 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401732,401745] [2024-11-24 02:02:11,039 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401891,401904] [2024-11-24 02:02:11,040 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402030,402043] [2024-11-24 02:02:11,040 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402172,402185] [2024-11-24 02:02:11,042 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402321,402334] [2024-11-24 02:02:11,043 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402460,402473] [2024-11-24 02:02:11,044 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402615,402628] [2024-11-24 02:02:11,044 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402775,402788] [2024-11-24 02:02:11,044 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402926,402939] [2024-11-24 02:02:11,045 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403077,403090] [2024-11-24 02:02:11,046 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403229,403242] [2024-11-24 02:02:11,048 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403378,403391] [2024-11-24 02:02:11,049 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403526,403539] [2024-11-24 02:02:11,049 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403683,403696] [2024-11-24 02:02:11,050 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403832,403845] [2024-11-24 02:02:11,050 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403988,404001] [2024-11-24 02:02:11,050 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404141,404154] [2024-11-24 02:02:11,051 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404287,404300] [2024-11-24 02:02:11,052 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404430,404443] [2024-11-24 02:02:11,053 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404582,404595] [2024-11-24 02:02:11,053 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404728,404741] [2024-11-24 02:02:11,054 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404873,404886] [2024-11-24 02:02:11,055 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405027,405040] [2024-11-24 02:02:11,056 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405178,405191] [2024-11-24 02:02:11,056 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405333,405346] [2024-11-24 02:02:11,058 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405485,405498] [2024-11-24 02:02:11,058 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405640,405653] [2024-11-24 02:02:11,059 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405804,405817] [2024-11-24 02:02:11,059 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405960,405973] [2024-11-24 02:02:11,062 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406124,406137] [2024-11-24 02:02:11,062 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406266,406279] [2024-11-24 02:02:11,063 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406424,406437] [2024-11-24 02:02:11,063 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406591,406604] [2024-11-24 02:02:11,065 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406750,406763] [2024-11-24 02:02:11,065 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406909,406922] [2024-11-24 02:02:11,067 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407058,407071] [2024-11-24 02:02:11,067 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407205,407218] [2024-11-24 02:02:11,068 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407344,407357] [2024-11-24 02:02:11,068 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407507,407520] [2024-11-24 02:02:11,071 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407673,407686] [2024-11-24 02:02:11,071 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407837,407850] [2024-11-24 02:02:11,072 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408002,408015] [2024-11-24 02:02:11,072 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408167,408180] [2024-11-24 02:02:11,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408333,408346] [2024-11-24 02:02:11,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408498,408511] [2024-11-24 02:02:11,073 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408665,408678] [2024-11-24 02:02:11,074 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408825,408838] [2024-11-24 02:02:11,074 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408987,409000] [2024-11-24 02:02:11,076 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409146,409159] [2024-11-24 02:02:11,076 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409292,409305] [2024-11-24 02:02:11,077 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409435,409448] [2024-11-24 02:02:11,077 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409579,409592] [2024-11-24 02:02:11,078 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409722,409735] [2024-11-24 02:02:11,079 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409866,409879] [2024-11-24 02:02:11,079 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410007,410020] [2024-11-24 02:02:11,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410145,410158] [2024-11-24 02:02:11,080 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410303,410316] [2024-11-24 02:02:11,081 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410462,410475] [2024-11-24 02:02:11,081 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410618,410631] [2024-11-24 02:02:11,082 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410767,410780] [2024-11-24 02:02:11,082 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410919,410932] [2024-11-24 02:02:11,082 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411070,411083] [2024-11-24 02:02:11,083 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411219,411232] [2024-11-24 02:02:11,084 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411371,411384] [2024-11-24 02:02:11,084 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411519,411532] [2024-11-24 02:02:11,085 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411672,411685] [2024-11-24 02:02:11,085 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411823,411836] [2024-11-24 02:02:11,086 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411973,411986] [2024-11-24 02:02:11,086 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412120,412133] [2024-11-24 02:02:11,086 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412271,412284] [2024-11-24 02:02:11,087 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412422,412435] [2024-11-24 02:02:11,087 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412570,412583] [2024-11-24 02:02:11,088 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412736,412749] [2024-11-24 02:02:11,089 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412905,412918] [2024-11-24 02:02:11,090 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413072,413085] [2024-11-24 02:02:11,090 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413240,413253] [2024-11-24 02:02:11,091 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413390,413403] [2024-11-24 02:02:11,093 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413537,413550] [2024-11-24 02:02:11,093 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413698,413711] [2024-11-24 02:02:11,094 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413868,413881] [2024-11-24 02:02:11,094 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[414030,414043] [2024-11-24 02:02:11,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:02:11,358 WARN L1212 FunctionHandler]: The following functions are not defined or handled internally: __cmpxchg_wrong_size [2024-11-24 02:02:11,368 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:02:11,368 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:11 WrapperNode [2024-11-24 02:02:11,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:02:11,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:02:11,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:02:11,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:02:11,378 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:11" (1/1) ... [2024-11-24 02:02:11,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:11" (1/1) ... [2024-11-24 02:02:11,648 INFO L138 Inliner]: procedures = 618, calls = 1465, calls flagged for inlining = 276, calls inlined = 181, statements flattened = 2717 [2024-11-24 02:02:11,648 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:02:11,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:02:11,649 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:02:11,649 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:02:11,665 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:11" (1/1) ... [2024-11-24 02:02:11,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:11" (1/1) ... [2024-11-24 02:02:11,685 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:11" (1/1) ... [2024-11-24 02:02:12,291 INFO L175 MemorySlicer]: Split 248 memory accesses to 24 slices as follows [16, 1, 4, 6, 4, 31, 7, 2, 1, 3, 1, 1, 1, 1, 4, 2, 103, 10, 3, 4, 19, 12, 8, 4]. 42 percent of accesses are in the largest equivalence class. The 36 initializations are split as follows [4, 0, 0, 6, 4, 0, 7, 0, 0, 0, 0, 0, 0, 1, 0, 2, 4, 0, 0, 4, 0, 0, 0, 4]. The 112 writes are split as follows [12, 0, 0, 0, 0, 31, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 47, 3, 0, 0, 19, 0, 0, 0]. [2024-11-24 02:02:12,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:11" (1/1) ... [2024-11-24 02:02:12,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:11" (1/1) ... [2024-11-24 02:02:12,389 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:11" (1/1) ... [2024-11-24 02:02:12,395 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:11" (1/1) ... [2024-11-24 02:02:12,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:11" (1/1) ... [2024-11-24 02:02:12,434 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:11" (1/1) ... [2024-11-24 02:02:12,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:11" (1/1) ... [2024-11-24 02:02:12,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:02:12,499 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:02:12,499 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:02:12,500 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:02:12,501 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:11" (1/1) ... [2024-11-24 02:02:12,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:02:12,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:02:12,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:02:12,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:02:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2024-11-24 02:02:12,591 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2024-11-24 02:02:12,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2024-11-24 02:02:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2024-11-24 02:02:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release_net [2024-11-24 02:02:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release_net [2024-11-24 02:02:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-11-24 02:02:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-11-24 02:02:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2024-11-24 02:02:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2024-11-24 02:02:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-24 02:02:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-24 02:02:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-24 02:02:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2024-11-24 02:02:12,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 02:02:12,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2024-11-24 02:02:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_send [2024-11-24 02:02:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_send [2024-11-24 02:02:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh [2024-11-24 02:02:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh [2024-11-24 02:02:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure instance_put [2024-11-24 02:02:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_put [2024-11-24 02:02:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2024-11-24 02:02:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2024-11-24 02:02:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure nf_log_unregister [2024-11-24 02:02:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_log_unregister [2024-11-24 02:02:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2024-11-24 02:02:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2024-11-24 02:02:12,593 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2024-11-24 02:02:12,593 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2024-11-24 02:02:12,594 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2024-11-24 02:02:12,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2024-11-24 02:02:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2024-11-24 02:02:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2024-11-24 02:02:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2024-11-24 02:02:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2024-11-24 02:02:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2024-11-24 02:02:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2024-11-24 02:02:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 02:02:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2024-11-24 02:02:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2024-11-24 02:02:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2024-11-24 02:02:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2024-11-24 02:02:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2024-11-24 02:02:12,595 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2024-11-24 02:02:12,595 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2024-11-24 02:02:12,596 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2024-11-24 02:02:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-24 02:02:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-24 02:02:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-24 02:02:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-24 02:02:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-24 02:02:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-24 02:02:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-24 02:02:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-24 02:02:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-24 02:02:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2024-11-24 02:02:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2024-11-24 02:02:12,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2024-11-24 02:02:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#12 [2024-11-24 02:02:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#13 [2024-11-24 02:02:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#14 [2024-11-24 02:02:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#15 [2024-11-24 02:02:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#16 [2024-11-24 02:02:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#17 [2024-11-24 02:02:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#18 [2024-11-24 02:02:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#19 [2024-11-24 02:02:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#20 [2024-11-24 02:02:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#21 [2024-11-24 02:02:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#22 [2024-11-24 02:02:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#23 [2024-11-24 02:02:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2024-11-24 02:02:12,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2024-11-24 02:02:12,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2024-11-24 02:02:12,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure nfnetlink_subsys_unregister [2024-11-24 02:02:12,598 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnetlink_subsys_unregister [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-24 02:02:12,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 02:02:12,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2024-11-24 02:02:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2024-11-24 02:02:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2024-11-24 02:02:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#17 [2024-11-24 02:02:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#18 [2024-11-24 02:02:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#19 [2024-11-24 02:02:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#20 [2024-11-24 02:02:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#21 [2024-11-24 02:02:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#22 [2024-11-24 02:02:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#23 [2024-11-24 02:02:12,599 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2024-11-24 02:02:12,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2024-11-24 02:02:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2024-11-24 02:02:12,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2024-11-24 02:02:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2024-11-24 02:02:12,603 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2024-11-24 02:02:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_130 [2024-11-24 02:02:12,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_130 [2024-11-24 02:02:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2024-11-24 02:02:12,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2024-11-24 02:02:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2024-11-24 02:02:12,603 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2024-11-24 02:02:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_138 [2024-11-24 02:02:12,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_138 [2024-11-24 02:02:12,603 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-24 02:02:12,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2024-11-24 02:02:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure instance_lookup_get [2024-11-24 02:02:12,604 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_lookup_get [2024-11-24 02:02:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 02:02:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:02:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2024-11-24 02:02:12,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2024-11-24 02:02:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-24 02:02:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-24 02:02:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-24 02:02:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-24 02:02:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-24 02:02:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-24 02:02:12,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#12 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#13 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#14 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#15 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#16 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#17 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#18 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#19 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#20 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#21 [2024-11-24 02:02:12,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#22 [2024-11-24 02:02:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#23 [2024-11-24 02:02:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure seq_show [2024-11-24 02:02:12,606 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_show [2024-11-24 02:02:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2024-11-24 02:02:12,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2024-11-24 02:02:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:02:12,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:02:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2024-11-24 02:02:12,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2024-11-24 02:02:12,606 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2024-11-24 02:02:12,610 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2024-11-24 02:02:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2024-11-24 02:02:12,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2024-11-24 02:02:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-24 02:02:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-24 02:02:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-24 02:02:12,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-24 02:02:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-24 02:02:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-24 02:02:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-24 02:02:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-24 02:02:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-24 02:02:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2024-11-24 02:02:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2024-11-24 02:02:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2024-11-24 02:02:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#12 [2024-11-24 02:02:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#13 [2024-11-24 02:02:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#14 [2024-11-24 02:02:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#15 [2024-11-24 02:02:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#16 [2024-11-24 02:02:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#17 [2024-11-24 02:02:12,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#18 [2024-11-24 02:02:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#19 [2024-11-24 02:02:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#20 [2024-11-24 02:02:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#21 [2024-11-24 02:02:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#22 [2024-11-24 02:02:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#23 [2024-11-24 02:02:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2024-11-24 02:02:12,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2024-11-24 02:02:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 02:02:12,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2024-11-24 02:02:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure nful_open [2024-11-24 02:02:12,612 INFO L138 BoogieDeclarations]: Found implementation of procedure nful_open [2024-11-24 02:02:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2024-11-24 02:02:12,612 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2024-11-24 02:02:12,612 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netlink_unregister_notifier [2024-11-24 02:02:12,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netlink_unregister_notifier [2024-11-24 02:02:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_be32 [2024-11-24 02:02:12,613 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_be32 [2024-11-24 02:02:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2024-11-24 02:02:12,613 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2024-11-24 02:02:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_pernet [2024-11-24 02:02:12,613 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_pernet [2024-11-24 02:02:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2024-11-24 02:02:12,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2024-11-24 02:02:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2024-11-24 02:02:12,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2024-11-24 02:02:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_data [2024-11-24 02:02:12,613 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_data [2024-11-24 02:02:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2024-11-24 02:02:12,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2024-11-24 02:02:12,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 02:02:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-24 02:02:12,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2024-11-24 02:02:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-24 02:02:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-24 02:02:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-24 02:02:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-24 02:02:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-24 02:02:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-24 02:02:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-24 02:02:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-24 02:02:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-24 02:02:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2024-11-24 02:02:12,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#12 [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#13 [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#14 [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#15 [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#16 [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#17 [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#18 [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#19 [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#20 [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#21 [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#22 [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#23 [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_bh [2024-11-24 02:02:12,615 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_bh [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-24 02:02:12,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-24 02:02:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-24 02:02:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-24 02:02:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-24 02:02:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-24 02:02:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-24 02:02:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-24 02:02:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-24 02:02:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2024-11-24 02:02:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2024-11-24 02:02:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2024-11-24 02:02:12,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#12 [2024-11-24 02:02:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#13 [2024-11-24 02:02:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#14 [2024-11-24 02:02:12,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#15 [2024-11-24 02:02:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#16 [2024-11-24 02:02:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#17 [2024-11-24 02:02:12,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#18 [2024-11-24 02:02:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#19 [2024-11-24 02:02:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#20 [2024-11-24 02:02:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#21 [2024-11-24 02:02:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#22 [2024-11-24 02:02:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#23 [2024-11-24 02:02:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2024-11-24 02:02:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2024-11-24 02:02:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_net_exit [2024-11-24 02:02:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_net_exit [2024-11-24 02:02:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2024-11-24 02:02:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2024-11-24 02:02:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2024-11-24 02:02:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2024-11-24 02:02:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-24 02:02:12,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2024-11-24 02:02:12,621 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_lookup [2024-11-24 02:02:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_lookup [2024-11-24 02:02:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2024-11-24 02:02:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2024-11-24 02:02:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2024-11-24 02:02:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2024-11-24 02:02:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-24 02:02:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2024-11-24 02:02:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2024-11-24 02:02:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2024-11-24 02:02:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_132 [2024-11-24 02:02:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_132 [2024-11-24 02:02:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_139 [2024-11-24 02:02:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_139 [2024-11-24 02:02:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_unregister_notifier [2024-11-24 02:02:12,622 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_unregister_notifier [2024-11-24 02:02:12,622 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2024-11-24 02:02:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2024-11-24 02:02:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-24 02:02:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2024-11-24 02:02:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2024-11-24 02:02:12,623 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2024-11-24 02:02:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 02:02:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 02:02:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 02:02:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 02:02:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 02:02:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 02:02:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 02:02:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 02:02:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 02:02:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 02:02:12,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 02:02:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 02:02:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 02:02:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 02:02:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2024-11-24 02:02:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2024-11-24 02:02:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2024-11-24 02:02:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#17 [2024-11-24 02:02:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#18 [2024-11-24 02:02:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#19 [2024-11-24 02:02:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#20 [2024-11-24 02:02:12,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#21 [2024-11-24 02:02:12,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#22 [2024-11-24 02:02:12,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#23 [2024-11-24 02:02:12,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-24 02:02:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2024-11-24 02:02:12,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2024-11-24 02:02:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2024-11-24 02:02:12,625 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-24 02:02:12,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2024-11-24 02:02:12,625 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2024-11-24 02:02:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2024-11-24 02:02:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2024-11-24 02:02:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2024-11-24 02:02:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh_held [2024-11-24 02:02:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh_held [2024-11-24 02:02:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_destroy [2024-11-24 02:02:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_destroy [2024-11-24 02:02:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2024-11-24 02:02:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2024-11-24 02:02:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2024-11-24 02:02:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2024-11-24 02:02:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-24 02:02:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2024-11-24 02:02:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure instance_hashfn [2024-11-24 02:02:12,626 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_hashfn [2024-11-24 02:02:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 02:02:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 02:02:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 02:02:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 02:02:12,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 02:02:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 02:02:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 02:02:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 02:02:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 02:02:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 02:02:12,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 02:02:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 02:02:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 02:02:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 02:02:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2024-11-24 02:02:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2024-11-24 02:02:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2024-11-24 02:02:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#17 [2024-11-24 02:02:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#18 [2024-11-24 02:02:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#19 [2024-11-24 02:02:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#20 [2024-11-24 02:02:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#21 [2024-11-24 02:02:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#22 [2024-11-24 02:02:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#23 [2024-11-24 02:02:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_flush [2024-11-24 02:02:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_flush [2024-11-24 02:02:12,629 INFO L130 BoogieDeclarations]: Found specification of procedure get_next [2024-11-24 02:02:12,629 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next [2024-11-24 02:02:13,626 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:02:13,633 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:02:13,719 INFO L727 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2024-11-24 02:02:20,911 INFO L? ?]: Removed 1552 outVars from TransFormulas that were not future-live. [2024-11-24 02:02:20,911 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:02:20,976 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:02:20,980 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 02:02:20,981 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:02:20 BoogieIcfgContainer [2024-11-24 02:02:20,981 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:02:20,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:02:20,986 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:02:20,992 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:02:20,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:02:06" (1/3) ... [2024-11-24 02:02:20,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29837c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:02:20, skipping insertion in model container [2024-11-24 02:02:20,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:02:11" (2/3) ... [2024-11-24 02:02:20,995 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29837c7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:02:20, skipping insertion in model container [2024-11-24 02:02:20,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:02:20" (3/3) ... [2024-11-24 02:02:20,997 INFO L128 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2024-11-24 02:02:21,022 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:02:21,026 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i that has 86 procedures, 1132 locations, 1 initial locations, 1 loop locations, and 32 error locations. [2024-11-24 02:02:21,170 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:02:21,188 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@5672a256, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:02:21,188 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-11-24 02:02:21,200 INFO L276 IsEmpty]: Start isEmpty. Operand has 1131 states, 751 states have (on average 1.2490013315579227) internal successors, (938), 808 states have internal predecessors, (938), 263 states have call successors, (263), 85 states have call predecessors, (263), 84 states have return successors, (258), 254 states have call predecessors, (258), 258 states have call successors, (258) [2024-11-24 02:02:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-24 02:02:21,212 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:21,213 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:21,214 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:21,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:21,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1694937137, now seen corresponding path program 1 times [2024-11-24 02:02:21,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:21,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531479894] [2024-11-24 02:02:21,229 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:21,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:02:23,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:23,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531479894] [2024-11-24 02:02:23,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531479894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:23,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:23,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:23,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757091447] [2024-11-24 02:02:23,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:23,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:23,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:23,546 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:23,546 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:23,550 INFO L87 Difference]: Start difference. First operand has 1131 states, 751 states have (on average 1.2490013315579227) internal successors, (938), 808 states have internal predecessors, (938), 263 states have call successors, (263), 85 states have call predecessors, (263), 84 states have return successors, (258), 254 states have call predecessors, (258), 258 states have call successors, (258) Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 02:02:23,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:23,874 INFO L93 Difference]: Finished difference Result 2227 states and 2963 transitions. [2024-11-24 02:02:23,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:23,879 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 70 [2024-11-24 02:02:23,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:23,910 INFO L225 Difference]: With dead ends: 2227 [2024-11-24 02:02:23,911 INFO L226 Difference]: Without dead ends: 1105 [2024-11-24 02:02:23,927 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:23,930 INFO L435 NwaCegarLoop]: 1405 mSDtfsCounter, 1373 mSDsluCounter, 1404 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1373 SdHoareTripleChecker+Valid, 2809 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:23,931 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1373 Valid, 2809 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:23,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2024-11-24 02:02:24,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1105. [2024-11-24 02:02:24,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 734 states have (on average 1.1920980926430518) internal successors, (875), 785 states have internal predecessors, (875), 258 states have call successors, (258), 84 states have call predecessors, (258), 83 states have return successors, (256), 252 states have call predecessors, (256), 256 states have call successors, (256) [2024-11-24 02:02:24,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1389 transitions. [2024-11-24 02:02:24,130 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1389 transitions. Word has length 70 [2024-11-24 02:02:24,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:24,132 INFO L471 AbstractCegarLoop]: Abstraction has 1105 states and 1389 transitions. [2024-11-24 02:02:24,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-24 02:02:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1389 transitions. [2024-11-24 02:02:24,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-24 02:02:24,136 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:24,136 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:24,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 02:02:24,139 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:24,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:24,140 INFO L85 PathProgramCache]: Analyzing trace with hash -212190790, now seen corresponding path program 1 times [2024-11-24 02:02:24,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:24,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913358784] [2024-11-24 02:02:24,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:24,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:25,654 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:02:25,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:25,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913358784] [2024-11-24 02:02:25,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913358784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:25,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:25,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:25,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633806109] [2024-11-24 02:02:25,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:25,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:25,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:25,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:25,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:25,660 INFO L87 Difference]: Start difference. First operand 1105 states and 1389 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-24 02:02:25,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:25,865 INFO L93 Difference]: Finished difference Result 1105 states and 1389 transitions. [2024-11-24 02:02:25,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:25,865 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 76 [2024-11-24 02:02:25,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:25,877 INFO L225 Difference]: With dead ends: 1105 [2024-11-24 02:02:25,877 INFO L226 Difference]: Without dead ends: 1103 [2024-11-24 02:02:25,879 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:25,880 INFO L435 NwaCegarLoop]: 1385 mSDtfsCounter, 1352 mSDsluCounter, 1384 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1352 SdHoareTripleChecker+Valid, 2769 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:25,881 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1352 Valid, 2769 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:25,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2024-11-24 02:02:25,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 1103. [2024-11-24 02:02:25,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1103 states, 733 states have (on average 1.1909959072305594) internal successors, (873), 783 states have internal predecessors, (873), 258 states have call successors, (258), 84 states have call predecessors, (258), 83 states have return successors, (256), 252 states have call predecessors, (256), 256 states have call successors, (256) [2024-11-24 02:02:26,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1387 transitions. [2024-11-24 02:02:26,010 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1387 transitions. Word has length 76 [2024-11-24 02:02:26,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:26,012 INFO L471 AbstractCegarLoop]: Abstraction has 1103 states and 1387 transitions. [2024-11-24 02:02:26,013 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-24 02:02:26,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1387 transitions. [2024-11-24 02:02:26,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-24 02:02:26,021 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:26,021 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:26,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 02:02:26,021 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:26,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:26,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1785666772, now seen corresponding path program 1 times [2024-11-24 02:02:26,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:26,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109092382] [2024-11-24 02:02:26,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:26,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:27,472 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:02:27,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:27,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109092382] [2024-11-24 02:02:27,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109092382] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:27,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:27,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:27,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768605382] [2024-11-24 02:02:27,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:27,473 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:27,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:27,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:27,474 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:27,474 INFO L87 Difference]: Start difference. First operand 1103 states and 1387 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 02:02:27,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:27,682 INFO L93 Difference]: Finished difference Result 1103 states and 1387 transitions. [2024-11-24 02:02:27,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:27,683 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 82 [2024-11-24 02:02:27,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:27,695 INFO L225 Difference]: With dead ends: 1103 [2024-11-24 02:02:27,696 INFO L226 Difference]: Without dead ends: 1101 [2024-11-24 02:02:27,696 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:27,697 INFO L435 NwaCegarLoop]: 1383 mSDtfsCounter, 1349 mSDsluCounter, 1382 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1349 SdHoareTripleChecker+Valid, 2765 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:27,698 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1349 Valid, 2765 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:27,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1101 states. [2024-11-24 02:02:27,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1101 to 1101. [2024-11-24 02:02:27,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1101 states, 732 states have (on average 1.1898907103825136) internal successors, (871), 781 states have internal predecessors, (871), 258 states have call successors, (258), 84 states have call predecessors, (258), 83 states have return successors, (256), 252 states have call predecessors, (256), 256 states have call successors, (256) [2024-11-24 02:02:27,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 1101 states and 1385 transitions. [2024-11-24 02:02:27,817 INFO L78 Accepts]: Start accepts. Automaton has 1101 states and 1385 transitions. Word has length 82 [2024-11-24 02:02:27,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:27,819 INFO L471 AbstractCegarLoop]: Abstraction has 1101 states and 1385 transitions. [2024-11-24 02:02:27,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-24 02:02:27,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1101 states and 1385 transitions. [2024-11-24 02:02:27,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-24 02:02:27,824 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:27,824 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-24 02:02:27,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 02:02:27,825 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting nfnl_log_pernetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:27,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:27,827 INFO L85 PathProgramCache]: Analyzing trace with hash 537420069, now seen corresponding path program 1 times [2024-11-24 02:02:27,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:27,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929657849] [2024-11-24 02:02:27,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:27,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:29,542 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-11-24 02:02:29,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:29,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929657849] [2024-11-24 02:02:29,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929657849] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:29,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:29,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:02:29,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469775255] [2024-11-24 02:02:29,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:29,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:02:29,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:29,544 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:02:29,544 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:29,545 INFO L87 Difference]: Start difference. First operand 1101 states and 1385 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 02:02:33,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:02:35,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:35,496 INFO L93 Difference]: Finished difference Result 1820 states and 2248 transitions. [2024-11-24 02:02:35,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:02:35,496 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 97 [2024-11-24 02:02:35,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:35,517 INFO L225 Difference]: With dead ends: 1820 [2024-11-24 02:02:35,517 INFO L226 Difference]: Without dead ends: 1818 [2024-11-24 02:02:35,519 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:02:35,520 INFO L435 NwaCegarLoop]: 1528 mSDtfsCounter, 845 mSDsluCounter, 4070 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 845 SdHoareTripleChecker+Valid, 5598 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:35,521 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [845 Valid, 5598 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 364 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2024-11-24 02:02:35,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2024-11-24 02:02:35,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1623. [2024-11-24 02:02:35,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1623 states, 1078 states have (on average 1.1781076066790352) internal successors, (1270), 1143 states have internal predecessors, (1270), 385 states have call successors, (385), 134 states have call predecessors, (385), 132 states have return successors, (385), 370 states have call predecessors, (385), 383 states have call successors, (385) [2024-11-24 02:02:35,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1623 states to 1623 states and 2040 transitions. [2024-11-24 02:02:35,676 INFO L78 Accepts]: Start accepts. Automaton has 1623 states and 2040 transitions. Word has length 97 [2024-11-24 02:02:35,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:35,677 INFO L471 AbstractCegarLoop]: Abstraction has 1623 states and 2040 transitions. [2024-11-24 02:02:35,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-24 02:02:35,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1623 states and 2040 transitions. [2024-11-24 02:02:35,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-24 02:02:35,679 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:35,679 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:35,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 02:02:35,680 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:35,680 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:35,680 INFO L85 PathProgramCache]: Analyzing trace with hash -2046175353, now seen corresponding path program 1 times [2024-11-24 02:02:35,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:35,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778610291] [2024-11-24 02:02:35,681 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:35,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:36,937 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:02:36,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:36,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778610291] [2024-11-24 02:02:36,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778610291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:36,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:36,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:36,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548459200] [2024-11-24 02:02:36,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:36,940 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:36,940 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:36,940 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:36,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:36,941 INFO L87 Difference]: Start difference. First operand 1623 states and 2040 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 02:02:37,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:37,100 INFO L93 Difference]: Finished difference Result 1623 states and 2040 transitions. [2024-11-24 02:02:37,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:37,101 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 88 [2024-11-24 02:02:37,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:37,114 INFO L225 Difference]: With dead ends: 1623 [2024-11-24 02:02:37,114 INFO L226 Difference]: Without dead ends: 1621 [2024-11-24 02:02:37,115 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:37,118 INFO L435 NwaCegarLoop]: 1381 mSDtfsCounter, 1346 mSDsluCounter, 1380 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1346 SdHoareTripleChecker+Valid, 2761 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:37,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1346 Valid, 2761 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:37,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1621 states. [2024-11-24 02:02:37,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1621 to 1621. [2024-11-24 02:02:37,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1621 states, 1077 states have (on average 1.1773444753946147) internal successors, (1268), 1141 states have internal predecessors, (1268), 385 states have call successors, (385), 134 states have call predecessors, (385), 132 states have return successors, (385), 370 states have call predecessors, (385), 383 states have call successors, (385) [2024-11-24 02:02:37,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1621 states to 1621 states and 2038 transitions. [2024-11-24 02:02:37,267 INFO L78 Accepts]: Start accepts. Automaton has 1621 states and 2038 transitions. Word has length 88 [2024-11-24 02:02:37,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:37,269 INFO L471 AbstractCegarLoop]: Abstraction has 1621 states and 2038 transitions. [2024-11-24 02:02:37,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-24 02:02:37,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 2038 transitions. [2024-11-24 02:02:37,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-24 02:02:37,270 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:37,271 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:37,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 02:02:37,273 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:37,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:37,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1330536711, now seen corresponding path program 1 times [2024-11-24 02:02:37,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:37,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670372491] [2024-11-24 02:02:37,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:37,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:38,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:38,569 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:02:38,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:38,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670372491] [2024-11-24 02:02:38,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670372491] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:38,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:38,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:38,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175712193] [2024-11-24 02:02:38,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:38,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:38,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:38,572 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:38,572 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:38,572 INFO L87 Difference]: Start difference. First operand 1621 states and 2038 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-24 02:02:38,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:38,758 INFO L93 Difference]: Finished difference Result 1621 states and 2038 transitions. [2024-11-24 02:02:38,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:38,759 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 94 [2024-11-24 02:02:38,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:38,772 INFO L225 Difference]: With dead ends: 1621 [2024-11-24 02:02:38,773 INFO L226 Difference]: Without dead ends: 1619 [2024-11-24 02:02:38,774 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:38,775 INFO L435 NwaCegarLoop]: 1379 mSDtfsCounter, 1343 mSDsluCounter, 1378 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1343 SdHoareTripleChecker+Valid, 2757 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:38,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1343 Valid, 2757 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:38,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1619 states. [2024-11-24 02:02:38,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1619 to 1619. [2024-11-24 02:02:38,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1619 states, 1076 states have (on average 1.1765799256505576) internal successors, (1266), 1139 states have internal predecessors, (1266), 385 states have call successors, (385), 134 states have call predecessors, (385), 132 states have return successors, (385), 370 states have call predecessors, (385), 383 states have call successors, (385) [2024-11-24 02:02:38,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1619 states to 1619 states and 2036 transitions. [2024-11-24 02:02:38,938 INFO L78 Accepts]: Start accepts. Automaton has 1619 states and 2036 transitions. Word has length 94 [2024-11-24 02:02:38,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:38,939 INFO L471 AbstractCegarLoop]: Abstraction has 1619 states and 2036 transitions. [2024-11-24 02:02:38,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-24 02:02:38,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 2036 transitions. [2024-11-24 02:02:38,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-24 02:02:38,942 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:38,942 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:38,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 02:02:38,942 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:38,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:38,943 INFO L85 PathProgramCache]: Analyzing trace with hash -655653378, now seen corresponding path program 1 times [2024-11-24 02:02:38,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:38,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839848829] [2024-11-24 02:02:38,943 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:38,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:40,016 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:02:40,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:40,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839848829] [2024-11-24 02:02:40,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839848829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:40,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:40,016 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:40,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892332031] [2024-11-24 02:02:40,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:40,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:40,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:40,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:40,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:40,018 INFO L87 Difference]: Start difference. First operand 1619 states and 2036 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 02:02:40,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:40,218 INFO L93 Difference]: Finished difference Result 1619 states and 2036 transitions. [2024-11-24 02:02:40,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:40,219 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 100 [2024-11-24 02:02:40,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:40,231 INFO L225 Difference]: With dead ends: 1619 [2024-11-24 02:02:40,231 INFO L226 Difference]: Without dead ends: 1617 [2024-11-24 02:02:40,232 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:40,233 INFO L435 NwaCegarLoop]: 1377 mSDtfsCounter, 1340 mSDsluCounter, 1376 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1340 SdHoareTripleChecker+Valid, 2753 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:40,233 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1340 Valid, 2753 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:40,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1617 states. [2024-11-24 02:02:40,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1617 to 1617. [2024-11-24 02:02:40,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1617 states, 1075 states have (on average 1.175813953488372) internal successors, (1264), 1137 states have internal predecessors, (1264), 385 states have call successors, (385), 134 states have call predecessors, (385), 132 states have return successors, (385), 370 states have call predecessors, (385), 383 states have call successors, (385) [2024-11-24 02:02:40,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1617 states to 1617 states and 2034 transitions. [2024-11-24 02:02:40,425 INFO L78 Accepts]: Start accepts. Automaton has 1617 states and 2034 transitions. Word has length 100 [2024-11-24 02:02:40,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:40,425 INFO L471 AbstractCegarLoop]: Abstraction has 1617 states and 2034 transitions. [2024-11-24 02:02:40,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 02:02:40,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 2034 transitions. [2024-11-24 02:02:40,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-24 02:02:40,428 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:40,428 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:40,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 02:02:40,429 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:40,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:40,432 INFO L85 PathProgramCache]: Analyzing trace with hash 938138372, now seen corresponding path program 1 times [2024-11-24 02:02:40,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:40,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207659437] [2024-11-24 02:02:40,433 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:40,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:41,564 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:02:41,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:41,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207659437] [2024-11-24 02:02:41,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207659437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:41,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:41,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:41,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210016279] [2024-11-24 02:02:41,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:41,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:41,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:41,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:41,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:41,566 INFO L87 Difference]: Start difference. First operand 1617 states and 2034 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 02:02:41,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:41,762 INFO L93 Difference]: Finished difference Result 1617 states and 2034 transitions. [2024-11-24 02:02:41,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:41,763 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 106 [2024-11-24 02:02:41,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:41,776 INFO L225 Difference]: With dead ends: 1617 [2024-11-24 02:02:41,776 INFO L226 Difference]: Without dead ends: 1615 [2024-11-24 02:02:41,778 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:41,778 INFO L435 NwaCegarLoop]: 1375 mSDtfsCounter, 1337 mSDsluCounter, 1374 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1337 SdHoareTripleChecker+Valid, 2749 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:41,778 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1337 Valid, 2749 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:41,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1615 states. [2024-11-24 02:02:41,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1615 to 1615. [2024-11-24 02:02:41,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1615 states, 1074 states have (on average 1.175046554934823) internal successors, (1262), 1135 states have internal predecessors, (1262), 385 states have call successors, (385), 134 states have call predecessors, (385), 132 states have return successors, (385), 370 states have call predecessors, (385), 383 states have call successors, (385) [2024-11-24 02:02:41,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1615 states to 1615 states and 2032 transitions. [2024-11-24 02:02:41,941 INFO L78 Accepts]: Start accepts. Automaton has 1615 states and 2032 transitions. Word has length 106 [2024-11-24 02:02:41,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:41,942 INFO L471 AbstractCegarLoop]: Abstraction has 1615 states and 2032 transitions. [2024-11-24 02:02:41,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-24 02:02:41,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 2032 transitions. [2024-11-24 02:02:41,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-24 02:02:41,948 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:41,948 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 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] [2024-11-24 02:02:41,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 02:02:41,948 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:41,948 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:41,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1301893827, now seen corresponding path program 1 times [2024-11-24 02:02:41,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:41,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047738160] [2024-11-24 02:02:41,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:41,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:43,334 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2024-11-24 02:02:43,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:43,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047738160] [2024-11-24 02:02:43,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047738160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:43,335 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:43,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:02:43,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590609433] [2024-11-24 02:02:43,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:43,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:02:43,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:43,337 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:02:43,337 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:43,338 INFO L87 Difference]: Start difference. First operand 1615 states and 2032 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 02:02:43,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:43,656 INFO L93 Difference]: Finished difference Result 1795 states and 2230 transitions. [2024-11-24 02:02:43,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:02:43,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2024-11-24 02:02:43,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:43,669 INFO L225 Difference]: With dead ends: 1795 [2024-11-24 02:02:43,669 INFO L226 Difference]: Without dead ends: 1793 [2024-11-24 02:02:43,671 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:02:43,672 INFO L435 NwaCegarLoop]: 1510 mSDtfsCounter, 1185 mSDsluCounter, 3376 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1186 SdHoareTripleChecker+Valid, 4886 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:43,673 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1186 Valid, 4886 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:02:43,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2024-11-24 02:02:43,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1781. [2024-11-24 02:02:43,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1781 states, 1191 states have (on average 1.1771620486985725) internal successors, (1402), 1252 states have internal predecessors, (1402), 410 states have call successors, (410), 158 states have call predecessors, (410), 156 states have return successors, (410), 395 states have call predecessors, (410), 408 states have call successors, (410) [2024-11-24 02:02:43,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1781 states and 2222 transitions. [2024-11-24 02:02:43,838 INFO L78 Accepts]: Start accepts. Automaton has 1781 states and 2222 transitions. Word has length 118 [2024-11-24 02:02:43,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:43,839 INFO L471 AbstractCegarLoop]: Abstraction has 1781 states and 2222 transitions. [2024-11-24 02:02:43,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 02:02:43,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1781 states and 2222 transitions. [2024-11-24 02:02:43,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-11-24 02:02:43,842 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:43,842 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:43,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 02:02:43,843 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:43,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:43,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1949567888, now seen corresponding path program 1 times [2024-11-24 02:02:43,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:43,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149399854] [2024-11-24 02:02:43,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:43,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:44,920 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:02:44,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:44,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [149399854] [2024-11-24 02:02:44,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [149399854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:44,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:44,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:44,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384293119] [2024-11-24 02:02:44,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:44,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:44,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:44,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:44,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:44,924 INFO L87 Difference]: Start difference. First operand 1781 states and 2222 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-24 02:02:45,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:45,135 INFO L93 Difference]: Finished difference Result 1781 states and 2222 transitions. [2024-11-24 02:02:45,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:45,136 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 112 [2024-11-24 02:02:45,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:45,148 INFO L225 Difference]: With dead ends: 1781 [2024-11-24 02:02:45,149 INFO L226 Difference]: Without dead ends: 1779 [2024-11-24 02:02:45,151 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:45,154 INFO L435 NwaCegarLoop]: 1373 mSDtfsCounter, 1334 mSDsluCounter, 1372 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1334 SdHoareTripleChecker+Valid, 2745 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:45,155 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1334 Valid, 2745 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:45,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1779 states. [2024-11-24 02:02:45,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1779 to 1779. [2024-11-24 02:02:45,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1779 states, 1190 states have (on average 1.1764705882352942) internal successors, (1400), 1250 states have internal predecessors, (1400), 410 states have call successors, (410), 158 states have call predecessors, (410), 156 states have return successors, (410), 395 states have call predecessors, (410), 408 states have call successors, (410) [2024-11-24 02:02:45,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2220 transitions. [2024-11-24 02:02:45,339 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2220 transitions. Word has length 112 [2024-11-24 02:02:45,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:45,340 INFO L471 AbstractCegarLoop]: Abstraction has 1779 states and 2220 transitions. [2024-11-24 02:02:45,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-24 02:02:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2220 transitions. [2024-11-24 02:02:45,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 02:02:45,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:45,345 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 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] [2024-11-24 02:02:45,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 02:02:45,345 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting rcu_read_unlock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:45,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:45,346 INFO L85 PathProgramCache]: Analyzing trace with hash 2057385191, now seen corresponding path program 1 times [2024-11-24 02:02:45,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:45,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965184102] [2024-11-24 02:02:45,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:45,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:46,941 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2024-11-24 02:02:46,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:46,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1965184102] [2024-11-24 02:02:46,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1965184102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:02:46,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103834259] [2024-11-24 02:02:46,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:46,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:02:46,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:02:46,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:02:46,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 02:02:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:48,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 1634 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:02:48,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:02:48,983 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-24 02:02:48,986 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:02:48,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103834259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:48,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:02:48,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-11-24 02:02:48,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33558647] [2024-11-24 02:02:48,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:48,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:02:48,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:48,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:02:48,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:02:48,992 INFO L87 Difference]: Start difference. First operand 1779 states and 2220 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-24 02:02:49,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:49,730 INFO L93 Difference]: Finished difference Result 3391 states and 4201 transitions. [2024-11-24 02:02:49,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:02:49,731 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 134 [2024-11-24 02:02:49,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:49,747 INFO L225 Difference]: With dead ends: 3391 [2024-11-24 02:02:49,747 INFO L226 Difference]: Without dead ends: 1787 [2024-11-24 02:02:49,754 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:02:49,755 INFO L435 NwaCegarLoop]: 1353 mSDtfsCounter, 36 mSDsluCounter, 3965 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 5318 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:49,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 5318 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 02:02:49,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2024-11-24 02:02:49,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1785. [2024-11-24 02:02:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1785 states, 1194 states have (on average 1.1758793969849246) internal successors, (1404), 1254 states have internal predecessors, (1404), 412 states have call successors, (412), 158 states have call predecessors, (412), 156 states have return successors, (412), 397 states have call predecessors, (412), 410 states have call successors, (412) [2024-11-24 02:02:49,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1785 states to 1785 states and 2228 transitions. [2024-11-24 02:02:49,990 INFO L78 Accepts]: Start accepts. Automaton has 1785 states and 2228 transitions. Word has length 134 [2024-11-24 02:02:49,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:49,991 INFO L471 AbstractCegarLoop]: Abstraction has 1785 states and 2228 transitions. [2024-11-24 02:02:49,991 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-24 02:02:49,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 2228 transitions. [2024-11-24 02:02:49,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-24 02:02:49,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:49,993 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:50,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 02:02:50,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-24 02:02:50,195 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:50,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:50,195 INFO L85 PathProgramCache]: Analyzing trace with hash -928854477, now seen corresponding path program 1 times [2024-11-24 02:02:50,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:50,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427880412] [2024-11-24 02:02:50,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:50,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:50,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:51,143 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:02:51,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:51,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427880412] [2024-11-24 02:02:51,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427880412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:51,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:51,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:51,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [566150491] [2024-11-24 02:02:51,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:51,145 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:51,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:51,145 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:51,145 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:51,146 INFO L87 Difference]: Start difference. First operand 1785 states and 2228 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-24 02:02:51,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:51,379 INFO L93 Difference]: Finished difference Result 1785 states and 2228 transitions. [2024-11-24 02:02:51,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:51,380 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 114 [2024-11-24 02:02:51,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:51,391 INFO L225 Difference]: With dead ends: 1785 [2024-11-24 02:02:51,391 INFO L226 Difference]: Without dead ends: 1783 [2024-11-24 02:02:51,392 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:51,393 INFO L435 NwaCegarLoop]: 1371 mSDtfsCounter, 1330 mSDsluCounter, 1370 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1330 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:51,394 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1330 Valid, 2741 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:51,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1783 states. [2024-11-24 02:02:51,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1783 to 1783. [2024-11-24 02:02:51,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1783 states, 1193 states have (on average 1.1751886001676446) internal successors, (1402), 1252 states have internal predecessors, (1402), 412 states have call successors, (412), 158 states have call predecessors, (412), 156 states have return successors, (412), 397 states have call predecessors, (412), 410 states have call successors, (412) [2024-11-24 02:02:51,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1783 states and 2226 transitions. [2024-11-24 02:02:51,578 INFO L78 Accepts]: Start accepts. Automaton has 1783 states and 2226 transitions. Word has length 114 [2024-11-24 02:02:51,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:51,579 INFO L471 AbstractCegarLoop]: Abstraction has 1783 states and 2226 transitions. [2024-11-24 02:02:51,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-24 02:02:51,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1783 states and 2226 transitions. [2024-11-24 02:02:51,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-24 02:02:51,582 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:51,582 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:51,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 02:02:51,583 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:51,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:51,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1583616336, now seen corresponding path program 1 times [2024-11-24 02:02:51,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:51,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770711124] [2024-11-24 02:02:51,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:51,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:52,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:02:52,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:52,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770711124] [2024-11-24 02:02:52,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770711124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:52,853 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:52,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:52,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019781845] [2024-11-24 02:02:52,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:52,853 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:52,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:52,854 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:52,854 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:52,854 INFO L87 Difference]: Start difference. First operand 1783 states and 2226 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 02:02:53,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:53,181 INFO L93 Difference]: Finished difference Result 2692 states and 3298 transitions. [2024-11-24 02:02:53,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:53,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 120 [2024-11-24 02:02:53,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:53,196 INFO L225 Difference]: With dead ends: 2692 [2024-11-24 02:02:53,196 INFO L226 Difference]: Without dead ends: 2690 [2024-11-24 02:02:53,198 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:53,199 INFO L435 NwaCegarLoop]: 1391 mSDtfsCounter, 1328 mSDsluCounter, 2273 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1328 SdHoareTripleChecker+Valid, 3664 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:53,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1328 Valid, 3664 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:53,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2024-11-24 02:02:53,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2645. [2024-11-24 02:02:53,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2645 states, 1797 states have (on average 1.1786310517529215) internal successors, (2118), 1864 states have internal predecessors, (2118), 577 states have call successors, (577), 251 states have call predecessors, (577), 249 states have return successors, (577), 561 states have call predecessors, (577), 575 states have call successors, (577) [2024-11-24 02:02:53,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2645 states to 2645 states and 3272 transitions. [2024-11-24 02:02:53,463 INFO L78 Accepts]: Start accepts. Automaton has 2645 states and 3272 transitions. Word has length 120 [2024-11-24 02:02:53,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:53,464 INFO L471 AbstractCegarLoop]: Abstraction has 2645 states and 3272 transitions. [2024-11-24 02:02:53,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-24 02:02:53,465 INFO L276 IsEmpty]: Start isEmpty. Operand 2645 states and 3272 transitions. [2024-11-24 02:02:53,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 02:02:53,467 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:53,468 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:53,468 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 02:02:53,468 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:53,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:53,469 INFO L85 PathProgramCache]: Analyzing trace with hash -980630241, now seen corresponding path program 1 times [2024-11-24 02:02:53,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:53,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746817620] [2024-11-24 02:02:53,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:53,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:54,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:54,436 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:02:54,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:54,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746817620] [2024-11-24 02:02:54,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746817620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:54,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:54,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:54,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377024831] [2024-11-24 02:02:54,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:54,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:54,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:54,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:54,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:54,438 INFO L87 Difference]: Start difference. First operand 2645 states and 3272 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:02:54,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:54,885 INFO L93 Difference]: Finished difference Result 3763 states and 4591 transitions. [2024-11-24 02:02:54,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:54,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 126 [2024-11-24 02:02:54,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:54,905 INFO L225 Difference]: With dead ends: 3763 [2024-11-24 02:02:54,906 INFO L226 Difference]: Without dead ends: 3761 [2024-11-24 02:02:54,908 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:54,908 INFO L435 NwaCegarLoop]: 1369 mSDtfsCounter, 847 mSDsluCounter, 2558 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 847 SdHoareTripleChecker+Valid, 3927 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:54,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [847 Valid, 3927 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:54,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3761 states. [2024-11-24 02:02:55,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3761 to 3620. [2024-11-24 02:02:55,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3620 states, 2455 states have (on average 1.169450101832994) internal successors, (2871), 2544 states have internal predecessors, (2871), 790 states have call successors, (790), 356 states have call predecessors, (790), 353 states have return successors, (790), 764 states have call predecessors, (790), 788 states have call successors, (790) [2024-11-24 02:02:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3620 states to 3620 states and 4451 transitions. [2024-11-24 02:02:55,286 INFO L78 Accepts]: Start accepts. Automaton has 3620 states and 4451 transitions. Word has length 126 [2024-11-24 02:02:55,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:55,289 INFO L471 AbstractCegarLoop]: Abstraction has 3620 states and 4451 transitions. [2024-11-24 02:02:55,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:02:55,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3620 states and 4451 transitions. [2024-11-24 02:02:55,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-24 02:02:55,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:55,292 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 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] [2024-11-24 02:02:55,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 02:02:55,292 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:55,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:55,293 INFO L85 PathProgramCache]: Analyzing trace with hash -774233185, now seen corresponding path program 1 times [2024-11-24 02:02:55,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:55,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494930463] [2024-11-24 02:02:55,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:55,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:56,248 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-24 02:02:56,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:56,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494930463] [2024-11-24 02:02:56,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494930463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:56,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:56,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:02:56,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617188058] [2024-11-24 02:02:56,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:56,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:02:56,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:56,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:02:56,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:02:56,253 INFO L87 Difference]: Start difference. First operand 3620 states and 4451 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:02:56,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:56,696 INFO L93 Difference]: Finished difference Result 6377 states and 7820 transitions. [2024-11-24 02:02:56,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:02:56,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2024-11-24 02:02:56,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:56,730 INFO L225 Difference]: With dead ends: 6377 [2024-11-24 02:02:56,730 INFO L226 Difference]: Without dead ends: 3631 [2024-11-24 02:02:56,743 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:02:56,744 INFO L435 NwaCegarLoop]: 1370 mSDtfsCounter, 13 mSDsluCounter, 1366 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 2736 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:56,744 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 2736 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:02:56,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3631 states. [2024-11-24 02:02:57,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3631 to 3621. [2024-11-24 02:02:57,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3621 states, 2456 states have (on average 1.1693811074918568) internal successors, (2872), 2545 states have internal predecessors, (2872), 790 states have call successors, (790), 356 states have call predecessors, (790), 353 states have return successors, (790), 764 states have call predecessors, (790), 788 states have call successors, (790) [2024-11-24 02:02:57,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3621 states to 3621 states and 4452 transitions. [2024-11-24 02:02:57,129 INFO L78 Accepts]: Start accepts. Automaton has 3621 states and 4452 transitions. Word has length 141 [2024-11-24 02:02:57,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:57,129 INFO L471 AbstractCegarLoop]: Abstraction has 3621 states and 4452 transitions. [2024-11-24 02:02:57,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:02:57,129 INFO L276 IsEmpty]: Start isEmpty. Operand 3621 states and 4452 transitions. [2024-11-24 02:02:57,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 02:02:57,132 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:57,132 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:02:57,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 02:02:57,132 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:57,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:57,133 INFO L85 PathProgramCache]: Analyzing trace with hash 479756796, now seen corresponding path program 1 times [2024-11-24 02:02:57,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:57,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349354599] [2024-11-24 02:02:57,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:57,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:58,063 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:02:58,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:58,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349354599] [2024-11-24 02:02:58,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349354599] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:02:58,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:02:58,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:02:58,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343104318] [2024-11-24 02:02:58,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:02:58,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:02:58,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:02:58,066 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:02:58,066 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:02:58,066 INFO L87 Difference]: Start difference. First operand 3621 states and 4452 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 02:02:58,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:02:58,449 INFO L93 Difference]: Finished difference Result 3621 states and 4452 transitions. [2024-11-24 02:02:58,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:02:58,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 132 [2024-11-24 02:02:58,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:02:58,485 INFO L225 Difference]: With dead ends: 3621 [2024-11-24 02:02:58,485 INFO L226 Difference]: Without dead ends: 3619 [2024-11-24 02:02:58,487 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:02:58,489 INFO L435 NwaCegarLoop]: 1368 mSDtfsCounter, 1327 mSDsluCounter, 1367 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1327 SdHoareTripleChecker+Valid, 2735 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:02:58,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1327 Valid, 2735 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:02:58,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3619 states. [2024-11-24 02:02:58,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3619 to 3619. [2024-11-24 02:02:58,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3619 states, 2455 states have (on average 1.1686354378818737) internal successors, (2869), 2543 states have internal predecessors, (2869), 790 states have call successors, (790), 356 states have call predecessors, (790), 353 states have return successors, (790), 764 states have call predecessors, (790), 788 states have call successors, (790) [2024-11-24 02:02:58,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 3619 states and 4449 transitions. [2024-11-24 02:02:58,849 INFO L78 Accepts]: Start accepts. Automaton has 3619 states and 4449 transitions. Word has length 132 [2024-11-24 02:02:58,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:02:58,849 INFO L471 AbstractCegarLoop]: Abstraction has 3619 states and 4449 transitions. [2024-11-24 02:02:58,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 02:02:58,850 INFO L276 IsEmpty]: Start isEmpty. Operand 3619 states and 4449 transitions. [2024-11-24 02:02:58,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-24 02:02:58,853 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:02:58,854 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 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] [2024-11-24 02:02:58,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 02:02:58,854 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:02:58,855 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:02:58,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1746001143, now seen corresponding path program 1 times [2024-11-24 02:02:58,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:02:58,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136420624] [2024-11-24 02:02:58,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:58,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:02:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:02:59,590 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-24 02:02:59,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:02:59,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136420624] [2024-11-24 02:02:59,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136420624] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:02:59,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648293054] [2024-11-24 02:02:59,591 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:02:59,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:02:59,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:02:59,594 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:02:59,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 02:03:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:01,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 1733 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 02:03:01,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:01,548 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-24 02:03:01,549 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:03:02,070 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-24 02:03:02,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648293054] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:03:02,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:03:02,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-24 02:03:02,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718327789] [2024-11-24 02:03:02,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:03:02,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:03:02,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:02,074 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:03:02,074 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:03:02,076 INFO L87 Difference]: Start difference. First operand 3619 states and 4449 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:03:02,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:02,801 INFO L93 Difference]: Finished difference Result 6397 states and 7850 transitions. [2024-11-24 02:03:02,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:03:02,801 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 146 [2024-11-24 02:03:02,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:02,822 INFO L225 Difference]: With dead ends: 6397 [2024-11-24 02:03:02,822 INFO L226 Difference]: Without dead ends: 3652 [2024-11-24 02:03:02,831 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 289 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:03:02,832 INFO L435 NwaCegarLoop]: 1369 mSDtfsCounter, 44 mSDsluCounter, 5452 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 6821 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:02,832 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 6821 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:03:02,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3652 states. [2024-11-24 02:03:03,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3652 to 3652. [2024-11-24 02:03:03,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 2485 states have (on average 1.1714285714285715) internal successors, (2911), 2576 states have internal predecessors, (2911), 793 states have call successors, (793), 356 states have call predecessors, (793), 353 states have return successors, (793), 767 states have call predecessors, (793), 791 states have call successors, (793) [2024-11-24 02:03:03,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 4497 transitions. [2024-11-24 02:03:03,183 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 4497 transitions. Word has length 146 [2024-11-24 02:03:03,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:03,184 INFO L471 AbstractCegarLoop]: Abstraction has 3652 states and 4497 transitions. [2024-11-24 02:03:03,184 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:03:03,184 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 4497 transitions. [2024-11-24 02:03:03,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-24 02:03:03,187 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:03,187 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 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] [2024-11-24 02:03:03,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 02:03:03,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-24 02:03:03,388 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:03:03,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:03,389 INFO L85 PathProgramCache]: Analyzing trace with hash -59063233, now seen corresponding path program 1 times [2024-11-24 02:03:03,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:03,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749806087] [2024-11-24 02:03:03,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:03,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:04,222 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-24 02:03:04,223 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:04,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749806087] [2024-11-24 02:03:04,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749806087] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:04,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:04,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:03:04,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546039015] [2024-11-24 02:03:04,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:04,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:03:04,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:04,225 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:03:04,225 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:03:04,226 INFO L87 Difference]: Start difference. First operand 3652 states and 4497 transitions. Second operand has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:03:04,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:04,612 INFO L93 Difference]: Finished difference Result 3696 states and 4529 transitions. [2024-11-24 02:03:04,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:03:04,613 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2024-11-24 02:03:04,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:04,629 INFO L225 Difference]: With dead ends: 3696 [2024-11-24 02:03:04,629 INFO L226 Difference]: Without dead ends: 3694 [2024-11-24 02:03:04,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:04,633 INFO L435 NwaCegarLoop]: 1367 mSDtfsCounter, 851 mSDsluCounter, 2554 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 851 SdHoareTripleChecker+Valid, 3921 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:04,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [851 Valid, 3921 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:03:04,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3694 states. [2024-11-24 02:03:04,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3694 to 3652. [2024-11-24 02:03:04,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 2485 states have (on average 1.1702213279678069) internal successors, (2908), 2576 states have internal predecessors, (2908), 793 states have call successors, (793), 356 states have call predecessors, (793), 353 states have return successors, (793), 767 states have call predecessors, (793), 791 states have call successors, (793) [2024-11-24 02:03:04,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 4494 transitions. [2024-11-24 02:03:04,989 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 4494 transitions. Word has length 147 [2024-11-24 02:03:04,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:04,990 INFO L471 AbstractCegarLoop]: Abstraction has 3652 states and 4494 transitions. [2024-11-24 02:03:04,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:03:04,990 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 4494 transitions. [2024-11-24 02:03:04,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-24 02:03:04,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:04,993 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:04,993 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-24 02:03:04,993 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:03:04,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:04,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1936826497, now seen corresponding path program 1 times [2024-11-24 02:03:04,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:04,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57441645] [2024-11-24 02:03:04,996 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:04,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:05,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:05,947 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:03:05,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:05,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57441645] [2024-11-24 02:03:05,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57441645] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:05,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:05,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:03:05,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839155350] [2024-11-24 02:03:05,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:05,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:03:05,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:05,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:03:05,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:03:05,950 INFO L87 Difference]: Start difference. First operand 3652 states and 4494 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-24 02:03:06,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:06,378 INFO L93 Difference]: Finished difference Result 3985 states and 4846 transitions. [2024-11-24 02:03:06,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:03:06,378 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 138 [2024-11-24 02:03:06,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:06,398 INFO L225 Difference]: With dead ends: 3985 [2024-11-24 02:03:06,398 INFO L226 Difference]: Without dead ends: 3983 [2024-11-24 02:03:06,401 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:06,402 INFO L435 NwaCegarLoop]: 1516 mSDtfsCounter, 781 mSDsluCounter, 2857 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 4373 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:06,402 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 4373 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:03:06,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3983 states. [2024-11-24 02:03:06,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3983 to 3856. [2024-11-24 02:03:06,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3856 states, 2621 states have (on average 1.1617703166730255) internal successors, (3045), 2712 states have internal predecessors, (3045), 833 states have call successors, (833), 384 states have call predecessors, (833), 381 states have return successors, (833), 807 states have call predecessors, (833), 831 states have call successors, (833) [2024-11-24 02:03:06,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3856 states to 3856 states and 4711 transitions. [2024-11-24 02:03:06,831 INFO L78 Accepts]: Start accepts. Automaton has 3856 states and 4711 transitions. Word has length 138 [2024-11-24 02:03:06,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:06,832 INFO L471 AbstractCegarLoop]: Abstraction has 3856 states and 4711 transitions. [2024-11-24 02:03:06,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-24 02:03:06,832 INFO L276 IsEmpty]: Start isEmpty. Operand 3856 states and 4711 transitions. [2024-11-24 02:03:06,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 02:03:06,835 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:06,836 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 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] [2024-11-24 02:03:06,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-24 02:03:06,836 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:03:06,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:06,837 INFO L85 PathProgramCache]: Analyzing trace with hash 1387968024, now seen corresponding path program 1 times [2024-11-24 02:03:06,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:06,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850166287] [2024-11-24 02:03:06,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:06,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:07,863 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-24 02:03:07,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:07,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850166287] [2024-11-24 02:03:07,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850166287] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:07,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:07,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:03:07,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17727500] [2024-11-24 02:03:07,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:07,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:03:07,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:07,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:03:07,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:03:07,865 INFO L87 Difference]: Start difference. First operand 3856 states and 4711 transitions. Second operand has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:03:08,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:08,299 INFO L93 Difference]: Finished difference Result 3856 states and 4711 transitions. [2024-11-24 02:03:08,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:03:08,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 150 [2024-11-24 02:03:08,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:08,315 INFO L225 Difference]: With dead ends: 3856 [2024-11-24 02:03:08,316 INFO L226 Difference]: Without dead ends: 3854 [2024-11-24 02:03:08,317 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:08,320 INFO L435 NwaCegarLoop]: 1366 mSDtfsCounter, 1331 mSDsluCounter, 1365 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1331 SdHoareTripleChecker+Valid, 2731 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:08,321 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1331 Valid, 2731 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:03:08,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3854 states. [2024-11-24 02:03:08,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3854 to 3854. [2024-11-24 02:03:08,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3854 states, 2620 states have (on average 1.1587786259541986) internal successors, (3036), 2710 states have internal predecessors, (3036), 833 states have call successors, (833), 384 states have call predecessors, (833), 381 states have return successors, (833), 807 states have call predecessors, (833), 831 states have call successors, (833) [2024-11-24 02:03:08,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3854 states to 3854 states and 4702 transitions. [2024-11-24 02:03:08,709 INFO L78 Accepts]: Start accepts. Automaton has 3854 states and 4702 transitions. Word has length 150 [2024-11-24 02:03:08,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:08,710 INFO L471 AbstractCegarLoop]: Abstraction has 3854 states and 4702 transitions. [2024-11-24 02:03:08,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.0) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:03:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 3854 states and 4702 transitions. [2024-11-24 02:03:08,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-24 02:03:08,714 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:08,714 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:08,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-24 02:03:08,714 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:03:08,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:08,715 INFO L85 PathProgramCache]: Analyzing trace with hash -267557046, now seen corresponding path program 1 times [2024-11-24 02:03:08,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:08,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270613856] [2024-11-24 02:03:08,715 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:08,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:09,556 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:03:09,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:09,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270613856] [2024-11-24 02:03:09,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270613856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:09,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:09,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:03:09,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862736658] [2024-11-24 02:03:09,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:09,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:03:09,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:09,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:03:09,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:03:09,559 INFO L87 Difference]: Start difference. First operand 3854 states and 4702 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 02:03:10,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:10,182 INFO L93 Difference]: Finished difference Result 3854 states and 4702 transitions. [2024-11-24 02:03:10,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:03:10,183 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 144 [2024-11-24 02:03:10,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:10,201 INFO L225 Difference]: With dead ends: 3854 [2024-11-24 02:03:10,201 INFO L226 Difference]: Without dead ends: 3852 [2024-11-24 02:03:10,204 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:10,206 INFO L435 NwaCegarLoop]: 1364 mSDtfsCounter, 1321 mSDsluCounter, 1363 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1321 SdHoareTripleChecker+Valid, 2727 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:10,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1321 Valid, 2727 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:03:10,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3852 states. [2024-11-24 02:03:10,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3852 to 3852. [2024-11-24 02:03:10,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3852 states, 2619 states have (on average 1.1580756013745706) internal successors, (3033), 2708 states have internal predecessors, (3033), 833 states have call successors, (833), 384 states have call predecessors, (833), 381 states have return successors, (833), 807 states have call predecessors, (833), 831 states have call successors, (833) [2024-11-24 02:03:10,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3852 states to 3852 states and 4699 transitions. [2024-11-24 02:03:10,622 INFO L78 Accepts]: Start accepts. Automaton has 3852 states and 4699 transitions. Word has length 144 [2024-11-24 02:03:10,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:10,622 INFO L471 AbstractCegarLoop]: Abstraction has 3852 states and 4699 transitions. [2024-11-24 02:03:10,623 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-24 02:03:10,623 INFO L276 IsEmpty]: Start isEmpty. Operand 3852 states and 4699 transitions. [2024-11-24 02:03:10,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 02:03:10,626 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:10,626 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 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] [2024-11-24 02:03:10,626 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-11-24 02:03:10,626 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:03:10,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:10,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1309407275, now seen corresponding path program 1 times [2024-11-24 02:03:10,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:10,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201407177] [2024-11-24 02:03:10,628 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:10,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:11,893 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-24 02:03:11,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:11,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201407177] [2024-11-24 02:03:11,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201407177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:11,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:11,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:03:11,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486827864] [2024-11-24 02:03:11,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:11,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:03:11,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:11,895 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:03:11,895 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:03:11,895 INFO L87 Difference]: Start difference. First operand 3852 states and 4699 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:03:12,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:12,395 INFO L93 Difference]: Finished difference Result 6634 states and 8097 transitions. [2024-11-24 02:03:12,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:03:12,396 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 153 [2024-11-24 02:03:12,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:12,415 INFO L225 Difference]: With dead ends: 6634 [2024-11-24 02:03:12,415 INFO L226 Difference]: Without dead ends: 3860 [2024-11-24 02:03:12,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:03:12,428 INFO L435 NwaCegarLoop]: 1365 mSDtfsCounter, 0 mSDsluCounter, 2721 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4086 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:12,428 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4086 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:03:12,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3860 states. [2024-11-24 02:03:12,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3860 to 3860. [2024-11-24 02:03:12,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3860 states, 2627 states have (on average 1.1575942139322422) internal successors, (3041), 2716 states have internal predecessors, (3041), 833 states have call successors, (833), 384 states have call predecessors, (833), 381 states have return successors, (833), 807 states have call predecessors, (833), 831 states have call successors, (833) [2024-11-24 02:03:12,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 4707 transitions. [2024-11-24 02:03:12,804 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 4707 transitions. Word has length 153 [2024-11-24 02:03:12,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:12,805 INFO L471 AbstractCegarLoop]: Abstraction has 3860 states and 4707 transitions. [2024-11-24 02:03:12,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-24 02:03:12,805 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 4707 transitions. [2024-11-24 02:03:12,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-24 02:03:12,808 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:12,809 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 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] [2024-11-24 02:03:12,809 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-11-24 02:03:12,809 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:03:12,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:12,810 INFO L85 PathProgramCache]: Analyzing trace with hash -1397212119, now seen corresponding path program 1 times [2024-11-24 02:03:12,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:12,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041821781] [2024-11-24 02:03:12,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:12,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:15,355 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-24 02:03:15,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:15,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041821781] [2024-11-24 02:03:15,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041821781] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:03:15,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1776617675] [2024-11-24 02:03:15,356 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:15,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:03:15,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:15,358 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:03:15,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 02:03:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:17,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 1773 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 02:03:17,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:18,185 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-24 02:03:18,186 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:03:18,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1776617675] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:18,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:03:18,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2024-11-24 02:03:18,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835972987] [2024-11-24 02:03:18,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:18,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:03:18,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:18,188 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:03:18,188 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:03:18,188 INFO L87 Difference]: Start difference. First operand 3860 states and 4707 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 02:03:22,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:03:26,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:03:34,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:34,679 INFO L93 Difference]: Finished difference Result 3884 states and 4723 transitions. [2024-11-24 02:03:34,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:03:34,680 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 153 [2024-11-24 02:03:34,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:34,702 INFO L225 Difference]: With dead ends: 3884 [2024-11-24 02:03:34,702 INFO L226 Difference]: Without dead ends: 3882 [2024-11-24 02:03:34,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-11-24 02:03:34,705 INFO L435 NwaCegarLoop]: 654 mSDtfsCounter, 1372 mSDsluCounter, 1540 mSDsCounter, 0 mSdLazyCounter, 2562 mSolverCounterSat, 448 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1544 SdHoareTripleChecker+Valid, 2194 SdHoareTripleChecker+Invalid, 3012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 448 IncrementalHoareTripleChecker+Valid, 2562 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.9s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:34,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1544 Valid, 2194 Invalid, 3012 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [448 Valid, 2562 Invalid, 2 Unknown, 0 Unchecked, 15.9s Time] [2024-11-24 02:03:34,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3882 states. [2024-11-24 02:03:35,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3882 to 3882. [2024-11-24 02:03:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3882 states, 2642 states have (on average 1.153671461014383) internal successors, (3048), 2730 states have internal predecessors, (3048), 833 states have call successors, (833), 392 states have call predecessors, (833), 389 states have return successors, (833), 807 states have call predecessors, (833), 831 states have call successors, (833) [2024-11-24 02:03:35,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3882 states to 3882 states and 4714 transitions. [2024-11-24 02:03:35,141 INFO L78 Accepts]: Start accepts. Automaton has 3882 states and 4714 transitions. Word has length 153 [2024-11-24 02:03:35,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:35,142 INFO L471 AbstractCegarLoop]: Abstraction has 3882 states and 4714 transitions. [2024-11-24 02:03:35,142 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2024-11-24 02:03:35,143 INFO L276 IsEmpty]: Start isEmpty. Operand 3882 states and 4714 transitions. [2024-11-24 02:03:35,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-24 02:03:35,146 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:35,146 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 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] [2024-11-24 02:03:35,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-24 02:03:35,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-24 02:03:35,347 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:03:35,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:35,348 INFO L85 PathProgramCache]: Analyzing trace with hash -1813996794, now seen corresponding path program 1 times [2024-11-24 02:03:35,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:35,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420999474] [2024-11-24 02:03:35,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:35,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:35,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-11-24 02:03:36,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:36,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420999474] [2024-11-24 02:03:36,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420999474] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:36,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:36,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:03:36,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840961928] [2024-11-24 02:03:36,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:36,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:03:36,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:36,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:03:36,282 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:03:36,282 INFO L87 Difference]: Start difference. First operand 3882 states and 4714 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:03:36,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:36,713 INFO L93 Difference]: Finished difference Result 3882 states and 4714 transitions. [2024-11-24 02:03:36,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:03:36,714 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2024-11-24 02:03:36,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:36,733 INFO L225 Difference]: With dead ends: 3882 [2024-11-24 02:03:36,733 INFO L226 Difference]: Without dead ends: 3880 [2024-11-24 02:03:36,736 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:36,738 INFO L435 NwaCegarLoop]: 1360 mSDtfsCounter, 1319 mSDsluCounter, 1359 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1319 SdHoareTripleChecker+Valid, 2719 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:36,738 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1319 Valid, 2719 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:03:36,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3880 states. [2024-11-24 02:03:37,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3880 to 3880. [2024-11-24 02:03:37,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3880 states, 2641 states have (on average 1.1507004922377888) internal successors, (3039), 2728 states have internal predecessors, (3039), 833 states have call successors, (833), 392 states have call predecessors, (833), 389 states have return successors, (833), 807 states have call predecessors, (833), 831 states have call successors, (833) [2024-11-24 02:03:37,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3880 states and 4705 transitions. [2024-11-24 02:03:37,158 INFO L78 Accepts]: Start accepts. Automaton has 3880 states and 4705 transitions. Word has length 156 [2024-11-24 02:03:37,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:37,159 INFO L471 AbstractCegarLoop]: Abstraction has 3880 states and 4705 transitions. [2024-11-24 02:03:37,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:03:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 3880 states and 4705 transitions. [2024-11-24 02:03:37,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-24 02:03:37,162 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:37,162 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:37,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-24 02:03:37,163 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:03:37,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:37,163 INFO L85 PathProgramCache]: Analyzing trace with hash -532602029, now seen corresponding path program 1 times [2024-11-24 02:03:37,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:37,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114437807] [2024-11-24 02:03:37,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:37,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:38,043 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:03:38,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:38,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114437807] [2024-11-24 02:03:38,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114437807] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:38,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:38,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:03:38,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123888087] [2024-11-24 02:03:38,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:38,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:03:38,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:38,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:03:38,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:03:38,045 INFO L87 Difference]: Start difference. First operand 3880 states and 4705 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 02:03:38,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:38,488 INFO L93 Difference]: Finished difference Result 3880 states and 4705 transitions. [2024-11-24 02:03:38,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:03:38,488 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 150 [2024-11-24 02:03:38,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:38,507 INFO L225 Difference]: With dead ends: 3880 [2024-11-24 02:03:38,507 INFO L226 Difference]: Without dead ends: 3878 [2024-11-24 02:03:38,511 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:38,512 INFO L435 NwaCegarLoop]: 1359 mSDtfsCounter, 1314 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1314 SdHoareTripleChecker+Valid, 2717 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:38,512 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1314 Valid, 2717 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:03:38,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3878 states. [2024-11-24 02:03:39,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3878 to 3878. [2024-11-24 02:03:39,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3878 states, 2640 states have (on average 1.15) internal successors, (3036), 2726 states have internal predecessors, (3036), 833 states have call successors, (833), 392 states have call predecessors, (833), 389 states have return successors, (833), 807 states have call predecessors, (833), 831 states have call successors, (833) [2024-11-24 02:03:39,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3878 states to 3878 states and 4702 transitions. [2024-11-24 02:03:39,330 INFO L78 Accepts]: Start accepts. Automaton has 3878 states and 4702 transitions. Word has length 150 [2024-11-24 02:03:39,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:39,332 INFO L471 AbstractCegarLoop]: Abstraction has 3878 states and 4702 transitions. [2024-11-24 02:03:39,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-24 02:03:39,332 INFO L276 IsEmpty]: Start isEmpty. Operand 3878 states and 4702 transitions. [2024-11-24 02:03:39,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-11-24 02:03:39,337 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:39,338 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 4, 3, 3, 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] [2024-11-24 02:03:39,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-11-24 02:03:39,338 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:03:39,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:39,339 INFO L85 PathProgramCache]: Analyzing trace with hash 560625695, now seen corresponding path program 2 times [2024-11-24 02:03:39,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:39,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873158999] [2024-11-24 02:03:39,339 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-24 02:03:39,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:40,036 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-24 02:03:40,037 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-24 02:03:40,315 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-11-24 02:03:40,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:40,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873158999] [2024-11-24 02:03:40,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873158999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:40,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:40,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:03:40,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944514261] [2024-11-24 02:03:40,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:40,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:03:40,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:40,317 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:03:40,317 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:40,317 INFO L87 Difference]: Start difference. First operand 3878 states and 4702 transitions. Second operand has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:03:44,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:03:44,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:44,828 INFO L93 Difference]: Finished difference Result 3898 states and 4718 transitions. [2024-11-24 02:03:44,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:03:44,828 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2024-11-24 02:03:44,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:44,846 INFO L225 Difference]: With dead ends: 3898 [2024-11-24 02:03:44,846 INFO L226 Difference]: Without dead ends: 3896 [2024-11-24 02:03:44,848 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:03:44,849 INFO L435 NwaCegarLoop]: 1415 mSDtfsCounter, 349 mSDsluCounter, 4011 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 5426 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:44,849 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 5426 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-24 02:03:44,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3896 states. [2024-11-24 02:03:45,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3896 to 3890. [2024-11-24 02:03:45,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3890 states, 2649 states have (on average 1.1494903737259343) internal successors, (3045), 2735 states have internal predecessors, (3045), 833 states have call successors, (833), 395 states have call predecessors, (833), 392 states have return successors, (833), 807 states have call predecessors, (833), 831 states have call successors, (833) [2024-11-24 02:03:45,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3890 states and 4711 transitions. [2024-11-24 02:03:45,337 INFO L78 Accepts]: Start accepts. Automaton has 3890 states and 4711 transitions. Word has length 161 [2024-11-24 02:03:45,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:45,337 INFO L471 AbstractCegarLoop]: Abstraction has 3890 states and 4711 transitions. [2024-11-24 02:03:45,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.4) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 3 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-24 02:03:45,338 INFO L276 IsEmpty]: Start isEmpty. Operand 3890 states and 4711 transitions. [2024-11-24 02:03:45,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-24 02:03:45,342 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:45,342 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:45,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-24 02:03:45,343 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:03:45,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:45,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1063604773, now seen corresponding path program 1 times [2024-11-24 02:03:45,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:45,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357724470] [2024-11-24 02:03:45,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:45,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:46,474 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:03:46,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:46,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357724470] [2024-11-24 02:03:46,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357724470] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:46,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:46,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:03:46,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029401096] [2024-11-24 02:03:46,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:46,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:03:46,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:46,476 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:03:46,476 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:03:46,476 INFO L87 Difference]: Start difference. First operand 3890 states and 4711 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-24 02:03:46,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:46,940 INFO L93 Difference]: Finished difference Result 3890 states and 4711 transitions. [2024-11-24 02:03:46,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:03:46,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 156 [2024-11-24 02:03:46,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:46,954 INFO L225 Difference]: With dead ends: 3890 [2024-11-24 02:03:46,954 INFO L226 Difference]: Without dead ends: 3888 [2024-11-24 02:03:46,956 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:46,956 INFO L435 NwaCegarLoop]: 1357 mSDtfsCounter, 1311 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 2713 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:46,956 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1311 Valid, 2713 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:03:46,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3888 states. [2024-11-24 02:03:47,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3888 to 3888. [2024-11-24 02:03:47,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3888 states, 2648 states have (on average 1.1487915407854985) internal successors, (3042), 2733 states have internal predecessors, (3042), 833 states have call successors, (833), 395 states have call predecessors, (833), 392 states have return successors, (833), 807 states have call predecessors, (833), 831 states have call successors, (833) [2024-11-24 02:03:47,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3888 states to 3888 states and 4708 transitions. [2024-11-24 02:03:47,424 INFO L78 Accepts]: Start accepts. Automaton has 3888 states and 4708 transitions. Word has length 156 [2024-11-24 02:03:47,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:47,425 INFO L471 AbstractCegarLoop]: Abstraction has 3888 states and 4708 transitions. [2024-11-24 02:03:47,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-24 02:03:47,425 INFO L276 IsEmpty]: Start isEmpty. Operand 3888 states and 4708 transitions. [2024-11-24 02:03:47,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-24 02:03:47,428 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:47,429 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 3, 3, 3, 3, 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] [2024-11-24 02:03:47,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-24 02:03:47,429 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:03:47,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:47,429 INFO L85 PathProgramCache]: Analyzing trace with hash -36728595, now seen corresponding path program 1 times [2024-11-24 02:03:47,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:47,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474507968] [2024-11-24 02:03:47,430 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:47,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:48,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:48,564 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-11-24 02:03:48,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:48,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474507968] [2024-11-24 02:03:48,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474507968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:48,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:48,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:03:48,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987573571] [2024-11-24 02:03:48,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:48,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:03:48,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:48,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:03:48,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:48,566 INFO L87 Difference]: Start difference. First operand 3888 states and 4708 transitions. Second operand has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 02:03:48,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:48,994 INFO L93 Difference]: Finished difference Result 4079 states and 4890 transitions. [2024-11-24 02:03:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:03:48,995 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 180 [2024-11-24 02:03:48,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:49,007 INFO L225 Difference]: With dead ends: 4079 [2024-11-24 02:03:49,007 INFO L226 Difference]: Without dead ends: 4077 [2024-11-24 02:03:49,009 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:03:49,010 INFO L435 NwaCegarLoop]: 1388 mSDtfsCounter, 1182 mSDsluCounter, 2964 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1183 SdHoareTripleChecker+Valid, 4352 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:49,010 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1183 Valid, 4352 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:03:49,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4077 states. [2024-11-24 02:03:49,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4077 to 4075. [2024-11-24 02:03:49,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4075 states, 2787 states have (on average 1.1431646932185144) internal successors, (3186), 2871 states have internal predecessors, (3186), 847 states have call successors, (847), 430 states have call predecessors, (847), 427 states have return successors, (847), 821 states have call predecessors, (847), 845 states have call successors, (847) [2024-11-24 02:03:49,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4075 states to 4075 states and 4880 transitions. [2024-11-24 02:03:49,517 INFO L78 Accepts]: Start accepts. Automaton has 4075 states and 4880 transitions. Word has length 180 [2024-11-24 02:03:49,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:49,518 INFO L471 AbstractCegarLoop]: Abstraction has 4075 states and 4880 transitions. [2024-11-24 02:03:49,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-24 02:03:49,518 INFO L276 IsEmpty]: Start isEmpty. Operand 4075 states and 4880 transitions. [2024-11-24 02:03:49,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-24 02:03:49,522 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:49,522 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:03:49,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-11-24 02:03:49,522 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:03:49,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:49,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1749117368, now seen corresponding path program 1 times [2024-11-24 02:03:49,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:49,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629543853] [2024-11-24 02:03:49,523 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:49,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:50,364 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:03:50,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:50,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629543853] [2024-11-24 02:03:50,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629543853] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:03:50,364 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:03:50,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:03:50,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551539697] [2024-11-24 02:03:50,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:03:50,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:03:50,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:50,366 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:03:50,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:03:50,366 INFO L87 Difference]: Start difference. First operand 4075 states and 4880 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-24 02:03:50,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:03:50,707 INFO L93 Difference]: Finished difference Result 4075 states and 4880 transitions. [2024-11-24 02:03:50,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:03:50,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 162 [2024-11-24 02:03:50,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:03:50,726 INFO L225 Difference]: With dead ends: 4075 [2024-11-24 02:03:50,726 INFO L226 Difference]: Without dead ends: 4073 [2024-11-24 02:03:50,728 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:03:50,729 INFO L435 NwaCegarLoop]: 1353 mSDtfsCounter, 1306 mSDsluCounter, 1352 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1306 SdHoareTripleChecker+Valid, 2705 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:03:50,729 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1306 Valid, 2705 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:03:50,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4073 states. [2024-11-24 02:03:51,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4073 to 4073. [2024-11-24 02:03:51,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4073 states, 2786 states have (on average 1.1424982053122756) internal successors, (3183), 2869 states have internal predecessors, (3183), 847 states have call successors, (847), 430 states have call predecessors, (847), 427 states have return successors, (847), 821 states have call predecessors, (847), 845 states have call successors, (847) [2024-11-24 02:03:51,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4073 states to 4073 states and 4877 transitions. [2024-11-24 02:03:51,252 INFO L78 Accepts]: Start accepts. Automaton has 4073 states and 4877 transitions. Word has length 162 [2024-11-24 02:03:51,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:03:51,253 INFO L471 AbstractCegarLoop]: Abstraction has 4073 states and 4877 transitions. [2024-11-24 02:03:51,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-24 02:03:51,253 INFO L276 IsEmpty]: Start isEmpty. Operand 4073 states and 4877 transitions. [2024-11-24 02:03:51,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-24 02:03:51,256 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:03:51,257 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 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, 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] [2024-11-24 02:03:51,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-24 02:03:51,257 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting nfnl_log_pernetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:03:51,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:03:51,257 INFO L85 PathProgramCache]: Analyzing trace with hash -898589392, now seen corresponding path program 1 times [2024-11-24 02:03:51,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:03:51,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359271275] [2024-11-24 02:03:51,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:51,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:03:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 13 proven. 8 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2024-11-24 02:03:52,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:03:52,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359271275] [2024-11-24 02:03:52,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359271275] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:03:52,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1074973662] [2024-11-24 02:03:52,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:03:52,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:03:52,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:52,648 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:03:52,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-24 02:03:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:03:54,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 1908 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 02:03:54,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:03:55,606 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2024-11-24 02:03:55,606 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:03:56,889 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-11-24 02:03:56,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1074973662] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:03:56,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:03:56,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 14 [2024-11-24 02:03:56,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025237266] [2024-11-24 02:03:56,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:03:56,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-24 02:03:56,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:03:56,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-24 02:03:56,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=131, Unknown=0, NotChecked=0, Total=182 [2024-11-24 02:03:56,892 INFO L87 Difference]: Start difference. First operand 4073 states and 4877 transitions. Second operand has 14 states, 14 states have (on average 10.071428571428571) internal successors, (141), 13 states have internal predecessors, (141), 10 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (47), 10 states have call predecessors, (47), 10 states have call successors, (47) [2024-11-24 02:04:00,921 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:04,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:08,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:12,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:16,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:31,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:31,435 INFO L93 Difference]: Finished difference Result 4199 states and 5009 transitions. [2024-11-24 02:04:31,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 02:04:31,436 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 10.071428571428571) internal successors, (141), 13 states have internal predecessors, (141), 10 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (47), 10 states have call predecessors, (47), 10 states have call successors, (47) Word has length 172 [2024-11-24 02:04:31,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:31,454 INFO L225 Difference]: With dead ends: 4199 [2024-11-24 02:04:31,454 INFO L226 Difference]: Without dead ends: 4197 [2024-11-24 02:04:31,457 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 361 GetRequests, 338 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2024-11-24 02:04:31,457 INFO L435 NwaCegarLoop]: 651 mSDtfsCounter, 3910 mSDsluCounter, 2594 mSDsCounter, 0 mSdLazyCounter, 4645 mSolverCounterSat, 1870 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4199 SdHoareTripleChecker+Valid, 3245 SdHoareTripleChecker+Invalid, 6520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1870 IncrementalHoareTripleChecker+Valid, 4645 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 33.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:31,458 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4199 Valid, 3245 Invalid, 6520 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1870 Valid, 4645 Invalid, 5 Unknown, 0 Unchecked, 33.6s Time] [2024-11-24 02:04:31,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4197 states. [2024-11-24 02:04:32,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4197 to 3994. [2024-11-24 02:04:32,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3994 states, 2733 states have (on average 1.1427003293084523) internal successors, (3123), 2811 states have internal predecessors, (3123), 828 states have call successors, (828), 421 states have call predecessors, (828), 421 states have return successors, (830), 807 states have call predecessors, (830), 826 states have call successors, (830) [2024-11-24 02:04:32,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3994 states to 3994 states and 4781 transitions. [2024-11-24 02:04:32,024 INFO L78 Accepts]: Start accepts. Automaton has 3994 states and 4781 transitions. Word has length 172 [2024-11-24 02:04:32,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:32,025 INFO L471 AbstractCegarLoop]: Abstraction has 3994 states and 4781 transitions. [2024-11-24 02:04:32,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 10.071428571428571) internal successors, (141), 13 states have internal predecessors, (141), 10 states have call successors, (48), 6 states have call predecessors, (48), 6 states have return successors, (47), 10 states have call predecessors, (47), 10 states have call successors, (47) [2024-11-24 02:04:32,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3994 states and 4781 transitions. [2024-11-24 02:04:32,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2024-11-24 02:04:32,028 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:32,028 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:32,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-24 02:04:32,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:04:32,229 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:04:32,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:32,230 INFO L85 PathProgramCache]: Analyzing trace with hash 1506640471, now seen corresponding path program 1 times [2024-11-24 02:04:32,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:32,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223856357] [2024-11-24 02:04:32,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:32,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:32,876 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:04:32,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:32,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223856357] [2024-11-24 02:04:32,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223856357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:32,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:32,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:04:32,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560208109] [2024-11-24 02:04:32,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:32,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:04:32,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:32,878 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:04:32,878 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:04:32,878 INFO L87 Difference]: Start difference. First operand 3994 states and 4781 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-24 02:04:33,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:33,216 INFO L93 Difference]: Finished difference Result 3994 states and 4781 transitions. [2024-11-24 02:04:33,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:04:33,216 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 168 [2024-11-24 02:04:33,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:33,233 INFO L225 Difference]: With dead ends: 3994 [2024-11-24 02:04:33,234 INFO L226 Difference]: Without dead ends: 3992 [2024-11-24 02:04:33,236 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:04:33,236 INFO L435 NwaCegarLoop]: 1349 mSDtfsCounter, 1301 mSDsluCounter, 1348 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1301 SdHoareTripleChecker+Valid, 2697 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:33,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1301 Valid, 2697 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:04:33,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3992 states. [2024-11-24 02:04:33,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3992 to 3992. [2024-11-24 02:04:33,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3992 states, 2732 states have (on average 1.1420204978038067) internal successors, (3120), 2809 states have internal predecessors, (3120), 828 states have call successors, (828), 421 states have call predecessors, (828), 421 states have return successors, (830), 807 states have call predecessors, (830), 826 states have call successors, (830) [2024-11-24 02:04:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3992 states to 3992 states and 4778 transitions. [2024-11-24 02:04:33,843 INFO L78 Accepts]: Start accepts. Automaton has 3992 states and 4778 transitions. Word has length 168 [2024-11-24 02:04:33,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:33,843 INFO L471 AbstractCegarLoop]: Abstraction has 3992 states and 4778 transitions. [2024-11-24 02:04:33,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-24 02:04:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 3992 states and 4778 transitions. [2024-11-24 02:04:33,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2024-11-24 02:04:33,847 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:33,847 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:33,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-11-24 02:04:33,847 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting rcu_read_unlock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:04:33,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:33,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1927270773, now seen corresponding path program 1 times [2024-11-24 02:04:33,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:33,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522969041] [2024-11-24 02:04:33,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:33,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:35,053 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-11-24 02:04:35,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:35,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522969041] [2024-11-24 02:04:35,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522969041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:04:35,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051029488] [2024-11-24 02:04:35,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:35,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:04:35,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:04:35,056 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:04:35,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-24 02:04:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:37,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 1914 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 02:04:37,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:04:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2024-11-24 02:04:38,199 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:04:38,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051029488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:38,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:04:38,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-24 02:04:38,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439041799] [2024-11-24 02:04:38,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:38,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:04:38,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:38,201 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:04:38,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-24 02:04:38,201 INFO L87 Difference]: Start difference. First operand 3992 states and 4778 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 02:04:42,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:46,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:04:50,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:05:03,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:03,768 INFO L93 Difference]: Finished difference Result 4992 states and 5932 transitions. [2024-11-24 02:05:03,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 02:05:03,769 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 194 [2024-11-24 02:05:03,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:03,785 INFO L225 Difference]: With dead ends: 4992 [2024-11-24 02:05:03,785 INFO L226 Difference]: Without dead ends: 4990 [2024-11-24 02:05:03,788 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-11-24 02:05:03,789 INFO L435 NwaCegarLoop]: 852 mSDtfsCounter, 2001 mSDsluCounter, 2323 mSDsCounter, 0 mSdLazyCounter, 4740 mSolverCounterSat, 613 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2237 SdHoareTripleChecker+Valid, 3175 SdHoareTripleChecker+Invalid, 5356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 613 IncrementalHoareTripleChecker+Valid, 4740 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:03,789 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2237 Valid, 3175 Invalid, 5356 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [613 Valid, 4740 Invalid, 3 Unknown, 0 Unchecked, 24.3s Time] [2024-11-24 02:05:03,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4990 states. [2024-11-24 02:05:04,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4990 to 4559. [2024-11-24 02:05:04,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4559 states, 3105 states have (on average 1.1400966183574879) internal successors, (3540), 3197 states have internal predecessors, (3540), 965 states have call successors, (965), 479 states have call predecessors, (965), 479 states have return successors, (967), 936 states have call predecessors, (967), 963 states have call successors, (967) [2024-11-24 02:05:04,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4559 states to 4559 states and 5472 transitions. [2024-11-24 02:05:04,383 INFO L78 Accepts]: Start accepts. Automaton has 4559 states and 5472 transitions. Word has length 194 [2024-11-24 02:05:04,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:04,384 INFO L471 AbstractCegarLoop]: Abstraction has 4559 states and 5472 transitions. [2024-11-24 02:05:04,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 5 states have internal predecessors, (85), 2 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 02:05:04,384 INFO L276 IsEmpty]: Start isEmpty. Operand 4559 states and 5472 transitions. [2024-11-24 02:05:04,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-24 02:05:04,387 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:04,388 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:05:04,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-24 02:05:04,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:05:04,588 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:05:04,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:04,589 INFO L85 PathProgramCache]: Analyzing trace with hash 316935380, now seen corresponding path program 1 times [2024-11-24 02:05:04,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:05:04,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680392334] [2024-11-24 02:05:04,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:04,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:05:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:05,245 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:05:05,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:05:05,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680392334] [2024-11-24 02:05:05,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680392334] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:05,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:05,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:05:05,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875577855] [2024-11-24 02:05:05,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:05,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:05:05,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:05:05,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:05:05,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:05:05,247 INFO L87 Difference]: Start difference. First operand 4559 states and 5472 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-24 02:05:05,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:05,664 INFO L93 Difference]: Finished difference Result 4559 states and 5472 transitions. [2024-11-24 02:05:05,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:05:05,665 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 174 [2024-11-24 02:05:05,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:05,680 INFO L225 Difference]: With dead ends: 4559 [2024-11-24 02:05:05,680 INFO L226 Difference]: Without dead ends: 4557 [2024-11-24 02:05:05,683 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:05:05,683 INFO L435 NwaCegarLoop]: 1345 mSDtfsCounter, 1296 mSDsluCounter, 1344 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1296 SdHoareTripleChecker+Valid, 2689 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:05,683 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1296 Valid, 2689 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:05:05,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4557 states. [2024-11-24 02:05:06,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4557 to 4557. [2024-11-24 02:05:06,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4557 states, 3104 states have (on average 1.1394974226804124) internal successors, (3537), 3195 states have internal predecessors, (3537), 965 states have call successors, (965), 479 states have call predecessors, (965), 479 states have return successors, (967), 936 states have call predecessors, (967), 963 states have call successors, (967) [2024-11-24 02:05:06,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4557 states to 4557 states and 5469 transitions. [2024-11-24 02:05:06,391 INFO L78 Accepts]: Start accepts. Automaton has 4557 states and 5469 transitions. Word has length 174 [2024-11-24 02:05:06,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:06,392 INFO L471 AbstractCegarLoop]: Abstraction has 4557 states and 5469 transitions. [2024-11-24 02:05:06,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-24 02:05:06,392 INFO L276 IsEmpty]: Start isEmpty. Operand 4557 states and 5469 transitions. [2024-11-24 02:05:06,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-11-24 02:05:06,395 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:06,396 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 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] [2024-11-24 02:05:06,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-24 02:05:06,396 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:05:06,396 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:06,396 INFO L85 PathProgramCache]: Analyzing trace with hash -559512093, now seen corresponding path program 1 times [2024-11-24 02:05:06,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:05:06,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707645862] [2024-11-24 02:05:06,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:06,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:05:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:07,109 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 02:05:07,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:05:07,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707645862] [2024-11-24 02:05:07,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707645862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:07,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:07,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:05:07,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300720443] [2024-11-24 02:05:07,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:07,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:05:07,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:05:07,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:05:07,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:05:07,111 INFO L87 Difference]: Start difference. First operand 4557 states and 5469 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 02:05:11,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:05:11,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:11,702 INFO L93 Difference]: Finished difference Result 4559 states and 5470 transitions. [2024-11-24 02:05:11,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:05:11,703 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 190 [2024-11-24 02:05:11,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:11,716 INFO L225 Difference]: With dead ends: 4559 [2024-11-24 02:05:11,716 INFO L226 Difference]: Without dead ends: 4557 [2024-11-24 02:05:11,719 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-24 02:05:11,719 INFO L435 NwaCegarLoop]: 1372 mSDtfsCounter, 190 mSDsluCounter, 3941 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 5313 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:11,719 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 5313 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-11-24 02:05:11,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4557 states. [2024-11-24 02:05:12,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4557 to 4555. [2024-11-24 02:05:12,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4555 states, 3103 states have (on average 1.1366419593941348) internal successors, (3527), 3193 states have internal predecessors, (3527), 965 states have call successors, (965), 479 states have call predecessors, (965), 479 states have return successors, (967), 936 states have call predecessors, (967), 963 states have call successors, (967) [2024-11-24 02:05:12,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4555 states to 4555 states and 5459 transitions. [2024-11-24 02:05:12,255 INFO L78 Accepts]: Start accepts. Automaton has 4555 states and 5459 transitions. Word has length 190 [2024-11-24 02:05:12,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:12,256 INFO L471 AbstractCegarLoop]: Abstraction has 4555 states and 5459 transitions. [2024-11-24 02:05:12,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-24 02:05:12,256 INFO L276 IsEmpty]: Start isEmpty. Operand 4555 states and 5459 transitions. [2024-11-24 02:05:12,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-24 02:05:12,258 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:12,258 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:05:12,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-24 02:05:12,258 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:05:12,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:12,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1767658501, now seen corresponding path program 1 times [2024-11-24 02:05:12,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:05:12,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130040196] [2024-11-24 02:05:12,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:12,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:05:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:12,996 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:05:12,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:05:12,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130040196] [2024-11-24 02:05:12,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130040196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:12,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:12,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:05:12,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002136166] [2024-11-24 02:05:12,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:12,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:05:12,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:05:12,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:05:12,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:05:12,998 INFO L87 Difference]: Start difference. First operand 4555 states and 5459 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-24 02:05:13,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:13,494 INFO L93 Difference]: Finished difference Result 4555 states and 5459 transitions. [2024-11-24 02:05:13,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:05:13,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 180 [2024-11-24 02:05:13,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:13,503 INFO L225 Difference]: With dead ends: 4555 [2024-11-24 02:05:13,504 INFO L226 Difference]: Without dead ends: 4553 [2024-11-24 02:05:13,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:05:13,505 INFO L435 NwaCegarLoop]: 1341 mSDtfsCounter, 1291 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1291 SdHoareTripleChecker+Valid, 2681 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:13,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1291 Valid, 2681 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:05:13,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4553 states. [2024-11-24 02:05:13,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4553 to 4553. [2024-11-24 02:05:13,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4553 states, 3102 states have (on average 1.1360412637008381) internal successors, (3524), 3191 states have internal predecessors, (3524), 965 states have call successors, (965), 479 states have call predecessors, (965), 479 states have return successors, (967), 936 states have call predecessors, (967), 963 states have call successors, (967) [2024-11-24 02:05:13,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4553 states to 4553 states and 5456 transitions. [2024-11-24 02:05:13,992 INFO L78 Accepts]: Start accepts. Automaton has 4553 states and 5456 transitions. Word has length 180 [2024-11-24 02:05:13,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:13,993 INFO L471 AbstractCegarLoop]: Abstraction has 4553 states and 5456 transitions. [2024-11-24 02:05:13,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-24 02:05:13,993 INFO L276 IsEmpty]: Start isEmpty. Operand 4553 states and 5456 transitions. [2024-11-24 02:05:13,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-11-24 02:05:13,995 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:13,996 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:05:13,996 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-11-24 02:05:13,996 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:05:13,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:13,996 INFO L85 PathProgramCache]: Analyzing trace with hash 407331357, now seen corresponding path program 1 times [2024-11-24 02:05:13,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:05:13,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165692867] [2024-11-24 02:05:13,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:13,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:05:14,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:14,669 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-24 02:05:14,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:05:14,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165692867] [2024-11-24 02:05:14,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165692867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:14,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:14,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:05:14,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731479541] [2024-11-24 02:05:14,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:14,671 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:05:14,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:05:14,671 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:05:14,671 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:05:14,672 INFO L87 Difference]: Start difference. First operand 4553 states and 5456 transitions. Second operand has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 02:05:15,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:15,227 INFO L93 Difference]: Finished difference Result 4553 states and 5456 transitions. [2024-11-24 02:05:15,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:05:15,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 186 [2024-11-24 02:05:15,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:15,238 INFO L225 Difference]: With dead ends: 4553 [2024-11-24 02:05:15,239 INFO L226 Difference]: Without dead ends: 4159 [2024-11-24 02:05:15,242 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:05:15,243 INFO L435 NwaCegarLoop]: 1340 mSDtfsCounter, 1288 mSDsluCounter, 1340 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1288 SdHoareTripleChecker+Valid, 2680 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 [2024-11-24 02:05:15,243 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1288 Valid, 2680 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:05:15,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4159 states. [2024-11-24 02:05:15,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4159 to 4156. [2024-11-24 02:05:15,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4156 states, 2845 states have (on average 1.1409490333919157) internal successors, (3246), 2928 states have internal predecessors, (3246), 877 states have call successors, (877), 429 states have call predecessors, (877), 428 states have return successors, (878), 850 states have call predecessors, (878), 874 states have call successors, (878) [2024-11-24 02:05:15,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4156 states to 4156 states and 5001 transitions. [2024-11-24 02:05:15,909 INFO L78 Accepts]: Start accepts. Automaton has 4156 states and 5001 transitions. Word has length 186 [2024-11-24 02:05:15,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:15,909 INFO L471 AbstractCegarLoop]: Abstraction has 4156 states and 5001 transitions. [2024-11-24 02:05:15,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 29.5) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2024-11-24 02:05:15,910 INFO L276 IsEmpty]: Start isEmpty. Operand 4156 states and 5001 transitions. [2024-11-24 02:05:15,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2024-11-24 02:05:15,912 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:15,912 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:05:15,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-11-24 02:05:15,913 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:05:15,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:15,913 INFO L85 PathProgramCache]: Analyzing trace with hash -944989531, now seen corresponding path program 1 times [2024-11-24 02:05:15,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:05:15,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33430011] [2024-11-24 02:05:15,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:15,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:05:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:17,725 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2024-11-24 02:05:17,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:05:17,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33430011] [2024-11-24 02:05:17,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33430011] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:05:17,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481838297] [2024-11-24 02:05:17,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:17,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:05:17,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:05:17,730 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:05:17,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-24 02:05:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:19,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 1961 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 02:05:19,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:05:21,389 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-11-24 02:05:21,390 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:05:21,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481838297] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:21,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:05:21,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 17 [2024-11-24 02:05:21,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321146963] [2024-11-24 02:05:21,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:21,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:05:21,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:05:21,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:05:21,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2024-11-24 02:05:21,391 INFO L87 Difference]: Start difference. First operand 4156 states and 5001 transitions. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-24 02:05:25,411 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:05:29,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:05:36,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:36,355 INFO L93 Difference]: Finished difference Result 4156 states and 5001 transitions. [2024-11-24 02:05:36,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:05:36,355 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 243 [2024-11-24 02:05:36,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:36,367 INFO L225 Difference]: With dead ends: 4156 [2024-11-24 02:05:36,367 INFO L226 Difference]: Without dead ends: 3876 [2024-11-24 02:05:36,370 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2024-11-24 02:05:36,370 INFO L435 NwaCegarLoop]: 636 mSDtfsCounter, 1173 mSDsluCounter, 1518 mSDsCounter, 0 mSdLazyCounter, 2314 mSolverCounterSat, 437 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1313 SdHoareTripleChecker+Valid, 2154 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 437 IncrementalHoareTripleChecker+Valid, 2314 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:36,370 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1313 Valid, 2154 Invalid, 2753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [437 Valid, 2314 Invalid, 2 Unknown, 0 Unchecked, 14.2s Time] [2024-11-24 02:05:36,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3876 states. [2024-11-24 02:05:36,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3876 to 3652. [2024-11-24 02:05:36,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3652 states, 2503 states have (on average 1.147423092289253) internal successors, (2872), 2582 states have internal predecessors, (2872), 777 states have call successors, (777), 367 states have call predecessors, (777), 367 states have return successors, (780), 751 states have call predecessors, (780), 776 states have call successors, (780) [2024-11-24 02:05:36,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3652 states to 3652 states and 4429 transitions. [2024-11-24 02:05:36,734 INFO L78 Accepts]: Start accepts. Automaton has 3652 states and 4429 transitions. Word has length 243 [2024-11-24 02:05:36,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:36,735 INFO L471 AbstractCegarLoop]: Abstraction has 3652 states and 4429 transitions. [2024-11-24 02:05:36,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-24 02:05:36,735 INFO L276 IsEmpty]: Start isEmpty. Operand 3652 states and 4429 transitions. [2024-11-24 02:05:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-11-24 02:05:36,739 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:36,740 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:05:36,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-24 02:05:36,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-24 02:05:36,940 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:05:36,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:36,941 INFO L85 PathProgramCache]: Analyzing trace with hash 398262562, now seen corresponding path program 1 times [2024-11-24 02:05:36,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:05:36,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632848727] [2024-11-24 02:05:36,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:36,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:05:37,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:37,496 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2024-11-24 02:05:37,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:05:37,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632848727] [2024-11-24 02:05:37,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632848727] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:37,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:37,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:05:37,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101418737] [2024-11-24 02:05:37,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:37,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:05:37,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:05:37,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:05:37,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:05:37,498 INFO L87 Difference]: Start difference. First operand 3652 states and 4429 transitions. Second operand has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-24 02:05:37,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:37,905 INFO L93 Difference]: Finished difference Result 5413 states and 6492 transitions. [2024-11-24 02:05:37,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:05:37,906 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) Word has length 363 [2024-11-24 02:05:37,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:37,917 INFO L225 Difference]: With dead ends: 5413 [2024-11-24 02:05:37,917 INFO L226 Difference]: Without dead ends: 3654 [2024-11-24 02:05:37,921 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:05:37,921 INFO L435 NwaCegarLoop]: 1234 mSDtfsCounter, 0 mSDsluCounter, 1228 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2462 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:37,922 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2462 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:05:37,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3654 states. [2024-11-24 02:05:38,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3654 to 3654. [2024-11-24 02:05:38,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3654 states, 2505 states have (on average 1.1473053892215568) internal successors, (2874), 2584 states have internal predecessors, (2874), 777 states have call successors, (777), 367 states have call predecessors, (777), 367 states have return successors, (780), 751 states have call predecessors, (780), 776 states have call successors, (780) [2024-11-24 02:05:38,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3654 states to 3654 states and 4431 transitions. [2024-11-24 02:05:38,287 INFO L78 Accepts]: Start accepts. Automaton has 3654 states and 4431 transitions. Word has length 363 [2024-11-24 02:05:38,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:38,288 INFO L471 AbstractCegarLoop]: Abstraction has 3654 states and 4431 transitions. [2024-11-24 02:05:38,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.333333333333336) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (44), 2 states have call predecessors, (44), 1 states have return successors, (42), 2 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-24 02:05:38,289 INFO L276 IsEmpty]: Start isEmpty. Operand 3654 states and 4431 transitions. [2024-11-24 02:05:38,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-11-24 02:05:38,294 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:38,295 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:05:38,295 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-11-24 02:05:38,295 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:05:38,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:38,295 INFO L85 PathProgramCache]: Analyzing trace with hash 1986610464, now seen corresponding path program 1 times [2024-11-24 02:05:38,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:05:38,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769373847] [2024-11-24 02:05:38,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:38,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:05:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:39,093 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2024-11-24 02:05:39,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:05:39,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769373847] [2024-11-24 02:05:39,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769373847] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:39,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:39,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:05:39,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747414200] [2024-11-24 02:05:39,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:39,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:05:39,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:05:39,095 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:05:39,095 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:39,095 INFO L87 Difference]: Start difference. First operand 3654 states and 4431 transitions. Second operand has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-24 02:05:39,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:05:39,561 INFO L93 Difference]: Finished difference Result 6696 states and 8096 transitions. [2024-11-24 02:05:39,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:05:39,562 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (44), 2 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 363 [2024-11-24 02:05:39,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:05:39,578 INFO L225 Difference]: With dead ends: 6696 [2024-11-24 02:05:39,578 INFO L226 Difference]: Without dead ends: 3699 [2024-11-24 02:05:39,587 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:05:39,587 INFO L435 NwaCegarLoop]: 1232 mSDtfsCounter, 0 mSDsluCounter, 4923 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6155 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:05:39,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6155 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:05:39,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3699 states. [2024-11-24 02:05:39,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3699 to 3699. [2024-11-24 02:05:39,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3699 states, 2541 states have (on average 1.1452184179456906) internal successors, (2910), 2620 states have internal predecessors, (2910), 777 states have call successors, (777), 367 states have call predecessors, (777), 376 states have return successors, (789), 760 states have call predecessors, (789), 776 states have call successors, (789) [2024-11-24 02:05:39,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3699 states to 3699 states and 4476 transitions. [2024-11-24 02:05:39,976 INFO L78 Accepts]: Start accepts. Automaton has 3699 states and 4476 transitions. Word has length 363 [2024-11-24 02:05:39,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:05:39,977 INFO L471 AbstractCegarLoop]: Abstraction has 3699 states and 4476 transitions. [2024-11-24 02:05:39,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.166666666666668) internal successors, (145), 5 states have internal predecessors, (145), 2 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (42), 2 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-24 02:05:39,977 INFO L276 IsEmpty]: Start isEmpty. Operand 3699 states and 4476 transitions. [2024-11-24 02:05:39,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-11-24 02:05:39,981 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:05:39,981 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:05:39,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-11-24 02:05:39,981 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:05:39,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:05:39,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1593583454, now seen corresponding path program 1 times [2024-11-24 02:05:39,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:05:39,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725383271] [2024-11-24 02:05:39,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:05:39,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:05:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:05:42,473 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2024-11-24 02:05:42,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:05:42,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725383271] [2024-11-24 02:05:42,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725383271] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:05:42,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:05:42,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 02:05:42,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063250192] [2024-11-24 02:05:42,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:05:42,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:05:42,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:05:42,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:05:42,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:05:42,475 INFO L87 Difference]: Start difference. First operand 3699 states and 4476 transitions. Second operand has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 8 states have internal predecessors, (145), 4 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2024-11-24 02:05:46,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:05:50,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:06:02,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:02,917 INFO L93 Difference]: Finished difference Result 6447 states and 8032 transitions. [2024-11-24 02:06:02,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:06:02,917 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 8 states have internal predecessors, (145), 4 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 363 [2024-11-24 02:06:02,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:02,940 INFO L225 Difference]: With dead ends: 6447 [2024-11-24 02:06:02,940 INFO L226 Difference]: Without dead ends: 6445 [2024-11-24 02:06:02,944 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2024-11-24 02:06:02,945 INFO L435 NwaCegarLoop]: 860 mSDtfsCounter, 2766 mSDsluCounter, 3571 mSDsCounter, 0 mSdLazyCounter, 4165 mSolverCounterSat, 1082 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3128 SdHoareTripleChecker+Valid, 4431 SdHoareTripleChecker+Invalid, 5249 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1082 IncrementalHoareTripleChecker+Valid, 4165 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:02,945 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3128 Valid, 4431 Invalid, 5249 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1082 Valid, 4165 Invalid, 2 Unknown, 0 Unchecked, 19.3s Time] [2024-11-24 02:06:02,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6445 states. [2024-11-24 02:06:03,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6445 to 5137. [2024-11-24 02:06:03,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5137 states, 3553 states have (on average 1.1494511680270194) internal successors, (4084), 3648 states have internal predecessors, (4084), 1043 states have call successors, (1043), 521 states have call predecessors, (1043), 536 states have return successors, (1061), 1030 states have call predecessors, (1061), 1042 states have call successors, (1061) [2024-11-24 02:06:03,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5137 states to 5137 states and 6188 transitions. [2024-11-24 02:06:03,647 INFO L78 Accepts]: Start accepts. Automaton has 5137 states and 6188 transitions. Word has length 363 [2024-11-24 02:06:03,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:03,648 INFO L471 AbstractCegarLoop]: Abstraction has 5137 states and 6188 transitions. [2024-11-24 02:06:03,648 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 16.11111111111111) internal successors, (145), 8 states have internal predecessors, (145), 4 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2024-11-24 02:06:03,648 INFO L276 IsEmpty]: Start isEmpty. Operand 5137 states and 6188 transitions. [2024-11-24 02:06:03,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 424 [2024-11-24 02:06:03,655 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:03,655 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:06:03,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-11-24 02:06:03,656 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:06:03,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:03,656 INFO L85 PathProgramCache]: Analyzing trace with hash 461538362, now seen corresponding path program 1 times [2024-11-24 02:06:03,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:06:03,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773068533] [2024-11-24 02:06:03,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:03,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:06:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1188 trivial. 0 not checked. [2024-11-24 02:06:05,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:06:05,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773068533] [2024-11-24 02:06:05,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773068533] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:05,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:05,322 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 02:06:05,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765582927] [2024-11-24 02:06:05,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:05,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 02:06:05,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:06:05,323 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 02:06:05,323 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:06:05,324 INFO L87 Difference]: Start difference. First operand 5137 states and 6188 transitions. Second operand has 8 states, 8 states have (on average 19.75) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (46), 5 states have call predecessors, (46), 3 states have call successors, (46) [2024-11-24 02:06:06,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:06,088 INFO L93 Difference]: Finished difference Result 8402 states and 10041 transitions. [2024-11-24 02:06:06,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-24 02:06:06,089 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (46), 5 states have call predecessors, (46), 3 states have call successors, (46) Word has length 423 [2024-11-24 02:06:06,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:06,103 INFO L225 Difference]: With dead ends: 8402 [2024-11-24 02:06:06,103 INFO L226 Difference]: Without dead ends: 5173 [2024-11-24 02:06:06,110 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:06:06,110 INFO L435 NwaCegarLoop]: 1229 mSDtfsCounter, 1 mSDsluCounter, 7342 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 8571 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:06,110 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 8571 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:06:06,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5173 states. [2024-11-24 02:06:06,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5173 to 5161. [2024-11-24 02:06:06,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5161 states, 3571 states have (on average 1.148697843741249) internal successors, (4102), 3664 states have internal predecessors, (4102), 1045 states have call successors, (1045), 521 states have call predecessors, (1045), 540 states have return successors, (1069), 1038 states have call predecessors, (1069), 1044 states have call successors, (1069) [2024-11-24 02:06:06,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5161 states to 5161 states and 6216 transitions. [2024-11-24 02:06:06,631 INFO L78 Accepts]: Start accepts. Automaton has 5161 states and 6216 transitions. Word has length 423 [2024-11-24 02:06:06,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:06,631 INFO L471 AbstractCegarLoop]: Abstraction has 5161 states and 6216 transitions. [2024-11-24 02:06:06,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.75) internal successors, (158), 6 states have internal predecessors, (158), 3 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (46), 5 states have call predecessors, (46), 3 states have call successors, (46) [2024-11-24 02:06:06,632 INFO L276 IsEmpty]: Start isEmpty. Operand 5161 states and 6216 transitions. [2024-11-24 02:06:06,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2024-11-24 02:06:06,638 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:06,639 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:06:06,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-11-24 02:06:06,639 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:06:06,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:06,639 INFO L85 PathProgramCache]: Analyzing trace with hash -184800837, now seen corresponding path program 1 times [2024-11-24 02:06:06,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:06:06,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468562006] [2024-11-24 02:06:06,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:06,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:06:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:08,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2024-11-24 02:06:08,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:06:08,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468562006] [2024-11-24 02:06:08,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468562006] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:06:08,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010582140] [2024-11-24 02:06:08,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:08,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:06:08,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:06:08,233 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:06:08,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-24 02:06:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:10,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 2882 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 02:06:10,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:06:10,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-24 02:06:10,873 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-11-24 02:06:15,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 1175 trivial. 0 not checked. [2024-11-24 02:06:15,022 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:06:15,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010582140] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:15,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:06:15,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 13 [2024-11-24 02:06:15,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103803387] [2024-11-24 02:06:15,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:15,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 02:06:15,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:06:15,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 02:06:15,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2024-11-24 02:06:15,025 INFO L87 Difference]: Start difference. First operand 5161 states and 6216 transitions. Second operand has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 5 states have internal predecessors, (167), 3 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2024-11-24 02:06:19,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:06:23,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:06:27,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:06:31,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:06:35,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:35,334 INFO L93 Difference]: Finished difference Result 9918 states and 11924 transitions. [2024-11-24 02:06:35,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 02:06:35,335 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 5 states have internal predecessors, (167), 3 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) Word has length 425 [2024-11-24 02:06:35,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:35,352 INFO L225 Difference]: With dead ends: 9918 [2024-11-24 02:06:35,352 INFO L226 Difference]: Without dead ends: 5629 [2024-11-24 02:06:35,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-24 02:06:35,361 INFO L435 NwaCegarLoop]: 1252 mSDtfsCounter, 253 mSDsluCounter, 4552 mSDsCounter, 0 mSdLazyCounter, 875 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 5804 SdHoareTripleChecker+Invalid, 881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 875 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:35,361 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 5804 Invalid, 881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 875 Invalid, 4 Unknown, 0 Unchecked, 19.4s Time] [2024-11-24 02:06:35,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5629 states. [2024-11-24 02:06:35,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5629 to 5626. [2024-11-24 02:06:35,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5626 states, 3869 states have (on average 1.144998707676402) internal successors, (4430), 3978 states have internal predecessors, (4430), 1171 states have call successors, (1171), 562 states have call predecessors, (1171), 581 states have return successors, (1195), 1155 states have call predecessors, (1195), 1170 states have call successors, (1195) [2024-11-24 02:06:35,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5626 states to 5626 states and 6796 transitions. [2024-11-24 02:06:35,940 INFO L78 Accepts]: Start accepts. Automaton has 5626 states and 6796 transitions. Word has length 425 [2024-11-24 02:06:35,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:35,940 INFO L471 AbstractCegarLoop]: Abstraction has 5626 states and 6796 transitions. [2024-11-24 02:06:35,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.857142857142858) internal successors, (167), 5 states have internal predecessors, (167), 3 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (46), 4 states have call predecessors, (46), 3 states have call successors, (46) [2024-11-24 02:06:35,940 INFO L276 IsEmpty]: Start isEmpty. Operand 5626 states and 6796 transitions. [2024-11-24 02:06:35,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 456 [2024-11-24 02:06:35,947 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:35,948 INFO L218 NwaCegarLoop]: trace histogram [22, 22, 22, 12, 12, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:06:35,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-24 02:06:36,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:06:36,148 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:06:36,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:36,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1200306356, now seen corresponding path program 1 times [2024-11-24 02:06:36,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:06:36,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575906046] [2024-11-24 02:06:36,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:36,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:06:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:38,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1462 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 1402 trivial. 0 not checked. [2024-11-24 02:06:38,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:06:38,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575906046] [2024-11-24 02:06:38,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575906046] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:06:38,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360695535] [2024-11-24 02:06:38,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:38,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:06:38,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:06:38,585 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:06:38,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-24 02:06:41,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:41,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 3014 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-24 02:06:41,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:06:41,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1462 backedges. 800 proven. 0 refuted. 0 times theorem prover too weak. 662 trivial. 0 not checked. [2024-11-24 02:06:41,580 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:06:41,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360695535] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:41,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 02:06:41,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 20 [2024-11-24 02:06:41,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498917233] [2024-11-24 02:06:41,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:41,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:06:41,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:06:41,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:06:41,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2024-11-24 02:06:41,582 INFO L87 Difference]: Start difference. First operand 5626 states and 6796 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 3 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2024-11-24 02:06:42,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:42,664 INFO L93 Difference]: Finished difference Result 8435 states and 10157 transitions. [2024-11-24 02:06:42,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:06:42,665 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 3 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) Word has length 455 [2024-11-24 02:06:42,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:42,689 INFO L225 Difference]: With dead ends: 8435 [2024-11-24 02:06:42,689 INFO L226 Difference]: Without dead ends: 5154 [2024-11-24 02:06:42,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=41, Invalid=339, Unknown=0, NotChecked=0, Total=380 [2024-11-24 02:06:42,702 INFO L435 NwaCegarLoop]: 1219 mSDtfsCounter, 19 mSDsluCounter, 3573 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 4792 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:42,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 4792 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 02:06:42,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5154 states. [2024-11-24 02:06:43,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5154 to 5154. [2024-11-24 02:06:43,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5154 states, 3567 states have (on average 1.1443790299971965) internal successors, (4082), 3656 states have internal predecessors, (4082), 1030 states have call successors, (1030), 533 states have call predecessors, (1030), 552 states have return successors, (1054), 1026 states have call predecessors, (1054), 1029 states have call successors, (1054) [2024-11-24 02:06:43,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5154 states to 5154 states and 6166 transitions. [2024-11-24 02:06:43,547 INFO L78 Accepts]: Start accepts. Automaton has 5154 states and 6166 transitions. Word has length 455 [2024-11-24 02:06:43,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:43,548 INFO L471 AbstractCegarLoop]: Abstraction has 5154 states and 6166 transitions. [2024-11-24 02:06:43,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 3 states have call successors, (56), 2 states have call predecessors, (56), 3 states have return successors, (54), 3 states have call predecessors, (54), 3 states have call successors, (54) [2024-11-24 02:06:43,548 INFO L276 IsEmpty]: Start isEmpty. Operand 5154 states and 6166 transitions. [2024-11-24 02:06:43,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2024-11-24 02:06:43,557 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:43,557 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:06:43,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-24 02:06:43,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-24 02:06:43,758 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:06:43,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:43,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1615536614, now seen corresponding path program 1 times [2024-11-24 02:06:43,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:06:43,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1109176099] [2024-11-24 02:06:43,759 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:43,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:06:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:44,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2024-11-24 02:06:44,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:06:44,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1109176099] [2024-11-24 02:06:44,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1109176099] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:44,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:44,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:06:44,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332967749] [2024-11-24 02:06:44,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:44,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:06:44,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:06:44,902 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:06:44,902 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:06:44,903 INFO L87 Difference]: Start difference. First operand 5154 states and 6166 transitions. Second operand has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-11-24 02:06:45,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:45,491 INFO L93 Difference]: Finished difference Result 8451 states and 10065 transitions. [2024-11-24 02:06:45,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:06:45,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 472 [2024-11-24 02:06:45,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:45,511 INFO L225 Difference]: With dead ends: 8451 [2024-11-24 02:06:45,511 INFO L226 Difference]: Without dead ends: 5198 [2024-11-24 02:06:45,522 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:06:45,522 INFO L435 NwaCegarLoop]: 1244 mSDtfsCounter, 4 mSDsluCounter, 1221 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 2465 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:45,522 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 2465 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:06:45,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5198 states. [2024-11-24 02:06:46,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5198 to 5186. [2024-11-24 02:06:46,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5186 states, 3595 states have (on average 1.14547983310153) internal successors, (4118), 3680 states have internal predecessors, (4118), 1034 states have call successors, (1034), 533 states have call predecessors, (1034), 552 states have return successors, (1062), 1034 states have call predecessors, (1062), 1033 states have call successors, (1062) [2024-11-24 02:06:46,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5186 states to 5186 states and 6214 transitions. [2024-11-24 02:06:46,248 INFO L78 Accepts]: Start accepts. Automaton has 5186 states and 6214 transitions. Word has length 472 [2024-11-24 02:06:46,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:46,248 INFO L471 AbstractCegarLoop]: Abstraction has 5186 states and 6214 transitions. [2024-11-24 02:06:46,248 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 54.666666666666664) internal successors, (164), 3 states have internal predecessors, (164), 3 states have call successors, (50), 1 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2024-11-24 02:06:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand 5186 states and 6214 transitions. [2024-11-24 02:06:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2024-11-24 02:06:46,254 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:46,254 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:06:46,254 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-24 02:06:46,254 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:06:46,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:46,254 INFO L85 PathProgramCache]: Analyzing trace with hash -806226480, now seen corresponding path program 1 times [2024-11-24 02:06:46,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:06:46,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645778917] [2024-11-24 02:06:46,255 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:46,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:06:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:48,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2024-11-24 02:06:48,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:06:48,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645778917] [2024-11-24 02:06:48,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645778917] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:48,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:48,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:06:48,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489109748] [2024-11-24 02:06:48,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:48,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:06:48,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:06:48,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:06:48,111 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:06:48,111 INFO L87 Difference]: Start difference. First operand 5186 states and 6214 transitions. Second operand has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-24 02:06:52,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:06:54,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:54,484 INFO L93 Difference]: Finished difference Result 8789 states and 10411 transitions. [2024-11-24 02:06:54,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:06:54,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) Word has length 479 [2024-11-24 02:06:54,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:54,506 INFO L225 Difference]: With dead ends: 8789 [2024-11-24 02:06:54,506 INFO L226 Difference]: Without dead ends: 5504 [2024-11-24 02:06:54,515 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:06:54,515 INFO L435 NwaCegarLoop]: 1243 mSDtfsCounter, 1104 mSDsluCounter, 3446 mSDsCounter, 0 mSdLazyCounter, 462 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1105 SdHoareTripleChecker+Valid, 4689 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 462 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:54,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1105 Valid, 4689 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 462 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-11-24 02:06:54,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5504 states. [2024-11-24 02:06:55,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5504 to 5347. [2024-11-24 02:06:55,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5347 states, 3709 states have (on average 1.139929900242653) internal successors, (4228), 3792 states have internal predecessors, (4228), 1046 states have call successors, (1046), 565 states have call predecessors, (1046), 587 states have return successors, (1077), 1049 states have call predecessors, (1077), 1045 states have call successors, (1077) [2024-11-24 02:06:55,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5347 states to 5347 states and 6351 transitions. [2024-11-24 02:06:55,216 INFO L78 Accepts]: Start accepts. Automaton has 5347 states and 6351 transitions. Word has length 479 [2024-11-24 02:06:55,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:55,217 INFO L471 AbstractCegarLoop]: Abstraction has 5347 states and 6351 transitions. [2024-11-24 02:06:55,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.166666666666668) internal successors, (169), 5 states have internal predecessors, (169), 2 states have call successors, (51), 1 states have call predecessors, (51), 2 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-24 02:06:55,217 INFO L276 IsEmpty]: Start isEmpty. Operand 5347 states and 6351 transitions. [2024-11-24 02:06:55,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 480 [2024-11-24 02:06:55,223 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:55,224 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:06:55,224 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-24 02:06:55,224 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:06:55,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:55,224 INFO L85 PathProgramCache]: Analyzing trace with hash -806166898, now seen corresponding path program 1 times [2024-11-24 02:06:55,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:06:55,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232964381] [2024-11-24 02:06:55,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:55,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:06:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:56,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2024-11-24 02:06:56,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:06:56,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232964381] [2024-11-24 02:06:56,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232964381] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:56,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:56,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:06:56,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818347830] [2024-11-24 02:06:56,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:56,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:06:56,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:06:56,236 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:06:56,236 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:06:56,236 INFO L87 Difference]: Start difference. First operand 5347 states and 6351 transitions. Second operand has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-24 02:06:57,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:57,041 INFO L93 Difference]: Finished difference Result 5347 states and 6351 transitions. [2024-11-24 02:06:57,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:06:57,042 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) Word has length 479 [2024-11-24 02:06:57,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:57,056 INFO L225 Difference]: With dead ends: 5347 [2024-11-24 02:06:57,056 INFO L226 Difference]: Without dead ends: 5345 [2024-11-24 02:06:57,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:06:57,059 INFO L435 NwaCegarLoop]: 1230 mSDtfsCounter, 0 mSDsluCounter, 2456 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3686 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:06:57,059 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3686 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:06:57,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5345 states. [2024-11-24 02:06:57,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5345 to 5345. [2024-11-24 02:06:57,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5345 states, 3708 states have (on average 1.1388888888888888) internal successors, (4223), 3790 states have internal predecessors, (4223), 1046 states have call successors, (1046), 565 states have call predecessors, (1046), 587 states have return successors, (1077), 1049 states have call predecessors, (1077), 1045 states have call successors, (1077) [2024-11-24 02:06:57,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5345 states to 5345 states and 6346 transitions. [2024-11-24 02:06:57,692 INFO L78 Accepts]: Start accepts. Automaton has 5345 states and 6346 transitions. Word has length 479 [2024-11-24 02:06:57,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:57,692 INFO L471 AbstractCegarLoop]: Abstraction has 5345 states and 6346 transitions. [2024-11-24 02:06:57,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.25) internal successors, (169), 4 states have internal predecessors, (169), 1 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 1 states have call predecessors, (51), 1 states have call successors, (51) [2024-11-24 02:06:57,693 INFO L276 IsEmpty]: Start isEmpty. Operand 5345 states and 6346 transitions. [2024-11-24 02:06:57,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2024-11-24 02:06:57,701 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:57,702 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:06:57,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-24 02:06:57,702 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:06:57,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:57,703 INFO L85 PathProgramCache]: Analyzing trace with hash -785213996, now seen corresponding path program 1 times [2024-11-24 02:06:57,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:06:57,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159170473] [2024-11-24 02:06:57,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:57,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:06:58,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:06:58,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2024-11-24 02:06:58,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:06:58,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159170473] [2024-11-24 02:06:58,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159170473] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:06:58,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:06:58,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:06:58,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10066761] [2024-11-24 02:06:58,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:06:58,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 02:06:58,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:06:58,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 02:06:58,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:06:58,399 INFO L87 Difference]: Start difference. First operand 5345 states and 6346 transitions. Second operand has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-24 02:06:58,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:06:58,984 INFO L93 Difference]: Finished difference Result 8930 states and 10517 transitions. [2024-11-24 02:06:58,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 02:06:58,984 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 483 [2024-11-24 02:06:58,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:06:59,001 INFO L225 Difference]: With dead ends: 8930 [2024-11-24 02:06:59,001 INFO L226 Difference]: Without dead ends: 5335 [2024-11-24 02:06:59,008 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 02:06:59,008 INFO L435 NwaCegarLoop]: 1226 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, 1226 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 [2024-11-24 02:06:59,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1110 Valid, 1226 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:06:59,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5335 states. [2024-11-24 02:06:59,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5335 to 5335. [2024-11-24 02:06:59,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5335 states, 3699 states have (on average 1.1370640713706408) internal successors, (4206), 3780 states have internal predecessors, (4206), 1046 states have call successors, (1046), 565 states have call predecessors, (1046), 587 states have return successors, (1077), 1049 states have call predecessors, (1077), 1045 states have call successors, (1077) [2024-11-24 02:06:59,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5335 states to 5335 states and 6329 transitions. [2024-11-24 02:06:59,929 INFO L78 Accepts]: Start accepts. Automaton has 5335 states and 6329 transitions. Word has length 483 [2024-11-24 02:06:59,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:06:59,929 INFO L471 AbstractCegarLoop]: Abstraction has 5335 states and 6329 transitions. [2024-11-24 02:06:59,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 57.666666666666664) internal successors, (173), 3 states have internal predecessors, (173), 2 states have call successors, (51), 1 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2024-11-24 02:06:59,930 INFO L276 IsEmpty]: Start isEmpty. Operand 5335 states and 6329 transitions. [2024-11-24 02:06:59,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2024-11-24 02:06:59,939 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:06:59,940 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 14, 14, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:06:59,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-24 02:06:59,940 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:06:59,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:06:59,941 INFO L85 PathProgramCache]: Analyzing trace with hash 194438041, now seen corresponding path program 1 times [2024-11-24 02:06:59,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:06:59,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875906200] [2024-11-24 02:06:59,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:06:59,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:07:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:02,546 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 1909 trivial. 0 not checked. [2024-11-24 02:07:02,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:07:02,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1875906200] [2024-11-24 02:07:02,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1875906200] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:07:02,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228981425] [2024-11-24 02:07:02,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:07:02,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:07:02,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:07:02,549 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:07:02,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-24 02:07:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:07:05,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 3206 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-24 02:07:05,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:07:08,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 1480 trivial. 0 not checked. [2024-11-24 02:07:08,128 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:07:11,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1922 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1916 trivial. 0 not checked. [2024-11-24 02:07:11,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228981425] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:07:11,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:07:11,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 11] total 22 [2024-11-24 02:07:11,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627043839] [2024-11-24 02:07:11,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:07:11,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-24 02:07:11,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:07:11,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-24 02:07:11,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2024-11-24 02:07:11,131 INFO L87 Difference]: Start difference. First operand 5335 states and 6329 transitions. Second operand has 22 states, 22 states have (on average 12.181818181818182) internal successors, (268), 19 states have internal predecessors, (268), 7 states have call successors, (112), 7 states have call predecessors, (112), 12 states have return successors, (112), 10 states have call predecessors, (112), 7 states have call successors, (112) [2024-11-24 02:07:15,167 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:07:19,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:07:23,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:07:27,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:07:31,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:07:35,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:07:39,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:07:43,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:07:47,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:07:51,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:08:15,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:08:15,018 INFO L93 Difference]: Finished difference Result 9831 states and 11649 transitions. [2024-11-24 02:08:15,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-24 02:08:15,019 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 12.181818181818182) internal successors, (268), 19 states have internal predecessors, (268), 7 states have call successors, (112), 7 states have call predecessors, (112), 12 states have return successors, (112), 10 states have call predecessors, (112), 7 states have call successors, (112) Word has length 507 [2024-11-24 02:08:15,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:08:15,035 INFO L225 Difference]: With dead ends: 9831 [2024-11-24 02:08:15,035 INFO L226 Difference]: Without dead ends: 5333 [2024-11-24 02:08:15,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1041 GetRequests, 1012 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=205, Invalid=725, Unknown=0, NotChecked=0, Total=930 [2024-11-24 02:08:15,045 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 4627 mSDsluCounter, 4441 mSDsCounter, 0 mSdLazyCounter, 8121 mSolverCounterSat, 2456 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 60.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4742 SdHoareTripleChecker+Valid, 5031 SdHoareTripleChecker+Invalid, 10587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2456 IncrementalHoareTripleChecker+Valid, 8121 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.8s IncrementalHoareTripleChecker+Time [2024-11-24 02:08:15,045 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4742 Valid, 5031 Invalid, 10587 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2456 Valid, 8121 Invalid, 10 Unknown, 0 Unchecked, 61.8s Time] [2024-11-24 02:08:15,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5333 states. [2024-11-24 02:08:15,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5333 to 4373. [2024-11-24 02:08:15,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4373 states, 3026 states have (on average 1.1292134831460674) internal successors, (3417), 3098 states have internal predecessors, (3417), 874 states have call successors, (874), 454 states have call predecessors, (874), 471 states have return successors, (898), 871 states have call predecessors, (898), 873 states have call successors, (898) [2024-11-24 02:08:15,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4373 states to 4373 states and 5189 transitions. [2024-11-24 02:08:15,586 INFO L78 Accepts]: Start accepts. Automaton has 4373 states and 5189 transitions. Word has length 507 [2024-11-24 02:08:15,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:08:15,586 INFO L471 AbstractCegarLoop]: Abstraction has 4373 states and 5189 transitions. [2024-11-24 02:08:15,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 12.181818181818182) internal successors, (268), 19 states have internal predecessors, (268), 7 states have call successors, (112), 7 states have call predecessors, (112), 12 states have return successors, (112), 10 states have call predecessors, (112), 7 states have call successors, (112) [2024-11-24 02:08:15,587 INFO L276 IsEmpty]: Start isEmpty. Operand 4373 states and 5189 transitions. [2024-11-24 02:08:15,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 538 [2024-11-24 02:08:15,593 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:08:15,593 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 14, 14, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:08:15,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-24 02:08:15,793 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:08:15,794 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:08:15,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:08:15,794 INFO L85 PathProgramCache]: Analyzing trace with hash 1332860650, now seen corresponding path program 1 times [2024-11-24 02:08:15,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:08:15,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839273563] [2024-11-24 02:08:15,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:08:15,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:08:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:08:17,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2527 trivial. 0 not checked. [2024-11-24 02:08:17,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:08:17,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839273563] [2024-11-24 02:08:17,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1839273563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:08:17,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489696771] [2024-11-24 02:08:17,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:08:17,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:08:17,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:08:17,822 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:08:17,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-24 02:08:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:08:20,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 3048 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-24 02:08:20,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:08:23,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 509 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2024-11-24 02:08:23,868 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:08:26,307 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2527 trivial. 0 not checked. [2024-11-24 02:08:26,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489696771] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:08:26,307 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:08:26,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 9] total 15 [2024-11-24 02:08:26,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922358259] [2024-11-24 02:08:26,307 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:08:26,308 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-24 02:08:26,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:08:26,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-24 02:08:26,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-24 02:08:26,310 INFO L87 Difference]: Start difference. First operand 4373 states and 5189 transitions. Second operand has 15 states, 15 states have (on average 18.466666666666665) internal successors, (277), 13 states have internal predecessors, (277), 3 states have call successors, (115), 7 states have call predecessors, (115), 8 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) [2024-11-24 02:08:30,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:08:34,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:08:38,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:08:42,364 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:08:46,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:08:50,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:09:04,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:09:04,906 INFO L93 Difference]: Finished difference Result 4373 states and 5189 transitions. [2024-11-24 02:09:04,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:09:04,906 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 18.466666666666665) internal successors, (277), 13 states have internal predecessors, (277), 3 states have call successors, (115), 7 states have call predecessors, (115), 8 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) Word has length 537 [2024-11-24 02:09:04,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:09:04,921 INFO L225 Difference]: With dead ends: 4373 [2024-11-24 02:09:04,921 INFO L226 Difference]: Without dead ends: 3939 [2024-11-24 02:09:04,924 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1089 GetRequests, 1070 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2024-11-24 02:09:04,925 INFO L435 NwaCegarLoop]: 590 mSDtfsCounter, 2605 mSDsluCounter, 3189 mSDsCounter, 0 mSdLazyCounter, 5178 mSolverCounterSat, 1236 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2708 SdHoareTripleChecker+Valid, 3779 SdHoareTripleChecker+Invalid, 6420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1236 IncrementalHoareTripleChecker+Valid, 5178 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 37.5s IncrementalHoareTripleChecker+Time [2024-11-24 02:09:04,925 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2708 Valid, 3779 Invalid, 6420 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1236 Valid, 5178 Invalid, 6 Unknown, 0 Unchecked, 37.5s Time] [2024-11-24 02:09:04,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3939 states. [2024-11-24 02:09:05,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3939 to 3939. [2024-11-24 02:09:05,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3939 states, 2733 states have (on average 1.1317233809001097) internal successors, (3093), 2794 states have internal predecessors, (3093), 778 states have call successors, (778), 411 states have call predecessors, (778), 427 states have return successors, (801), 780 states have call predecessors, (801), 777 states have call successors, (801) [2024-11-24 02:09:05,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3939 states to 3939 states and 4672 transitions. [2024-11-24 02:09:05,587 INFO L78 Accepts]: Start accepts. Automaton has 3939 states and 4672 transitions. Word has length 537 [2024-11-24 02:09:05,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:09:05,588 INFO L471 AbstractCegarLoop]: Abstraction has 3939 states and 4672 transitions. [2024-11-24 02:09:05,588 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 18.466666666666665) internal successors, (277), 13 states have internal predecessors, (277), 3 states have call successors, (115), 7 states have call predecessors, (115), 8 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) [2024-11-24 02:09:05,588 INFO L276 IsEmpty]: Start isEmpty. Operand 3939 states and 4672 transitions. [2024-11-24 02:09:05,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 725 [2024-11-24 02:09:05,599 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:09:05,599 INFO L218 NwaCegarLoop]: trace histogram [27, 27, 27, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:09:05,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-24 02:09:05,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:09:05,800 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:09:05,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:09:05,800 INFO L85 PathProgramCache]: Analyzing trace with hash -173031741, now seen corresponding path program 1 times [2024-11-24 02:09:05,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:09:05,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097480026] [2024-11-24 02:09:05,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:09:05,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:09:06,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:09:08,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2296 trivial. 0 not checked. [2024-11-24 02:09:08,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:09:08,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097480026] [2024-11-24 02:09:08,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097480026] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:09:08,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:09:08,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 02:09:08,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014676505] [2024-11-24 02:09:08,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:09:08,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 02:09:08,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:09:08,196 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 02:09:08,196 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:09:08,196 INFO L87 Difference]: Start difference. First operand 3939 states and 4672 transitions. Second operand has 9 states, 9 states have (on average 32.666666666666664) internal successors, (294), 8 states have internal predecessors, (294), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) [2024-11-24 02:09:08,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:09:08,973 INFO L93 Difference]: Finished difference Result 6268 states and 7375 transitions. [2024-11-24 02:09:08,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 02:09:08,974 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 32.666666666666664) internal successors, (294), 8 states have internal predecessors, (294), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) Word has length 724 [2024-11-24 02:09:08,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:09:08,986 INFO L225 Difference]: With dead ends: 6268 [2024-11-24 02:09:08,986 INFO L226 Difference]: Without dead ends: 3963 [2024-11-24 02:09:08,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 02:09:08,991 INFO L435 NwaCegarLoop]: 1211 mSDtfsCounter, 0 mSDsluCounter, 8460 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9671 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:09:08,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9671 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:09:08,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3963 states. [2024-11-24 02:09:09,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3963 to 3963. [2024-11-24 02:09:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3963 states, 2754 states have (on average 1.130718954248366) internal successors, (3114), 2815 states have internal predecessors, (3114), 778 states have call successors, (778), 411 states have call predecessors, (778), 430 states have return successors, (804), 783 states have call predecessors, (804), 777 states have call successors, (804) [2024-11-24 02:09:09,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3963 states to 3963 states and 4696 transitions. [2024-11-24 02:09:09,446 INFO L78 Accepts]: Start accepts. Automaton has 3963 states and 4696 transitions. Word has length 724 [2024-11-24 02:09:09,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:09:09,446 INFO L471 AbstractCegarLoop]: Abstraction has 3963 states and 4696 transitions. [2024-11-24 02:09:09,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 32.666666666666664) internal successors, (294), 8 states have internal predecessors, (294), 2 states have call successors, (78), 2 states have call predecessors, (78), 2 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) [2024-11-24 02:09:09,446 INFO L276 IsEmpty]: Start isEmpty. Operand 3963 states and 4696 transitions. [2024-11-24 02:09:09,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2024-11-24 02:09:09,454 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:09:09,454 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 14, 14, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:09:09,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-11-24 02:09:09,455 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:09:09,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:09:09,455 INFO L85 PathProgramCache]: Analyzing trace with hash -865435261, now seen corresponding path program 1 times [2024-11-24 02:09:09,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:09:09,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950948697] [2024-11-24 02:09:09,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:09:09,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:09:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:09:12,079 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2546 trivial. 0 not checked. [2024-11-24 02:09:12,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:09:12,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950948697] [2024-11-24 02:09:12,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950948697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:09:12,080 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:09:12,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:09:12,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824899656] [2024-11-24 02:09:12,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:09:12,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:09:12,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:09:12,082 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:09:12,082 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:09:12,082 INFO L87 Difference]: Start difference. First operand 3963 states and 4696 transitions. Second operand has 6 states, 6 states have (on average 49.833333333333336) internal successors, (299), 6 states have internal predecessors, (299), 2 states have call successors, (82), 2 states have call predecessors, (82), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2024-11-24 02:09:12,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:09:12,722 INFO L93 Difference]: Finished difference Result 6298 states and 7406 transitions. [2024-11-24 02:09:12,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:09:12,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 49.833333333333336) internal successors, (299), 6 states have internal predecessors, (299), 2 states have call successors, (82), 2 states have call predecessors, (82), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) Word has length 745 [2024-11-24 02:09:12,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:09:12,737 INFO L225 Difference]: With dead ends: 6298 [2024-11-24 02:09:12,737 INFO L226 Difference]: Without dead ends: 3969 [2024-11-24 02:09:12,742 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:09:12,743 INFO L435 NwaCegarLoop]: 1217 mSDtfsCounter, 0 mSDsluCounter, 4849 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6066 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 02:09:12,743 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6066 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 02:09:12,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3969 states. [2024-11-24 02:09:13,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3969 to 3969. [2024-11-24 02:09:13,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3969 states, 2760 states have (on average 1.1304347826086956) internal successors, (3120), 2821 states have internal predecessors, (3120), 778 states have call successors, (778), 411 states have call predecessors, (778), 430 states have return successors, (804), 783 states have call predecessors, (804), 777 states have call successors, (804) [2024-11-24 02:09:13,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3969 states to 3969 states and 4702 transitions. [2024-11-24 02:09:13,203 INFO L78 Accepts]: Start accepts. Automaton has 3969 states and 4702 transitions. Word has length 745 [2024-11-24 02:09:13,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:09:13,204 INFO L471 AbstractCegarLoop]: Abstraction has 3969 states and 4702 transitions. [2024-11-24 02:09:13,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 49.833333333333336) internal successors, (299), 6 states have internal predecessors, (299), 2 states have call successors, (82), 2 states have call predecessors, (82), 1 states have return successors, (81), 2 states have call predecessors, (81), 2 states have call successors, (81) [2024-11-24 02:09:13,204 INFO L276 IsEmpty]: Start isEmpty. Operand 3969 states and 4702 transitions. [2024-11-24 02:09:13,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2024-11-24 02:09:13,212 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:09:13,213 INFO L218 NwaCegarLoop]: trace histogram [29, 29, 29, 14, 14, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:09:13,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-11-24 02:09:13,213 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:09:13,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:09:13,214 INFO L85 PathProgramCache]: Analyzing trace with hash 376256884, now seen corresponding path program 1 times [2024-11-24 02:09:13,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:09:13,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917064196] [2024-11-24 02:09:13,214 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:09:13,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:09:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:09:16,846 INFO L134 CoverageAnalysis]: Checked inductivity of 2555 backedges. 3 proven. 108 refuted. 0 times theorem prover too weak. 2444 trivial. 0 not checked. [2024-11-24 02:09:16,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:09:16,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917064196] [2024-11-24 02:09:16,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917064196] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:09:16,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753303513] [2024-11-24 02:09:16,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:09:16,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:09:16,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:09:16,849 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:09:16,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-24 02:09:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:09:20,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 4343 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-24 02:09:20,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:09:21,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2555 backedges. 547 proven. 3 refuted. 0 times theorem prover too weak. 2005 trivial. 0 not checked. [2024-11-24 02:09:21,329 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:09:24,479 INFO L134 CoverageAnalysis]: Checked inductivity of 2555 backedges. 6 proven. 132 refuted. 0 times theorem prover too weak. 2417 trivial. 0 not checked. [2024-11-24 02:09:24,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753303513] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:09:24,479 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:09:24,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 8] total 25 [2024-11-24 02:09:24,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957630831] [2024-11-24 02:09:24,480 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:09:24,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-24 02:09:24,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:09:24,484 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-24 02:09:24,484 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=542, Unknown=0, NotChecked=0, Total=600 [2024-11-24 02:09:24,485 INFO L87 Difference]: Start difference. First operand 3969 states and 4702 transitions. Second operand has 25 states, 24 states have (on average 24.833333333333332) internal successors, (596), 20 states have internal predecessors, (596), 10 states have call successors, (206), 3 states have call predecessors, (206), 8 states have return successors, (207), 13 states have call predecessors, (207), 10 states have call successors, (207) [2024-11-24 02:09:28,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:09:32,547 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:09:36,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:09:40,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:09:44,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:09:48,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:10:32,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:10:32,197 INFO L93 Difference]: Finished difference Result 8007 states and 9538 transitions. [2024-11-24 02:10:32,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-11-24 02:10:32,198 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 24.833333333333332) internal successors, (596), 20 states have internal predecessors, (596), 10 states have call successors, (206), 3 states have call predecessors, (206), 8 states have return successors, (207), 13 states have call predecessors, (207), 10 states have call successors, (207) Word has length 780 [2024-11-24 02:10:32,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:10:32,217 INFO L225 Difference]: With dead ends: 8007 [2024-11-24 02:10:32,217 INFO L226 Difference]: Without dead ends: 3968 [2024-11-24 02:10:32,227 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1616 GetRequests, 1557 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=333, Invalid=3327, Unknown=0, NotChecked=0, Total=3660 [2024-11-24 02:10:32,228 INFO L435 NwaCegarLoop]: 985 mSDtfsCounter, 1770 mSDsluCounter, 12044 mSDsCounter, 0 mSdLazyCounter, 13147 mSolverCounterSat, 682 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1941 SdHoareTripleChecker+Valid, 13029 SdHoareTripleChecker+Invalid, 13835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 682 IncrementalHoareTripleChecker+Valid, 13147 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 63.4s IncrementalHoareTripleChecker+Time [2024-11-24 02:10:32,228 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1941 Valid, 13029 Invalid, 13835 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [682 Valid, 13147 Invalid, 6 Unknown, 0 Unchecked, 63.4s Time] [2024-11-24 02:10:32,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3968 states. [2024-11-24 02:10:32,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3968 to 3580. [2024-11-24 02:10:32,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3580 states, 2442 states have (on average 1.128992628992629) internal successors, (2757), 2504 states have internal predecessors, (2757), 725 states have call successors, (725), 398 states have call predecessors, (725), 412 states have return successors, (754), 713 states have call predecessors, (754), 724 states have call successors, (754) [2024-11-24 02:10:32,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3580 states to 3580 states and 4236 transitions. [2024-11-24 02:10:32,976 INFO L78 Accepts]: Start accepts. Automaton has 3580 states and 4236 transitions. Word has length 780 [2024-11-24 02:10:32,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:10:32,976 INFO L471 AbstractCegarLoop]: Abstraction has 3580 states and 4236 transitions. [2024-11-24 02:10:32,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 24.833333333333332) internal successors, (596), 20 states have internal predecessors, (596), 10 states have call successors, (206), 3 states have call predecessors, (206), 8 states have return successors, (207), 13 states have call predecessors, (207), 10 states have call successors, (207) [2024-11-24 02:10:32,977 INFO L276 IsEmpty]: Start isEmpty. Operand 3580 states and 4236 transitions. [2024-11-24 02:10:32,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 952 [2024-11-24 02:10:32,987 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:10:32,988 INFO L218 NwaCegarLoop]: trace histogram [38, 38, 38, 19, 19, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 7, 7, 6, 6, 5, 5, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:10:33,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-24 02:10:33,188 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-11-24 02:10:33,189 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:10:33,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:10:33,190 INFO L85 PathProgramCache]: Analyzing trace with hash -2079193969, now seen corresponding path program 1 times [2024-11-24 02:10:33,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:10:33,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116832749] [2024-11-24 02:10:33,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:10:33,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:10:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:10:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 4448 backedges. 12 proven. 396 refuted. 0 times theorem prover too weak. 4040 trivial. 0 not checked. [2024-11-24 02:10:44,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:10:44,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116832749] [2024-11-24 02:10:44,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116832749] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:10:44,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960094046] [2024-11-24 02:10:44,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:10:44,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:10:44,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:10:44,386 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:10:44,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-24 02:10:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:10:49,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 5095 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-24 02:10:49,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:10:50,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4448 backedges. 192 proven. 3 refuted. 0 times theorem prover too weak. 4253 trivial. 0 not checked. [2024-11-24 02:10:50,465 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:10:54,922 INFO L134 CoverageAnalysis]: Checked inductivity of 4448 backedges. 180 proven. 3 refuted. 0 times theorem prover too weak. 4265 trivial. 0 not checked. [2024-11-24 02:10:54,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960094046] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:10:54,922 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:10:54,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 9, 8] total 35 [2024-11-24 02:10:54,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077166220] [2024-11-24 02:10:54,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:10:54,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-11-24 02:10:54,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:10:54,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-11-24 02:10:54,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1092, Unknown=0, NotChecked=0, Total=1190 [2024-11-24 02:10:54,927 INFO L87 Difference]: Start difference. First operand 3580 states and 4236 transitions. Second operand has 35 states, 34 states have (on average 17.88235294117647) internal successors, (608), 28 states have internal predecessors, (608), 16 states have call successors, (200), 5 states have call predecessors, (200), 13 states have return successors, (201), 20 states have call predecessors, (201), 16 states have call successors, (201) [2024-11-24 02:10:58,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:02,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:07,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:11,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:15,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:19,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:23,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:27,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:31,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:35,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:39,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:43,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:47,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:11:51,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:12:51,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:12:51,657 INFO L93 Difference]: Finished difference Result 7380 states and 8752 transitions. [2024-11-24 02:12:51,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-11-24 02:12:51,658 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 34 states have (on average 17.88235294117647) internal successors, (608), 28 states have internal predecessors, (608), 16 states have call successors, (200), 5 states have call predecessors, (200), 13 states have return successors, (201), 20 states have call predecessors, (201), 16 states have call successors, (201) Word has length 951 [2024-11-24 02:12:51,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:12:51,681 INFO L225 Difference]: With dead ends: 7380 [2024-11-24 02:12:51,682 INFO L226 Difference]: Without dead ends: 4211 [2024-11-24 02:12:51,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1989 GetRequests, 1909 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1567 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=830, Invalid=5812, Unknown=0, NotChecked=0, Total=6642 [2024-11-24 02:12:51,694 INFO L435 NwaCegarLoop]: 799 mSDtfsCounter, 4004 mSDsluCounter, 13208 mSDsCounter, 0 mSdLazyCounter, 18461 mSolverCounterSat, 2600 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 107.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4150 SdHoareTripleChecker+Valid, 14007 SdHoareTripleChecker+Invalid, 21075 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2600 IncrementalHoareTripleChecker+Valid, 18461 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 110.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:12:51,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4150 Valid, 14007 Invalid, 21075 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2600 Valid, 18461 Invalid, 14 Unknown, 0 Unchecked, 110.2s Time] [2024-11-24 02:12:51,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4211 states. [2024-11-24 02:12:52,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4211 to 3979. [2024-11-24 02:12:52,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3979 states, 2702 states have (on average 1.1262028127313102) internal successors, (3043), 2777 states have internal predecessors, (3043), 807 states have call successors, (807), 451 states have call predecessors, (807), 469 states have return successors, (840), 791 states have call predecessors, (840), 806 states have call successors, (840) [2024-11-24 02:12:52,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3979 states to 3979 states and 4690 transitions. [2024-11-24 02:12:52,552 INFO L78 Accepts]: Start accepts. Automaton has 3979 states and 4690 transitions. Word has length 951 [2024-11-24 02:12:52,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:12:52,553 INFO L471 AbstractCegarLoop]: Abstraction has 3979 states and 4690 transitions. [2024-11-24 02:12:52,553 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 34 states have (on average 17.88235294117647) internal successors, (608), 28 states have internal predecessors, (608), 16 states have call successors, (200), 5 states have call predecessors, (200), 13 states have return successors, (201), 20 states have call predecessors, (201), 16 states have call successors, (201) [2024-11-24 02:12:52,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3979 states and 4690 transitions. [2024-11-24 02:12:52,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 990 [2024-11-24 02:12:52,569 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:12:52,570 INFO L218 NwaCegarLoop]: trace histogram [40, 40, 40, 20, 20, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 8, 8, 7, 7, 5, 5, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:12:52,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-24 02:12:52,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:12:52,775 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 30 more)] === [2024-11-24 02:12:52,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:12:52,776 INFO L85 PathProgramCache]: Analyzing trace with hash 596305382, now seen corresponding path program 1 times [2024-11-24 02:12:52,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:12:52,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931988898] [2024-11-24 02:12:52,776 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:12:52,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:12:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:06,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4998 backedges. 20 proven. 511 refuted. 0 times theorem prover too weak. 4467 trivial. 0 not checked. [2024-11-24 02:13:06,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:13:06,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931988898] [2024-11-24 02:13:06,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931988898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 02:13:06,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076197249] [2024-11-24 02:13:06,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:13:06,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:13:06,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:13:06,332 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:13:06,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_974d126f-5996-4a61-a0c1-c2cea880a8e8/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-24 02:13:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:13:11,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 5263 conjuncts, 118 conjuncts are in the unsatisfiable core [2024-11-24 02:13:11,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:13:22,092 INFO L134 CoverageAnalysis]: Checked inductivity of 4998 backedges. 1323 proven. 528 refuted. 0 times theorem prover too weak. 3147 trivial. 0 not checked. [2024-11-24 02:13:22,093 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 02:13:32,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4998 backedges. 133 proven. 27 refuted. 0 times theorem prover too weak. 4838 trivial. 0 not checked. [2024-11-24 02:13:32,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076197249] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 02:13:32,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 02:13:32,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 21] total 69 [2024-11-24 02:13:32,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668981917] [2024-11-24 02:13:32,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 02:13:32,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2024-11-24 02:13:32,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:13:32,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2024-11-24 02:13:32,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=4493, Unknown=0, NotChecked=0, Total=4692 [2024-11-24 02:13:32,028 INFO L87 Difference]: Start difference. First operand 3979 states and 4690 transitions. Second operand has 69 states, 64 states have (on average 13.375) internal successors, (856), 55 states have internal predecessors, (856), 24 states have call successors, (291), 6 states have call predecessors, (291), 19 states have return successors, (292), 31 states have call predecessors, (292), 24 states have call successors, (292) [2024-11-24 02:13:36,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:13:40,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:13:44,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:13:48,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:13:52,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:13:56,257 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:00,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:04,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:08,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:12,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:16,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:20,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:24,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:28,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:32,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:36,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:40,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:44,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-24 02:14:48,686 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []