./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bbb4c890fadad0417fec53c1fd92092974d9fa843199f98b4f7f294d4c4112c7 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:09:06,408 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:09:06,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:09:06,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:09:06,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:09:06,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:09:06,454 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:09:06,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:09:06,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:09:06,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:09:06,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:09:06,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:09:06,465 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:09:06,467 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:09:06,469 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:09:06,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:09:06,472 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:09:06,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:09:06,477 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:09:06,480 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:09:06,483 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:09:06,485 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:09:06,487 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:09:06,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:09:06,493 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:09:06,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:09:06,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:09:06,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:09:06,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:09:06,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:09:06,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:09:06,501 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:09:06,502 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:09:06,503 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:09:06,505 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:09:06,505 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:09:06,506 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:09:06,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:09:06,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:09:06,509 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:09:06,510 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:09:06,511 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 00:09:06,543 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:09:06,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:09:06,547 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:09:06,547 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:09:06,548 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:09:06,551 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:09:06,551 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:09:06,552 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:09:06,554 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:09:06,554 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:09:06,554 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:09:06,555 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:09:06,555 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:09:06,555 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:09:06,556 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:09:06,557 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:09:06,557 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:09:06,558 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:09:06,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:09:06,559 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:09:06,559 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:09:06,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:09:06,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:09:06,560 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:09:06,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:09:06,561 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:09:06,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:09:06,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:09:06,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:09:06,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:09:06,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:09:06,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:09:06,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:09:06,564 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:09:06,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:09:06,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:09:06,565 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:09:06,565 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:09:06,565 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb4c890fadad0417fec53c1fd92092974d9fa843199f98b4f7f294d4c4112c7 [2021-11-21 00:09:06,928 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:09:06,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:09:06,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:09:06,956 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:09:06,957 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:09:06,959 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i [2021-11-21 00:09:07,076 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P/data/d873e62c1/0514016ee44f4955be8f911b94f160d8/FLAG9843e50fc [2021-11-21 00:09:08,590 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:09:08,591 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i [2021-11-21 00:09:08,703 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P/data/d873e62c1/0514016ee44f4955be8f911b94f160d8/FLAG9843e50fc [2021-11-21 00:09:09,089 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P/data/d873e62c1/0514016ee44f4955be8f911b94f160d8 [2021-11-21 00:09:09,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:09:09,095 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:09:09,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:09:09,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:09:09,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:09:09,102 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:09:09" (1/1) ... [2021-11-21 00:09:09,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109b4431 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:09, skipping insertion in model container [2021-11-21 00:09:09,104 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:09:09" (1/1) ... [2021-11-21 00:09:09,113 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:09:09,478 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:09:23,070 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914081,914094] [2021-11-21 00:09:23,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914226,914239] [2021-11-21 00:09:23,074 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914372,914385] [2021-11-21 00:09:23,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914537,914550] [2021-11-21 00:09:23,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914695,914708] [2021-11-21 00:09:23,076 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914853,914866] [2021-11-21 00:09:23,077 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915011,915024] [2021-11-21 00:09:23,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915171,915184] [2021-11-21 00:09:23,078 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915330,915343] [2021-11-21 00:09:23,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915469,915482] [2021-11-21 00:09:23,079 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915611,915624] [2021-11-21 00:09:23,080 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915760,915773] [2021-11-21 00:09:23,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915899,915912] [2021-11-21 00:09:23,081 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916054,916067] [2021-11-21 00:09:23,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916214,916227] [2021-11-21 00:09:23,082 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916365,916378] [2021-11-21 00:09:23,083 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916516,916529] [2021-11-21 00:09:23,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916668,916681] [2021-11-21 00:09:23,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916817,916830] [2021-11-21 00:09:23,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916965,916978] [2021-11-21 00:09:23,085 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917122,917135] [2021-11-21 00:09:23,086 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917271,917284] [2021-11-21 00:09:23,087 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917427,917440] [2021-11-21 00:09:23,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917580,917593] [2021-11-21 00:09:23,088 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917726,917739] [2021-11-21 00:09:23,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917869,917882] [2021-11-21 00:09:23,089 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918021,918034] [2021-11-21 00:09:23,090 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918167,918180] [2021-11-21 00:09:23,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918312,918325] [2021-11-21 00:09:23,091 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918466,918479] [2021-11-21 00:09:23,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918617,918630] [2021-11-21 00:09:23,092 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918772,918785] [2021-11-21 00:09:23,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918924,918937] [2021-11-21 00:09:23,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919079,919092] [2021-11-21 00:09:23,094 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919243,919256] [2021-11-21 00:09:23,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919399,919412] [2021-11-21 00:09:23,095 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919563,919576] [2021-11-21 00:09:23,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919705,919718] [2021-11-21 00:09:23,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919863,919876] [2021-11-21 00:09:23,097 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920030,920043] [2021-11-21 00:09:23,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920189,920202] [2021-11-21 00:09:23,098 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920348,920361] [2021-11-21 00:09:23,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920497,920510] [2021-11-21 00:09:23,099 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920644,920657] [2021-11-21 00:09:23,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920783,920796] [2021-11-21 00:09:23,100 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920946,920959] [2021-11-21 00:09:23,101 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921112,921125] [2021-11-21 00:09:23,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921276,921289] [2021-11-21 00:09:23,102 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921441,921454] [2021-11-21 00:09:23,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921606,921619] [2021-11-21 00:09:23,103 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921772,921785] [2021-11-21 00:09:23,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921937,921950] [2021-11-21 00:09:23,104 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922104,922117] [2021-11-21 00:09:23,105 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922264,922277] [2021-11-21 00:09:23,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922426,922439] [2021-11-21 00:09:23,106 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922585,922598] [2021-11-21 00:09:23,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922731,922744] [2021-11-21 00:09:23,107 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922874,922887] [2021-11-21 00:09:23,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923018,923031] [2021-11-21 00:09:23,108 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923161,923174] [2021-11-21 00:09:23,109 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923305,923318] [2021-11-21 00:09:23,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923446,923459] [2021-11-21 00:09:23,110 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923584,923597] [2021-11-21 00:09:23,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923742,923755] [2021-11-21 00:09:23,111 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923901,923914] [2021-11-21 00:09:23,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924057,924070] [2021-11-21 00:09:23,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924206,924219] [2021-11-21 00:09:23,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924358,924371] [2021-11-21 00:09:23,113 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924509,924522] [2021-11-21 00:09:23,114 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924658,924671] [2021-11-21 00:09:23,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924810,924823] [2021-11-21 00:09:23,115 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924958,924971] [2021-11-21 00:09:23,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925111,925124] [2021-11-21 00:09:23,116 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925262,925275] [2021-11-21 00:09:23,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925412,925425] [2021-11-21 00:09:23,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925559,925572] [2021-11-21 00:09:23,118 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925710,925723] [2021-11-21 00:09:23,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925861,925874] [2021-11-21 00:09:23,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926009,926022] [2021-11-21 00:09:23,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926175,926188] [2021-11-21 00:09:23,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926344,926357] [2021-11-21 00:09:23,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926511,926524] [2021-11-21 00:09:23,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926679,926692] [2021-11-21 00:09:23,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926829,926842] [2021-11-21 00:09:23,122 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926976,926989] [2021-11-21 00:09:23,123 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927137,927150] [2021-11-21 00:09:23,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927307,927320] [2021-11-21 00:09:23,124 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927469,927482] [2021-11-21 00:09:23,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:09:23,247 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:09:24,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914081,914094] [2021-11-21 00:09:24,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914226,914239] [2021-11-21 00:09:24,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914372,914385] [2021-11-21 00:09:24,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914537,914550] [2021-11-21 00:09:24,243 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914695,914708] [2021-11-21 00:09:24,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914853,914866] [2021-11-21 00:09:24,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915011,915024] [2021-11-21 00:09:24,244 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915171,915184] [2021-11-21 00:09:24,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915330,915343] [2021-11-21 00:09:24,245 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915469,915482] [2021-11-21 00:09:24,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915611,915624] [2021-11-21 00:09:24,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915760,915773] [2021-11-21 00:09:24,246 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915899,915912] [2021-11-21 00:09:24,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916054,916067] [2021-11-21 00:09:24,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916214,916227] [2021-11-21 00:09:24,247 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916365,916378] [2021-11-21 00:09:24,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916516,916529] [2021-11-21 00:09:24,248 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916668,916681] [2021-11-21 00:09:24,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916817,916830] [2021-11-21 00:09:24,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916965,916978] [2021-11-21 00:09:24,249 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917122,917135] [2021-11-21 00:09:24,250 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917271,917284] [2021-11-21 00:09:24,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917427,917440] [2021-11-21 00:09:24,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917580,917593] [2021-11-21 00:09:24,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917726,917739] [2021-11-21 00:09:24,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917869,917882] [2021-11-21 00:09:24,253 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918021,918034] [2021-11-21 00:09:24,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918167,918180] [2021-11-21 00:09:24,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918312,918325] [2021-11-21 00:09:24,254 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918466,918479] [2021-11-21 00:09:24,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918617,918630] [2021-11-21 00:09:24,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918772,918785] [2021-11-21 00:09:24,256 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918924,918937] [2021-11-21 00:09:24,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919079,919092] [2021-11-21 00:09:24,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919243,919256] [2021-11-21 00:09:24,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919399,919412] [2021-11-21 00:09:24,258 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919563,919576] [2021-11-21 00:09:24,259 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919705,919718] [2021-11-21 00:09:24,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919863,919876] [2021-11-21 00:09:24,261 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920030,920043] [2021-11-21 00:09:24,262 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920189,920202] [2021-11-21 00:09:24,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920348,920361] [2021-11-21 00:09:24,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920497,920510] [2021-11-21 00:09:24,263 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920644,920657] [2021-11-21 00:09:24,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920783,920796] [2021-11-21 00:09:24,264 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920946,920959] [2021-11-21 00:09:24,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921112,921125] [2021-11-21 00:09:24,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921276,921289] [2021-11-21 00:09:24,265 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921441,921454] [2021-11-21 00:09:24,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921606,921619] [2021-11-21 00:09:24,266 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921772,921785] [2021-11-21 00:09:24,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921937,921950] [2021-11-21 00:09:24,267 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922104,922117] [2021-11-21 00:09:24,268 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922264,922277] [2021-11-21 00:09:24,270 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922426,922439] [2021-11-21 00:09:24,271 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922585,922598] [2021-11-21 00:09:24,275 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922731,922744] [2021-11-21 00:09:24,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922874,922887] [2021-11-21 00:09:24,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923018,923031] [2021-11-21 00:09:24,276 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923161,923174] [2021-11-21 00:09:24,278 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923305,923318] [2021-11-21 00:09:24,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923446,923459] [2021-11-21 00:09:24,281 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923584,923597] [2021-11-21 00:09:24,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923742,923755] [2021-11-21 00:09:24,282 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923901,923914] [2021-11-21 00:09:24,289 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924057,924070] [2021-11-21 00:09:24,292 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924206,924219] [2021-11-21 00:09:24,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924358,924371] [2021-11-21 00:09:24,296 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924509,924522] [2021-11-21 00:09:24,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924658,924671] [2021-11-21 00:09:24,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924810,924823] [2021-11-21 00:09:24,297 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924958,924971] [2021-11-21 00:09:24,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925111,925124] [2021-11-21 00:09:24,298 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925262,925275] [2021-11-21 00:09:24,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925412,925425] [2021-11-21 00:09:24,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925559,925572] [2021-11-21 00:09:24,299 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925710,925723] [2021-11-21 00:09:24,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925861,925874] [2021-11-21 00:09:24,300 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926009,926022] [2021-11-21 00:09:24,301 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926175,926188] [2021-11-21 00:09:24,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926344,926357] [2021-11-21 00:09:24,302 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926511,926524] [2021-11-21 00:09:24,303 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926679,926692] [2021-11-21 00:09:24,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926829,926842] [2021-11-21 00:09:24,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926976,926989] [2021-11-21 00:09:24,304 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927137,927150] [2021-11-21 00:09:24,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927307,927320] [2021-11-21 00:09:24,305 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927469,927482] [2021-11-21 00:09:24,313 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:09:24,738 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:09:24,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:24 WrapperNode [2021-11-21 00:09:24,739 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:09:24,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:09:24,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:09:24,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:09:24,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:24" (1/1) ... [2021-11-21 00:09:24,915 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:24" (1/1) ... [2021-11-21 00:09:25,607 INFO L137 Inliner]: procedures = 1156, calls = 6188, calls flagged for inlining = 709, calls inlined = 626, statements flattened = 15176 [2021-11-21 00:09:25,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:09:25,609 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:09:25,610 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:09:25,610 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:09:25,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:24" (1/1) ... [2021-11-21 00:09:25,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:24" (1/1) ... [2021-11-21 00:09:25,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:24" (1/1) ... [2021-11-21 00:09:25,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:24" (1/1) ... [2021-11-21 00:09:26,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:24" (1/1) ... [2021-11-21 00:09:26,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:24" (1/1) ... [2021-11-21 00:09:26,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:24" (1/1) ... [2021-11-21 00:09:26,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:09:26,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:09:26,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:09:26,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:09:26,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:24" (1/1) ... [2021-11-21 00:09:26,738 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:09:26,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:09:26,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:09:26,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c8a0fb7-975b-4e7c-a3af-31c7612bc898/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:09:26,913 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_poll_mp [2021-11-21 00:09:26,913 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_poll_mp [2021-11-21 00:09:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure __wiimote_schedule [2021-11-21 00:09:26,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __wiimote_schedule [2021-11-21 00:09:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-21 00:09:26,914 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KAE [2021-11-21 00:09:26,914 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KAE [2021-11-21 00:09:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KAI [2021-11-21 00:09:26,915 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KAI [2021-11-21 00:09:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible_timeout [2021-11-21 00:09:26,915 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible_timeout [2021-11-21 00:09:26,915 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2021-11-21 00:09:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2021-11-21 00:09:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_keys_in_keys [2021-11-21 00:09:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_keys_in_keys [2021-11-21 00:09:26,916 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_battery_remove [2021-11-21 00:09:26,916 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_battery_remove [2021-11-21 00:09:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_state [2021-11-21 00:09:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_state [2021-11-21 00:09:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_led_probe [2021-11-21 00:09:26,917 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_led_probe [2021-11-21 00:09:26,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 00:09:26,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-21 00:09:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:09:26,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:09:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:09:26,918 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_drm [2021-11-21 00:09:26,919 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_drm [2021-11-21 00:09:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KEE [2021-11-21 00:09:26,919 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KEE [2021-11-21 00:09:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_check [2021-11-21 00:09:26,919 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_check [2021-11-21 00:09:26,919 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_mp_remove [2021-11-21 00:09:26,920 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_mp_remove [2021-11-21 00:09:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure handler_return [2021-11-21 00:09:26,920 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_return [2021-11-21 00:09:26,920 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-21 00:09:26,920 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-21 00:09:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure handler_ir [2021-11-21 00:09:26,921 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_ir [2021-11-21 00:09:26,921 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_led_remove [2021-11-21 00:09:26,921 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_led_remove [2021-11-21 00:09:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-21 00:09:26,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-21 00:09:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_worker [2021-11-21 00:09:26,922 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_worker [2021-11-21 00:09:26,922 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_nunchuk_remove [2021-11-21 00:09:26,923 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_nunchuk_remove [2021-11-21 00:09:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_hid_remove [2021-11-21 00:09:26,923 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_hid_remove [2021-11-21 00:09:26,923 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2021-11-21 00:09:26,923 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2021-11-21 00:09:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_keep_rumble [2021-11-21 00:09:26,924 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_keep_rumble [2021-11-21 00:09:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_mp_unload [2021-11-21 00:09:26,924 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_mp_unload [2021-11-21 00:09:26,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 00:09:26,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 00:09:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2021-11-21 00:09:26,925 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2021-11-21 00:09:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_acquire_noint [2021-11-21 00:09:26,925 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_acquire_noint [2021-11-21 00:09:26,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 00:09:26,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-21 00:09:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:09:26,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 00:09:26,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-21 00:09:26,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_116 [2021-11-21 00:09:26,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_116 [2021-11-21 00:09:26,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 00:09:26,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 00:09:26,927 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_hid_probe [2021-11-21 00:09:26,927 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_hid_probe [2021-11-21 00:09:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_probe [2021-11-21 00:09:26,928 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_probe [2021-11-21 00:09:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_calib_store [2021-11-21 00:09:26,928 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_calib_store [2021-11-21 00:09:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_start [2021-11-21 00:09:26,929 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_start [2021-11-21 00:09:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 00:09:26,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-21 00:09:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:09:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_sync_of_wiimote_state [2021-11-21 00:09:26,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_sync_of_wiimote_state [2021-11-21 00:09:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-21 00:09:26,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-21 00:09:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:09:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_modules_load [2021-11-21 00:09:26,931 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_modules_load [2021-11-21 00:09:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 00:09:26,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 00:09:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:09:26,931 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_in_ext [2021-11-21 00:09:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_in_ext [2021-11-21 00:09:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-21 00:09:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-21 00:09:26,932 INFO L130 BoogieDeclarations]: Found specification of procedure handler_data [2021-11-21 00:09:26,932 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_data [2021-11-21 00:09:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_write [2021-11-21 00:09:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_write [2021-11-21 00:09:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure handler_ext [2021-11-21 00:09:26,933 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_ext [2021-11-21 00:09:26,933 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-21 00:09:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-21 00:09:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_no_mp_remove [2021-11-21 00:09:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_no_mp_remove [2021-11-21 00:09:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-11-21 00:09:26,934 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-11-21 00:09:26,934 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_no_mp_probe [2021-11-21 00:09:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_no_mp_probe [2021-11-21 00:09:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_accel_in_accel [2021-11-21 00:09:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_accel_in_accel [2021-11-21 00:09:26,935 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-21 00:09:26,935 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-21 00:09:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_battery_probe [2021-11-21 00:09:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_battery_probe [2021-11-21 00:09:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:09:26,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:09:26,936 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_wait___0 [2021-11-21 00:09:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_wait___0 [2021-11-21 00:09:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 00:09:26,937 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read_ext [2021-11-21 00:09:26,937 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read_ext [2021-11-21 00:09:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_ext_load [2021-11-21 00:09:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_ext_load [2021-11-21 00:09:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_builtin_mp_remove [2021-11-21 00:09:26,938 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_builtin_mp_remove [2021-11-21 00:09:26,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-21 00:09:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-21 00:09:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_rumble_remove [2021-11-21 00:09:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_rumble_remove [2021-11-21 00:09:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 00:09:26,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-21 00:09:26,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:09:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-21 00:09:26,940 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-21 00:09:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 00:09:26,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-21 00:09:26,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sync_of_wiimote_state [2021-11-21 00:09:26,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sync_of_wiimote_state [2021-11-21 00:09:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:09:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KA [2021-11-21 00:09:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KA [2021-11-21 00:09:26,941 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KE [2021-11-21 00:09:26,941 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KE [2021-11-21 00:09:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_accel_remove [2021-11-21 00:09:26,942 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_accel_remove [2021-11-21 00:09:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_leds [2021-11-21 00:09:26,942 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_leds [2021-11-21 00:09:26,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2021-11-21 00:09:26,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2021-11-21 00:09:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_103 [2021-11-21 00:09:26,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_103 [2021-11-21 00:09:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2021-11-21 00:09:26,943 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2021-11-21 00:09:26,943 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-21 00:09:26,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-21 00:09:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-21 00:09:26,944 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-21 00:09:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_remove [2021-11-21 00:09:26,944 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_remove [2021-11-21 00:09:26,944 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-21 00:09:26,945 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-21 00:09:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-21 00:09:26,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-21 00:09:26,945 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2021-11-21 00:09:26,945 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2021-11-21 00:09:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_mp_in_mp [2021-11-21 00:09:26,946 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_mp_in_mp [2021-11-21 00:09:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 00:09:26,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-21 00:09:26,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 00:09:26,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-21 00:09:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_ir1 [2021-11-21 00:09:26,947 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_ir1 [2021-11-21 00:09:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_ir2 [2021-11-21 00:09:26,947 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_ir2 [2021-11-21 00:09:26,947 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-21 00:09:26,948 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-21 00:09:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure handler_keys [2021-11-21 00:09:26,948 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_keys [2021-11-21 00:09:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_hid_event [2021-11-21 00:09:26,948 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_hid_event [2021-11-21 00:09:26,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-21 00:09:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-21 00:09:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:09:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2021-11-21 00:09:26,949 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2021-11-21 00:09:26,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 00:09:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 00:09:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_rmem [2021-11-21 00:09:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_rmem [2021-11-21 00:09:26,950 INFO L130 BoogieDeclarations]: Found specification of procedure handler_status [2021-11-21 00:09:26,950 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_status [2021-11-21 00:09:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2021-11-21 00:09:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2021-11-21 00:09:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_builtin_mp_probe [2021-11-21 00:09:26,951 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_builtin_mp_probe [2021-11-21 00:09:26,951 INFO L130 BoogieDeclarations]: Found specification of procedure wiidebug_drm_write [2021-11-21 00:09:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure wiidebug_drm_write [2021-11-21 00:09:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_ext_store [2021-11-21 00:09:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_ext_store [2021-11-21 00:09:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_classic_remove [2021-11-21 00:09:26,952 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_classic_remove [2021-11-21 00:09:26,952 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_accel [2021-11-21 00:09:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_accel [2021-11-21 00:09:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_rumble_probe [2021-11-21 00:09:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_rumble_probe [2021-11-21 00:09:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure handler_generic_K [2021-11-21 00:09:26,953 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_generic_K [2021-11-21 00:09:26,953 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_release___0 [2021-11-21 00:09:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_release___0 [2021-11-21 00:09:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_hotplug [2021-11-21 00:09:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_hotplug [2021-11-21 00:09:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 00:09:26,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-21 00:09:26,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 00:09:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 00:09:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 00:09:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 00:09:26,955 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_remove [2021-11-21 00:09:26,955 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_remove [2021-11-21 00:09:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_abort [2021-11-21 00:09:26,956 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_abort [2021-11-21 00:09:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_status [2021-11-21 00:09:26,956 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_status [2021-11-21 00:09:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_drvdata [2021-11-21 00:09:26,956 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_drvdata [2021-11-21 00:09:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~VOID [2021-11-21 00:09:26,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~VOID [2021-11-21 00:09:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-21 00:09:26,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-21 00:09:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 00:09:26,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-21 00:09:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-21 00:09:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-21 00:09:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_set [2021-11-21 00:09:26,958 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_set [2021-11-21 00:09:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-11-21 00:09:26,959 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-11-21 00:09:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_destroy [2021-11-21 00:09:26,959 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_destroy [2021-11-21 00:09:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 00:09:26,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 00:09:26,959 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_mp_probe [2021-11-21 00:09:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_mp_probe [2021-11-21 00:09:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 00:09:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 00:09:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-21 00:09:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-21 00:09:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_detect [2021-11-21 00:09:26,961 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_detect [2021-11-21 00:09:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:09:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_rumble [2021-11-21 00:09:26,961 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_rumble [2021-11-21 00:09:26,961 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_keys_probe [2021-11-21 00:09:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_keys_probe [2021-11-21 00:09:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-21 00:09:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-21 00:09:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-21 00:09:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-21 00:09:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-21 00:09:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-21 00:09:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_change [2021-11-21 00:09:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_change [2021-11-21 00:09:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2021-11-21 00:09:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2021-11-21 00:09:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 00:09:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-21 00:09:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-21 00:09:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-21 00:09:26,964 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-21 00:09:26,964 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-21 00:09:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-21 00:09:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_remove [2021-11-21 00:09:26,965 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_remove [2021-11-21 00:09:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 00:09:26,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-21 00:09:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-21 00:09:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 00:09:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 00:09:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 00:09:26,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-21 00:09:26,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 00:09:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-21 00:09:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure handler_status_K [2021-11-21 00:09:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_status_K [2021-11-21 00:09:26,967 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_init_mp [2021-11-21 00:09:26,967 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_init_mp [2021-11-21 00:09:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_sync_of_wiimote_state [2021-11-21 00:09:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_sync_of_wiimote_state [2021-11-21 00:09:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-21 00:09:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-21 00:09:26,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:09:26,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:09:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_nunchuk_in_ext [2021-11-21 00:09:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_nunchuk_in_ext [2021-11-21 00:09:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:09:26,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:09:26,969 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_complete [2021-11-21 00:09:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_complete [2021-11-21 00:09:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-21 00:09:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-21 00:09:26,970 INFO L130 BoogieDeclarations]: Found specification of procedure valid_ext_handler [2021-11-21 00:09:26,970 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_ext_handler [2021-11-21 00:09:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 00:09:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-21 00:09:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_SKAI1 [2021-11-21 00:09:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_SKAI1 [2021-11-21 00:09:26,971 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_SKAI2 [2021-11-21 00:09:26,971 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_SKAI2 [2021-11-21 00:09:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-21 00:09:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-21 00:09:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KAIE [2021-11-21 00:09:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KAIE [2021-11-21 00:09:26,972 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_ext_unload [2021-11-21 00:09:26,972 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_ext_unload [2021-11-21 00:09:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_probe [2021-11-21 00:09:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_probe [2021-11-21 00:09:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_E [2021-11-21 00:09:26,973 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_E [2021-11-21 00:09:26,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 00:09:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 00:09:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 00:09:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:09:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:09:26,974 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-21 00:09:26,974 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-21 00:09:26,975 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2021-11-21 00:09:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2021-11-21 00:09:26,975 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_acquire [2021-11-21 00:09:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_acquire [2021-11-21 00:09:26,975 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-21 00:09:26,975 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-21 00:09:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure wiidebug_drm_open [2021-11-21 00:09:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure wiidebug_drm_open [2021-11-21 00:09:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_wiimote_state [2021-11-21 00:09:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_wiimote_state [2021-11-21 00:09:26,976 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_queue [2021-11-21 00:09:26,976 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_queue [2021-11-21 00:09:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_probe [2021-11-21 00:09:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_probe [2021-11-21 00:09:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~bool~0~X~int~TO~VOID [2021-11-21 00:09:26,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~bool~0~X~int~TO~VOID [2021-11-21 00:09:26,977 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2021-11-21 00:09:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2021-11-21 00:09:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_set_type [2021-11-21 00:09:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_set_type [2021-11-21 00:09:26,978 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_schedule [2021-11-21 00:09:26,978 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_schedule [2021-11-21 00:09:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-21 00:09:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-21 00:09:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:09:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-21 00:09:26,979 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-21 00:09:26,979 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_classic_in_ext [2021-11-21 00:09:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_classic_in_ext [2021-11-21 00:09:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 00:09:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-21 00:09:26,980 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_pending [2021-11-21 00:09:26,980 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_pending [2021-11-21 00:09:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 00:09:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 00:09:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure handler_accel [2021-11-21 00:09:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_accel [2021-11-21 00:09:26,981 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KIE [2021-11-21 00:09:26,981 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KIE [2021-11-21 00:09:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read_mp_mapped [2021-11-21 00:09:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read_mp_mapped [2021-11-21 00:09:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure wiidebug_eeprom_read [2021-11-21 00:09:26,982 INFO L138 BoogieDeclarations]: Found implementation of procedure wiidebug_eeprom_read [2021-11-21 00:09:26,982 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-21 00:09:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-21 00:09:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_classic_probe [2021-11-21 00:09:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_classic_probe [2021-11-21 00:09:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-21 00:09:26,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-21 00:09:26,983 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_init_ext [2021-11-21 00:09:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_init_ext [2021-11-21 00:09:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_release [2021-11-21 00:09:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_release [2021-11-21 00:09:26,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 00:09:26,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-21 00:09:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-11-21 00:09:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2021-11-21 00:09:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 00:09:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 00:09:26,985 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_mp_load [2021-11-21 00:09:26,985 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_mp_load [2021-11-21 00:09:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-21 00:09:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-21 00:09:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create_memless [2021-11-21 00:09:26,986 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create_memless [2021-11-21 00:09:26,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 00:09:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-21 00:09:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-21 00:09:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-21 00:09:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_nunchuk_probe [2021-11-21 00:09:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_nunchuk_probe [2021-11-21 00:09:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_wait_for_completion_ready_of_wiimote_state [2021-11-21 00:09:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_wait_for_completion_ready_of_wiimote_state [2021-11-21 00:09:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read_mp [2021-11-21 00:09:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read_mp [2021-11-21 00:09:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_in_ir [2021-11-21 00:09:26,988 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_in_ir [2021-11-21 00:09:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 00:09:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-21 00:09:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-11-21 00:09:26,989 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-11-21 00:09:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_in_keys [2021-11-21 00:09:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_in_keys [2021-11-21 00:09:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_in_ext [2021-11-21 00:09:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_in_ext [2021-11-21 00:09:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 00:09:26,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 00:09:26,990 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-21 00:09:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-21 00:09:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 00:09:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-21 00:09:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_wait [2021-11-21 00:09:26,991 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_wait [2021-11-21 00:09:26,991 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:09:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:09:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-11-21 00:09:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-11-21 00:09:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_queue [2021-11-21 00:09:26,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_queue [2021-11-21 00:09:26,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:09:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 00:09:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-21 00:09:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read [2021-11-21 00:09:26,993 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read [2021-11-21 00:09:26,993 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-21 00:09:26,994 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-21 00:09:26,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_115 [2021-11-21 00:09:26,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_115 [2021-11-21 00:09:29,983 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:09:29,990 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:09:30,523 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 00:09:50,143 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:09:53,760 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:09:53,760 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 00:09:53,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:09:53 BoogieIcfgContainer [2021-11-21 00:09:53,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:09:53,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:09:53,778 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:09:53,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:09:53,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:09:09" (1/3) ... [2021-11-21 00:09:53,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f4a0c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:09:53, skipping insertion in model container [2021-11-21 00:09:53,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:09:24" (2/3) ... [2021-11-21 00:09:53,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f4a0c53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:09:53, skipping insertion in model container [2021-11-21 00:09:53,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:09:53" (3/3) ... [2021-11-21 00:09:53,792 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i [2021-11-21 00:09:53,799 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:09:53,799 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-21 00:09:53,899 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:09:53,912 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:09:53,912 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-21 00:09:54,094 INFO L276 IsEmpty]: Start isEmpty. Operand has 5646 states, 2985 states have (on average 1.3152428810720267) internal successors, (3926), 3445 states have internal predecessors, (3926), 2424 states have call successors, (2424), 209 states have call predecessors, (2424), 208 states have return successors, (2377), 2115 states have call predecessors, (2377), 2377 states have call successors, (2377) [2021-11-21 00:09:54,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-21 00:09:54,103 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:09:54,104 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:09:54,105 INFO L402 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 26 more)] === [2021-11-21 00:09:54,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:09:54,111 INFO L85 PathProgramCache]: Analyzing trace with hash 453767284, now seen corresponding path program 1 times [2021-11-21 00:09:54,123 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:09:54,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559482461] [2021-11-21 00:09:54,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:09:54,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:09:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:09:55,167 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:09:55,168 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:09:55,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559482461] [2021-11-21 00:09:55,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559482461] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:09:55,172 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:09:55,173 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:09:55,174 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678638548] [2021-11-21 00:09:55,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:09:55,180 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:09:55,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:09:55,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:09:55,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:09:55,245 INFO L87 Difference]: Start difference. First operand has 5646 states, 2985 states have (on average 1.3152428810720267) internal successors, (3926), 3445 states have internal predecessors, (3926), 2424 states have call successors, (2424), 209 states have call predecessors, (2424), 208 states have return successors, (2377), 2115 states have call predecessors, (2377), 2377 states have call successors, (2377) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2021-11-21 00:09:58,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:10:00,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:10:01,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:10:01,865 INFO L93 Difference]: Finished difference Result 11266 states and 18064 transitions. [2021-11-21 00:10:01,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:10:01,868 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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 47 [2021-11-21 00:10:01,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:10:01,987 INFO L225 Difference]: With dead ends: 11266 [2021-11-21 00:10:01,987 INFO L226 Difference]: Without dead ends: 5589 [2021-11-21 00:10:02,074 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:10:02,079 INFO L933 BasicCegarLoop]: 8309 mSDtfsCounter, 8676 mSDsluCounter, 8693 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8678 SdHoareTripleChecker+Valid, 16618 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:10:02,081 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8678 Valid, 16618 Invalid, 771 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-11-21 00:10:02,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5589 states. [2021-11-21 00:10:03,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5589 to 5589. [2021-11-21 00:10:03,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5589 states, 2978 states have (on average 1.2904633982538616) internal successors, (3843), 3391 states have internal predecessors, (3843), 2377 states have call successors, (2377), 208 states have call predecessors, (2377), 207 states have return successors, (2375), 2113 states have call predecessors, (2375), 2375 states have call successors, (2375) [2021-11-21 00:10:03,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5589 states to 5589 states and 8595 transitions. [2021-11-21 00:10:03,491 INFO L78 Accepts]: Start accepts. Automaton has 5589 states and 8595 transitions. Word has length 47 [2021-11-21 00:10:03,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:10:03,493 INFO L470 AbstractCegarLoop]: Abstraction has 5589 states and 8595 transitions. [2021-11-21 00:10:03,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 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) [2021-11-21 00:10:03,495 INFO L276 IsEmpty]: Start isEmpty. Operand 5589 states and 8595 transitions. [2021-11-21 00:10:03,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-21 00:10:03,502 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:10:03,503 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:10:03,503 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:10:03,505 INFO L402 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 26 more)] === [2021-11-21 00:10:03,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:10:03,507 INFO L85 PathProgramCache]: Analyzing trace with hash 444470025, now seen corresponding path program 1 times [2021-11-21 00:10:03,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:10:03,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964664502] [2021-11-21 00:10:03,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:10:03,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:10:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:10:04,052 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:10:04,053 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:10:04,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964664502] [2021-11-21 00:10:04,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964664502] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:10:04,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:10:04,054 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:10:04,054 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136460523] [2021-11-21 00:10:04,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:10:04,056 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:10:04,056 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:10:04,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:10:04,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:10:04,057 INFO L87 Difference]: Start difference. First operand 5589 states and 8595 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-11-21 00:10:08,031 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:10:09,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:10:09,773 INFO L93 Difference]: Finished difference Result 6233 states and 9483 transitions. [2021-11-21 00:10:09,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:10:09,774 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 52 [2021-11-21 00:10:09,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:10:09,861 INFO L225 Difference]: With dead ends: 6233 [2021-11-21 00:10:09,862 INFO L226 Difference]: Without dead ends: 6231 [2021-11-21 00:10:09,869 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:10:09,873 INFO L933 BasicCegarLoop]: 8467 mSDtfsCounter, 8484 mSDsluCounter, 9817 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8492 SdHoareTripleChecker+Valid, 17847 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:10:09,874 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8492 Valid, 17847 Invalid, 823 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2021-11-21 00:10:10,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6231 states. [2021-11-21 00:10:10,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6231 to 6226. [2021-11-21 00:10:11,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6226 states, 3307 states have (on average 1.2851527063804051) internal successors, (4250), 3761 states have internal predecessors, (4250), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2021-11-21 00:10:11,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6226 states to 6226 states and 9478 transitions. [2021-11-21 00:10:11,084 INFO L78 Accepts]: Start accepts. Automaton has 6226 states and 9478 transitions. Word has length 52 [2021-11-21 00:10:11,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:10:11,086 INFO L470 AbstractCegarLoop]: Abstraction has 6226 states and 9478 transitions. [2021-11-21 00:10:11,086 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-11-21 00:10:11,086 INFO L276 IsEmpty]: Start isEmpty. Operand 6226 states and 9478 transitions. [2021-11-21 00:10:11,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-21 00:10:11,098 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:10:11,098 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:10:11,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:10:11,099 INFO L402 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 26 more)] === [2021-11-21 00:10:11,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:10:11,100 INFO L85 PathProgramCache]: Analyzing trace with hash -915451269, now seen corresponding path program 1 times [2021-11-21 00:10:11,100 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:10:11,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837395873] [2021-11-21 00:10:11,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:10:11,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:10:11,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:10:11,603 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:10:11,604 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:10:11,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837395873] [2021-11-21 00:10:11,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837395873] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:10:11,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:10:11,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:10:11,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842531115] [2021-11-21 00:10:11,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:10:11,607 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:10:11,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:10:11,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:10:11,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:10:11,608 INFO L87 Difference]: Start difference. First operand 6226 states and 9478 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-11-21 00:10:15,506 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:10:17,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:10:17,175 INFO L93 Difference]: Finished difference Result 6231 states and 9481 transitions. [2021-11-21 00:10:17,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:10:17,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 57 [2021-11-21 00:10:17,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:10:17,248 INFO L225 Difference]: With dead ends: 6231 [2021-11-21 00:10:17,248 INFO L226 Difference]: Without dead ends: 6229 [2021-11-21 00:10:17,255 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:10:17,259 INFO L933 BasicCegarLoop]: 8466 mSDtfsCounter, 8481 mSDsluCounter, 9816 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8489 SdHoareTripleChecker+Valid, 17845 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:10:17,261 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8489 Valid, 17845 Invalid, 823 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2021-11-21 00:10:17,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6229 states. [2021-11-21 00:10:18,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6229 to 6224. [2021-11-21 00:10:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6224 states, 3306 states have (on average 1.2849364791288567) internal successors, (4248), 3759 states have internal predecessors, (4248), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2021-11-21 00:10:18,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6224 states to 6224 states and 9476 transitions. [2021-11-21 00:10:18,236 INFO L78 Accepts]: Start accepts. Automaton has 6224 states and 9476 transitions. Word has length 57 [2021-11-21 00:10:18,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:10:18,239 INFO L470 AbstractCegarLoop]: Abstraction has 6224 states and 9476 transitions. [2021-11-21 00:10:18,239 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2021-11-21 00:10:18,240 INFO L276 IsEmpty]: Start isEmpty. Operand 6224 states and 9476 transitions. [2021-11-21 00:10:18,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-21 00:10:18,244 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:10:18,244 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:10:18,244 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:10:18,245 INFO L402 AbstractCegarLoop]: === Iteration 4 === 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 26 more)] === [2021-11-21 00:10:18,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:10:18,245 INFO L85 PathProgramCache]: Analyzing trace with hash 960706566, now seen corresponding path program 1 times [2021-11-21 00:10:18,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:10:18,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182871223] [2021-11-21 00:10:18,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:10:18,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:10:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:10:18,642 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:10:18,642 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:10:18,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182871223] [2021-11-21 00:10:18,643 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182871223] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:10:18,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:10:18,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:10:18,644 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261126217] [2021-11-21 00:10:18,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:10:18,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:10:18,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:10:18,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:10:18,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:10:18,646 INFO L87 Difference]: Start difference. First operand 6224 states and 9476 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2021-11-21 00:10:21,784 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:10:23,800 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:10:25,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:10:25,079 INFO L93 Difference]: Finished difference Result 6224 states and 9476 transitions. [2021-11-21 00:10:25,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:10:25,080 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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 62 [2021-11-21 00:10:25,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:10:25,186 INFO L225 Difference]: With dead ends: 6224 [2021-11-21 00:10:25,186 INFO L226 Difference]: Without dead ends: 6222 [2021-11-21 00:10:25,195 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:10:25,201 INFO L933 BasicCegarLoop]: 8203 mSDtfsCounter, 8566 mSDsluCounter, 8586 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8568 SdHoareTripleChecker+Valid, 16406 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:10:25,202 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8568 Valid, 16406 Invalid, 769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2021-11-21 00:10:25,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6222 states. [2021-11-21 00:10:26,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6222 to 6222. [2021-11-21 00:10:26,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6222 states, 3305 states have (on average 1.2847201210287442) internal successors, (4246), 3757 states have internal predecessors, (4246), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2021-11-21 00:10:26,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6222 states to 6222 states and 9474 transitions. [2021-11-21 00:10:26,344 INFO L78 Accepts]: Start accepts. Automaton has 6222 states and 9474 transitions. Word has length 62 [2021-11-21 00:10:26,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:10:26,344 INFO L470 AbstractCegarLoop]: Abstraction has 6222 states and 9474 transitions. [2021-11-21 00:10:26,345 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 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) [2021-11-21 00:10:26,345 INFO L276 IsEmpty]: Start isEmpty. Operand 6222 states and 9474 transitions. [2021-11-21 00:10:26,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-21 00:10:26,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:10:26,348 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:10:26,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:10:26,356 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 26 more)] === [2021-11-21 00:10:26,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:10:26,357 INFO L85 PathProgramCache]: Analyzing trace with hash -2139016666, now seen corresponding path program 1 times [2021-11-21 00:10:26,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:10:26,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774631646] [2021-11-21 00:10:26,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:10:26,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:10:26,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:10:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:10:26,845 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:10:26,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774631646] [2021-11-21 00:10:26,846 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774631646] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:10:26,846 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:10:26,846 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:10:26,846 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264271204] [2021-11-21 00:10:26,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:10:26,848 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:10:26,849 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:10:26,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:10:26,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:10:26,850 INFO L87 Difference]: Start difference. First operand 6222 states and 9474 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-11-21 00:10:30,537 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:10:31,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:10:31,956 INFO L93 Difference]: Finished difference Result 6227 states and 9477 transitions. [2021-11-21 00:10:31,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:10:31,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 67 [2021-11-21 00:10:31,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:10:32,008 INFO L225 Difference]: With dead ends: 6227 [2021-11-21 00:10:32,008 INFO L226 Difference]: Without dead ends: 6225 [2021-11-21 00:10:32,016 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:10:32,017 INFO L933 BasicCegarLoop]: 8463 mSDtfsCounter, 8475 mSDsluCounter, 9813 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8483 SdHoareTripleChecker+Valid, 17839 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:10:32,017 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8483 Valid, 17839 Invalid, 823 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2021-11-21 00:10:32,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6225 states. [2021-11-21 00:10:32,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6225 to 6220. [2021-11-21 00:10:32,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6220 states, 3304 states have (on average 1.284503631961259) internal successors, (4244), 3755 states have internal predecessors, (4244), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2021-11-21 00:10:32,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6220 states to 6220 states and 9472 transitions. [2021-11-21 00:10:32,912 INFO L78 Accepts]: Start accepts. Automaton has 6220 states and 9472 transitions. Word has length 67 [2021-11-21 00:10:32,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:10:32,913 INFO L470 AbstractCegarLoop]: Abstraction has 6220 states and 9472 transitions. [2021-11-21 00:10:32,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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) [2021-11-21 00:10:32,913 INFO L276 IsEmpty]: Start isEmpty. Operand 6220 states and 9472 transitions. [2021-11-21 00:10:32,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-21 00:10:32,915 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:10:32,915 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:10:32,915 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:10:32,915 INFO L402 AbstractCegarLoop]: === Iteration 6 === 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 26 more)] === [2021-11-21 00:10:32,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:10:32,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1054566781, now seen corresponding path program 1 times [2021-11-21 00:10:32,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:10:32,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558367356] [2021-11-21 00:10:32,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:10:32,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:10:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:10:33,232 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:10:33,232 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:10:33,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558367356] [2021-11-21 00:10:33,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558367356] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:10:33,233 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:10:33,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:10:33,233 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238781939] [2021-11-21 00:10:33,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:10:33,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:10:33,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:10:33,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:10:33,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:10:33,235 INFO L87 Difference]: Start difference. First operand 6220 states and 9472 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2021-11-21 00:10:36,306 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:10:38,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:10:39,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:10:39,178 INFO L93 Difference]: Finished difference Result 6220 states and 9472 transitions. [2021-11-21 00:10:39,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:10:39,179 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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 72 [2021-11-21 00:10:39,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:10:39,223 INFO L225 Difference]: With dead ends: 6220 [2021-11-21 00:10:39,223 INFO L226 Difference]: Without dead ends: 6218 [2021-11-21 00:10:39,229 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:10:39,230 INFO L933 BasicCegarLoop]: 8199 mSDtfsCounter, 8560 mSDsluCounter, 8582 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8562 SdHoareTripleChecker+Valid, 16398 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:10:39,230 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8562 Valid, 16398 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2021-11-21 00:10:39,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6218 states. [2021-11-21 00:10:40,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6218 to 6218. [2021-11-21 00:10:40,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6218 states, 3303 states have (on average 1.2842870118074479) internal successors, (4242), 3753 states have internal predecessors, (4242), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2021-11-21 00:10:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6218 states to 6218 states and 9470 transitions. [2021-11-21 00:10:40,074 INFO L78 Accepts]: Start accepts. Automaton has 6218 states and 9470 transitions. Word has length 72 [2021-11-21 00:10:40,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:10:40,077 INFO L470 AbstractCegarLoop]: Abstraction has 6218 states and 9470 transitions. [2021-11-21 00:10:40,077 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2021-11-21 00:10:40,077 INFO L276 IsEmpty]: Start isEmpty. Operand 6218 states and 9470 transitions. [2021-11-21 00:10:40,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-21 00:10:40,079 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:10:40,079 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:10:40,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 00:10:40,080 INFO L402 AbstractCegarLoop]: === Iteration 7 === 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 26 more)] === [2021-11-21 00:10:40,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:10:40,080 INFO L85 PathProgramCache]: Analyzing trace with hash 526480789, now seen corresponding path program 1 times [2021-11-21 00:10:40,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:10:40,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71381845] [2021-11-21 00:10:40,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:10:40,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:10:40,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:10:40,412 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:10:40,413 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:10:40,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71381845] [2021-11-21 00:10:40,413 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71381845] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:10:40,413 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:10:40,413 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:10:40,414 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835294824] [2021-11-21 00:10:40,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:10:40,414 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:10:40,415 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:10:40,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:10:40,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:10:40,415 INFO L87 Difference]: Start difference. First operand 6218 states and 9470 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-11-21 00:10:44,730 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:10:46,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:10:46,032 INFO L93 Difference]: Finished difference Result 6223 states and 9473 transitions. [2021-11-21 00:10:46,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:10:46,033 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 77 [2021-11-21 00:10:46,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:10:46,069 INFO L225 Difference]: With dead ends: 6223 [2021-11-21 00:10:46,069 INFO L226 Difference]: Without dead ends: 6221 [2021-11-21 00:10:46,073 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:10:46,074 INFO L933 BasicCegarLoop]: 8458 mSDtfsCounter, 8469 mSDsluCounter, 9808 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8477 SdHoareTripleChecker+Valid, 17829 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:10:46,075 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8477 Valid, 17829 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2021-11-21 00:10:46,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6221 states. [2021-11-21 00:10:46,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6221 to 6216. [2021-11-21 00:10:46,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6216 states, 3302 states have (on average 1.2840702604482133) internal successors, (4240), 3751 states have internal predecessors, (4240), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2021-11-21 00:10:46,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6216 states to 6216 states and 9468 transitions. [2021-11-21 00:10:46,749 INFO L78 Accepts]: Start accepts. Automaton has 6216 states and 9468 transitions. Word has length 77 [2021-11-21 00:10:46,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:10:46,750 INFO L470 AbstractCegarLoop]: Abstraction has 6216 states and 9468 transitions. [2021-11-21 00:10:46,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2021-11-21 00:10:46,750 INFO L276 IsEmpty]: Start isEmpty. Operand 6216 states and 9468 transitions. [2021-11-21 00:10:46,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-21 00:10:46,760 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:10:46,760 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-21 00:10:46,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 00:10:46,762 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:10:46,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:10:46,763 INFO L85 PathProgramCache]: Analyzing trace with hash -817534190, now seen corresponding path program 1 times [2021-11-21 00:10:46,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:10:46,763 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268233261] [2021-11-21 00:10:46,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:10:46,764 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:10:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:10:47,204 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-11-21 00:10:47,205 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:10:47,205 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268233261] [2021-11-21 00:10:47,205 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268233261] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:10:47,205 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:10:47,205 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-21 00:10:47,206 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075186356] [2021-11-21 00:10:47,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:10:47,206 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-21 00:10:47,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:10:47,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-21 00:10:47,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-21 00:10:47,207 INFO L87 Difference]: Start difference. First operand 6216 states and 9468 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:10:52,307 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:10:54,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:10:56,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:10:57,873 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:11:07,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:11:07,890 INFO L93 Difference]: Finished difference Result 6264 states and 9517 transitions. [2021-11-21 00:11:07,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:11:07,891 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2021-11-21 00:11:07,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:11:07,932 INFO L225 Difference]: With dead ends: 6264 [2021-11-21 00:11:07,932 INFO L226 Difference]: Without dead ends: 6262 [2021-11-21 00:11:07,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-21 00:11:07,940 INFO L933 BasicCegarLoop]: 8206 mSDtfsCounter, 8553 mSDsluCounter, 21055 mSDsCounter, 0 mSdLazyCounter, 6293 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8558 SdHoareTripleChecker+Valid, 28114 SdHoareTripleChecker+Invalid, 6299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6293 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:11:07,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8558 Valid, 28114 Invalid, 6299 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6293 Invalid, 2 Unknown, 0 Unchecked, 20.0s Time] [2021-11-21 00:11:07,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6262 states. [2021-11-21 00:11:08,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6262 to 6258. [2021-11-21 00:11:08,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6258 states, 3323 states have (on average 1.2828769184471862) internal successors, (4263), 3771 states have internal predecessors, (4263), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-21 00:11:08,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6258 states to 6258 states and 9513 transitions. [2021-11-21 00:11:08,792 INFO L78 Accepts]: Start accepts. Automaton has 6258 states and 9513 transitions. Word has length 100 [2021-11-21 00:11:08,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:11:08,794 INFO L470 AbstractCegarLoop]: Abstraction has 6258 states and 9513 transitions. [2021-11-21 00:11:08,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:11:08,795 INFO L276 IsEmpty]: Start isEmpty. Operand 6258 states and 9513 transitions. [2021-11-21 00:11:08,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-21 00:11:08,798 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:11:08,798 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2021-11-21 00:11:08,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 00:11:08,799 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting kzallocErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:11:08,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:11:08,799 INFO L85 PathProgramCache]: Analyzing trace with hash 2063340134, now seen corresponding path program 1 times [2021-11-21 00:11:08,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:11:08,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096283322] [2021-11-21 00:11:08,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:11:08,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:11:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:11:09,100 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-11-21 00:11:09,101 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:11:09,101 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096283322] [2021-11-21 00:11:09,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2096283322] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:11:09,101 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:11:09,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-21 00:11:09,102 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338719260] [2021-11-21 00:11:09,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:11:09,103 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-21 00:11:09,103 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:11:09,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-21 00:11:09,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-21 00:11:09,104 INFO L87 Difference]: Start difference. First operand 6258 states and 9513 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:11:12,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:11:12,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:11:12,928 INFO L93 Difference]: Finished difference Result 12497 states and 19078 transitions. [2021-11-21 00:11:12,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-21 00:11:12,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2021-11-21 00:11:12,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:11:12,972 INFO L225 Difference]: With dead ends: 12497 [2021-11-21 00:11:12,972 INFO L226 Difference]: Without dead ends: 6259 [2021-11-21 00:11:13,034 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:11:13,035 INFO L933 BasicCegarLoop]: 8451 mSDtfsCounter, 8460 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8466 SdHoareTripleChecker+Valid, 9364 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:11:13,035 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8466 Valid, 9364 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 439 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2021-11-21 00:11:13,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6259 states. [2021-11-21 00:11:13,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6259 to 6254. [2021-11-21 00:11:13,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6254 states, 3320 states have (on average 1.2825301204819277) internal successors, (4258), 3767 states have internal predecessors, (4258), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-21 00:11:13,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6254 states to 6254 states and 9508 transitions. [2021-11-21 00:11:13,912 INFO L78 Accepts]: Start accepts. Automaton has 6254 states and 9508 transitions. Word has length 103 [2021-11-21 00:11:13,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:11:13,913 INFO L470 AbstractCegarLoop]: Abstraction has 6254 states and 9508 transitions. [2021-11-21 00:11:13,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-21 00:11:13,913 INFO L276 IsEmpty]: Start isEmpty. Operand 6254 states and 9508 transitions. [2021-11-21 00:11:13,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-21 00:11:13,915 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:11:13,916 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:11:13,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 00:11:13,916 INFO L402 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 26 more)] === [2021-11-21 00:11:13,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:11:13,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1956251084, now seen corresponding path program 1 times [2021-11-21 00:11:13,917 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:11:13,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56737530] [2021-11-21 00:11:13,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:11:13,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:11:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:11:14,243 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:11:14,244 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:11:14,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56737530] [2021-11-21 00:11:14,244 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56737530] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:11:14,244 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:11:14,244 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:11:14,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988775610] [2021-11-21 00:11:14,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:11:14,245 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:11:14,245 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:11:14,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:11:14,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:11:14,246 INFO L87 Difference]: Start difference. First operand 6254 states and 9508 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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) [2021-11-21 00:11:17,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:11:18,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:11:18,890 INFO L93 Difference]: Finished difference Result 6259 states and 9511 transitions. [2021-11-21 00:11:18,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:11:18,890 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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 82 [2021-11-21 00:11:18,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:11:18,929 INFO L225 Difference]: With dead ends: 6259 [2021-11-21 00:11:18,929 INFO L226 Difference]: Without dead ends: 6257 [2021-11-21 00:11:18,935 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:11:18,936 INFO L933 BasicCegarLoop]: 8449 mSDtfsCounter, 8463 mSDsluCounter, 9795 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8471 SdHoareTripleChecker+Valid, 17807 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:11:18,936 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8471 Valid, 17807 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-11-21 00:11:18,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6257 states. [2021-11-21 00:11:19,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6257 to 6252. [2021-11-21 00:11:19,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6252 states, 3319 states have (on average 1.2823139499849352) internal successors, (4256), 3765 states have internal predecessors, (4256), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-21 00:11:19,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6252 states to 6252 states and 9506 transitions. [2021-11-21 00:11:19,769 INFO L78 Accepts]: Start accepts. Automaton has 6252 states and 9506 transitions. Word has length 82 [2021-11-21 00:11:19,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:11:19,769 INFO L470 AbstractCegarLoop]: Abstraction has 6252 states and 9506 transitions. [2021-11-21 00:11:19,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (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) [2021-11-21 00:11:19,770 INFO L276 IsEmpty]: Start isEmpty. Operand 6252 states and 9506 transitions. [2021-11-21 00:11:19,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-21 00:11:19,771 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:11:19,772 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:11:19,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-21 00:11:19,772 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 26 more)] === [2021-11-21 00:11:19,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:11:19,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1238588279, now seen corresponding path program 1 times [2021-11-21 00:11:19,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:11:19,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013991162] [2021-11-21 00:11:19,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:11:19,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:11:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:11:20,040 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:11:20,041 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:11:20,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013991162] [2021-11-21 00:11:20,041 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013991162] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:11:20,041 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:11:20,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:11:20,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755129461] [2021-11-21 00:11:20,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:11:20,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:11:20,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:11:20,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:11:20,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:11:20,044 INFO L87 Difference]: Start difference. First operand 6252 states and 9506 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, (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) [2021-11-21 00:11:23,596 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:11:25,611 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:11:26,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:11:26,432 INFO L93 Difference]: Finished difference Result 6252 states and 9506 transitions. [2021-11-21 00:11:26,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:11:26,433 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, (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 84 [2021-11-21 00:11:26,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:11:26,472 INFO L225 Difference]: With dead ends: 6252 [2021-11-21 00:11:26,472 INFO L226 Difference]: Without dead ends: 6250 [2021-11-21 00:11:26,478 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:11:26,479 INFO L933 BasicCegarLoop]: 8186 mSDtfsCounter, 8543 mSDsluCounter, 8569 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8545 SdHoareTripleChecker+Valid, 16372 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:11:26,479 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8545 Valid, 16372 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2021-11-21 00:11:26,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6250 states. [2021-11-21 00:11:27,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6250 to 6250. [2021-11-21 00:11:27,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6250 states, 3318 states have (on average 1.2820976491862568) internal successors, (4254), 3763 states have internal predecessors, (4254), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-21 00:11:27,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6250 states to 6250 states and 9504 transitions. [2021-11-21 00:11:27,254 INFO L78 Accepts]: Start accepts. Automaton has 6250 states and 9504 transitions. Word has length 84 [2021-11-21 00:11:27,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:11:27,258 INFO L470 AbstractCegarLoop]: Abstraction has 6250 states and 9504 transitions. [2021-11-21 00:11:27,258 INFO L471 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, (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) [2021-11-21 00:11:27,258 INFO L276 IsEmpty]: Start isEmpty. Operand 6250 states and 9504 transitions. [2021-11-21 00:11:27,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-21 00:11:27,261 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:11:27,262 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:11:27,262 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-21 00:11:27,262 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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 26 more)] === [2021-11-21 00:11:27,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:11:27,263 INFO L85 PathProgramCache]: Analyzing trace with hash -505409122, now seen corresponding path program 1 times [2021-11-21 00:11:27,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:11:27,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297728375] [2021-11-21 00:11:27,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:11:27,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:11:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:11:27,522 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:11:27,522 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:11:27,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297728375] [2021-11-21 00:11:27,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297728375] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:11:27,523 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:11:27,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:11:27,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790803156] [2021-11-21 00:11:27,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:11:27,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:11:27,524 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:11:27,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:11:27,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:11:27,525 INFO L87 Difference]: Start difference. First operand 6250 states and 9504 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2021-11-21 00:11:31,356 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:11:32,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:11:32,362 INFO L93 Difference]: Finished difference Result 6255 states and 9507 transitions. [2021-11-21 00:11:32,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:11:32,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 89 [2021-11-21 00:11:32,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:11:32,407 INFO L225 Difference]: With dead ends: 6255 [2021-11-21 00:11:32,407 INFO L226 Difference]: Without dead ends: 6253 [2021-11-21 00:11:32,413 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:11:32,414 INFO L933 BasicCegarLoop]: 8444 mSDtfsCounter, 8454 mSDsluCounter, 9794 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8462 SdHoareTripleChecker+Valid, 17801 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-21 00:11:32,415 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8462 Valid, 17801 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2021-11-21 00:11:32,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6253 states. [2021-11-21 00:11:33,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6253 to 6248. [2021-11-21 00:11:33,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6248 states, 3317 states have (on average 1.2818812179680434) internal successors, (4252), 3761 states have internal predecessors, (4252), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-21 00:11:33,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6248 states to 6248 states and 9502 transitions. [2021-11-21 00:11:33,129 INFO L78 Accepts]: Start accepts. Automaton has 6248 states and 9502 transitions. Word has length 89 [2021-11-21 00:11:33,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:11:33,130 INFO L470 AbstractCegarLoop]: Abstraction has 6248 states and 9502 transitions. [2021-11-21 00:11:33,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2021-11-21 00:11:33,130 INFO L276 IsEmpty]: Start isEmpty. Operand 6248 states and 9502 transitions. [2021-11-21 00:11:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-21 00:11:33,131 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:11:33,132 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:11:33,132 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-21 00:11:33,132 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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 26 more)] === [2021-11-21 00:11:33,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:11:33,132 INFO L85 PathProgramCache]: Analyzing trace with hash -749969728, now seen corresponding path program 1 times [2021-11-21 00:11:33,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:11:33,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666965949] [2021-11-21 00:11:33,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:11:33,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:11:33,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:11:33,408 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:11:33,409 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:11:33,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666965949] [2021-11-21 00:11:33,409 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666965949] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:11:33,409 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:11:33,410 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:11:33,410 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764054969] [2021-11-21 00:11:33,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:11:33,410 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:11:33,411 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:11:33,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:11:33,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:11:33,411 INFO L87 Difference]: Start difference. First operand 6248 states and 9502 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-11-21 00:11:36,908 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:11:38,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:11:38,054 INFO L93 Difference]: Finished difference Result 6253 states and 9505 transitions. [2021-11-21 00:11:38,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:11:38,054 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 94 [2021-11-21 00:11:38,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:11:38,174 INFO L225 Difference]: With dead ends: 6253 [2021-11-21 00:11:38,174 INFO L226 Difference]: Without dead ends: 6251 [2021-11-21 00:11:38,177 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:11:38,180 INFO L933 BasicCegarLoop]: 8443 mSDtfsCounter, 8451 mSDsluCounter, 9793 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8459 SdHoareTripleChecker+Valid, 17799 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:11:38,180 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8459 Valid, 17799 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-11-21 00:11:38,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6251 states. [2021-11-21 00:11:38,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6251 to 6246. [2021-11-21 00:11:38,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6246 states, 3316 states have (on average 1.281664656212304) internal successors, (4250), 3759 states have internal predecessors, (4250), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-21 00:11:38,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6246 states to 6246 states and 9500 transitions. [2021-11-21 00:11:38,825 INFO L78 Accepts]: Start accepts. Automaton has 6246 states and 9500 transitions. Word has length 94 [2021-11-21 00:11:38,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:11:38,825 INFO L470 AbstractCegarLoop]: Abstraction has 6246 states and 9500 transitions. [2021-11-21 00:11:38,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2021-11-21 00:11:38,826 INFO L276 IsEmpty]: Start isEmpty. Operand 6246 states and 9500 transitions. [2021-11-21 00:11:38,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-21 00:11:38,828 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:11:38,828 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:11:38,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-21 00:11:38,828 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 26 more)] === [2021-11-21 00:11:38,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:11:38,829 INFO L85 PathProgramCache]: Analyzing trace with hash 944231306, now seen corresponding path program 1 times [2021-11-21 00:11:38,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:11:38,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850263200] [2021-11-21 00:11:38,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:11:38,830 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:11:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:11:39,103 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:11:39,103 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:11:39,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850263200] [2021-11-21 00:11:39,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850263200] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:11:39,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:11:39,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:11:39,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211914834] [2021-11-21 00:11:39,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:11:39,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:11:39,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:11:39,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:11:39,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:11:39,106 INFO L87 Difference]: Start difference. First operand 6246 states and 9500 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2021-11-21 00:11:42,577 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:11:44,432 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:11:45,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:11:45,269 INFO L93 Difference]: Finished difference Result 6246 states and 9500 transitions. [2021-11-21 00:11:45,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:11:45,270 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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 99 [2021-11-21 00:11:45,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:11:45,305 INFO L225 Difference]: With dead ends: 6246 [2021-11-21 00:11:45,305 INFO L226 Difference]: Without dead ends: 6244 [2021-11-21 00:11:45,311 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:11:45,312 INFO L933 BasicCegarLoop]: 8180 mSDtfsCounter, 8536 mSDsluCounter, 8563 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8538 SdHoareTripleChecker+Valid, 16360 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:11:45,312 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8538 Valid, 16360 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-11-21 00:11:45,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6244 states. [2021-11-21 00:11:45,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6244 to 6244. [2021-11-21 00:11:45,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6244 states, 3315 states have (on average 1.281447963800905) internal successors, (4248), 3757 states have internal predecessors, (4248), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-21 00:11:45,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6244 states to 6244 states and 9498 transitions. [2021-11-21 00:11:45,894 INFO L78 Accepts]: Start accepts. Automaton has 6244 states and 9498 transitions. Word has length 99 [2021-11-21 00:11:45,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:11:45,895 INFO L470 AbstractCegarLoop]: Abstraction has 6244 states and 9498 transitions. [2021-11-21 00:11:45,895 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 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) [2021-11-21 00:11:45,895 INFO L276 IsEmpty]: Start isEmpty. Operand 6244 states and 9498 transitions. [2021-11-21 00:11:45,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-21 00:11:45,897 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:11:45,897 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:11:45,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-21 00:11:45,898 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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 26 more)] === [2021-11-21 00:11:45,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:11:45,899 INFO L85 PathProgramCache]: Analyzing trace with hash 688770990, now seen corresponding path program 1 times [2021-11-21 00:11:45,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:11:45,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713505124] [2021-11-21 00:11:45,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:11:45,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:11:46,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:11:46,158 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:11:46,158 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:11:46,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713505124] [2021-11-21 00:11:46,159 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713505124] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:11:46,159 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:11:46,159 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:11:46,159 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127098423] [2021-11-21 00:11:46,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:11:46,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:11:46,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:11:46,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:11:46,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:11:46,161 INFO L87 Difference]: Start difference. First operand 6244 states and 9498 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, (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) [2021-11-21 00:11:49,591 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:11:51,610 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:11:52,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:11:52,462 INFO L93 Difference]: Finished difference Result 6244 states and 9498 transitions. [2021-11-21 00:11:52,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:11:52,462 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, (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 104 [2021-11-21 00:11:52,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:11:52,496 INFO L225 Difference]: With dead ends: 6244 [2021-11-21 00:11:52,497 INFO L226 Difference]: Without dead ends: 6242 [2021-11-21 00:11:52,502 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:11:52,503 INFO L933 BasicCegarLoop]: 8178 mSDtfsCounter, 8533 mSDsluCounter, 8561 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8535 SdHoareTripleChecker+Valid, 16356 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:11:52,504 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8535 Valid, 16356 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2021-11-21 00:11:52,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6242 states. [2021-11-21 00:11:53,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6242 to 6242. [2021-11-21 00:11:53,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6242 states, 3314 states have (on average 1.2812311406155703) internal successors, (4246), 3755 states have internal predecessors, (4246), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-21 00:11:53,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6242 states to 6242 states and 9496 transitions. [2021-11-21 00:11:53,290 INFO L78 Accepts]: Start accepts. Automaton has 6242 states and 9496 transitions. Word has length 104 [2021-11-21 00:11:53,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:11:53,291 INFO L470 AbstractCegarLoop]: Abstraction has 6242 states and 9496 transitions. [2021-11-21 00:11:53,291 INFO L471 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, (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) [2021-11-21 00:11:53,291 INFO L276 IsEmpty]: Start isEmpty. Operand 6242 states and 9496 transitions. [2021-11-21 00:11:53,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-21 00:11:53,295 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:11:53,295 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:11:53,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-21 00:11:53,295 INFO L402 AbstractCegarLoop]: === Iteration 16 === 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 26 more)] === [2021-11-21 00:11:53,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:11:53,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1741529762, now seen corresponding path program 1 times [2021-11-21 00:11:53,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:11:53,297 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197767688] [2021-11-21 00:11:53,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:11:53,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:11:53,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:11:53,567 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:11:53,568 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:11:53,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197767688] [2021-11-21 00:11:53,570 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197767688] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:11:53,571 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:11:53,571 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:11:53,571 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90977901] [2021-11-21 00:11:53,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:11:53,571 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:11:53,572 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:11:53,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:11:53,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:11:53,572 INFO L87 Difference]: Start difference. First operand 6242 states and 9496 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2021-11-21 00:11:56,396 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:11:58,039 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:11:58,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:11:58,960 INFO L93 Difference]: Finished difference Result 6242 states and 9496 transitions. [2021-11-21 00:11:58,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:11:58,960 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 109 [2021-11-21 00:11:58,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:11:58,981 INFO L225 Difference]: With dead ends: 6242 [2021-11-21 00:11:58,982 INFO L226 Difference]: Without dead ends: 6240 [2021-11-21 00:11:58,985 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:11:58,986 INFO L933 BasicCegarLoop]: 8176 mSDtfsCounter, 8530 mSDsluCounter, 8559 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8532 SdHoareTripleChecker+Valid, 16352 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-21 00:11:58,987 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8532 Valid, 16352 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-21 00:11:58,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6240 states. [2021-11-21 00:11:59,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6240 to 6240. [2021-11-21 00:11:59,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6240 states, 3313 states have (on average 1.281014186537881) internal successors, (4244), 3753 states have internal predecessors, (4244), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-21 00:11:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6240 states to 6240 states and 9494 transitions. [2021-11-21 00:11:59,597 INFO L78 Accepts]: Start accepts. Automaton has 6240 states and 9494 transitions. Word has length 109 [2021-11-21 00:11:59,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:11:59,598 INFO L470 AbstractCegarLoop]: Abstraction has 6240 states and 9494 transitions. [2021-11-21 00:11:59,598 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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) [2021-11-21 00:11:59,599 INFO L276 IsEmpty]: Start isEmpty. Operand 6240 states and 9494 transitions. [2021-11-21 00:11:59,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-21 00:11:59,601 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:11:59,601 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:11:59,601 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-21 00:11:59,602 INFO L402 AbstractCegarLoop]: === Iteration 17 === 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 26 more)] === [2021-11-21 00:11:59,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:11:59,602 INFO L85 PathProgramCache]: Analyzing trace with hash -10442613, now seen corresponding path program 1 times [2021-11-21 00:11:59,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:11:59,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709599995] [2021-11-21 00:11:59,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:11:59,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:11:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:11:59,921 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-11-21 00:11:59,921 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:11:59,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709599995] [2021-11-21 00:11:59,922 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709599995] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:11:59,922 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:11:59,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:11:59,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938133709] [2021-11-21 00:11:59,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:11:59,923 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:11:59,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:11:59,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:11:59,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:11:59,924 INFO L87 Difference]: Start difference. First operand 6240 states and 9494 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-21 00:12:03,704 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:12:06,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:12:06,717 INFO L93 Difference]: Finished difference Result 11579 states and 18326 transitions. [2021-11-21 00:12:06,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:12:06,717 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2021-11-21 00:12:06,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:12:06,795 INFO L225 Difference]: With dead ends: 11579 [2021-11-21 00:12:06,795 INFO L226 Difference]: Without dead ends: 11577 [2021-11-21 00:12:06,807 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:12:06,808 INFO L933 BasicCegarLoop]: 10630 mSDtfsCounter, 8350 mSDsluCounter, 30111 mSDsCounter, 0 mSdLazyCounter, 1519 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8352 SdHoareTripleChecker+Valid, 39634 SdHoareTripleChecker+Invalid, 1523 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1519 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:12:06,808 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8352 Valid, 39634 Invalid, 1523 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1519 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2021-11-21 00:12:06,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11577 states. [2021-11-21 00:12:08,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11577 to 11412. [2021-11-21 00:12:08,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11412 states, 6078 states have (on average 1.2880881869035867) internal successors, (7829), 6963 states have internal predecessors, (7829), 4823 states have call successors, (4823), 520 states have call predecessors, (4823), 499 states have return successors, (5460), 4164 states have call predecessors, (5460), 4821 states have call successors, (5460) [2021-11-21 00:12:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11412 states to 11412 states and 18112 transitions. [2021-11-21 00:12:08,807 INFO L78 Accepts]: Start accepts. Automaton has 11412 states and 18112 transitions. Word has length 143 [2021-11-21 00:12:08,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:12:08,808 INFO L470 AbstractCegarLoop]: Abstraction has 11412 states and 18112 transitions. [2021-11-21 00:12:08,808 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-21 00:12:08,809 INFO L276 IsEmpty]: Start isEmpty. Operand 11412 states and 18112 transitions. [2021-11-21 00:12:08,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 00:12:08,811 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:12:08,812 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:12:08,812 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-21 00:12:08,812 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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 26 more)] === [2021-11-21 00:12:08,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:12:08,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1393586780, now seen corresponding path program 1 times [2021-11-21 00:12:08,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:12:08,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132884036] [2021-11-21 00:12:08,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:08,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:12:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:12:09,087 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:12:09,088 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:12:09,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132884036] [2021-11-21 00:12:09,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132884036] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:12:09,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:12:09,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:12:09,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323383695] [2021-11-21 00:12:09,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:12:09,090 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:12:09,090 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:12:09,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:12:09,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:12:09,091 INFO L87 Difference]: Start difference. First operand 11412 states and 18112 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2021-11-21 00:12:12,521 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:12:14,272 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:12:15,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:12:15,546 INFO L93 Difference]: Finished difference Result 11412 states and 18112 transitions. [2021-11-21 00:12:15,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:12:15,546 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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 114 [2021-11-21 00:12:15,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:12:15,622 INFO L225 Difference]: With dead ends: 11412 [2021-11-21 00:12:15,623 INFO L226 Difference]: Without dead ends: 11410 [2021-11-21 00:12:15,634 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:12:15,635 INFO L933 BasicCegarLoop]: 8174 mSDtfsCounter, 8527 mSDsluCounter, 8557 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8529 SdHoareTripleChecker+Valid, 16348 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:12:15,635 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8529 Valid, 16348 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2021-11-21 00:12:15,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11410 states. [2021-11-21 00:12:17,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11410 to 11410. [2021-11-21 00:12:17,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11410 states, 6077 states have (on average 1.2879710383412868) internal successors, (7827), 6961 states have internal predecessors, (7827), 4823 states have call successors, (4823), 520 states have call predecessors, (4823), 499 states have return successors, (5460), 4164 states have call predecessors, (5460), 4821 states have call successors, (5460) [2021-11-21 00:12:17,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11410 states to 11410 states and 18110 transitions. [2021-11-21 00:12:17,495 INFO L78 Accepts]: Start accepts. Automaton has 11410 states and 18110 transitions. Word has length 114 [2021-11-21 00:12:17,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:12:17,496 INFO L470 AbstractCegarLoop]: Abstraction has 11410 states and 18110 transitions. [2021-11-21 00:12:17,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 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) [2021-11-21 00:12:17,496 INFO L276 IsEmpty]: Start isEmpty. Operand 11410 states and 18110 transitions. [2021-11-21 00:12:17,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-21 00:12:17,498 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:12:17,498 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:12:17,498 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-21 00:12:17,498 INFO L402 AbstractCegarLoop]: === Iteration 19 === 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 26 more)] === [2021-11-21 00:12:17,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:12:17,499 INFO L85 PathProgramCache]: Analyzing trace with hash -58802643, now seen corresponding path program 1 times [2021-11-21 00:12:17,499 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:12:17,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603316373] [2021-11-21 00:12:17,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:17,499 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:12:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:12:17,753 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:12:17,753 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:12:17,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603316373] [2021-11-21 00:12:17,754 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603316373] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:12:17,754 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:12:17,754 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:12:17,755 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861189093] [2021-11-21 00:12:17,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:12:17,755 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:12:17,756 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:12:17,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:12:17,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:12:17,756 INFO L87 Difference]: Start difference. First operand 11410 states and 18110 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2021-11-21 00:12:21,214 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:12:22,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:12:22,709 INFO L93 Difference]: Finished difference Result 11415 states and 18113 transitions. [2021-11-21 00:12:22,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:12:22,709 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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 119 [2021-11-21 00:12:22,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:12:22,755 INFO L225 Difference]: With dead ends: 11415 [2021-11-21 00:12:22,755 INFO L226 Difference]: Without dead ends: 11413 [2021-11-21 00:12:22,762 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:12:22,763 INFO L933 BasicCegarLoop]: 8448 mSDtfsCounter, 8436 mSDsluCounter, 9798 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8444 SdHoareTripleChecker+Valid, 17809 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:12:22,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8444 Valid, 17809 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-11-21 00:12:22,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11413 states. [2021-11-21 00:12:24,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11413 to 11408. [2021-11-21 00:12:24,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11408 states, 6076 states have (on average 1.2878538512179065) internal successors, (7825), 6959 states have internal predecessors, (7825), 4823 states have call successors, (4823), 520 states have call predecessors, (4823), 499 states have return successors, (5460), 4164 states have call predecessors, (5460), 4821 states have call successors, (5460) [2021-11-21 00:12:24,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11408 states to 11408 states and 18108 transitions. [2021-11-21 00:12:24,333 INFO L78 Accepts]: Start accepts. Automaton has 11408 states and 18108 transitions. Word has length 119 [2021-11-21 00:12:24,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:12:24,334 INFO L470 AbstractCegarLoop]: Abstraction has 11408 states and 18108 transitions. [2021-11-21 00:12:24,334 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2021-11-21 00:12:24,334 INFO L276 IsEmpty]: Start isEmpty. Operand 11408 states and 18108 transitions. [2021-11-21 00:12:24,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-21 00:12:24,337 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:12:24,338 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:12:24,338 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-21 00:12:24,338 INFO L402 AbstractCegarLoop]: === Iteration 20 === 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 26 more)] === [2021-11-21 00:12:24,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:12:24,339 INFO L85 PathProgramCache]: Analyzing trace with hash 764432855, now seen corresponding path program 1 times [2021-11-21 00:12:24,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:12:24,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991788024] [2021-11-21 00:12:24,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:24,339 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:12:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:12:24,597 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:12:24,597 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:12:24,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991788024] [2021-11-21 00:12:24,597 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991788024] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:12:24,598 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:12:24,598 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:12:24,598 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [502214904] [2021-11-21 00:12:24,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:12:24,599 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:12:24,599 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:12:24,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:12:24,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:12:24,600 INFO L87 Difference]: Start difference. First operand 11408 states and 18108 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, (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) [2021-11-21 00:12:28,428 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:12:30,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:12:30,019 INFO L93 Difference]: Finished difference Result 11413 states and 18111 transitions. [2021-11-21 00:12:30,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:12:30,020 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, (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 124 [2021-11-21 00:12:30,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:12:30,055 INFO L225 Difference]: With dead ends: 11413 [2021-11-21 00:12:30,055 INFO L226 Difference]: Without dead ends: 11411 [2021-11-21 00:12:30,061 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:12:30,062 INFO L933 BasicCegarLoop]: 8446 mSDtfsCounter, 8433 mSDsluCounter, 9796 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8441 SdHoareTripleChecker+Valid, 17805 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-21 00:12:30,063 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8441 Valid, 17805 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2021-11-21 00:12:30,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11411 states. [2021-11-21 00:12:31,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11411 to 11406. [2021-11-21 00:12:31,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11406 states, 6075 states have (on average 1.2877366255144034) internal successors, (7823), 6957 states have internal predecessors, (7823), 4823 states have call successors, (4823), 520 states have call predecessors, (4823), 499 states have return successors, (5460), 4164 states have call predecessors, (5460), 4821 states have call successors, (5460) [2021-11-21 00:12:31,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11406 states to 11406 states and 18106 transitions. [2021-11-21 00:12:31,522 INFO L78 Accepts]: Start accepts. Automaton has 11406 states and 18106 transitions. Word has length 124 [2021-11-21 00:12:31,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:12:31,523 INFO L470 AbstractCegarLoop]: Abstraction has 11406 states and 18106 transitions. [2021-11-21 00:12:31,523 INFO L471 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, (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) [2021-11-21 00:12:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 11406 states and 18106 transitions. [2021-11-21 00:12:31,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-21 00:12:31,527 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:12:31,527 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:12:31,527 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-21 00:12:31,527 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-21 00:12:31,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:12:31,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1273203428, now seen corresponding path program 1 times [2021-11-21 00:12:31,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:12:31,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236613213] [2021-11-21 00:12:31,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:31,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:12:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:12:31,782 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-21 00:12:31,783 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:12:31,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236613213] [2021-11-21 00:12:31,783 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236613213] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:12:31,783 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:12:31,783 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:12:31,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519836271] [2021-11-21 00:12:31,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:12:31,784 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:12:31,784 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:12:31,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:12:31,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:12:31,785 INFO L87 Difference]: Start difference. First operand 11406 states and 18106 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 00:12:35,532 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:12:37,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:12:37,415 INFO L93 Difference]: Finished difference Result 12122 states and 19161 transitions. [2021-11-21 00:12:37,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:12:37,415 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 162 [2021-11-21 00:12:37,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:12:37,459 INFO L225 Difference]: With dead ends: 12122 [2021-11-21 00:12:37,459 INFO L226 Difference]: Without dead ends: 12120 [2021-11-21 00:12:37,467 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:12:37,468 INFO L933 BasicCegarLoop]: 8922 mSDtfsCounter, 1309 mSDsluCounter, 26848 mSDsCounter, 0 mSdLazyCounter, 1641 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1311 SdHoareTripleChecker+Valid, 34564 SdHoareTripleChecker+Invalid, 1644 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1641 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:12:37,468 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1311 Valid, 34564 Invalid, 1644 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1641 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2021-11-21 00:12:37,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12120 states. [2021-11-21 00:12:38,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12120 to 12100. [2021-11-21 00:12:38,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12100 states, 6445 states have (on average 1.2848719937936386) internal successors, (8281), 7371 states have internal predecessors, (8281), 5067 states have call successors, (5067), 613 states have call predecessors, (5067), 579 states have return successors, (5777), 4358 states have call predecessors, (5777), 5065 states have call successors, (5777) [2021-11-21 00:12:39,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12100 states to 12100 states and 19125 transitions. [2021-11-21 00:12:39,039 INFO L78 Accepts]: Start accepts. Automaton has 12100 states and 19125 transitions. Word has length 162 [2021-11-21 00:12:39,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:12:39,039 INFO L470 AbstractCegarLoop]: Abstraction has 12100 states and 19125 transitions. [2021-11-21 00:12:39,040 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-21 00:12:39,040 INFO L276 IsEmpty]: Start isEmpty. Operand 12100 states and 19125 transitions. [2021-11-21 00:12:39,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-21 00:12:39,043 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:12:39,043 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:12:39,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-21 00:12:39,044 INFO L402 AbstractCegarLoop]: === Iteration 22 === 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 26 more)] === [2021-11-21 00:12:39,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:12:39,044 INFO L85 PathProgramCache]: Analyzing trace with hash -646404385, now seen corresponding path program 1 times [2021-11-21 00:12:39,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:12:39,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037194409] [2021-11-21 00:12:39,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:39,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:12:39,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:12:39,273 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:12:39,273 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:12:39,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037194409] [2021-11-21 00:12:39,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037194409] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:12:39,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:12:39,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:12:39,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389415893] [2021-11-21 00:12:39,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:12:39,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:12:39,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:12:39,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:12:39,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:12:39,275 INFO L87 Difference]: Start difference. First operand 12100 states and 19125 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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) [2021-11-21 00:12:42,338 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:12:43,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:12:43,986 INFO L93 Difference]: Finished difference Result 12105 states and 19128 transitions. [2021-11-21 00:12:43,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:12:43,987 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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 129 [2021-11-21 00:12:43,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:12:44,030 INFO L225 Difference]: With dead ends: 12105 [2021-11-21 00:12:44,030 INFO L226 Difference]: Without dead ends: 12103 [2021-11-21 00:12:44,037 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:12:44,038 INFO L933 BasicCegarLoop]: 8441 mSDtfsCounter, 8430 mSDsluCounter, 9791 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8438 SdHoareTripleChecker+Valid, 17795 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:12:44,038 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8438 Valid, 17795 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2021-11-21 00:12:44,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12103 states. [2021-11-21 00:12:45,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12103 to 12098. [2021-11-21 00:12:45,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12098 states, 6444 states have (on average 1.2847610180012414) internal successors, (8279), 7369 states have internal predecessors, (8279), 5067 states have call successors, (5067), 613 states have call predecessors, (5067), 579 states have return successors, (5777), 4358 states have call predecessors, (5777), 5065 states have call successors, (5777) [2021-11-21 00:12:45,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12098 states to 12098 states and 19123 transitions. [2021-11-21 00:12:45,618 INFO L78 Accepts]: Start accepts. Automaton has 12098 states and 19123 transitions. Word has length 129 [2021-11-21 00:12:45,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:12:45,619 INFO L470 AbstractCegarLoop]: Abstraction has 12098 states and 19123 transitions. [2021-11-21 00:12:45,619 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 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) [2021-11-21 00:12:45,619 INFO L276 IsEmpty]: Start isEmpty. Operand 12098 states and 19123 transitions. [2021-11-21 00:12:45,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-21 00:12:45,623 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:12:45,623 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:12:45,623 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-21 00:12:45,624 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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 26 more)] === [2021-11-21 00:12:45,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:12:45,624 INFO L85 PathProgramCache]: Analyzing trace with hash 366314745, now seen corresponding path program 1 times [2021-11-21 00:12:45,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:12:45,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137125146] [2021-11-21 00:12:45,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:45,625 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:12:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:12:45,939 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-21 00:12:45,940 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:12:45,940 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137125146] [2021-11-21 00:12:45,940 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137125146] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:12:45,940 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:12:45,940 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:12:45,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145455255] [2021-11-21 00:12:45,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:12:45,942 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:12:45,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:12:45,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:12:45,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:12:45,943 INFO L87 Difference]: Start difference. First operand 12098 states and 19123 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-21 00:12:50,250 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:12:53,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:12:53,479 INFO L93 Difference]: Finished difference Result 23605 states and 39834 transitions. [2021-11-21 00:12:53,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:12:53,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 160 [2021-11-21 00:12:53,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:12:53,579 INFO L225 Difference]: With dead ends: 23605 [2021-11-21 00:12:53,580 INFO L226 Difference]: Without dead ends: 23603 [2021-11-21 00:12:53,592 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:12:53,593 INFO L933 BasicCegarLoop]: 10879 mSDtfsCounter, 8767 mSDsluCounter, 30966 mSDsCounter, 0 mSdLazyCounter, 1549 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8769 SdHoareTripleChecker+Valid, 40701 SdHoareTripleChecker+Invalid, 1553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1549 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:12:53,593 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8769 Valid, 40701 Invalid, 1553 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1549 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2021-11-21 00:12:53,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23603 states. [2021-11-21 00:12:56,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23603 to 23440. [2021-11-21 00:12:56,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23440 states, 12459 states have (on average 1.287422746608877) internal successors, (16040), 14293 states have internal predecessors, (16040), 9895 states have call successors, (9895), 1170 states have call predecessors, (9895), 1078 states have return successors, (13656), 8381 states have call predecessors, (13656), 9893 states have call successors, (13656) [2021-11-21 00:12:56,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23440 states to 23440 states and 39591 transitions. [2021-11-21 00:12:56,969 INFO L78 Accepts]: Start accepts. Automaton has 23440 states and 39591 transitions. Word has length 160 [2021-11-21 00:12:56,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:12:56,970 INFO L470 AbstractCegarLoop]: Abstraction has 23440 states and 39591 transitions. [2021-11-21 00:12:56,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-21 00:12:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 23440 states and 39591 transitions. [2021-11-21 00:12:56,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-21 00:12:56,973 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:12:56,974 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:12:56,974 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-21 00:12:56,974 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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 26 more)] === [2021-11-21 00:12:56,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:12:56,975 INFO L85 PathProgramCache]: Analyzing trace with hash 552349495, now seen corresponding path program 1 times [2021-11-21 00:12:56,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:12:56,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142540159] [2021-11-21 00:12:56,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:12:56,976 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:12:57,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:12:57,206 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:12:57,206 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:12:57,206 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142540159] [2021-11-21 00:12:57,207 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142540159] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:12:57,207 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:12:57,207 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:12:57,207 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456170652] [2021-11-21 00:12:57,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:12:57,208 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:12:57,208 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:12:57,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:12:57,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:12:57,209 INFO L87 Difference]: Start difference. First operand 23440 states and 39591 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, (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) [2021-11-21 00:13:00,827 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:13:02,813 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:13:04,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:13:04,900 INFO L93 Difference]: Finished difference Result 23440 states and 39591 transitions. [2021-11-21 00:13:04,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:13:04,901 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, (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 134 [2021-11-21 00:13:04,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:13:04,994 INFO L225 Difference]: With dead ends: 23440 [2021-11-21 00:13:04,994 INFO L226 Difference]: Without dead ends: 23438 [2021-11-21 00:13:05,004 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:13:05,005 INFO L933 BasicCegarLoop]: 8166 mSDtfsCounter, 8515 mSDsluCounter, 8549 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8517 SdHoareTripleChecker+Valid, 16332 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:13:05,005 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8517 Valid, 16332 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2021-11-21 00:13:05,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23438 states. [2021-11-21 00:13:08,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23438 to 23438. [2021-11-21 00:13:08,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23438 states, 12458 states have (on average 1.2873655482420934) internal successors, (16038), 14291 states have internal predecessors, (16038), 9895 states have call successors, (9895), 1170 states have call predecessors, (9895), 1078 states have return successors, (13656), 8381 states have call predecessors, (13656), 9893 states have call successors, (13656) [2021-11-21 00:13:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23438 states to 23438 states and 39589 transitions. [2021-11-21 00:13:08,728 INFO L78 Accepts]: Start accepts. Automaton has 23438 states and 39589 transitions. Word has length 134 [2021-11-21 00:13:08,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:13:08,729 INFO L470 AbstractCegarLoop]: Abstraction has 23438 states and 39589 transitions. [2021-11-21 00:13:08,729 INFO L471 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, (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) [2021-11-21 00:13:08,729 INFO L276 IsEmpty]: Start isEmpty. Operand 23438 states and 39589 transitions. [2021-11-21 00:13:08,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-21 00:13:08,732 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:13:08,733 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:13:08,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-21 00:13:08,733 INFO L402 AbstractCegarLoop]: === Iteration 25 === 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 26 more)] === [2021-11-21 00:13:08,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:13:08,734 INFO L85 PathProgramCache]: Analyzing trace with hash -37572139, now seen corresponding path program 1 times [2021-11-21 00:13:08,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:13:08,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64414338] [2021-11-21 00:13:08,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:13:08,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:13:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:13:08,985 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:13:08,985 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:13:08,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64414338] [2021-11-21 00:13:08,985 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64414338] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:13:08,986 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:13:08,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:13:08,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168829399] [2021-11-21 00:13:08,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:13:08,986 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:13:08,987 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:13:08,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:13:08,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:13:08,987 INFO L87 Difference]: Start difference. First operand 23438 states and 39589 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2021-11-21 00:13:12,177 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:13:15,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:13:15,201 INFO L93 Difference]: Finished difference Result 23443 states and 39592 transitions. [2021-11-21 00:13:15,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:13:15,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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 139 [2021-11-21 00:13:15,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:13:15,293 INFO L225 Difference]: With dead ends: 23443 [2021-11-21 00:13:15,294 INFO L226 Difference]: Without dead ends: 23441 [2021-11-21 00:13:15,304 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:13:15,305 INFO L933 BasicCegarLoop]: 8448 mSDtfsCounter, 8424 mSDsluCounter, 9799 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8432 SdHoareTripleChecker+Valid, 17809 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:13:15,305 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8432 Valid, 17809 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 824 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-11-21 00:13:15,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23441 states. [2021-11-21 00:13:19,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23441 to 23436. [2021-11-21 00:13:19,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23436 states, 12457 states have (on average 1.2873083406919803) internal successors, (16036), 14289 states have internal predecessors, (16036), 9895 states have call successors, (9895), 1170 states have call predecessors, (9895), 1078 states have return successors, (13656), 8381 states have call predecessors, (13656), 9893 states have call successors, (13656) [2021-11-21 00:13:19,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23436 states to 23436 states and 39587 transitions. [2021-11-21 00:13:19,208 INFO L78 Accepts]: Start accepts. Automaton has 23436 states and 39587 transitions. Word has length 139 [2021-11-21 00:13:19,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:13:19,209 INFO L470 AbstractCegarLoop]: Abstraction has 23436 states and 39587 transitions. [2021-11-21 00:13:19,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 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) [2021-11-21 00:13:19,209 INFO L276 IsEmpty]: Start isEmpty. Operand 23436 states and 39587 transitions. [2021-11-21 00:13:19,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-21 00:13:19,214 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:13:19,214 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 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] [2021-11-21 00:13:19,215 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-21 00:13:19,215 INFO L402 AbstractCegarLoop]: === Iteration 26 === 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 26 more)] === [2021-11-21 00:13:19,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:13:19,216 INFO L85 PathProgramCache]: Analyzing trace with hash -126387051, now seen corresponding path program 1 times [2021-11-21 00:13:19,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:13:19,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692206392] [2021-11-21 00:13:19,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:13:19,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:13:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:13:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-21 00:13:19,471 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:13:19,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692206392] [2021-11-21 00:13:19,471 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692206392] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:13:19,471 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:13:19,472 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:13:19,472 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140761037] [2021-11-21 00:13:19,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:13:19,472 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:13:19,473 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:13:19,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:13:19,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:13:19,474 INFO L87 Difference]: Start difference. First operand 23436 states and 39587 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2021-11-21 00:13:22,897 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:13:25,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:13:25,929 INFO L93 Difference]: Finished difference Result 23441 states and 39590 transitions. [2021-11-21 00:13:25,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:13:25,929 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 144 [2021-11-21 00:13:25,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:13:26,068 INFO L225 Difference]: With dead ends: 23441 [2021-11-21 00:13:26,068 INFO L226 Difference]: Without dead ends: 23231 [2021-11-21 00:13:26,088 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:13:26,089 INFO L933 BasicCegarLoop]: 8447 mSDtfsCounter, 8421 mSDsluCounter, 9799 mSDsCounter, 0 mSdLazyCounter, 824 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8427 SdHoareTripleChecker+Valid, 17807 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 824 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:13:26,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8427 Valid, 17807 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 824 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-11-21 00:13:26,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23231 states. [2021-11-21 00:13:29,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23231 to 23226. [2021-11-21 00:13:29,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23226 states, 12353 states have (on average 1.2881081518659434) internal successors, (15912), 14172 states have internal predecessors, (15912), 9809 states have call successors, (9809), 1150 states have call predecessors, (9809), 1059 states have return successors, (13566), 8300 states have call predecessors, (13566), 9807 states have call successors, (13566) [2021-11-21 00:13:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23226 states to 23226 states and 39287 transitions. [2021-11-21 00:13:29,821 INFO L78 Accepts]: Start accepts. Automaton has 23226 states and 39287 transitions. Word has length 144 [2021-11-21 00:13:29,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:13:29,821 INFO L470 AbstractCegarLoop]: Abstraction has 23226 states and 39287 transitions. [2021-11-21 00:13:29,822 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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) [2021-11-21 00:13:29,822 INFO L276 IsEmpty]: Start isEmpty. Operand 23226 states and 39287 transitions. [2021-11-21 00:13:29,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-21 00:13:29,826 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:13:29,826 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:13:29,826 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-21 00:13:29,827 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_mutex__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 26 more)] === [2021-11-21 00:13:29,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:13:29,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1889347409, now seen corresponding path program 1 times [2021-11-21 00:13:29,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:13:29,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215627983] [2021-11-21 00:13:29,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:13:29,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:13:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:13:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-11-21 00:13:30,116 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:13:30,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215627983] [2021-11-21 00:13:30,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215627983] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:13:30,117 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:13:30,117 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-21 00:13:30,117 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863615669] [2021-11-21 00:13:30,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:13:30,118 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-21 00:13:30,118 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:13:30,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-21 00:13:30,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-21 00:13:30,119 INFO L87 Difference]: Start difference. First operand 23226 states and 39287 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-21 00:13:34,459 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:13:37,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:13:37,726 INFO L93 Difference]: Finished difference Result 46448 states and 78927 transitions. [2021-11-21 00:13:37,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-21 00:13:37,726 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, (33), 2 states have call predecessors, (33), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 183 [2021-11-21 00:13:37,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:13:37,893 INFO L225 Difference]: With dead ends: 46448 [2021-11-21 00:13:37,894 INFO L226 Difference]: Without dead ends: 23242 [2021-11-21 00:13:38,069 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:13:38,070 INFO L933 BasicCegarLoop]: 8032 mSDtfsCounter, 5 mSDsluCounter, 16778 mSDsCounter, 0 mSdLazyCounter, 1093 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 24091 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1093 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:13:38,070 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 24091 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1093 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2021-11-21 00:13:38,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23242 states.