./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 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 02:05:32,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:05:32,773 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:05:32,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:05:32,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:05:32,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:05:32,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:05:32,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:05:32,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:05:32,853 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:05:32,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:05:32,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:05:32,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:05:32,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:05:32,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:05:32,867 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:05:32,869 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:05:32,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:05:32,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:05:32,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:05:32,884 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:05:32,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:05:32,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:05:32,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:05:32,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:05:32,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:05:32,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:05:32,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:05:32,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:05:32,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:05:32,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:05:32,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:05:32,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:05:32,908 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:05:32,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:05:32,909 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:05:32,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:05:32,912 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:05:32,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:05:32,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:05:32,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:05:32,915 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:05:32,956 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:05:32,957 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:05:32,957 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:05:32,958 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:05:32,959 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:05:32,959 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:05:32,959 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:05:32,959 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:05:32,960 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:05:32,960 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:05:32,961 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:05:32,961 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:05:32,961 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:05:32,962 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:05:32,962 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:05:32,962 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:05:32,962 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:05:32,963 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:05:32,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:05:32,964 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:05:32,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:05:32,964 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:05:32,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:05:32,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:05:32,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:05:32,965 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:05:32,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:05:32,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:05:32,966 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:05:32,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:05:32,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:05:32,967 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:05:32,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:05:32,967 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:05:32,967 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:05:32,968 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:05:32,968 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:05:32,968 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:05:32,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb4c890fadad0417fec53c1fd92092974d9fa843199f98b4f7f294d4c4112c7 [2022-11-03 02:05:33,237 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:05:33,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:05:33,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:05:33,276 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:05:33,277 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:05:33,294 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i [2022-11-03 02:05:33,368 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/data/ef913c582/211109f588974befb2a68da53ac47ede/FLAG9498a5df0 [2022-11-03 02:05:34,651 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:05:34,653 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i [2022-11-03 02:05:34,771 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/data/ef913c582/211109f588974befb2a68da53ac47ede/FLAG9498a5df0 [2022-11-03 02:05:34,792 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/data/ef913c582/211109f588974befb2a68da53ac47ede [2022-11-03 02:05:34,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:05:34,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:05:34,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:05:34,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:05:34,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:05:34,809 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:05:34" (1/1) ... [2022-11-03 02:05:34,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b61cdb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:34, skipping insertion in model container [2022-11-03 02:05:34,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:05:34" (1/1) ... [2022-11-03 02:05:34,819 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:05:35,136 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:05:46,533 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914081,914094] [2022-11-03 02:05:46,537 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914226,914239] [2022-11-03 02:05:46,538 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914372,914385] [2022-11-03 02:05:46,538 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914537,914550] [2022-11-03 02:05:46,539 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914695,914708] [2022-11-03 02:05:46,539 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914853,914866] [2022-11-03 02:05:46,540 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915011,915024] [2022-11-03 02:05:46,541 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915171,915184] [2022-11-03 02:05:46,541 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915330,915343] [2022-11-03 02:05:46,542 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915469,915482] [2022-11-03 02:05:46,542 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915611,915624] [2022-11-03 02:05:46,543 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915760,915773] [2022-11-03 02:05:46,543 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915899,915912] [2022-11-03 02:05:46,544 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916054,916067] [2022-11-03 02:05:46,544 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916214,916227] [2022-11-03 02:05:46,545 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916365,916378] [2022-11-03 02:05:46,545 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916516,916529] [2022-11-03 02:05:46,546 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916668,916681] [2022-11-03 02:05:46,547 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916817,916830] [2022-11-03 02:05:46,547 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916965,916978] [2022-11-03 02:05:46,548 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917122,917135] [2022-11-03 02:05:46,548 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917271,917284] [2022-11-03 02:05:46,549 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917427,917440] [2022-11-03 02:05:46,549 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917580,917593] [2022-11-03 02:05:46,550 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917726,917739] [2022-11-03 02:05:46,550 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917869,917882] [2022-11-03 02:05:46,551 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918021,918034] [2022-11-03 02:05:46,551 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918167,918180] [2022-11-03 02:05:46,552 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918312,918325] [2022-11-03 02:05:46,552 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918466,918479] [2022-11-03 02:05:46,553 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918617,918630] [2022-11-03 02:05:46,553 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918772,918785] [2022-11-03 02:05:46,554 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918924,918937] [2022-11-03 02:05:46,554 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919079,919092] [2022-11-03 02:05:46,555 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919243,919256] [2022-11-03 02:05:46,556 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919399,919412] [2022-11-03 02:05:46,556 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919563,919576] [2022-11-03 02:05:46,566 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919705,919718] [2022-11-03 02:05:46,567 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919863,919876] [2022-11-03 02:05:46,568 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920030,920043] [2022-11-03 02:05:46,568 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920189,920202] [2022-11-03 02:05:46,569 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920348,920361] [2022-11-03 02:05:46,569 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920497,920510] [2022-11-03 02:05:46,570 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920644,920657] [2022-11-03 02:05:46,570 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920783,920796] [2022-11-03 02:05:46,571 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920946,920959] [2022-11-03 02:05:46,571 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921112,921125] [2022-11-03 02:05:46,572 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921276,921289] [2022-11-03 02:05:46,572 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921441,921454] [2022-11-03 02:05:46,573 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921606,921619] [2022-11-03 02:05:46,573 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921772,921785] [2022-11-03 02:05:46,574 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921937,921950] [2022-11-03 02:05:46,574 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922104,922117] [2022-11-03 02:05:46,575 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922264,922277] [2022-11-03 02:05:46,575 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922426,922439] [2022-11-03 02:05:46,579 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922585,922598] [2022-11-03 02:05:46,579 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922731,922744] [2022-11-03 02:05:46,580 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922874,922887] [2022-11-03 02:05:46,580 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923018,923031] [2022-11-03 02:05:46,581 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923161,923174] [2022-11-03 02:05:46,582 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923305,923318] [2022-11-03 02:05:46,583 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923446,923459] [2022-11-03 02:05:46,589 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923584,923597] [2022-11-03 02:05:46,590 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923742,923755] [2022-11-03 02:05:46,590 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923901,923914] [2022-11-03 02:05:46,591 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924057,924070] [2022-11-03 02:05:46,591 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924206,924219] [2022-11-03 02:05:46,592 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924358,924371] [2022-11-03 02:05:46,592 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924509,924522] [2022-11-03 02:05:46,593 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924658,924671] [2022-11-03 02:05:46,593 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924810,924823] [2022-11-03 02:05:46,594 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924958,924971] [2022-11-03 02:05:46,594 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925111,925124] [2022-11-03 02:05:46,596 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925262,925275] [2022-11-03 02:05:46,596 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925412,925425] [2022-11-03 02:05:46,597 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925559,925572] [2022-11-03 02:05:46,597 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925710,925723] [2022-11-03 02:05:46,598 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925861,925874] [2022-11-03 02:05:46,599 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926009,926022] [2022-11-03 02:05:46,599 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926175,926188] [2022-11-03 02:05:46,600 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926344,926357] [2022-11-03 02:05:46,601 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926511,926524] [2022-11-03 02:05:46,602 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926679,926692] [2022-11-03 02:05:46,603 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926829,926842] [2022-11-03 02:05:46,604 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926976,926989] [2022-11-03 02:05:46,604 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927137,927150] [2022-11-03 02:05:46,605 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927307,927320] [2022-11-03 02:05:46,607 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927469,927482] [2022-11-03 02:05:46,629 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:05:46,674 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:05:47,772 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914081,914094] [2022-11-03 02:05:47,774 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914226,914239] [2022-11-03 02:05:47,779 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914372,914385] [2022-11-03 02:05:47,779 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914537,914550] [2022-11-03 02:05:47,780 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914695,914708] [2022-11-03 02:05:47,780 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914853,914866] [2022-11-03 02:05:47,781 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915011,915024] [2022-11-03 02:05:47,781 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915171,915184] [2022-11-03 02:05:47,781 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915330,915343] [2022-11-03 02:05:47,782 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915469,915482] [2022-11-03 02:05:47,783 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915611,915624] [2022-11-03 02:05:47,783 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915760,915773] [2022-11-03 02:05:47,784 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915899,915912] [2022-11-03 02:05:47,784 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916054,916067] [2022-11-03 02:05:47,784 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916214,916227] [2022-11-03 02:05:47,785 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916365,916378] [2022-11-03 02:05:47,785 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916516,916529] [2022-11-03 02:05:47,786 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916668,916681] [2022-11-03 02:05:47,786 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916817,916830] [2022-11-03 02:05:47,787 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916965,916978] [2022-11-03 02:05:47,787 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917122,917135] [2022-11-03 02:05:47,787 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917271,917284] [2022-11-03 02:05:47,789 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917427,917440] [2022-11-03 02:05:47,789 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917580,917593] [2022-11-03 02:05:47,790 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917726,917739] [2022-11-03 02:05:47,790 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917869,917882] [2022-11-03 02:05:47,791 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918021,918034] [2022-11-03 02:05:47,791 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918167,918180] [2022-11-03 02:05:47,792 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918312,918325] [2022-11-03 02:05:47,792 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918466,918479] [2022-11-03 02:05:47,793 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918617,918630] [2022-11-03 02:05:47,793 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918772,918785] [2022-11-03 02:05:47,794 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918924,918937] [2022-11-03 02:05:47,795 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919079,919092] [2022-11-03 02:05:47,795 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919243,919256] [2022-11-03 02:05:47,796 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919399,919412] [2022-11-03 02:05:47,796 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919563,919576] [2022-11-03 02:05:47,797 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919705,919718] [2022-11-03 02:05:47,798 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919863,919876] [2022-11-03 02:05:47,798 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920030,920043] [2022-11-03 02:05:47,799 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920189,920202] [2022-11-03 02:05:47,800 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920348,920361] [2022-11-03 02:05:47,801 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920497,920510] [2022-11-03 02:05:47,801 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920644,920657] [2022-11-03 02:05:47,801 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920783,920796] [2022-11-03 02:05:47,802 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920946,920959] [2022-11-03 02:05:47,802 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921112,921125] [2022-11-03 02:05:47,803 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921276,921289] [2022-11-03 02:05:47,803 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921441,921454] [2022-11-03 02:05:47,803 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921606,921619] [2022-11-03 02:05:47,804 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921772,921785] [2022-11-03 02:05:47,804 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921937,921950] [2022-11-03 02:05:47,805 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922104,922117] [2022-11-03 02:05:47,805 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922264,922277] [2022-11-03 02:05:47,807 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922426,922439] [2022-11-03 02:05:47,808 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922585,922598] [2022-11-03 02:05:47,812 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922731,922744] [2022-11-03 02:05:47,812 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922874,922887] [2022-11-03 02:05:47,813 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923018,923031] [2022-11-03 02:05:47,813 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923161,923174] [2022-11-03 02:05:47,814 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923305,923318] [2022-11-03 02:05:47,815 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923446,923459] [2022-11-03 02:05:47,815 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923584,923597] [2022-11-03 02:05:47,816 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923742,923755] [2022-11-03 02:05:47,816 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923901,923914] [2022-11-03 02:05:47,825 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924057,924070] [2022-11-03 02:05:47,828 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924206,924219] [2022-11-03 02:05:47,829 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924358,924371] [2022-11-03 02:05:47,830 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924509,924522] [2022-11-03 02:05:47,830 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924658,924671] [2022-11-03 02:05:47,831 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924810,924823] [2022-11-03 02:05:47,831 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924958,924971] [2022-11-03 02:05:47,831 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925111,925124] [2022-11-03 02:05:47,832 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925262,925275] [2022-11-03 02:05:47,832 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925412,925425] [2022-11-03 02:05:47,832 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925559,925572] [2022-11-03 02:05:47,833 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925710,925723] [2022-11-03 02:05:47,833 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925861,925874] [2022-11-03 02:05:47,835 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926009,926022] [2022-11-03 02:05:47,836 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926175,926188] [2022-11-03 02:05:47,836 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926344,926357] [2022-11-03 02:05:47,837 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926511,926524] [2022-11-03 02:05:47,838 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926679,926692] [2022-11-03 02:05:47,838 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926829,926842] [2022-11-03 02:05:47,839 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926976,926989] [2022-11-03 02:05:47,839 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927137,927150] [2022-11-03 02:05:47,840 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927307,927320] [2022-11-03 02:05:47,840 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_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927469,927482] [2022-11-03 02:05:47,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:05:48,458 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:05:48,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:48 WrapperNode [2022-11-03 02:05:48,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:05:48,460 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:05:48,460 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:05:48,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:05:48,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:48" (1/1) ... [2022-11-03 02:05:48,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:48" (1/1) ... [2022-11-03 02:05:49,119 INFO L138 Inliner]: procedures = 1156, calls = 6188, calls flagged for inlining = 709, calls inlined = 626, statements flattened = 15176 [2022-11-03 02:05:49,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:05:49,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:05:49,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:05:49,122 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:05:49,133 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:48" (1/1) ... [2022-11-03 02:05:49,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:48" (1/1) ... [2022-11-03 02:05:49,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:48" (1/1) ... [2022-11-03 02:05:49,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:48" (1/1) ... [2022-11-03 02:05:49,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:48" (1/1) ... [2022-11-03 02:05:49,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:48" (1/1) ... [2022-11-03 02:05:50,025 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:48" (1/1) ... [2022-11-03 02:05:50,076 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:48" (1/1) ... [2022-11-03 02:05:50,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:05:50,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:05:50,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:05:50,225 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:05:50,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:48" (1/1) ... [2022-11-03 02:05:50,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:05:50,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:05:50,295 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:05:50,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:05:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_poll_mp [2022-11-03 02:05:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_poll_mp [2022-11-03 02:05:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure __wiimote_schedule [2022-11-03 02:05:50,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __wiimote_schedule [2022-11-03 02:05:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-03 02:05:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KAE [2022-11-03 02:05:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KAE [2022-11-03 02:05:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KAI [2022-11-03 02:05:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KAI [2022-11-03 02:05:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible_timeout [2022-11-03 02:05:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible_timeout [2022-11-03 02:05:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2022-11-03 02:05:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2022-11-03 02:05:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_keys_in_keys [2022-11-03 02:05:50,429 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_keys_in_keys [2022-11-03 02:05:50,429 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_battery_remove [2022-11-03 02:05:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_battery_remove [2022-11-03 02:05:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_state [2022-11-03 02:05:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_state [2022-11-03 02:05:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_led_probe [2022-11-03 02:05:50,430 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_led_probe [2022-11-03 02:05:50,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:05:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 02:05:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:05:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 02:05:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 02:05:50,431 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_drm [2022-11-03 02:05:50,431 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_drm [2022-11-03 02:05:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KEE [2022-11-03 02:05:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KEE [2022-11-03 02:05:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_check [2022-11-03 02:05:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_check [2022-11-03 02:05:50,432 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_mp_remove [2022-11-03 02:05:50,432 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_mp_remove [2022-11-03 02:05:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure handler_return [2022-11-03 02:05:50,433 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_return [2022-11-03 02:05:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 02:05:50,433 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 02:05:50,433 INFO L130 BoogieDeclarations]: Found specification of procedure handler_ir [2022-11-03 02:05:50,433 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_ir [2022-11-03 02:05:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_led_remove [2022-11-03 02:05:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_led_remove [2022-11-03 02:05:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:05:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 02:05:50,434 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_worker [2022-11-03 02:05:50,434 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_worker [2022-11-03 02:05:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_nunchuk_remove [2022-11-03 02:05:50,435 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_nunchuk_remove [2022-11-03 02:05:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_hid_remove [2022-11-03 02:05:50,435 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_hid_remove [2022-11-03 02:05:50,435 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2022-11-03 02:05:50,435 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2022-11-03 02:05:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_keep_rumble [2022-11-03 02:05:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_keep_rumble [2022-11-03 02:05:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_mp_unload [2022-11-03 02:05:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_mp_unload [2022-11-03 02:05:50,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 02:05:50,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 02:05:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2022-11-03 02:05:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2022-11-03 02:05:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_acquire_noint [2022-11-03 02:05:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_acquire_noint [2022-11-03 02:05:50,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:05:50,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 02:05:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:05:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:05:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 02:05:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_116 [2022-11-03 02:05:50,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_116 [2022-11-03 02:05:50,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 02:05:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 02:05:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_hid_probe [2022-11-03 02:05:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_hid_probe [2022-11-03 02:05:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_probe [2022-11-03 02:05:50,439 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_probe [2022-11-03 02:05:50,439 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_calib_store [2022-11-03 02:05:50,440 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_calib_store [2022-11-03 02:05:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_start [2022-11-03 02:05:50,440 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_start [2022-11-03 02:05:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:05:50,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 02:05:50,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:05:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_sync_of_wiimote_state [2022-11-03 02:05:50,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_sync_of_wiimote_state [2022-11-03 02:05:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-03 02:05:50,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-03 02:05:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:05:50,441 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_modules_load [2022-11-03 02:05:50,442 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_modules_load [2022-11-03 02:05:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 02:05:50,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 02:05:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:05:50,442 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_in_ext [2022-11-03 02:05:50,442 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_in_ext [2022-11-03 02:05:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-03 02:05:50,443 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-03 02:05:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure handler_data [2022-11-03 02:05:50,443 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_data [2022-11-03 02:05:50,443 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_write [2022-11-03 02:05:50,443 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_write [2022-11-03 02:05:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure handler_ext [2022-11-03 02:05:50,444 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_ext [2022-11-03 02:05:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 02:05:50,444 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 02:05:50,444 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_no_mp_remove [2022-11-03 02:05:50,444 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_no_mp_remove [2022-11-03 02:05:50,445 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2022-11-03 02:05:50,445 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2022-11-03 02:05:50,445 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_no_mp_probe [2022-11-03 02:05:50,445 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_no_mp_probe [2022-11-03 02:05:50,445 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_accel_in_accel [2022-11-03 02:05:50,445 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_accel_in_accel [2022-11-03 02:05:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-03 02:05:50,446 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-03 02:05:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_battery_probe [2022-11-03 02:05:50,446 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_battery_probe [2022-11-03 02:05:50,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:05:50,446 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:05:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_wait___0 [2022-11-03 02:05:50,447 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_wait___0 [2022-11-03 02:05:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:05:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read_ext [2022-11-03 02:05:50,447 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read_ext [2022-11-03 02:05:50,447 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_ext_load [2022-11-03 02:05:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_ext_load [2022-11-03 02:05:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_builtin_mp_remove [2022-11-03 02:05:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_builtin_mp_remove [2022-11-03 02:05:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:05:50,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 02:05:50,448 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_rumble_remove [2022-11-03 02:05:50,449 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_rumble_remove [2022-11-03 02:05:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:05:50,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 02:05:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:05:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 02:05:50,449 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 02:05:50,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:05:50,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 02:05:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sync_of_wiimote_state [2022-11-03 02:05:50,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sync_of_wiimote_state [2022-11-03 02:05:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:05:50,450 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KA [2022-11-03 02:05:50,450 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KA [2022-11-03 02:05:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KE [2022-11-03 02:05:50,451 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KE [2022-11-03 02:05:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_accel_remove [2022-11-03 02:05:50,451 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_accel_remove [2022-11-03 02:05:50,451 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_leds [2022-11-03 02:05:50,451 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_leds [2022-11-03 02:05:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2022-11-03 02:05:50,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2022-11-03 02:05:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_103 [2022-11-03 02:05:50,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_103 [2022-11-03 02:05:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2022-11-03 02:05:50,452 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2022-11-03 02:05:50,452 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-03 02:05:50,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-03 02:05:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 02:05:50,453 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 02:05:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_remove [2022-11-03 02:05:50,453 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_remove [2022-11-03 02:05:50,453 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-03 02:05:50,454 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-03 02:05:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:05:50,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:05:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2022-11-03 02:05:50,454 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2022-11-03 02:05:50,454 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_mp_in_mp [2022-11-03 02:05:50,454 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_mp_in_mp [2022-11-03 02:05:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:05:50,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 02:05:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:05:50,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 02:05:50,455 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_ir1 [2022-11-03 02:05:50,455 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_ir1 [2022-11-03 02:05:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_ir2 [2022-11-03 02:05:50,456 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_ir2 [2022-11-03 02:05:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-03 02:05:50,456 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-03 02:05:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure handler_keys [2022-11-03 02:05:50,456 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_keys [2022-11-03 02:05:50,456 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_hid_event [2022-11-03 02:05:50,457 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_hid_event [2022-11-03 02:05:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 02:05:50,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 02:05:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:05:50,457 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2022-11-03 02:05:50,457 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2022-11-03 02:05:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:05:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:05:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_rmem [2022-11-03 02:05:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_rmem [2022-11-03 02:05:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure handler_status [2022-11-03 02:05:50,458 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_status [2022-11-03 02:05:50,458 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2022-11-03 02:05:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2022-11-03 02:05:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_builtin_mp_probe [2022-11-03 02:05:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_builtin_mp_probe [2022-11-03 02:05:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure wiidebug_drm_write [2022-11-03 02:05:50,459 INFO L138 BoogieDeclarations]: Found implementation of procedure wiidebug_drm_write [2022-11-03 02:05:50,459 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_ext_store [2022-11-03 02:05:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_ext_store [2022-11-03 02:05:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_classic_remove [2022-11-03 02:05:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_classic_remove [2022-11-03 02:05:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_accel [2022-11-03 02:05:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_accel [2022-11-03 02:05:50,460 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_rumble_probe [2022-11-03 02:05:50,460 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_rumble_probe [2022-11-03 02:05:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure handler_generic_K [2022-11-03 02:05:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_generic_K [2022-11-03 02:05:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_release___0 [2022-11-03 02:05:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_release___0 [2022-11-03 02:05:50,461 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_hotplug [2022-11-03 02:05:50,461 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_hotplug [2022-11-03 02:05:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:05:50,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 02:05:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 02:05:50,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 02:05:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:05:50,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:05:50,462 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_remove [2022-11-03 02:05:50,463 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_remove [2022-11-03 02:05:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_abort [2022-11-03 02:05:50,463 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_abort [2022-11-03 02:05:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_status [2022-11-03 02:05:50,463 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_status [2022-11-03 02:05:50,463 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_drvdata [2022-11-03 02:05:50,464 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_drvdata [2022-11-03 02:05:50,464 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~VOID [2022-11-03 02:05:50,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~VOID [2022-11-03 02:05:50,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:05:50,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 02:05:50,464 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:05:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 02:05:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 02:05:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 02:05:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_set [2022-11-03 02:05:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_set [2022-11-03 02:05:50,465 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2022-11-03 02:05:50,465 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2022-11-03 02:05:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_destroy [2022-11-03 02:05:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_destroy [2022-11-03 02:05:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 02:05:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 02:05:50,466 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_mp_probe [2022-11-03 02:05:50,466 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_mp_probe [2022-11-03 02:05:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 02:05:50,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 02:05:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:05:50,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 02:05:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_detect [2022-11-03 02:05:50,467 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_detect [2022-11-03 02:05:50,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:05:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_rumble [2022-11-03 02:05:50,468 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_rumble [2022-11-03 02:05:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_keys_probe [2022-11-03 02:05:50,468 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_keys_probe [2022-11-03 02:05:50,468 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-03 02:05:50,468 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-03 02:05:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-03 02:05:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-03 02:05:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-03 02:05:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-03 02:05:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_change [2022-11-03 02:05:50,469 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_change [2022-11-03 02:05:50,469 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2022-11-03 02:05:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2022-11-03 02:05:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:05:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 02:05:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 02:05:50,470 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-03 02:05:50,470 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-03 02:05:50,471 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 02:05:50,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 02:05:50,471 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_remove [2022-11-03 02:05:50,471 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_remove [2022-11-03 02:05:50,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:05:50,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 02:05:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 02:05:50,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 02:05:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 02:05:50,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:05:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 02:05:50,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:05:50,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 02:05:50,473 INFO L130 BoogieDeclarations]: Found specification of procedure handler_status_K [2022-11-03 02:05:50,473 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_status_K [2022-11-03 02:05:50,473 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_init_mp [2022-11-03 02:05:50,473 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_init_mp [2022-11-03 02:05:50,473 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_sync_of_wiimote_state [2022-11-03 02:05:50,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_sync_of_wiimote_state [2022-11-03 02:05:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2022-11-03 02:05:50,474 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2022-11-03 02:05:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:05:50,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 02:05:50,474 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_nunchuk_in_ext [2022-11-03 02:05:50,474 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_nunchuk_in_ext [2022-11-03 02:05:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:05:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 02:05:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_complete [2022-11-03 02:05:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_complete [2022-11-03 02:05:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-03 02:05:50,475 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-03 02:05:50,475 INFO L130 BoogieDeclarations]: Found specification of procedure valid_ext_handler [2022-11-03 02:05:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_ext_handler [2022-11-03 02:05:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:05:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 02:05:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_SKAI1 [2022-11-03 02:05:50,476 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_SKAI1 [2022-11-03 02:05:50,476 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_SKAI2 [2022-11-03 02:05:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_SKAI2 [2022-11-03 02:05:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-03 02:05:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-03 02:05:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KAIE [2022-11-03 02:05:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KAIE [2022-11-03 02:05:50,477 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_ext_unload [2022-11-03 02:05:50,477 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_ext_unload [2022-11-03 02:05:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_probe [2022-11-03 02:05:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_probe [2022-11-03 02:05:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_E [2022-11-03 02:05:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_E [2022-11-03 02:05:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:05:50,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:05:50,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:05:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:05:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 02:05:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-03 02:05:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-03 02:05:50,479 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2022-11-03 02:05:50,479 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2022-11-03 02:05:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_acquire [2022-11-03 02:05:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_acquire [2022-11-03 02:05:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2022-11-03 02:05:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2022-11-03 02:05:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure wiidebug_drm_open [2022-11-03 02:05:50,480 INFO L138 BoogieDeclarations]: Found implementation of procedure wiidebug_drm_open [2022-11-03 02:05:50,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_wiimote_state [2022-11-03 02:05:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_wiimote_state [2022-11-03 02:05:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_queue [2022-11-03 02:05:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_queue [2022-11-03 02:05:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_probe [2022-11-03 02:05:50,481 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_probe [2022-11-03 02:05:50,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~bool~0~X~int~TO~VOID [2022-11-03 02:05:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~bool~0~X~int~TO~VOID [2022-11-03 02:05:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2022-11-03 02:05:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2022-11-03 02:05:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_set_type [2022-11-03 02:05:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_set_type [2022-11-03 02:05:50,482 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_schedule [2022-11-03 02:05:50,482 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_schedule [2022-11-03 02:05:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-03 02:05:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-03 02:05:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:05:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 02:05:50,483 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 02:05:50,483 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_classic_in_ext [2022-11-03 02:05:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_classic_in_ext [2022-11-03 02:05:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:05:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 02:05:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_pending [2022-11-03 02:05:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_pending [2022-11-03 02:05:50,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 02:05:50,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 02:05:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure handler_accel [2022-11-03 02:05:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_accel [2022-11-03 02:05:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KIE [2022-11-03 02:05:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KIE [2022-11-03 02:05:50,485 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read_mp_mapped [2022-11-03 02:05:50,485 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read_mp_mapped [2022-11-03 02:05:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure wiidebug_eeprom_read [2022-11-03 02:05:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure wiidebug_eeprom_read [2022-11-03 02:05:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 02:05:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 02:05:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_classic_probe [2022-11-03 02:05:50,486 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_classic_probe [2022-11-03 02:05:50,486 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 02:05:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 02:05:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_init_ext [2022-11-03 02:05:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_init_ext [2022-11-03 02:05:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_release [2022-11-03 02:05:50,487 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_release [2022-11-03 02:05:50,487 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:05:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 02:05:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2022-11-03 02:05:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2022-11-03 02:05:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:05:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:05:50,488 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_mp_load [2022-11-03 02:05:50,488 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_mp_load [2022-11-03 02:05:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-03 02:05:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-03 02:05:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create_memless [2022-11-03 02:05:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create_memless [2022-11-03 02:05:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:05:50,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 02:05:50,489 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-03 02:05:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-03 02:05:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_nunchuk_probe [2022-11-03 02:05:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_nunchuk_probe [2022-11-03 02:05:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_wait_for_completion_ready_of_wiimote_state [2022-11-03 02:05:50,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_wait_for_completion_ready_of_wiimote_state [2022-11-03 02:05:50,490 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read_mp [2022-11-03 02:05:50,491 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read_mp [2022-11-03 02:05:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_in_ir [2022-11-03 02:05:50,491 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_in_ir [2022-11-03 02:05:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:05:50,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 02:05:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2022-11-03 02:05:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2022-11-03 02:05:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_in_keys [2022-11-03 02:05:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_in_keys [2022-11-03 02:05:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_in_ext [2022-11-03 02:05:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_in_ext [2022-11-03 02:05:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 02:05:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 02:05:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 02:05:50,493 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 02:05:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:05:50,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 02:05:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_wait [2022-11-03 02:05:50,493 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_wait [2022-11-03 02:05:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 02:05:50,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 02:05:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2022-11-03 02:05:50,494 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2022-11-03 02:05:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_queue [2022-11-03 02:05:50,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_queue [2022-11-03 02:05:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:05:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 02:05:50,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-03 02:05:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read [2022-11-03 02:05:50,495 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read [2022-11-03 02:05:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-03 02:05:50,495 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-03 02:05:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_115 [2022-11-03 02:05:50,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_115 [2022-11-03 02:05:53,360 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:05:53,369 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:05:53,797 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:06:18,073 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:06:21,980 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:06:21,980 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 02:06:21,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:06:21 BoogieIcfgContainer [2022-11-03 02:06:21,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:06:21,993 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:06:21,993 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:06:21,996 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:06:21,997 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:05:34" (1/3) ... [2022-11-03 02:06:21,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f76a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:06:21, skipping insertion in model container [2022-11-03 02:06:21,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:05:48" (2/3) ... [2022-11-03 02:06:21,998 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46f76a29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:06:21, skipping insertion in model container [2022-11-03 02:06:21,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:06:21" (3/3) ... [2022-11-03 02:06:22,000 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i [2022-11-03 02:06:22,019 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:06:22,019 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-03 02:06:22,190 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:06:22,196 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66c75668, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:06:22,196 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-03 02:06:22,219 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) [2022-11-03 02:06:22,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-03 02:06:22,230 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:22,231 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:06:22,232 INFO L420 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)] === [2022-11-03 02:06:22,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:22,240 INFO L85 PathProgramCache]: Analyzing trace with hash 453767284, now seen corresponding path program 1 times [2022-11-03 02:06:22,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:22,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792051281] [2022-11-03 02:06:22,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:22,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:23,807 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:06:23,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:23,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792051281] [2022-11-03 02:06:23,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792051281] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:23,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:23,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:06:23,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730487518] [2022-11-03 02:06:23,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:23,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:06:23,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:23,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:06:23,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:06:23,868 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) [2022-11-03 02:06:27,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:29,386 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:31,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:32,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:32,812 INFO L93 Difference]: Finished difference Result 11280 states and 18077 transitions. [2022-11-03 02:06:32,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:06:32,816 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 [2022-11-03 02:06:32,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:32,894 INFO L225 Difference]: With dead ends: 11280 [2022-11-03 02:06:32,895 INFO L226 Difference]: Without dead ends: 5603 [2022-11-03 02:06:32,955 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:06:32,959 INFO L413 NwaCegarLoop]: 8312 mSDtfsCounter, 8606 mSDsluCounter, 8774 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8611 SdHoareTripleChecker+Valid, 16701 SdHoareTripleChecker+Invalid, 772 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:32,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8611 Valid, 16701 Invalid, 772 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 770 Invalid, 2 Unknown, 0 Unchecked, 8.2s Time] [2022-11-03 02:06:32,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5603 states. [2022-11-03 02:06:33,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5603 to 5603. [2022-11-03 02:06:33,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5603 states, 2985 states have (on average 1.289782244556114) internal successors, (3850), 3398 states have internal predecessors, (3850), 2380 states have call successors, (2380), 212 states have call predecessors, (2380), 211 states have return successors, (2378), 2116 states have call predecessors, (2378), 2378 states have call successors, (2378) [2022-11-03 02:06:33,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5603 states to 5603 states and 8608 transitions. [2022-11-03 02:06:33,971 INFO L78 Accepts]: Start accepts. Automaton has 5603 states and 8608 transitions. Word has length 47 [2022-11-03 02:06:33,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:33,972 INFO L495 AbstractCegarLoop]: Abstraction has 5603 states and 8608 transitions. [2022-11-03 02:06:33,972 INFO L496 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) [2022-11-03 02:06:33,972 INFO L276 IsEmpty]: Start isEmpty. Operand 5603 states and 8608 transitions. [2022-11-03 02:06:33,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-03 02:06:33,975 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:33,975 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:06:33,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:06:33,975 INFO L420 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)] === [2022-11-03 02:06:33,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:33,976 INFO L85 PathProgramCache]: Analyzing trace with hash 444470025, now seen corresponding path program 1 times [2022-11-03 02:06:33,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:33,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785600333] [2022-11-03 02:06:33,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:33,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:06:34,600 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:34,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785600333] [2022-11-03 02:06:34,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785600333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:34,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:34,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:06:34,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209839600] [2022-11-03 02:06:34,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:34,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:06:34,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:34,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:06:34,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:06:34,603 INFO L87 Difference]: Start difference. First operand 5603 states and 8608 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) [2022-11-03 02:06:37,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:40,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:41,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:41,845 INFO L93 Difference]: Finished difference Result 6202 states and 9430 transitions. [2022-11-03 02:06:41,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:06:41,846 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 [2022-11-03 02:06:41,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:41,890 INFO L225 Difference]: With dead ends: 6202 [2022-11-03 02:06:41,890 INFO L226 Difference]: Without dead ends: 6200 [2022-11-03 02:06:41,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:06:41,897 INFO L413 NwaCegarLoop]: 8446 mSDtfsCounter, 8414 mSDsluCounter, 9794 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8425 SdHoareTripleChecker+Valid, 17805 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:41,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8425 Valid, 17805 Invalid, 821 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 819 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2022-11-03 02:06:41,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6200 states. [2022-11-03 02:06:42,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6200 to 6194. [2022-11-03 02:06:42,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6194 states, 3291 states have (on average 1.2865390458827104) internal successors, (4234), 3745 states have internal predecessors, (4234), 2596 states have call successors, (2596), 282 states have call predecessors, (2596), 281 states have return successors, (2594), 2296 states have call predecessors, (2594), 2594 states have call successors, (2594) [2022-11-03 02:06:42,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6194 states to 6194 states and 9424 transitions. [2022-11-03 02:06:42,811 INFO L78 Accepts]: Start accepts. Automaton has 6194 states and 9424 transitions. Word has length 52 [2022-11-03 02:06:42,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:42,812 INFO L495 AbstractCegarLoop]: Abstraction has 6194 states and 9424 transitions. [2022-11-03 02:06:42,812 INFO L496 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) [2022-11-03 02:06:42,812 INFO L276 IsEmpty]: Start isEmpty. Operand 6194 states and 9424 transitions. [2022-11-03 02:06:42,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-11-03 02:06:42,821 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:42,822 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:06:42,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:06:42,822 INFO L420 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)] === [2022-11-03 02:06:42,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:42,832 INFO L85 PathProgramCache]: Analyzing trace with hash -915451269, now seen corresponding path program 1 times [2022-11-03 02:06:42,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:42,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393737544] [2022-11-03 02:06:42,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:42,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:43,464 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:06:43,464 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:43,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [393737544] [2022-11-03 02:06:43,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [393737544] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:43,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:43,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:06:43,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760594426] [2022-11-03 02:06:43,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:43,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:06:43,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:43,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:06:43,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:06:43,467 INFO L87 Difference]: Start difference. First operand 6194 states and 9424 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) [2022-11-03 02:06:45,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:48,631 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:50,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:52,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:52,402 INFO L93 Difference]: Finished difference Result 6259 states and 9507 transitions. [2022-11-03 02:06:52,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:06:52,403 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 [2022-11-03 02:06:52,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:52,451 INFO L225 Difference]: With dead ends: 6259 [2022-11-03 02:06:52,451 INFO L226 Difference]: Without dead ends: 6257 [2022-11-03 02:06:52,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:06:52,456 INFO L413 NwaCegarLoop]: 8467 mSDtfsCounter, 8481 mSDsluCounter, 9817 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8489 SdHoareTripleChecker+Valid, 17847 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:52,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8489 Valid, 17847 Invalid, 823 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 821 Invalid, 2 Unknown, 0 Unchecked, 8.4s Time] [2022-11-03 02:06:52,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6257 states. [2022-11-03 02:06:53,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6257 to 6252. [2022-11-03 02:06:53,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6252 states, 3320 states have (on average 1.283734939759036) internal successors, (4262), 3773 states have internal predecessors, (4262), 2621 states have call successors, (2621), 287 states have call predecessors, (2621), 286 states have return successors, (2619), 2321 states have call predecessors, (2619), 2619 states have call successors, (2619) [2022-11-03 02:06:53,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6252 states to 6252 states and 9502 transitions. [2022-11-03 02:06:53,394 INFO L78 Accepts]: Start accepts. Automaton has 6252 states and 9502 transitions. Word has length 57 [2022-11-03 02:06:53,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:53,397 INFO L495 AbstractCegarLoop]: Abstraction has 6252 states and 9502 transitions. [2022-11-03 02:06:53,398 INFO L496 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) [2022-11-03 02:06:53,398 INFO L276 IsEmpty]: Start isEmpty. Operand 6252 states and 9502 transitions. [2022-11-03 02:06:53,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-03 02:06:53,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:53,403 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:06:53,403 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:06:53,403 INFO L420 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)] === [2022-11-03 02:06:53,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:53,404 INFO L85 PathProgramCache]: Analyzing trace with hash 960706566, now seen corresponding path program 1 times [2022-11-03 02:06:53,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:53,405 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065982557] [2022-11-03 02:06:53,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:53,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:54,152 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:06:54,152 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:54,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065982557] [2022-11-03 02:06:54,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065982557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:54,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:54,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:06:54,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929673290] [2022-11-03 02:06:54,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:54,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:06:54,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:54,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:06:54,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:06:54,155 INFO L87 Difference]: Start difference. First operand 6252 states and 9502 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) [2022-11-03 02:06:57,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:59,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:01,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:07:01,210 INFO L93 Difference]: Finished difference Result 6257 states and 9505 transitions. [2022-11-03 02:07:01,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:07:01,211 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 [2022-11-03 02:07:01,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:07:01,249 INFO L225 Difference]: With dead ends: 6257 [2022-11-03 02:07:01,250 INFO L226 Difference]: Without dead ends: 6255 [2022-11-03 02:07:01,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:07:01,254 INFO L413 NwaCegarLoop]: 8439 mSDtfsCounter, 8408 mSDsluCounter, 9787 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8419 SdHoareTripleChecker+Valid, 17791 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:07:01,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8419 Valid, 17791 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 819 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-03 02:07:01,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6255 states. [2022-11-03 02:07:01,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6255 to 6250. [2022-11-03 02:07:01,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6250 states, 3319 states have (on average 1.2835191322687556) internal successors, (4260), 3771 states have internal predecessors, (4260), 2621 states have call successors, (2621), 287 states have call predecessors, (2621), 286 states have return successors, (2619), 2321 states have call predecessors, (2619), 2619 states have call successors, (2619) [2022-11-03 02:07:01,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6250 states to 6250 states and 9500 transitions. [2022-11-03 02:07:01,928 INFO L78 Accepts]: Start accepts. Automaton has 6250 states and 9500 transitions. Word has length 62 [2022-11-03 02:07:01,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:07:01,929 INFO L495 AbstractCegarLoop]: Abstraction has 6250 states and 9500 transitions. [2022-11-03 02:07:01,929 INFO L496 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) [2022-11-03 02:07:01,929 INFO L276 IsEmpty]: Start isEmpty. Operand 6250 states and 9500 transitions. [2022-11-03 02:07:01,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-03 02:07:01,931 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:07:01,932 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:07:01,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:07:01,933 INFO L420 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)] === [2022-11-03 02:07:01,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:07:01,934 INFO L85 PathProgramCache]: Analyzing trace with hash -2139016666, now seen corresponding path program 1 times [2022-11-03 02:07:01,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:07:01,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663009727] [2022-11-03 02:07:01,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:07:01,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:07:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:07:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:07:02,555 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:07:02,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663009727] [2022-11-03 02:07:02,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663009727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:07:02,556 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:07:02,556 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:07:02,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385082302] [2022-11-03 02:07:02,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:07:02,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:07:02,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:07:02,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:07:02,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:07:02,561 INFO L87 Difference]: Start difference. First operand 6250 states and 9500 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) [2022-11-03 02:07:05,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:08,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:09,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:07:09,517 INFO L93 Difference]: Finished difference Result 6255 states and 9503 transitions. [2022-11-03 02:07:09,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:07:09,518 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 [2022-11-03 02:07:09,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:07:09,565 INFO L225 Difference]: With dead ends: 6255 [2022-11-03 02:07:09,566 INFO L226 Difference]: Without dead ends: 6253 [2022-11-03 02:07:09,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:07:09,573 INFO L413 NwaCegarLoop]: 8438 mSDtfsCounter, 8405 mSDsluCounter, 9786 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8416 SdHoareTripleChecker+Valid, 17789 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:07:09,574 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8416 Valid, 17789 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 819 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-03 02:07:09,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6253 states. [2022-11-03 02:07:10,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6253 to 6248. [2022-11-03 02:07:10,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6248 states, 3318 states have (on average 1.2833031946955997) internal successors, (4258), 3769 states have internal predecessors, (4258), 2621 states have call successors, (2621), 287 states have call predecessors, (2621), 286 states have return successors, (2619), 2321 states have call predecessors, (2619), 2619 states have call successors, (2619) [2022-11-03 02:07:10,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6248 states to 6248 states and 9498 transitions. [2022-11-03 02:07:10,559 INFO L78 Accepts]: Start accepts. Automaton has 6248 states and 9498 transitions. Word has length 67 [2022-11-03 02:07:10,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:07:10,560 INFO L495 AbstractCegarLoop]: Abstraction has 6248 states and 9498 transitions. [2022-11-03 02:07:10,560 INFO L496 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) [2022-11-03 02:07:10,560 INFO L276 IsEmpty]: Start isEmpty. Operand 6248 states and 9498 transitions. [2022-11-03 02:07:10,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-03 02:07:10,561 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:07:10,562 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:07:10,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:07:10,562 INFO L420 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)] === [2022-11-03 02:07:10,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:07:10,563 INFO L85 PathProgramCache]: Analyzing trace with hash 1054566781, now seen corresponding path program 1 times [2022-11-03 02:07:10,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:07:10,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008862347] [2022-11-03 02:07:10,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:07:10,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:07:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:07:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:07:11,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:07:11,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008862347] [2022-11-03 02:07:11,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008862347] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:07:11,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:07:11,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:07:11,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853418339] [2022-11-03 02:07:11,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:07:11,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:07:11,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:07:11,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:07:11,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:07:11,274 INFO L87 Difference]: Start difference. First operand 6248 states and 9498 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) [2022-11-03 02:07:14,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:16,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:18,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:07:18,230 INFO L93 Difference]: Finished difference Result 6253 states and 9501 transitions. [2022-11-03 02:07:18,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:07:18,234 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 [2022-11-03 02:07:18,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:07:18,267 INFO L225 Difference]: With dead ends: 6253 [2022-11-03 02:07:18,267 INFO L226 Difference]: Without dead ends: 6251 [2022-11-03 02:07:18,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:07:18,273 INFO L413 NwaCegarLoop]: 8439 mSDtfsCounter, 8402 mSDsluCounter, 9787 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8413 SdHoareTripleChecker+Valid, 17791 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:07:18,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8413 Valid, 17791 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 819 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-03 02:07:18,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6251 states. [2022-11-03 02:07:19,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6251 to 6246. [2022-11-03 02:07:19,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6246 states, 3317 states have (on average 1.2830871269219173) internal successors, (4256), 3767 states have internal predecessors, (4256), 2621 states have call successors, (2621), 287 states have call predecessors, (2621), 286 states have return successors, (2619), 2321 states have call predecessors, (2619), 2619 states have call successors, (2619) [2022-11-03 02:07:19,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6246 states to 6246 states and 9496 transitions. [2022-11-03 02:07:19,084 INFO L78 Accepts]: Start accepts. Automaton has 6246 states and 9496 transitions. Word has length 72 [2022-11-03 02:07:19,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:07:19,086 INFO L495 AbstractCegarLoop]: Abstraction has 6246 states and 9496 transitions. [2022-11-03 02:07:19,086 INFO L496 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) [2022-11-03 02:07:19,086 INFO L276 IsEmpty]: Start isEmpty. Operand 6246 states and 9496 transitions. [2022-11-03 02:07:19,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 02:07:19,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:07:19,088 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:07:19,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:07:19,088 INFO L420 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)] === [2022-11-03 02:07:19,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:07:19,089 INFO L85 PathProgramCache]: Analyzing trace with hash 526480789, now seen corresponding path program 1 times [2022-11-03 02:07:19,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:07:19,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794141276] [2022-11-03 02:07:19,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:07:19,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:07:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:07:19,751 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:07:19,752 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:07:19,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794141276] [2022-11-03 02:07:19,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794141276] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:07:19,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:07:19,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:07:19,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812091608] [2022-11-03 02:07:19,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:07:19,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:07:19,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:07:19,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:07:19,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:07:19,754 INFO L87 Difference]: Start difference. First operand 6246 states and 9496 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) [2022-11-03 02:07:22,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:25,269 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:26,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:07:26,714 INFO L93 Difference]: Finished difference Result 6251 states and 9499 transitions. [2022-11-03 02:07:26,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:07:26,714 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 [2022-11-03 02:07:26,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:07:26,757 INFO L225 Difference]: With dead ends: 6251 [2022-11-03 02:07:26,757 INFO L226 Difference]: Without dead ends: 6249 [2022-11-03 02:07:26,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:07:26,766 INFO L413 NwaCegarLoop]: 8435 mSDtfsCounter, 8399 mSDsluCounter, 9783 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8410 SdHoareTripleChecker+Valid, 17783 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:07:26,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8410 Valid, 17783 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 819 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-11-03 02:07:26,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6249 states. [2022-11-03 02:07:27,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6249 to 6244. [2022-11-03 02:07:27,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6244 states, 3316 states have (on average 1.2828709288299156) internal successors, (4254), 3765 states have internal predecessors, (4254), 2621 states have call successors, (2621), 287 states have call predecessors, (2621), 286 states have return successors, (2619), 2321 states have call predecessors, (2619), 2619 states have call successors, (2619) [2022-11-03 02:07:27,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6244 states to 6244 states and 9494 transitions. [2022-11-03 02:07:27,503 INFO L78 Accepts]: Start accepts. Automaton has 6244 states and 9494 transitions. Word has length 77 [2022-11-03 02:07:27,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:07:27,504 INFO L495 AbstractCegarLoop]: Abstraction has 6244 states and 9494 transitions. [2022-11-03 02:07:27,504 INFO L496 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) [2022-11-03 02:07:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 6244 states and 9494 transitions. [2022-11-03 02:07:27,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-03 02:07:27,506 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:07:27,506 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:07:27,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:07:27,506 INFO L420 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)] === [2022-11-03 02:07:27,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:07:27,507 INFO L85 PathProgramCache]: Analyzing trace with hash -817534190, now seen corresponding path program 1 times [2022-11-03 02:07:27,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:07:27,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772611586] [2022-11-03 02:07:27,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:07:27,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:07:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:07:29,620 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-11-03 02:07:29,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:07:29,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772611586] [2022-11-03 02:07:29,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772611586] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:07:29,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:07:29,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:07:29,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618726255] [2022-11-03 02:07:29,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:07:29,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:07:29,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:07:29,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:07:29,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:07:29,624 INFO L87 Difference]: Start difference. First operand 6244 states and 9494 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) [2022-11-03 02:07:34,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:37,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:48,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:07:48,650 INFO L93 Difference]: Finished difference Result 6293 states and 9544 transitions. [2022-11-03 02:07:48,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:07:48,651 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 [2022-11-03 02:07:48,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:07:48,685 INFO L225 Difference]: With dead ends: 6293 [2022-11-03 02:07:48,686 INFO L226 Difference]: Without dead ends: 6291 [2022-11-03 02:07:48,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:07:48,691 INFO L413 NwaCegarLoop]: 8438 mSDtfsCounter, 8395 mSDsluCounter, 22744 mSDsCounter, 0 mSdLazyCounter, 6265 mSolverCounterSat, 4 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8409 SdHoareTripleChecker+Valid, 29993 SdHoareTripleChecker+Invalid, 6271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6265 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:07:48,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8409 Valid, 29993 Invalid, 6271 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6265 Invalid, 2 Unknown, 0 Unchecked, 18.1s Time] [2022-11-03 02:07:48,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6291 states. [2022-11-03 02:07:49,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6291 to 6286. [2022-11-03 02:07:49,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6286 states, 3337 states have (on average 1.2816901408450705) internal successors, (4277), 3785 states have internal predecessors, (4277), 2632 states have call successors, (2632), 298 states have call predecessors, (2632), 297 states have return successors, (2630), 2332 states have call predecessors, (2630), 2630 states have call successors, (2630) [2022-11-03 02:07:49,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6286 states to 6286 states and 9539 transitions. [2022-11-03 02:07:49,391 INFO L78 Accepts]: Start accepts. Automaton has 6286 states and 9539 transitions. Word has length 100 [2022-11-03 02:07:49,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:07:49,392 INFO L495 AbstractCegarLoop]: Abstraction has 6286 states and 9539 transitions. [2022-11-03 02:07:49,392 INFO L496 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) [2022-11-03 02:07:49,392 INFO L276 IsEmpty]: Start isEmpty. Operand 6286 states and 9539 transitions. [2022-11-03 02:07:49,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-03 02:07:49,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:07:49,394 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:07:49,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:07:49,394 INFO L420 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)] === [2022-11-03 02:07:49,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:07:49,395 INFO L85 PathProgramCache]: Analyzing trace with hash 2063340134, now seen corresponding path program 1 times [2022-11-03 02:07:49,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:07:49,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127972511] [2022-11-03 02:07:49,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:07:49,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:07:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:07:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-11-03 02:07:49,870 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:07:49,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127972511] [2022-11-03 02:07:49,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127972511] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:07:49,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:07:49,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:07:49,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188759104] [2022-11-03 02:07:49,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:07:49,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:07:49,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:07:49,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:07:49,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:07:49,873 INFO L87 Difference]: Start difference. First operand 6286 states and 9539 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) [2022-11-03 02:07:52,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:54,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:55,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:07:55,513 INFO L93 Difference]: Finished difference Result 12548 states and 19127 transitions. [2022-11-03 02:07:55,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:07:55,513 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 [2022-11-03 02:07:55,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:07:55,543 INFO L225 Difference]: With dead ends: 12548 [2022-11-03 02:07:55,543 INFO L226 Difference]: Without dead ends: 6282 [2022-11-03 02:07:55,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:07:55,584 INFO L413 NwaCegarLoop]: 8194 mSDtfsCounter, 8478 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8481 SdHoareTripleChecker+Valid, 8271 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:07:55,584 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8481 Valid, 8271 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 386 Invalid, 1 Unknown, 0 Unchecked, 4.9s Time] [2022-11-03 02:07:55,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6282 states. [2022-11-03 02:07:56,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6282 to 6282. [2022-11-03 02:07:56,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6282 states, 3334 states have (on average 1.2813437312537492) internal successors, (4272), 3781 states have internal predecessors, (4272), 2632 states have call successors, (2632), 298 states have call predecessors, (2632), 297 states have return successors, (2630), 2332 states have call predecessors, (2630), 2630 states have call successors, (2630) [2022-11-03 02:07:56,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6282 states to 6282 states and 9534 transitions. [2022-11-03 02:07:56,386 INFO L78 Accepts]: Start accepts. Automaton has 6282 states and 9534 transitions. Word has length 103 [2022-11-03 02:07:56,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:07:56,386 INFO L495 AbstractCegarLoop]: Abstraction has 6282 states and 9534 transitions. [2022-11-03 02:07:56,386 INFO L496 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) [2022-11-03 02:07:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 6282 states and 9534 transitions. [2022-11-03 02:07:56,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-11-03 02:07:56,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:07:56,388 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:07:56,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:07:56,389 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 02:07:56,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:07:56,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1956251084, now seen corresponding path program 1 times [2022-11-03 02:07:56,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:07:56,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840735928] [2022-11-03 02:07:56,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:07:56,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:07:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:07:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:07:56,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:07:56,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840735928] [2022-11-03 02:07:56,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840735928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:07:56,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:07:56,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:07:56,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108151374] [2022-11-03 02:07:56,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:07:56,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:07:56,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:07:56,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:07:56,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:07:56,919 INFO L87 Difference]: Start difference. First operand 6282 states and 9534 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) [2022-11-03 02:08:00,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:01,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:03,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:04,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:04,703 INFO L93 Difference]: Finished difference Result 6282 states and 9534 transitions. [2022-11-03 02:08:04,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:08:04,704 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 [2022-11-03 02:08:04,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:04,727 INFO L225 Difference]: With dead ends: 6282 [2022-11-03 02:08:04,728 INFO L226 Difference]: Without dead ends: 6280 [2022-11-03 02:08:04,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:08:04,731 INFO L413 NwaCegarLoop]: 8191 mSDtfsCounter, 8481 mSDsluCounter, 8648 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8486 SdHoareTripleChecker+Valid, 16455 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:04,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8486 Valid, 16455 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 2 Unknown, 0 Unchecked, 7.1s Time] [2022-11-03 02:08:04,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6280 states. [2022-11-03 02:08:05,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6280 to 6280. [2022-11-03 02:08:05,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6280 states, 3333 states have (on average 1.281128112811281) internal successors, (4270), 3779 states have internal predecessors, (4270), 2632 states have call successors, (2632), 298 states have call predecessors, (2632), 297 states have return successors, (2630), 2332 states have call predecessors, (2630), 2630 states have call successors, (2630) [2022-11-03 02:08:05,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6280 states to 6280 states and 9532 transitions. [2022-11-03 02:08:05,453 INFO L78 Accepts]: Start accepts. Automaton has 6280 states and 9532 transitions. Word has length 82 [2022-11-03 02:08:05,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:05,454 INFO L495 AbstractCegarLoop]: Abstraction has 6280 states and 9532 transitions. [2022-11-03 02:08:05,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 02:08:05,454 INFO L276 IsEmpty]: Start isEmpty. Operand 6280 states and 9532 transitions. [2022-11-03 02:08:05,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-03 02:08:05,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:05,456 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:08:05,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:08:05,456 INFO L420 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)] === [2022-11-03 02:08:05,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:05,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1238588279, now seen corresponding path program 1 times [2022-11-03 02:08:05,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:05,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012545590] [2022-11-03 02:08:05,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:05,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:05,980 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:08:05,980 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:05,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012545590] [2022-11-03 02:08:05,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012545590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:05,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:08:05,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:08:05,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885156996] [2022-11-03 02:08:05,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:05,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:08:05,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:05,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:08:05,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:08:05,983 INFO L87 Difference]: Start difference. First operand 6280 states and 9532 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) [2022-11-03 02:08:09,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:11,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:12,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:12,858 INFO L93 Difference]: Finished difference Result 6285 states and 9535 transitions. [2022-11-03 02:08:12,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:08:12,859 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 [2022-11-03 02:08:12,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:12,884 INFO L225 Difference]: With dead ends: 6285 [2022-11-03 02:08:12,884 INFO L226 Difference]: Without dead ends: 6283 [2022-11-03 02:08:12,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:08:12,890 INFO L413 NwaCegarLoop]: 8424 mSDtfsCounter, 8385 mSDsluCounter, 9772 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8396 SdHoareTripleChecker+Valid, 17761 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:12,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8396 Valid, 17761 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 819 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-11-03 02:08:12,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6283 states. [2022-11-03 02:08:13,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6283 to 6278. [2022-11-03 02:08:13,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6278 states, 3332 states have (on average 1.2809123649459784) internal successors, (4268), 3777 states have internal predecessors, (4268), 2632 states have call successors, (2632), 298 states have call predecessors, (2632), 297 states have return successors, (2630), 2332 states have call predecessors, (2630), 2630 states have call successors, (2630) [2022-11-03 02:08:13,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6278 states to 6278 states and 9530 transitions. [2022-11-03 02:08:13,776 INFO L78 Accepts]: Start accepts. Automaton has 6278 states and 9530 transitions. Word has length 84 [2022-11-03 02:08:13,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:13,776 INFO L495 AbstractCegarLoop]: Abstraction has 6278 states and 9530 transitions. [2022-11-03 02:08:13,777 INFO L496 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) [2022-11-03 02:08:13,777 INFO L276 IsEmpty]: Start isEmpty. Operand 6278 states and 9530 transitions. [2022-11-03 02:08:13,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-11-03 02:08:13,781 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:13,782 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:08:13,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:08:13,782 INFO L420 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)] === [2022-11-03 02:08:13,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:13,782 INFO L85 PathProgramCache]: Analyzing trace with hash -505409122, now seen corresponding path program 1 times [2022-11-03 02:08:13,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:13,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459212392] [2022-11-03 02:08:13,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:13,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:14,310 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:08:14,310 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:14,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459212392] [2022-11-03 02:08:14,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459212392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:14,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:08:14,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:08:14,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066559739] [2022-11-03 02:08:14,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:14,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:08:14,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:14,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:08:14,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:08:14,313 INFO L87 Difference]: Start difference. First operand 6278 states and 9530 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) [2022-11-03 02:08:17,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:18,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:08:20,726 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:22,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:22,429 INFO L93 Difference]: Finished difference Result 6283 states and 9533 transitions. [2022-11-03 02:08:22,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:08:22,430 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 [2022-11-03 02:08:22,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:22,449 INFO L225 Difference]: With dead ends: 6283 [2022-11-03 02:08:22,449 INFO L226 Difference]: Without dead ends: 6281 [2022-11-03 02:08:22,452 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:08:22,453 INFO L413 NwaCegarLoop]: 8422 mSDtfsCounter, 8384 mSDsluCounter, 9770 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8395 SdHoareTripleChecker+Valid, 17757 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:22,453 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8395 Valid, 17757 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 819 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-11-03 02:08:22,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6281 states. [2022-11-03 02:08:23,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6281 to 6276. [2022-11-03 02:08:23,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6276 states, 3331 states have (on average 1.280696487541279) internal successors, (4266), 3775 states have internal predecessors, (4266), 2632 states have call successors, (2632), 298 states have call predecessors, (2632), 297 states have return successors, (2630), 2332 states have call predecessors, (2630), 2630 states have call successors, (2630) [2022-11-03 02:08:23,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6276 states to 6276 states and 9528 transitions. [2022-11-03 02:08:23,199 INFO L78 Accepts]: Start accepts. Automaton has 6276 states and 9528 transitions. Word has length 89 [2022-11-03 02:08:23,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:23,199 INFO L495 AbstractCegarLoop]: Abstraction has 6276 states and 9528 transitions. [2022-11-03 02:08:23,199 INFO L496 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) [2022-11-03 02:08:23,199 INFO L276 IsEmpty]: Start isEmpty. Operand 6276 states and 9528 transitions. [2022-11-03 02:08:23,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 02:08:23,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:23,201 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:08:23,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 02:08:23,201 INFO L420 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)] === [2022-11-03 02:08:23,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:23,202 INFO L85 PathProgramCache]: Analyzing trace with hash -749969728, now seen corresponding path program 1 times [2022-11-03 02:08:23,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:23,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089348643] [2022-11-03 02:08:23,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:23,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:23,702 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:08:23,703 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:23,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089348643] [2022-11-03 02:08:23,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089348643] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:23,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:08:23,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:08:23,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251382732] [2022-11-03 02:08:23,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:23,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:08:23,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:23,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:08:23,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:08:23,705 INFO L87 Difference]: Start difference. First operand 6276 states and 9528 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) [2022-11-03 02:08:26,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:29,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:31,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:31,248 INFO L93 Difference]: Finished difference Result 6281 states and 9531 transitions. [2022-11-03 02:08:31,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:08:31,249 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 [2022-11-03 02:08:31,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:31,267 INFO L225 Difference]: With dead ends: 6281 [2022-11-03 02:08:31,267 INFO L226 Difference]: Without dead ends: 6279 [2022-11-03 02:08:31,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:08:31,271 INFO L413 NwaCegarLoop]: 8421 mSDtfsCounter, 8381 mSDsluCounter, 9769 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8392 SdHoareTripleChecker+Valid, 17755 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:31,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8392 Valid, 17755 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 819 Invalid, 2 Unknown, 0 Unchecked, 6.7s Time] [2022-11-03 02:08:31,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6279 states. [2022-11-03 02:08:31,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6279 to 6274. [2022-11-03 02:08:31,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6274 states, 3330 states have (on average 1.2804804804804806) internal successors, (4264), 3773 states have internal predecessors, (4264), 2632 states have call successors, (2632), 298 states have call predecessors, (2632), 297 states have return successors, (2630), 2332 states have call predecessors, (2630), 2630 states have call successors, (2630) [2022-11-03 02:08:32,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6274 states to 6274 states and 9526 transitions. [2022-11-03 02:08:32,022 INFO L78 Accepts]: Start accepts. Automaton has 6274 states and 9526 transitions. Word has length 94 [2022-11-03 02:08:32,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:32,022 INFO L495 AbstractCegarLoop]: Abstraction has 6274 states and 9526 transitions. [2022-11-03 02:08:32,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-03 02:08:32,022 INFO L276 IsEmpty]: Start isEmpty. Operand 6274 states and 9526 transitions. [2022-11-03 02:08:32,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-03 02:08:32,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:32,023 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:08:32,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:08:32,024 INFO L420 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)] === [2022-11-03 02:08:32,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:32,024 INFO L85 PathProgramCache]: Analyzing trace with hash 944231306, now seen corresponding path program 1 times [2022-11-03 02:08:32,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:32,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565776056] [2022-11-03 02:08:32,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:32,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:32,534 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:08:32,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:32,534 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565776056] [2022-11-03 02:08:32,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565776056] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:32,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:08:32,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:08:32,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175566398] [2022-11-03 02:08:32,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:32,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:08:32,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:32,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:08:32,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:08:32,537 INFO L87 Difference]: Start difference. First operand 6274 states and 9526 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) [2022-11-03 02:08:35,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:37,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:38,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:39,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:39,853 INFO L93 Difference]: Finished difference Result 6274 states and 9526 transitions. [2022-11-03 02:08:39,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:08:39,853 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 [2022-11-03 02:08:39,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:39,877 INFO L225 Difference]: With dead ends: 6274 [2022-11-03 02:08:39,878 INFO L226 Difference]: Without dead ends: 6272 [2022-11-03 02:08:39,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:08:39,882 INFO L413 NwaCegarLoop]: 8183 mSDtfsCounter, 8466 mSDsluCounter, 8644 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8471 SdHoareTripleChecker+Valid, 16443 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:39,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8471 Valid, 16443 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 769 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2022-11-03 02:08:39,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6272 states. [2022-11-03 02:08:40,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6272 to 6272. [2022-11-03 02:08:40,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6272 states, 3329 states have (on average 1.2802643436467407) internal successors, (4262), 3771 states have internal predecessors, (4262), 2632 states have call successors, (2632), 298 states have call predecessors, (2632), 297 states have return successors, (2630), 2332 states have call predecessors, (2630), 2630 states have call successors, (2630) [2022-11-03 02:08:40,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6272 states to 6272 states and 9524 transitions. [2022-11-03 02:08:40,550 INFO L78 Accepts]: Start accepts. Automaton has 6272 states and 9524 transitions. Word has length 99 [2022-11-03 02:08:40,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:40,550 INFO L495 AbstractCegarLoop]: Abstraction has 6272 states and 9524 transitions. [2022-11-03 02:08:40,550 INFO L496 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) [2022-11-03 02:08:40,550 INFO L276 IsEmpty]: Start isEmpty. Operand 6272 states and 9524 transitions. [2022-11-03 02:08:40,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-03 02:08:40,552 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:40,552 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:08:40,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 02:08:40,553 INFO L420 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)] === [2022-11-03 02:08:40,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:40,553 INFO L85 PathProgramCache]: Analyzing trace with hash 688770990, now seen corresponding path program 1 times [2022-11-03 02:08:40,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:40,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447133098] [2022-11-03 02:08:40,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:40,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:41,067 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:08:41,068 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:41,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447133098] [2022-11-03 02:08:41,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447133098] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:41,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:08:41,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:08:41,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349904567] [2022-11-03 02:08:41,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:41,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:08:41,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:41,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:08:41,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:08:41,070 INFO L87 Difference]: Start difference. First operand 6272 states and 9524 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) [2022-11-03 02:08:44,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:46,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:48,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:48,403 INFO L93 Difference]: Finished difference Result 6277 states and 9527 transitions. [2022-11-03 02:08:48,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:08:48,403 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 [2022-11-03 02:08:48,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:48,422 INFO L225 Difference]: With dead ends: 6277 [2022-11-03 02:08:48,422 INFO L226 Difference]: Without dead ends: 6275 [2022-11-03 02:08:48,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:08:48,426 INFO L413 NwaCegarLoop]: 8416 mSDtfsCounter, 8375 mSDsluCounter, 9764 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8386 SdHoareTripleChecker+Valid, 17745 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:48,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8386 Valid, 17745 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 819 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-03 02:08:48,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6275 states. [2022-11-03 02:08:49,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6275 to 6270. [2022-11-03 02:08:49,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6270 states, 3328 states have (on average 1.2800480769230769) internal successors, (4260), 3769 states have internal predecessors, (4260), 2632 states have call successors, (2632), 298 states have call predecessors, (2632), 297 states have return successors, (2630), 2332 states have call predecessors, (2630), 2630 states have call successors, (2630) [2022-11-03 02:08:49,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6270 states to 6270 states and 9522 transitions. [2022-11-03 02:08:49,053 INFO L78 Accepts]: Start accepts. Automaton has 6270 states and 9522 transitions. Word has length 104 [2022-11-03 02:08:49,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:49,054 INFO L495 AbstractCegarLoop]: Abstraction has 6270 states and 9522 transitions. [2022-11-03 02:08:49,054 INFO L496 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) [2022-11-03 02:08:49,054 INFO L276 IsEmpty]: Start isEmpty. Operand 6270 states and 9522 transitions. [2022-11-03 02:08:49,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-11-03 02:08:49,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:49,055 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:08:49,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 02:08:49,055 INFO L420 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)] === [2022-11-03 02:08:49,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:49,056 INFO L85 PathProgramCache]: Analyzing trace with hash 1741529762, now seen corresponding path program 1 times [2022-11-03 02:08:49,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:49,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794977893] [2022-11-03 02:08:49,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:49,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:49,560 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:08:49,560 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:49,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794977893] [2022-11-03 02:08:49,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1794977893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:49,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:08:49,561 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:08:49,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793285367] [2022-11-03 02:08:49,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:49,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:08:49,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:49,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:08:49,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:08:49,562 INFO L87 Difference]: Start difference. First operand 6270 states and 9522 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) [2022-11-03 02:08:52,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:54,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:56,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:58,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:58,139 INFO L93 Difference]: Finished difference Result 6270 states and 9522 transitions. [2022-11-03 02:08:58,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:08:58,140 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 [2022-11-03 02:08:58,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:58,160 INFO L225 Difference]: With dead ends: 6270 [2022-11-03 02:08:58,160 INFO L226 Difference]: Without dead ends: 6268 [2022-11-03 02:08:58,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:08:58,164 INFO L413 NwaCegarLoop]: 8179 mSDtfsCounter, 8460 mSDsluCounter, 8640 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8465 SdHoareTripleChecker+Valid, 16435 SdHoareTripleChecker+Invalid, 770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:58,165 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8465 Valid, 16435 Invalid, 770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-11-03 02:08:58,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6268 states. [2022-11-03 02:08:58,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6268 to 6268. [2022-11-03 02:08:58,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6268 states, 3327 states have (on average 1.2798316801923655) internal successors, (4258), 3767 states have internal predecessors, (4258), 2632 states have call successors, (2632), 298 states have call predecessors, (2632), 297 states have return successors, (2630), 2332 states have call predecessors, (2630), 2630 states have call successors, (2630) [2022-11-03 02:08:58,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6268 states to 6268 states and 9520 transitions. [2022-11-03 02:08:58,891 INFO L78 Accepts]: Start accepts. Automaton has 6268 states and 9520 transitions. Word has length 109 [2022-11-03 02:08:58,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:58,891 INFO L495 AbstractCegarLoop]: Abstraction has 6268 states and 9520 transitions. [2022-11-03 02:08:58,891 INFO L496 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) [2022-11-03 02:08:58,891 INFO L276 IsEmpty]: Start isEmpty. Operand 6268 states and 9520 transitions. [2022-11-03 02:08:58,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-11-03 02:08:58,894 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:58,894 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:08:58,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 02:08:58,894 INFO L420 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)] === [2022-11-03 02:08:58,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:58,895 INFO L85 PathProgramCache]: Analyzing trace with hash -10442613, now seen corresponding path program 1 times [2022-11-03 02:08:58,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:58,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121560225] [2022-11-03 02:08:58,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:58,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:59,871 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-11-03 02:08:59,871 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:59,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121560225] [2022-11-03 02:08:59,872 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121560225] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:59,872 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:08:59,872 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:08:59,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707714294] [2022-11-03 02:08:59,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:59,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:08:59,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:59,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:08:59,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:08:59,875 INFO L87 Difference]: Start difference. First operand 6268 states and 9520 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) [2022-11-03 02:09:03,060 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:05,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:06,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:08,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:11,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:13,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:09:13,106 INFO L93 Difference]: Finished difference Result 7506 states and 11328 transitions. [2022-11-03 02:09:13,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:09:13,107 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 [2022-11-03 02:09:13,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:09:13,143 INFO L225 Difference]: With dead ends: 7506 [2022-11-03 02:09:13,144 INFO L226 Difference]: Without dead ends: 7504 [2022-11-03 02:09:13,147 INFO L412 NwaCegarLoop]: 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 [2022-11-03 02:09:13,147 INFO L413 NwaCegarLoop]: 8541 mSDtfsCounter, 8077 mSDsluCounter, 19291 mSDsCounter, 0 mSdLazyCounter, 1291 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8082 SdHoareTripleChecker+Valid, 26951 SdHoareTripleChecker+Invalid, 1296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1291 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:09:13,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8082 Valid, 26951 Invalid, 1296 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1291 Invalid, 2 Unknown, 0 Unchecked, 12.0s Time] [2022-11-03 02:09:13,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7504 states. [2022-11-03 02:09:14,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7504 to 7494. [2022-11-03 02:09:14,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7494 states, 3984 states have (on average 1.2781124497991967) internal successors, (5092), 4512 states have internal predecessors, (5092), 3063 states have call successors, (3063), 449 states have call predecessors, (3063), 435 states have return successors, (3161), 2674 states have call predecessors, (3161), 3061 states have call successors, (3161) [2022-11-03 02:09:14,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7494 states to 7494 states and 11316 transitions. [2022-11-03 02:09:14,458 INFO L78 Accepts]: Start accepts. Automaton has 7494 states and 11316 transitions. Word has length 143 [2022-11-03 02:09:14,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:09:14,459 INFO L495 AbstractCegarLoop]: Abstraction has 7494 states and 11316 transitions. [2022-11-03 02:09:14,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (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) [2022-11-03 02:09:14,460 INFO L276 IsEmpty]: Start isEmpty. Operand 7494 states and 11316 transitions. [2022-11-03 02:09:14,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-11-03 02:09:14,462 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:09:14,462 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:09:14,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 02:09:14,463 INFO L420 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)] === [2022-11-03 02:09:14,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:09:14,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1393586780, now seen corresponding path program 1 times [2022-11-03 02:09:14,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:09:14,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284572797] [2022-11-03 02:09:14,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:09:14,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:09:14,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:09:15,057 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:09:15,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:09:15,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284572797] [2022-11-03 02:09:15,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284572797] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:09:15,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:09:15,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:09:15,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165628618] [2022-11-03 02:09:15,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:09:15,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:09:15,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:09:15,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:09:15,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:09:15,061 INFO L87 Difference]: Start difference. First operand 7494 states and 11316 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) [2022-11-03 02:09:18,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:20,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:22,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:09:22,755 INFO L93 Difference]: Finished difference Result 7500 states and 11320 transitions. [2022-11-03 02:09:22,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:09:22,756 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 [2022-11-03 02:09:22,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:09:22,788 INFO L225 Difference]: With dead ends: 7500 [2022-11-03 02:09:22,788 INFO L226 Difference]: Without dead ends: 7498 [2022-11-03 02:09:22,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:09:22,795 INFO L413 NwaCegarLoop]: 8412 mSDtfsCounter, 8369 mSDsluCounter, 9760 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8380 SdHoareTripleChecker+Valid, 17737 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:09:22,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8380 Valid, 17737 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 819 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-03 02:09:22,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7498 states. [2022-11-03 02:09:23,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7498 to 7492. [2022-11-03 02:09:23,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7492 states, 3983 states have (on average 1.2779312076324378) internal successors, (5090), 4510 states have internal predecessors, (5090), 3063 states have call successors, (3063), 449 states have call predecessors, (3063), 435 states have return successors, (3161), 2674 states have call predecessors, (3161), 3061 states have call successors, (3161) [2022-11-03 02:09:23,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7492 states to 7492 states and 11314 transitions. [2022-11-03 02:09:23,924 INFO L78 Accepts]: Start accepts. Automaton has 7492 states and 11314 transitions. Word has length 114 [2022-11-03 02:09:23,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:09:23,925 INFO L495 AbstractCegarLoop]: Abstraction has 7492 states and 11314 transitions. [2022-11-03 02:09:23,925 INFO L496 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) [2022-11-03 02:09:23,925 INFO L276 IsEmpty]: Start isEmpty. Operand 7492 states and 11314 transitions. [2022-11-03 02:09:23,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-03 02:09:23,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:09:23,927 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:09:23,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 02:09:23,928 INFO L420 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)] === [2022-11-03 02:09:23,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:09:23,928 INFO L85 PathProgramCache]: Analyzing trace with hash -58802643, now seen corresponding path program 1 times [2022-11-03 02:09:23,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:09:23,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993496707] [2022-11-03 02:09:23,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:09:23,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:09:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:09:24,625 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:09:24,625 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:09:24,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993496707] [2022-11-03 02:09:24,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993496707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:09:24,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:09:24,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:09:24,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297396797] [2022-11-03 02:09:24,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:09:24,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:09:24,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:09:24,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:09:24,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:09:24,629 INFO L87 Difference]: Start difference. First operand 7492 states and 11314 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) [2022-11-03 02:09:27,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:30,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:32,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:09:32,247 INFO L93 Difference]: Finished difference Result 7498 states and 11318 transitions. [2022-11-03 02:09:32,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:09:32,248 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 [2022-11-03 02:09:32,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:09:32,278 INFO L225 Difference]: With dead ends: 7498 [2022-11-03 02:09:32,278 INFO L226 Difference]: Without dead ends: 7496 [2022-11-03 02:09:32,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:09:32,284 INFO L413 NwaCegarLoop]: 8408 mSDtfsCounter, 8366 mSDsluCounter, 9756 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8377 SdHoareTripleChecker+Valid, 17729 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:09:32,284 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8377 Valid, 17729 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 819 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-03 02:09:32,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7496 states. [2022-11-03 02:09:33,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7496 to 7490. [2022-11-03 02:09:33,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7490 states, 3982 states have (on average 1.2777498744349574) internal successors, (5088), 4508 states have internal predecessors, (5088), 3063 states have call successors, (3063), 449 states have call predecessors, (3063), 435 states have return successors, (3161), 2674 states have call predecessors, (3161), 3061 states have call successors, (3161) [2022-11-03 02:09:33,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7490 states to 7490 states and 11312 transitions. [2022-11-03 02:09:33,397 INFO L78 Accepts]: Start accepts. Automaton has 7490 states and 11312 transitions. Word has length 119 [2022-11-03 02:09:33,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:09:33,397 INFO L495 AbstractCegarLoop]: Abstraction has 7490 states and 11312 transitions. [2022-11-03 02:09:33,397 INFO L496 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) [2022-11-03 02:09:33,397 INFO L276 IsEmpty]: Start isEmpty. Operand 7490 states and 11312 transitions. [2022-11-03 02:09:33,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-03 02:09:33,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:09:33,400 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:09:33,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 02:09:33,400 INFO L420 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)] === [2022-11-03 02:09:33,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:09:33,400 INFO L85 PathProgramCache]: Analyzing trace with hash 764432855, now seen corresponding path program 1 times [2022-11-03 02:09:33,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:09:33,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009184073] [2022-11-03 02:09:33,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:09:33,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:09:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:09:33,898 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:09:33,899 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:09:33,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009184073] [2022-11-03 02:09:33,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009184073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:09:33,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:09:33,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:09:33,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417969895] [2022-11-03 02:09:33,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:09:33,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:09:33,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:09:33,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:09:33,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:09:33,901 INFO L87 Difference]: Start difference. First operand 7490 states and 11312 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) [2022-11-03 02:09:36,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:39,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:41,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:09:41,416 INFO L93 Difference]: Finished difference Result 7496 states and 11316 transitions. [2022-11-03 02:09:41,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:09:41,416 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 [2022-11-03 02:09:41,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:09:41,444 INFO L225 Difference]: With dead ends: 7496 [2022-11-03 02:09:41,444 INFO L226 Difference]: Without dead ends: 7494 [2022-11-03 02:09:41,447 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:09:41,448 INFO L413 NwaCegarLoop]: 8407 mSDtfsCounter, 8363 mSDsluCounter, 9755 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8374 SdHoareTripleChecker+Valid, 17727 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:09:41,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8374 Valid, 17727 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 819 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-11-03 02:09:41,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7494 states. [2022-11-03 02:09:42,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7494 to 7488. [2022-11-03 02:09:42,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7488 states, 3981 states have (on average 1.2775684501381563) internal successors, (5086), 4506 states have internal predecessors, (5086), 3063 states have call successors, (3063), 449 states have call predecessors, (3063), 435 states have return successors, (3161), 2674 states have call predecessors, (3161), 3061 states have call successors, (3161) [2022-11-03 02:09:42,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7488 states to 7488 states and 11310 transitions. [2022-11-03 02:09:42,539 INFO L78 Accepts]: Start accepts. Automaton has 7488 states and 11310 transitions. Word has length 124 [2022-11-03 02:09:42,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:09:42,540 INFO L495 AbstractCegarLoop]: Abstraction has 7488 states and 11310 transitions. [2022-11-03 02:09:42,540 INFO L496 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) [2022-11-03 02:09:42,540 INFO L276 IsEmpty]: Start isEmpty. Operand 7488 states and 11310 transitions. [2022-11-03 02:09:42,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-03 02:09:42,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:09:42,543 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:09:42,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 02:09:42,543 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 02:09:42,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:09:42,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1273203428, now seen corresponding path program 1 times [2022-11-03 02:09:42,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:09:42,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823016331] [2022-11-03 02:09:42,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:09:42,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:09:42,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:09:43,588 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-11-03 02:09:43,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:09:43,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823016331] [2022-11-03 02:09:43,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823016331] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:09:43,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:09:43,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:09:43,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387967441] [2022-11-03 02:09:43,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:09:43,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:09:43,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:09:43,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:09:43,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:09:43,591 INFO L87 Difference]: Start difference. First operand 7488 states and 11310 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) [2022-11-03 02:09:47,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:49,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:50,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:52,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:54,264 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:57,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:59,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:01,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:03,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:03,130 INFO L93 Difference]: Finished difference Result 7508 states and 11327 transitions. [2022-11-03 02:10:03,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 02:10:03,130 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 [2022-11-03 02:10:03,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:03,168 INFO L225 Difference]: With dead ends: 7508 [2022-11-03 02:10:03,168 INFO L226 Difference]: Without dead ends: 7506 [2022-11-03 02:10:03,176 INFO L412 NwaCegarLoop]: 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 [2022-11-03 02:10:03,176 INFO L413 NwaCegarLoop]: 8942 mSDtfsCounter, 1341 mSDsluCounter, 26904 mSDsCounter, 0 mSdLazyCounter, 1653 mSolverCounterSat, 2 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1344 SdHoareTripleChecker+Valid, 34630 SdHoareTripleChecker+Invalid, 1659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1653 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:03,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1344 Valid, 34630 Invalid, 1659 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1653 Invalid, 4 Unknown, 0 Unchecked, 18.3s Time] [2022-11-03 02:10:03,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7506 states. [2022-11-03 02:10:04,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7506 to 7496. [2022-11-03 02:10:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7496 states, 3987 states have (on average 1.2768999247554553) internal successors, (5091), 4512 states have internal predecessors, (5091), 3063 states have call successors, (3063), 451 states have call predecessors, (3063), 437 states have return successors, (3161), 2674 states have call predecessors, (3161), 3061 states have call successors, (3161) [2022-11-03 02:10:04,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7496 states to 7496 states and 11315 transitions. [2022-11-03 02:10:04,506 INFO L78 Accepts]: Start accepts. Automaton has 7496 states and 11315 transitions. Word has length 162 [2022-11-03 02:10:04,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:04,506 INFO L495 AbstractCegarLoop]: Abstraction has 7496 states and 11315 transitions. [2022-11-03 02:10:04,506 INFO L496 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) [2022-11-03 02:10:04,506 INFO L276 IsEmpty]: Start isEmpty. Operand 7496 states and 11315 transitions. [2022-11-03 02:10:04,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 02:10:04,509 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:04,509 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:10:04,509 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 02:10:04,509 INFO L420 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)] === [2022-11-03 02:10:04,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:04,510 INFO L85 PathProgramCache]: Analyzing trace with hash -646404385, now seen corresponding path program 1 times [2022-11-03 02:10:04,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:04,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011199279] [2022-11-03 02:10:04,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:04,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:10:05,049 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:05,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011199279] [2022-11-03 02:10:05,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011199279] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:05,049 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:05,050 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:10:05,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181200844] [2022-11-03 02:10:05,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:05,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:10:05,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:05,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:10:05,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:10:05,052 INFO L87 Difference]: Start difference. First operand 7496 states and 11315 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) [2022-11-03 02:10:08,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:10,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:12,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:12,748 INFO L93 Difference]: Finished difference Result 7502 states and 11319 transitions. [2022-11-03 02:10:12,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:10:12,749 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 [2022-11-03 02:10:12,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:12,783 INFO L225 Difference]: With dead ends: 7502 [2022-11-03 02:10:12,783 INFO L226 Difference]: Without dead ends: 7500 [2022-11-03 02:10:12,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:10:12,790 INFO L413 NwaCegarLoop]: 8405 mSDtfsCounter, 8360 mSDsluCounter, 9753 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8371 SdHoareTripleChecker+Valid, 17723 SdHoareTripleChecker+Invalid, 821 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:12,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8371 Valid, 17723 Invalid, 821 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 819 Invalid, 2 Unknown, 0 Unchecked, 6.5s Time] [2022-11-03 02:10:12,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7500 states. [2022-11-03 02:10:13,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7500 to 7494. [2022-11-03 02:10:13,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7494 states, 3986 states have (on average 1.2767185148018063) internal successors, (5089), 4510 states have internal predecessors, (5089), 3063 states have call successors, (3063), 451 states have call predecessors, (3063), 437 states have return successors, (3161), 2674 states have call predecessors, (3161), 3061 states have call successors, (3161) [2022-11-03 02:10:14,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7494 states to 7494 states and 11313 transitions. [2022-11-03 02:10:14,030 INFO L78 Accepts]: Start accepts. Automaton has 7494 states and 11313 transitions. Word has length 129 [2022-11-03 02:10:14,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:14,030 INFO L495 AbstractCegarLoop]: Abstraction has 7494 states and 11313 transitions. [2022-11-03 02:10:14,030 INFO L496 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) [2022-11-03 02:10:14,030 INFO L276 IsEmpty]: Start isEmpty. Operand 7494 states and 11313 transitions. [2022-11-03 02:10:14,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-03 02:10:14,033 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:14,034 INFO L195 NwaCegarLoop]: 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, 1, 1, 1, 1] [2022-11-03 02:10:14,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-03 02:10:14,034 INFO L420 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)] === [2022-11-03 02:10:14,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:14,035 INFO L85 PathProgramCache]: Analyzing trace with hash -555705720, now seen corresponding path program 1 times [2022-11-03 02:10:14,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:14,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856185257] [2022-11-03 02:10:14,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:14,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:14,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:15,374 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2022-11-03 02:10:15,375 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:15,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856185257] [2022-11-03 02:10:15,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856185257] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:15,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:15,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:10:15,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994085236] [2022-11-03 02:10:15,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:15,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:10:15,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:15,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:10:15,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:10:15,377 INFO L87 Difference]: Start difference. First operand 7494 states and 11313 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, (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) [2022-11-03 02:10:20,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:22,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:24,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:26,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:26,136 INFO L93 Difference]: Finished difference Result 7562 states and 11369 transitions. [2022-11-03 02:10:26,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:10:26,137 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, (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 164 [2022-11-03 02:10:26,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:26,173 INFO L225 Difference]: With dead ends: 7562 [2022-11-03 02:10:26,173 INFO L226 Difference]: Without dead ends: 7560 [2022-11-03 02:10:26,180 INFO L412 NwaCegarLoop]: 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 [2022-11-03 02:10:26,181 INFO L413 NwaCegarLoop]: 8183 mSDtfsCounter, 8466 mSDsluCounter, 17189 mSDsCounter, 0 mSdLazyCounter, 1175 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8468 SdHoareTripleChecker+Valid, 24593 SdHoareTripleChecker+Invalid, 1178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1175 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:26,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8468 Valid, 24593 Invalid, 1178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1175 Invalid, 1 Unknown, 0 Unchecked, 9.6s Time] [2022-11-03 02:10:26,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7560 states. [2022-11-03 02:10:27,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7560 to 7558. [2022-11-03 02:10:27,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7558 states, 4027 states have (on average 1.2756394338217034) internal successors, (5137), 4551 states have internal predecessors, (5137), 3064 states have call successors, (3064), 473 states have call predecessors, (3064), 459 states have return successors, (3162), 2675 states have call predecessors, (3162), 3062 states have call successors, (3162) [2022-11-03 02:10:27,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7558 states to 7558 states and 11363 transitions. [2022-11-03 02:10:27,430 INFO L78 Accepts]: Start accepts. Automaton has 7558 states and 11363 transitions. Word has length 164 [2022-11-03 02:10:27,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:27,431 INFO L495 AbstractCegarLoop]: Abstraction has 7558 states and 11363 transitions. [2022-11-03 02:10:27,431 INFO L496 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, (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) [2022-11-03 02:10:27,431 INFO L276 IsEmpty]: Start isEmpty. Operand 7558 states and 11363 transitions. [2022-11-03 02:10:27,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-03 02:10:27,434 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:27,435 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:10:27,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-03 02:10:27,435 INFO L420 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)] === [2022-11-03 02:10:27,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:27,435 INFO L85 PathProgramCache]: Analyzing trace with hash 552349495, now seen corresponding path program 1 times [2022-11-03 02:10:27,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:27,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328389492] [2022-11-03 02:10:27,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:27,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:27,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:10:27,881 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:27,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328389492] [2022-11-03 02:10:27,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328389492] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:27,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:27,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:10:27,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350685862] [2022-11-03 02:10:27,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:27,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:10:27,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:27,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:10:27,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:10:27,884 INFO L87 Difference]: Start difference. First operand 7558 states and 11363 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) [2022-11-03 02:10:30,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:33,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:35,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:35,340 INFO L93 Difference]: Finished difference Result 7564 states and 11367 transitions. [2022-11-03 02:10:35,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:10:35,340 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 [2022-11-03 02:10:35,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:35,366 INFO L225 Difference]: With dead ends: 7564 [2022-11-03 02:10:35,366 INFO L226 Difference]: Without dead ends: 7562 [2022-11-03 02:10:35,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:10:35,371 INFO L413 NwaCegarLoop]: 8417 mSDtfsCounter, 8357 mSDsluCounter, 9766 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8368 SdHoareTripleChecker+Valid, 17747 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:35,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8368 Valid, 17747 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 821 Invalid, 2 Unknown, 0 Unchecked, 6.2s Time] [2022-11-03 02:10:35,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7562 states. [2022-11-03 02:10:36,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7562 to 7556. [2022-11-03 02:10:36,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7556 states, 4026 states have (on average 1.2754595131644313) internal successors, (5135), 4549 states have internal predecessors, (5135), 3064 states have call successors, (3064), 473 states have call predecessors, (3064), 459 states have return successors, (3162), 2675 states have call predecessors, (3162), 3062 states have call successors, (3162) [2022-11-03 02:10:36,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7556 states to 7556 states and 11361 transitions. [2022-11-03 02:10:36,547 INFO L78 Accepts]: Start accepts. Automaton has 7556 states and 11361 transitions. Word has length 134 [2022-11-03 02:10:36,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:36,547 INFO L495 AbstractCegarLoop]: Abstraction has 7556 states and 11361 transitions. [2022-11-03 02:10:36,547 INFO L496 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) [2022-11-03 02:10:36,548 INFO L276 IsEmpty]: Start isEmpty. Operand 7556 states and 11361 transitions. [2022-11-03 02:10:36,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-03 02:10:36,551 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:36,551 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:10:36,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-03 02:10:36,551 INFO L420 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)] === [2022-11-03 02:10:36,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:36,552 INFO L85 PathProgramCache]: Analyzing trace with hash -37572139, now seen corresponding path program 1 times [2022-11-03 02:10:36,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:36,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035259133] [2022-11-03 02:10:36,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:36,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:37,006 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:10:37,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:37,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035259133] [2022-11-03 02:10:37,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035259133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:37,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:37,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:10:37,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441276807] [2022-11-03 02:10:37,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:37,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:10:37,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:37,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:10:37,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:10:37,007 INFO L87 Difference]: Start difference. First operand 7556 states and 11361 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) [2022-11-03 02:10:41,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:43,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:45,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:10:47,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:47,589 INFO L93 Difference]: Finished difference Result 7562 states and 11365 transitions. [2022-11-03 02:10:47,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:10:47,589 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 [2022-11-03 02:10:47,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:47,617 INFO L225 Difference]: With dead ends: 7562 [2022-11-03 02:10:47,617 INFO L226 Difference]: Without dead ends: 7560 [2022-11-03 02:10:47,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:10:47,621 INFO L413 NwaCegarLoop]: 8439 mSDtfsCounter, 8424 mSDsluCounter, 9790 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8432 SdHoareTripleChecker+Valid, 17791 SdHoareTripleChecker+Invalid, 825 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:47,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8432 Valid, 17791 Invalid, 825 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 3 Unknown, 0 Unchecked, 9.3s Time] [2022-11-03 02:10:47,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7560 states. [2022-11-03 02:10:48,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7560 to 7554. [2022-11-03 02:10:48,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7554 states, 4025 states have (on average 1.2752795031055901) internal successors, (5133), 4547 states have internal predecessors, (5133), 3064 states have call successors, (3064), 473 states have call predecessors, (3064), 459 states have return successors, (3162), 2675 states have call predecessors, (3162), 3062 states have call successors, (3162) [2022-11-03 02:10:48,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7554 states to 7554 states and 11359 transitions. [2022-11-03 02:10:48,771 INFO L78 Accepts]: Start accepts. Automaton has 7554 states and 11359 transitions. Word has length 139 [2022-11-03 02:10:48,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:48,771 INFO L495 AbstractCegarLoop]: Abstraction has 7554 states and 11359 transitions. [2022-11-03 02:10:48,771 INFO L496 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) [2022-11-03 02:10:48,771 INFO L276 IsEmpty]: Start isEmpty. Operand 7554 states and 11359 transitions. [2022-11-03 02:10:48,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-11-03 02:10:48,774 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:48,775 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:10:48,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-03 02:10:48,775 INFO L420 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)] === [2022-11-03 02:10:48,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:48,775 INFO L85 PathProgramCache]: Analyzing trace with hash -126387051, now seen corresponding path program 1 times [2022-11-03 02:10:48,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:48,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983518678] [2022-11-03 02:10:48,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:48,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:48,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:49,174 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 02:10:49,175 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:49,175 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983518678] [2022-11-03 02:10:49,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983518678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:49,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:49,175 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:10:49,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901315838] [2022-11-03 02:10:49,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:49,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:10:49,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:49,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:10:49,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:10:49,178 INFO L87 Difference]: Start difference. First operand 7554 states and 11359 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) [2022-11-03 02:10:52,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:54,891 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:10:57,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:10:57,276 INFO L93 Difference]: Finished difference Result 7560 states and 11363 transitions. [2022-11-03 02:10:57,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:10:57,276 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 [2022-11-03 02:10:57,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:10:57,306 INFO L225 Difference]: With dead ends: 7560 [2022-11-03 02:10:57,306 INFO L226 Difference]: Without dead ends: 7394 [2022-11-03 02:10:57,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:10:57,315 INFO L413 NwaCegarLoop]: 8414 mSDtfsCounter, 8351 mSDsluCounter, 9764 mSDsCounter, 0 mSdLazyCounter, 821 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8360 SdHoareTripleChecker+Valid, 17741 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 821 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:10:57,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8360 Valid, 17741 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 821 Invalid, 2 Unknown, 0 Unchecked, 6.8s Time] [2022-11-03 02:10:57,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7394 states. [2022-11-03 02:10:58,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7394 to 7388. [2022-11-03 02:10:58,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7388 states, 3941 states have (on average 1.2793707180918548) internal successors, (5042), 4457 states have internal predecessors, (5042), 3002 states have call successors, (3002), 453 states have call predecessors, (3002), 440 states have return successors, (3102), 2615 states have call predecessors, (3102), 3002 states have call successors, (3102) [2022-11-03 02:10:58,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7388 states to 7388 states and 11146 transitions. [2022-11-03 02:10:58,563 INFO L78 Accepts]: Start accepts. Automaton has 7388 states and 11146 transitions. Word has length 144 [2022-11-03 02:10:58,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:10:58,563 INFO L495 AbstractCegarLoop]: Abstraction has 7388 states and 11146 transitions. [2022-11-03 02:10:58,563 INFO L496 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) [2022-11-03 02:10:58,563 INFO L276 IsEmpty]: Start isEmpty. Operand 7388 states and 11146 transitions. [2022-11-03 02:10:58,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2022-11-03 02:10:58,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:10:58,565 INFO L195 NwaCegarLoop]: 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] [2022-11-03 02:10:58,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-03 02:10:58,565 INFO L420 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)] === [2022-11-03 02:10:58,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:10:58,566 INFO L85 PathProgramCache]: Analyzing trace with hash -1889347409, now seen corresponding path program 1 times [2022-11-03 02:10:58,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:10:58,566 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678017313] [2022-11-03 02:10:58,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:10:58,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:10:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:10:59,422 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-03 02:10:59,423 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:10:59,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678017313] [2022-11-03 02:10:59,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678017313] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:10:59,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:10:59,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:10:59,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836354185] [2022-11-03 02:10:59,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:10:59,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:10:59,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:10:59,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:10:59,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:10:59,425 INFO L87 Difference]: Start difference. First operand 7388 states and 11146 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) [2022-11-03 02:11:02,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:05,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:07,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:11:07,095 INFO L93 Difference]: Finished difference Result 14760 states and 22296 transitions. [2022-11-03 02:11:07,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:11:07,095 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 [2022-11-03 02:11:07,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:11:07,135 INFO L225 Difference]: With dead ends: 14760 [2022-11-03 02:11:07,135 INFO L226 Difference]: Without dead ends: 7392 [2022-11-03 02:11:07,183 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:11:07,184 INFO L413 NwaCegarLoop]: 7978 mSDtfsCounter, 5 mSDsluCounter, 16655 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 23926 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:11:07,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 23926 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1078 Invalid, 2 Unknown, 0 Unchecked, 6.3s Time] [2022-11-03 02:11:07,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7392 states. [2022-11-03 02:11:08,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7392 to 7390. [2022-11-03 02:11:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7390 states, 3943 states have (on average 1.279229013441542) internal successors, (5044), 4459 states have internal predecessors, (5044), 3002 states have call successors, (3002), 453 states have call predecessors, (3002), 440 states have return successors, (3102), 2615 states have call predecessors, (3102), 3002 states have call successors, (3102) [2022-11-03 02:11:08,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7390 states to 7390 states and 11148 transitions. [2022-11-03 02:11:08,759 INFO L78 Accepts]: Start accepts. Automaton has 7390 states and 11148 transitions. Word has length 183 [2022-11-03 02:11:08,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:11:08,759 INFO L495 AbstractCegarLoop]: Abstraction has 7390 states and 11148 transitions. [2022-11-03 02:11:08,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (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) [2022-11-03 02:11:08,760 INFO L276 IsEmpty]: Start isEmpty. Operand 7390 states and 11148 transitions. [2022-11-03 02:11:08,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-03 02:11:08,761 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:11:08,761 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:11:08,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-03 02:11:08,762 INFO L420 AbstractCegarLoop]: === Iteration 28 === 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)] === [2022-11-03 02:11:08,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:11:08,762 INFO L85 PathProgramCache]: Analyzing trace with hash -292601829, now seen corresponding path program 1 times [2022-11-03 02:11:08,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:11:08,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063136772] [2022-11-03 02:11:08,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:11:08,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:11:08,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:11:09,570 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2022-11-03 02:11:09,570 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:11:09,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063136772] [2022-11-03 02:11:09,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063136772] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:11:09,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:11:09,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:11:09,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901944221] [2022-11-03 02:11:09,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:11:09,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:11:09,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:11:09,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:11:09,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:11:09,572 INFO L87 Difference]: Start difference. First operand 7390 states and 11148 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-03 02:11:13,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:16,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:18,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:11:18,254 INFO L93 Difference]: Finished difference Result 7392 states and 11149 transitions. [2022-11-03 02:11:18,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:11:18,255 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 192 [2022-11-03 02:11:18,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:11:18,293 INFO L225 Difference]: With dead ends: 7392 [2022-11-03 02:11:18,293 INFO L226 Difference]: Without dead ends: 7390 [2022-11-03 02:11:18,301 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:11:18,302 INFO L413 NwaCegarLoop]: 7982 mSDtfsCounter, 53 mSDsluCounter, 24962 mSDsCounter, 0 mSdLazyCounter, 1434 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 31878 SdHoareTripleChecker+Invalid, 1437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1434 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:11:18,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 31878 Invalid, 1437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1434 Invalid, 2 Unknown, 0 Unchecked, 7.4s Time] [2022-11-03 02:11:18,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7390 states. [2022-11-03 02:11:19,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7390 to 7390. [2022-11-03 02:11:19,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7390 states, 3943 states have (on average 1.2782145574435708) internal successors, (5040), 4459 states have internal predecessors, (5040), 3002 states have call successors, (3002), 453 states have call predecessors, (3002), 440 states have return successors, (3102), 2615 states have call predecessors, (3102), 3002 states have call successors, (3102) [2022-11-03 02:11:19,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7390 states to 7390 states and 11144 transitions. [2022-11-03 02:11:19,453 INFO L78 Accepts]: Start accepts. Automaton has 7390 states and 11144 transitions. Word has length 192 [2022-11-03 02:11:19,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:11:19,453 INFO L495 AbstractCegarLoop]: Abstraction has 7390 states and 11144 transitions. [2022-11-03 02:11:19,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (39), 3 states have call predecessors, (39), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-03 02:11:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 7390 states and 11144 transitions. [2022-11-03 02:11:19,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-03 02:11:19,456 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:11:19,456 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:11:19,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-03 02:11:19,456 INFO L420 AbstractCegarLoop]: === Iteration 29 === 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)] === [2022-11-03 02:11:19,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:11:19,456 INFO L85 PathProgramCache]: Analyzing trace with hash -855175443, now seen corresponding path program 1 times [2022-11-03 02:11:19,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:11:19,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718173168] [2022-11-03 02:11:19,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:11:19,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:11:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:11:22,471 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 7 proven. 48 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2022-11-03 02:11:22,471 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:11:22,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718173168] [2022-11-03 02:11:22,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718173168] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:11:22,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561661782] [2022-11-03 02:11:22,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:11:22,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:11:22,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:11:22,478 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:11:22,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:11:25,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:11:25,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 4927 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-03 02:11:25,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:11:25,901 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2022-11-03 02:11:25,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:11:25,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561661782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:11:25,905 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:11:25,905 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 18 [2022-11-03 02:11:25,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336181958] [2022-11-03 02:11:25,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:11:25,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:11:25,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:11:25,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:11:25,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2022-11-03 02:11:25,908 INFO L87 Difference]: Start difference. First operand 7390 states and 11144 transitions. Second operand has 13 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 5 states have call successors, (36), 2 states have call predecessors, (36), 6 states have return successors, (32), 7 states have call predecessors, (32), 5 states have call successors, (32) [2022-11-03 02:11:32,949 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:36,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:45,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:11:45,958 INFO L93 Difference]: Finished difference Result 17903 states and 27427 transitions. [2022-11-03 02:11:45,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-03 02:11:45,959 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 5 states have call successors, (36), 2 states have call predecessors, (36), 6 states have return successors, (32), 7 states have call predecessors, (32), 5 states have call successors, (32) Word has length 206 [2022-11-03 02:11:45,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:11:45,992 INFO L225 Difference]: With dead ends: 17903 [2022-11-03 02:11:45,992 INFO L226 Difference]: Without dead ends: 10532 [2022-11-03 02:11:46,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2022-11-03 02:11:46,026 INFO L413 NwaCegarLoop]: 12717 mSDtfsCounter, 2213 mSDsluCounter, 140712 mSDsCounter, 0 mSdLazyCounter, 9752 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3687 SdHoareTripleChecker+Valid, 148428 SdHoareTripleChecker+Invalid, 9756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9752 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:11:46,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3687 Valid, 148428 Invalid, 9756 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 9752 Invalid, 2 Unknown, 0 Unchecked, 17.0s Time] [2022-11-03 02:11:46,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2022-11-03 02:11:47,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 7398. [2022-11-03 02:11:47,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7398 states, 3948 states have (on average 1.2778622087132725) internal successors, (5045), 4464 states have internal predecessors, (5045), 3004 states have call successors, (3004), 453 states have call predecessors, (3004), 441 states have return successors, (3106), 2618 states have call predecessors, (3106), 3004 states have call successors, (3106) [2022-11-03 02:11:47,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7398 states to 7398 states and 11155 transitions. [2022-11-03 02:11:47,971 INFO L78 Accepts]: Start accepts. Automaton has 7398 states and 11155 transitions. Word has length 206 [2022-11-03 02:11:47,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:11:47,971 INFO L495 AbstractCegarLoop]: Abstraction has 7398 states and 11155 transitions. [2022-11-03 02:11:47,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 5 states have call successors, (36), 2 states have call predecessors, (36), 6 states have return successors, (32), 7 states have call predecessors, (32), 5 states have call successors, (32) [2022-11-03 02:11:47,971 INFO L276 IsEmpty]: Start isEmpty. Operand 7398 states and 11155 transitions. [2022-11-03 02:11:47,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-11-03 02:11:47,973 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:11:47,974 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:11:48,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-03 02:11:48,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-11-03 02:11:48,175 INFO L420 AbstractCegarLoop]: === Iteration 30 === 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)] === [2022-11-03 02:11:48,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:11:48,175 INFO L85 PathProgramCache]: Analyzing trace with hash -843627856, now seen corresponding path program 1 times [2022-11-03 02:11:48,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:11:48,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392301876] [2022-11-03 02:11:48,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:11:48,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:11:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:11:49,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2022-11-03 02:11:49,424 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:11:49,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392301876] [2022-11-03 02:11:49,425 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392301876] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:11:49,425 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:11:49,425 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:11:49,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511709070] [2022-11-03 02:11:49,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:11:49,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:11:49,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:11:49,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:11:49,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:11:49,427 INFO L87 Difference]: Start difference. First operand 7398 states and 11155 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-03 02:11:52,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:54,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:11:59,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:11:59,952 INFO L93 Difference]: Finished difference Result 12911 states and 19670 transitions. [2022-11-03 02:11:59,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:11:59,953 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 237 [2022-11-03 02:11:59,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:12:00,000 INFO L225 Difference]: With dead ends: 12911 [2022-11-03 02:12:00,000 INFO L226 Difference]: Without dead ends: 12909 [2022-11-03 02:12:00,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:12:00,008 INFO L413 NwaCegarLoop]: 10196 mSDtfsCounter, 7736 mSDsluCounter, 29198 mSDsCounter, 0 mSdLazyCounter, 1465 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7747 SdHoareTripleChecker+Valid, 38320 SdHoareTripleChecker+Invalid, 1470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1465 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:12:00,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7747 Valid, 38320 Invalid, 1470 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1465 Invalid, 2 Unknown, 0 Unchecked, 7.8s Time] [2022-11-03 02:12:00,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12909 states. [2022-11-03 02:12:02,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12909 to 12900. [2022-11-03 02:12:02,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12900 states, 6870 states have (on average 1.2802037845705967) internal successors, (8795), 7803 states have internal predecessors, (8795), 5325 states have call successors, (5325), 721 states have call predecessors, (5325), 700 states have return successors, (5541), 4631 states have call predecessors, (5541), 5325 states have call successors, (5541) [2022-11-03 02:12:02,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12900 states to 12900 states and 19661 transitions. [2022-11-03 02:12:02,528 INFO L78 Accepts]: Start accepts. Automaton has 12900 states and 19661 transitions. Word has length 237 [2022-11-03 02:12:02,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:12:02,528 INFO L495 AbstractCegarLoop]: Abstraction has 12900 states and 19661 transitions. [2022-11-03 02:12:02,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-11-03 02:12:02,529 INFO L276 IsEmpty]: Start isEmpty. Operand 12900 states and 19661 transitions. [2022-11-03 02:12:02,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-11-03 02:12:02,535 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:12:02,535 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:12:02,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-03 02:12:02,535 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-03 02:12:02,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:12:02,536 INFO L85 PathProgramCache]: Analyzing trace with hash -94912742, now seen corresponding path program 1 times [2022-11-03 02:12:02,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:12:02,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145661129] [2022-11-03 02:12:02,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:12:02,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:12:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:12:04,266 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2022-11-03 02:12:04,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:12:04,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145661129] [2022-11-03 02:12:04,267 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145661129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:12:04,267 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:12:04,267 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-03 02:12:04,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342189217] [2022-11-03 02:12:04,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:12:04,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:12:04,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:12:04,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:12:04,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:12:04,268 INFO L87 Difference]: Start difference. First operand 12900 states and 19661 transitions. Second operand has 8 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-03 02:12:07,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:10,209 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:12,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:14,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:16,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:18,267 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:20,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:22,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:27,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:12:27,531 INFO L93 Difference]: Finished difference Result 25800 states and 39429 transitions. [2022-11-03 02:12:27,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-03 02:12:27,532 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) Word has length 261 [2022-11-03 02:12:27,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:12:27,606 INFO L225 Difference]: With dead ends: 25800 [2022-11-03 02:12:27,606 INFO L226 Difference]: Without dead ends: 12920 [2022-11-03 02:12:27,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:12:27,672 INFO L413 NwaCegarLoop]: 7978 mSDtfsCounter, 5 mSDsluCounter, 49965 mSDsCounter, 0 mSdLazyCounter, 2525 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 55821 SdHoareTripleChecker+Invalid, 2531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2525 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:12:27,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 55821 Invalid, 2531 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2525 Invalid, 6 Unknown, 0 Unchecked, 20.6s Time] [2022-11-03 02:12:27,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12920 states. [2022-11-03 02:12:30,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12920 to 12912. [2022-11-03 02:12:30,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12912 states, 6878 states have (on average 1.2798778714742658) internal successors, (8803), 7811 states have internal predecessors, (8803), 5325 states have call successors, (5325), 721 states have call predecessors, (5325), 704 states have return successors, (5551), 4635 states have call predecessors, (5551), 5325 states have call successors, (5551) [2022-11-03 02:12:30,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12912 states to 12912 states and 19679 transitions. [2022-11-03 02:12:30,394 INFO L78 Accepts]: Start accepts. Automaton has 12912 states and 19679 transitions. Word has length 261 [2022-11-03 02:12:30,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:12:30,394 INFO L495 AbstractCegarLoop]: Abstraction has 12912 states and 19679 transitions. [2022-11-03 02:12:30,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 2 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (43), 4 states have call predecessors, (43), 2 states have call successors, (43) [2022-11-03 02:12:30,395 INFO L276 IsEmpty]: Start isEmpty. Operand 12912 states and 19679 transitions. [2022-11-03 02:12:30,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-11-03 02:12:30,401 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:12:30,402 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:12:30,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-03 02:12:30,402 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_kernel_sched_completion_wait_for_completion_ready_of_wiimote_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)] === [2022-11-03 02:12:30,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:12:30,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1552529525, now seen corresponding path program 1 times [2022-11-03 02:12:30,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:12:30,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770887245] [2022-11-03 02:12:30,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:12:30,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:12:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:12:31,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2022-11-03 02:12:31,618 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:12:31,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770887245] [2022-11-03 02:12:31,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770887245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:12:31,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:12:31,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:12:31,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632535055] [2022-11-03 02:12:31,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:12:31,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:12:31,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:12:31,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:12:31,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:12:31,621 INFO L87 Difference]: Start difference. First operand 12912 states and 19679 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-03 02:12:34,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:37,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:41,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:12:41,963 INFO L93 Difference]: Finished difference Result 25821 states and 39466 transitions. [2022-11-03 02:12:41,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:12:41,964 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 292 [2022-11-03 02:12:41,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:12:42,036 INFO L225 Difference]: With dead ends: 25821 [2022-11-03 02:12:42,036 INFO L226 Difference]: Without dead ends: 12929 [2022-11-03 02:12:42,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-03 02:12:42,102 INFO L413 NwaCegarLoop]: 7986 mSDtfsCounter, 13 mSDsluCounter, 33322 mSDsCounter, 0 mSdLazyCounter, 1834 mSolverCounterSat, 18 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 39890 SdHoareTripleChecker+Invalid, 1854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1834 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:12:42,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 39890 Invalid, 1854 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 1834 Invalid, 2 Unknown, 0 Unchecked, 7.7s Time] [2022-11-03 02:12:42,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12929 states. [2022-11-03 02:12:45,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12929 to 12929. [2022-11-03 02:12:45,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12929 states, 6884 states have (on average 1.2796339337594422) internal successors, (8809), 7818 states have internal predecessors, (8809), 5334 states have call successors, (5334), 722 states have call predecessors, (5334), 706 states have return successors, (5562), 4644 states have call predecessors, (5562), 5334 states have call successors, (5562) [2022-11-03 02:12:45,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12929 states to 12929 states and 19705 transitions. [2022-11-03 02:12:45,198 INFO L78 Accepts]: Start accepts. Automaton has 12929 states and 19705 transitions. Word has length 292 [2022-11-03 02:12:45,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:12:45,199 INFO L495 AbstractCegarLoop]: Abstraction has 12929 states and 19705 transitions. [2022-11-03 02:12:45,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 5 states have internal predecessors, (70), 3 states have call successors, (46), 3 states have call predecessors, (46), 2 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-11-03 02:12:45,200 INFO L276 IsEmpty]: Start isEmpty. Operand 12929 states and 19705 transitions. [2022-11-03 02:12:45,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2022-11-03 02:12:45,212 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:12:45,212 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:12:45,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-03 02:12:45,213 INFO L420 AbstractCegarLoop]: === Iteration 33 === 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)] === [2022-11-03 02:12:45,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:12:45,213 INFO L85 PathProgramCache]: Analyzing trace with hash -207857243, now seen corresponding path program 1 times [2022-11-03 02:12:45,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:12:45,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988361833] [2022-11-03 02:12:45,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:12:45,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:12:45,396 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:12:45,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1371051294] [2022-11-03 02:12:45,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:12:45,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:12:45,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:12:45,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:12:45,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:12:48,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:12:48,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 5559 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-03 02:12:48,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:12:48,340 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-11-03 02:12:48,340 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:12:48,341 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:12:48,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988361833] [2022-11-03 02:12:48,341 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:12:48,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371051294] [2022-11-03 02:12:48,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371051294] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:12:48,341 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:12:48,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-03 02:12:48,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574773926] [2022-11-03 02:12:48,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:12:48,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-03 02:12:48,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:12:48,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-03 02:12:48,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:12:48,344 INFO L87 Difference]: Start difference. First operand 12929 states and 19705 transitions. Second operand has 14 states, 10 states have (on average 10.4) internal successors, (104), 11 states have internal predecessors, (104), 6 states have call successors, (54), 2 states have call predecessors, (54), 6 states have return successors, (50), 8 states have call predecessors, (50), 6 states have call successors, (50) [2022-11-03 02:12:53,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:12:58,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:11,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:11,809 INFO L93 Difference]: Finished difference Result 32051 states and 49613 transitions. [2022-11-03 02:13:11,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-03 02:13:11,810 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 10 states have (on average 10.4) internal successors, (104), 11 states have internal predecessors, (104), 6 states have call successors, (54), 2 states have call predecessors, (54), 6 states have return successors, (50), 8 states have call predecessors, (50), 6 states have call successors, (50) Word has length 278 [2022-11-03 02:13:11,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:11,884 INFO L225 Difference]: With dead ends: 32051 [2022-11-03 02:13:11,884 INFO L226 Difference]: Without dead ends: 19140 [2022-11-03 02:13:11,927 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-11-03 02:13:11,928 INFO L413 NwaCegarLoop]: 12711 mSDtfsCounter, 2222 mSDsluCounter, 153765 mSDsCounter, 0 mSdLazyCounter, 10535 mSolverCounterSat, 11 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3704 SdHoareTripleChecker+Valid, 161024 SdHoareTripleChecker+Invalid, 10548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 10535 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:11,928 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3704 Valid, 161024 Invalid, 10548 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11 Valid, 10535 Invalid, 2 Unknown, 0 Unchecked, 18.2s Time] [2022-11-03 02:13:11,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19140 states. [2022-11-03 02:13:15,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19140 to 12933. [2022-11-03 02:13:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12933 states, 6886 states have (on average 1.279552715654952) internal successors, (8811), 7822 states have internal predecessors, (8811), 5334 states have call successors, (5334), 722 states have call predecessors, (5334), 708 states have return successors, (5570), 4644 states have call predecessors, (5570), 5334 states have call successors, (5570) [2022-11-03 02:13:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12933 states to 12933 states and 19715 transitions. [2022-11-03 02:13:15,715 INFO L78 Accepts]: Start accepts. Automaton has 12933 states and 19715 transitions. Word has length 278 [2022-11-03 02:13:15,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:15,715 INFO L495 AbstractCegarLoop]: Abstraction has 12933 states and 19715 transitions. [2022-11-03 02:13:15,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 10 states have (on average 10.4) internal successors, (104), 11 states have internal predecessors, (104), 6 states have call successors, (54), 2 states have call predecessors, (54), 6 states have return successors, (50), 8 states have call predecessors, (50), 6 states have call successors, (50) [2022-11-03 02:13:15,716 INFO L276 IsEmpty]: Start isEmpty. Operand 12933 states and 19715 transitions. [2022-11-03 02:13:15,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-11-03 02:13:15,729 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:15,729 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:13:15,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:13:15,954 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-11-03 02:13:15,954 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_mutex__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)] === [2022-11-03 02:13:15,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:15,955 INFO L85 PathProgramCache]: Analyzing trace with hash 325358152, now seen corresponding path program 1 times [2022-11-03 02:13:15,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:15,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486116564] [2022-11-03 02:13:15,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:15,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:16,136 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:13:16,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [496095303] [2022-11-03 02:13:16,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:16,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:13:16,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:13:16,137 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:13:16,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:13:19,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:19,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 5707 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:13:19,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:13:19,107 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-11-03 02:13:19,107 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:13:19,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:19,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486116564] [2022-11-03 02:13:19,108 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:13:19,108 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [496095303] [2022-11-03 02:13:19,108 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [496095303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:19,108 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:19,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:13:19,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777547548] [2022-11-03 02:13:19,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:19,110 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:13:19,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:19,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:13:19,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:19,111 INFO L87 Difference]: Start difference. First operand 12933 states and 19715 transitions. Second operand has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-03 02:13:21,728 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:24,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:13:27,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:27,636 INFO L93 Difference]: Finished difference Result 25864 states and 39545 transitions. [2022-11-03 02:13:27,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:13:27,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 279 [2022-11-03 02:13:27,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:27,686 INFO L225 Difference]: With dead ends: 25864 [2022-11-03 02:13:27,686 INFO L226 Difference]: Without dead ends: 12951 [2022-11-03 02:13:27,735 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 277 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:27,735 INFO L413 NwaCegarLoop]: 7986 mSDtfsCounter, 5 mSDsluCounter, 8333 mSDsCounter, 0 mSdLazyCounter, 716 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 15965 SdHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 716 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:27,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 15965 Invalid, 718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 716 Invalid, 2 Unknown, 0 Unchecked, 5.8s Time] [2022-11-03 02:13:27,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12951 states. [2022-11-03 02:13:30,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12951 to 12951. [2022-11-03 02:13:30,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12951 states, 6896 states have (on average 1.279437354988399) internal successors, (8823), 7834 states have internal predecessors, (8823), 5340 states have call successors, (5340), 722 states have call predecessors, (5340), 710 states have return successors, (5580), 4650 states have call predecessors, (5580), 5340 states have call successors, (5580) [2022-11-03 02:13:30,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12951 states to 12951 states and 19743 transitions. [2022-11-03 02:13:30,850 INFO L78 Accepts]: Start accepts. Automaton has 12951 states and 19743 transitions. Word has length 279 [2022-11-03 02:13:30,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:30,850 INFO L495 AbstractCegarLoop]: Abstraction has 12951 states and 19743 transitions. [2022-11-03 02:13:30,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (52), 2 states have call predecessors, (52), 2 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2022-11-03 02:13:30,850 INFO L276 IsEmpty]: Start isEmpty. Operand 12951 states and 19743 transitions. [2022-11-03 02:13:30,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2022-11-03 02:13:30,861 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:30,862 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:13:30,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:13:31,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-11-03 02:13:31,063 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_mutex__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)] === [2022-11-03 02:13:31,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:31,063 INFO L85 PathProgramCache]: Analyzing trace with hash -649312518, now seen corresponding path program 1 times [2022-11-03 02:13:31,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:31,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870802208] [2022-11-03 02:13:31,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:31,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:31,257 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-03 02:13:31,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [205980397] [2022-11-03 02:13:31,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:31,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:13:31,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:13:31,259 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:13:31,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e97b5ef6-61d8-42fc-9ec6-ad59a0149817/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:13:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:34,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 5715 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:13:34,132 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:13:34,163 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 72 proven. 1 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2022-11-03 02:13:34,163 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:13:34,509 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2022-11-03 02:13:34,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:34,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870802208] [2022-11-03 02:13:34,510 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-03 02:13:34,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205980397] [2022-11-03 02:13:34,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205980397] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:13:34,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [157474791] [2022-11-03 02:13:34,543 INFO L159 IcfgInterpreter]: Started Sifa with 199 locations of interest [2022-11-03 02:13:34,543 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:13:34,547 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:13:34,552 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:13:34,552 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:13:49,854 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-03 02:13:51,068 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-03 02:13:53,719 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-03 02:13:54,477 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-03 02:13:56,710 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 16 [2022-11-03 02:18:25,981 WARN L234 SmtUtils]: Spent 6.01s on a formula simplification. DAG size of input: 5474 DAG size of output: 4905 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm) [2022-11-03 02:18:39,078 WARN L234 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 5474 DAG size of output: 4905 (called from [L 211] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.xJunctTerm)