./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/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_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash bbb4c890fadad0417fec53c1fd92092974d9fa843199f98b4f7f294d4c4112c7 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:39:26,818 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:39:26,821 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:39:26,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:39:26,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:39:26,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:39:26,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:39:26,859 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:39:26,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:39:26,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:39:26,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:39:26,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:39:26,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:39:26,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:39:26,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:39:26,871 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:39:26,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:39:26,874 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:39:26,876 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:39:26,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:39:26,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:39:26,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:39:26,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:39:26,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:39:26,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:39:26,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:39:26,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:39:26,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:39:26,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:39:26,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:39:26,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:39:26,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:39:26,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:39:26,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:39:26,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:39:26,901 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:39:26,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:39:26,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:39:26,903 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:39:26,904 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:39:26,905 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:39:26,906 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:39:26,955 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:39:26,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:39:26,956 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:39:26,957 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:39:26,963 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:39:26,964 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:39:26,964 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:39:26,964 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:39:26,965 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:39:26,965 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:39:26,965 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:39:26,965 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:39:26,966 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:39:26,966 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:39:26,966 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:39:26,966 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:39:26,967 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:39:26,967 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:39:26,968 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:39:26,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:39:26,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:39:26,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:39:26,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:39:26,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:39:26,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:39:26,969 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:39:26,970 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:39:26,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:39:26,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:39:26,970 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:39:26,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:39:26,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:39:26,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:39:26,971 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:39:26,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:39:26,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:39:26,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:39:26,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:39:26,973 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb4c890fadad0417fec53c1fd92092974d9fa843199f98b4f7f294d4c4112c7 [2021-11-25 18:39:27,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:39:27,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:39:27,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:39:27,296 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:39:27,297 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:39:27,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i [2021-11-25 18:39:27,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/data/46ad1e39f/ce35923d98f145a4898e2bb96b87288a/FLAG4c7f15d4f [2021-11-25 18:39:28,619 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:39:28,619 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i [2021-11-25 18:39:28,748 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/data/46ad1e39f/ce35923d98f145a4898e2bb96b87288a/FLAG4c7f15d4f [2021-11-25 18:39:28,793 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/data/46ad1e39f/ce35923d98f145a4898e2bb96b87288a [2021-11-25 18:39:28,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:39:28,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:39:28,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:39:28,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:39:28,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:39:28,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:39:28" (1/1) ... [2021-11-25 18:39:28,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376de526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:28, skipping insertion in model container [2021-11-25 18:39:28,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:39:28" (1/1) ... [2021-11-25 18:39:28,816 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:39:29,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:39:41,015 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914081,914094] [2021-11-25 18:39:41,018 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914226,914239] [2021-11-25 18:39:41,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914372,914385] [2021-11-25 18:39:41,019 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914537,914550] [2021-11-25 18:39:41,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914695,914708] [2021-11-25 18:39:41,020 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914853,914866] [2021-11-25 18:39:41,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915011,915024] [2021-11-25 18:39:41,021 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915171,915184] [2021-11-25 18:39:41,022 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915330,915343] [2021-11-25 18:39:41,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915469,915482] [2021-11-25 18:39:41,023 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915611,915624] [2021-11-25 18:39:41,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915760,915773] [2021-11-25 18:39:41,024 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915899,915912] [2021-11-25 18:39:41,025 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916054,916067] [2021-11-25 18:39:41,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916214,916227] [2021-11-25 18:39:41,026 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916365,916378] [2021-11-25 18:39:41,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916516,916529] [2021-11-25 18:39:41,027 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916668,916681] [2021-11-25 18:39:41,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916817,916830] [2021-11-25 18:39:41,028 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916965,916978] [2021-11-25 18:39:41,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917122,917135] [2021-11-25 18:39:41,029 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917271,917284] [2021-11-25 18:39:41,030 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917427,917440] [2021-11-25 18:39:41,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917580,917593] [2021-11-25 18:39:41,031 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917726,917739] [2021-11-25 18:39:41,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917869,917882] [2021-11-25 18:39:41,032 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918021,918034] [2021-11-25 18:39:41,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918167,918180] [2021-11-25 18:39:41,033 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918312,918325] [2021-11-25 18:39:41,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918466,918479] [2021-11-25 18:39:41,034 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918617,918630] [2021-11-25 18:39:41,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918772,918785] [2021-11-25 18:39:41,035 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918924,918937] [2021-11-25 18:39:41,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919079,919092] [2021-11-25 18:39:41,036 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919243,919256] [2021-11-25 18:39:41,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919399,919412] [2021-11-25 18:39:41,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919563,919576] [2021-11-25 18:39:41,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919705,919718] [2021-11-25 18:39:41,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919863,919876] [2021-11-25 18:39:41,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920030,920043] [2021-11-25 18:39:41,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920189,920202] [2021-11-25 18:39:41,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920348,920361] [2021-11-25 18:39:41,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920497,920510] [2021-11-25 18:39:41,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920644,920657] [2021-11-25 18:39:41,041 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920783,920796] [2021-11-25 18:39:41,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920946,920959] [2021-11-25 18:39:41,042 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921112,921125] [2021-11-25 18:39:41,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921276,921289] [2021-11-25 18:39:41,043 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921441,921454] [2021-11-25 18:39:41,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921606,921619] [2021-11-25 18:39:41,044 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921772,921785] [2021-11-25 18:39:41,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921937,921950] [2021-11-25 18:39:41,045 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922104,922117] [2021-11-25 18:39:41,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922264,922277] [2021-11-25 18:39:41,046 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922426,922439] [2021-11-25 18:39:41,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922585,922598] [2021-11-25 18:39:41,047 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922731,922744] [2021-11-25 18:39:41,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922874,922887] [2021-11-25 18:39:41,048 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923018,923031] [2021-11-25 18:39:41,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923161,923174] [2021-11-25 18:39:41,049 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923305,923318] [2021-11-25 18:39:41,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923446,923459] [2021-11-25 18:39:41,050 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923584,923597] [2021-11-25 18:39:41,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923742,923755] [2021-11-25 18:39:41,051 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923901,923914] [2021-11-25 18:39:41,052 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924057,924070] [2021-11-25 18:39:41,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924206,924219] [2021-11-25 18:39:41,053 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924358,924371] [2021-11-25 18:39:41,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924509,924522] [2021-11-25 18:39:41,054 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924658,924671] [2021-11-25 18:39:41,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924810,924823] [2021-11-25 18:39:41,055 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924958,924971] [2021-11-25 18:39:41,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925111,925124] [2021-11-25 18:39:41,056 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925262,925275] [2021-11-25 18:39:41,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925412,925425] [2021-11-25 18:39:41,057 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925559,925572] [2021-11-25 18:39:41,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925710,925723] [2021-11-25 18:39:41,058 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925861,925874] [2021-11-25 18:39:41,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926009,926022] [2021-11-25 18:39:41,059 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926175,926188] [2021-11-25 18:39:41,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926344,926357] [2021-11-25 18:39:41,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926511,926524] [2021-11-25 18:39:41,062 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926679,926692] [2021-11-25 18:39:41,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926829,926842] [2021-11-25 18:39:41,063 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926976,926989] [2021-11-25 18:39:41,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927137,927150] [2021-11-25 18:39:41,064 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927307,927320] [2021-11-25 18:39:41,065 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927469,927482] [2021-11-25 18:39:41,094 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:39:41,146 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:39:42,308 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914081,914094] [2021-11-25 18:39:42,310 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914226,914239] [2021-11-25 18:39:42,314 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914372,914385] [2021-11-25 18:39:42,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914537,914550] [2021-11-25 18:39:42,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914695,914708] [2021-11-25 18:39:42,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[914853,914866] [2021-11-25 18:39:42,316 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915011,915024] [2021-11-25 18:39:42,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915171,915184] [2021-11-25 18:39:42,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915330,915343] [2021-11-25 18:39:42,317 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915469,915482] [2021-11-25 18:39:42,318 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915611,915624] [2021-11-25 18:39:42,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915760,915773] [2021-11-25 18:39:42,319 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[915899,915912] [2021-11-25 18:39:42,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916054,916067] [2021-11-25 18:39:42,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916214,916227] [2021-11-25 18:39:42,320 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916365,916378] [2021-11-25 18:39:42,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916516,916529] [2021-11-25 18:39:42,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916668,916681] [2021-11-25 18:39:42,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916817,916830] [2021-11-25 18:39:42,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[916965,916978] [2021-11-25 18:39:42,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917122,917135] [2021-11-25 18:39:42,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917271,917284] [2021-11-25 18:39:42,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917427,917440] [2021-11-25 18:39:42,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917580,917593] [2021-11-25 18:39:42,324 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917726,917739] [2021-11-25 18:39:42,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[917869,917882] [2021-11-25 18:39:42,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918021,918034] [2021-11-25 18:39:42,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918167,918180] [2021-11-25 18:39:42,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918312,918325] [2021-11-25 18:39:42,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918466,918479] [2021-11-25 18:39:42,327 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918617,918630] [2021-11-25 18:39:42,328 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918772,918785] [2021-11-25 18:39:42,329 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[918924,918937] [2021-11-25 18:39:42,329 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919079,919092] [2021-11-25 18:39:42,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919243,919256] [2021-11-25 18:39:42,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919399,919412] [2021-11-25 18:39:42,331 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919563,919576] [2021-11-25 18:39:42,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919705,919718] [2021-11-25 18:39:42,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[919863,919876] [2021-11-25 18:39:42,333 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920030,920043] [2021-11-25 18:39:42,334 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920189,920202] [2021-11-25 18:39:42,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920348,920361] [2021-11-25 18:39:42,335 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920497,920510] [2021-11-25 18:39:42,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920644,920657] [2021-11-25 18:39:42,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920783,920796] [2021-11-25 18:39:42,336 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[920946,920959] [2021-11-25 18:39:42,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921112,921125] [2021-11-25 18:39:42,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921276,921289] [2021-11-25 18:39:42,337 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921441,921454] [2021-11-25 18:39:42,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921606,921619] [2021-11-25 18:39:42,338 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921772,921785] [2021-11-25 18:39:42,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[921937,921950] [2021-11-25 18:39:42,339 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922104,922117] [2021-11-25 18:39:42,340 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922264,922277] [2021-11-25 18:39:42,341 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922426,922439] [2021-11-25 18:39:42,342 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922585,922598] [2021-11-25 18:39:42,345 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922731,922744] [2021-11-25 18:39:42,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[922874,922887] [2021-11-25 18:39:42,346 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923018,923031] [2021-11-25 18:39:42,347 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923161,923174] [2021-11-25 18:39:42,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923305,923318] [2021-11-25 18:39:42,348 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923446,923459] [2021-11-25 18:39:42,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923584,923597] [2021-11-25 18:39:42,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923742,923755] [2021-11-25 18:39:42,349 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[923901,923914] [2021-11-25 18:39:42,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924057,924070] [2021-11-25 18:39:42,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924206,924219] [2021-11-25 18:39:42,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924358,924371] [2021-11-25 18:39:42,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924509,924522] [2021-11-25 18:39:42,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924658,924671] [2021-11-25 18:39:42,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924810,924823] [2021-11-25 18:39:42,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[924958,924971] [2021-11-25 18:39:42,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925111,925124] [2021-11-25 18:39:42,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925262,925275] [2021-11-25 18:39:42,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925412,925425] [2021-11-25 18:39:42,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925559,925572] [2021-11-25 18:39:42,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925710,925723] [2021-11-25 18:39:42,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[925861,925874] [2021-11-25 18:39:42,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926009,926022] [2021-11-25 18:39:42,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926175,926188] [2021-11-25 18:39:42,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926344,926357] [2021-11-25 18:39:42,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926511,926524] [2021-11-25 18:39:42,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926679,926692] [2021-11-25 18:39:42,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926829,926842] [2021-11-25 18:39:42,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[926976,926989] [2021-11-25 18:39:42,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927137,927150] [2021-11-25 18:39:42,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927307,927320] [2021-11-25 18:39:42,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i[927469,927482] [2021-11-25 18:39:42,378 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:39:43,018 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:39:43,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:43 WrapperNode [2021-11-25 18:39:43,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:39:43,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:39:43,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:39:43,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:39:43,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:43" (1/1) ... [2021-11-25 18:39:43,223 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:43" (1/1) ... [2021-11-25 18:39:43,773 INFO L137 Inliner]: procedures = 1156, calls = 6188, calls flagged for inlining = 709, calls inlined = 626, statements flattened = 15176 [2021-11-25 18:39:43,774 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:39:43,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:39:43,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:39:43,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:39:43,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:43" (1/1) ... [2021-11-25 18:39:43,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:43" (1/1) ... [2021-11-25 18:39:43,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:43" (1/1) ... [2021-11-25 18:39:43,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:43" (1/1) ... [2021-11-25 18:39:44,362 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:43" (1/1) ... [2021-11-25 18:39:44,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:43" (1/1) ... [2021-11-25 18:39:44,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:43" (1/1) ... [2021-11-25 18:39:44,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:39:44,690 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:39:44,690 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:39:44,690 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:39:44,691 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:43" (1/1) ... [2021-11-25 18:39:44,699 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:39:44,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:39:44,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:39:44,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:39:44,883 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_poll_mp [2021-11-25 18:39:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_poll_mp [2021-11-25 18:39:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure __wiimote_schedule [2021-11-25 18:39:44,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __wiimote_schedule [2021-11-25 18:39:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-25 18:39:44,884 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KAE [2021-11-25 18:39:44,885 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KAE [2021-11-25 18:39:44,885 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KAI [2021-11-25 18:39:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KAI [2021-11-25 18:39:44,886 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_interruptible_timeout [2021-11-25 18:39:44,886 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_interruptible_timeout [2021-11-25 18:39:44,887 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_stop [2021-11-25 18:39:44,887 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_stop [2021-11-25 18:39:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_keys_in_keys [2021-11-25 18:39:44,888 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_keys_in_keys [2021-11-25 18:39:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_battery_remove [2021-11-25 18:39:44,888 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_battery_remove [2021-11-25 18:39:44,888 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_state [2021-11-25 18:39:44,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_state [2021-11-25 18:39:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_led_probe [2021-11-25 18:39:44,889 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_led_probe [2021-11-25 18:39:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 18:39:44,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 18:39:44,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 18:39:44,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 18:39:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 18:39:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_drm [2021-11-25 18:39:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_drm [2021-11-25 18:39:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KEE [2021-11-25 18:39:44,890 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KEE [2021-11-25 18:39:44,890 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_check [2021-11-25 18:39:44,891 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_check [2021-11-25 18:39:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_mp_remove [2021-11-25 18:39:44,891 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_mp_remove [2021-11-25 18:39:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure handler_return [2021-11-25 18:39:44,891 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_return [2021-11-25 18:39:44,891 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-25 18:39:44,892 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-25 18:39:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure handler_ir [2021-11-25 18:39:44,892 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_ir [2021-11-25 18:39:44,892 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_led_remove [2021-11-25 18:39:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_led_remove [2021-11-25 18:39:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 18:39:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 18:39:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_worker [2021-11-25 18:39:44,893 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_worker [2021-11-25 18:39:44,893 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_nunchuk_remove [2021-11-25 18:39:44,894 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_nunchuk_remove [2021-11-25 18:39:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_hid_remove [2021-11-25 18:39:44,894 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_hid_remove [2021-11-25 18:39:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2021-11-25 18:39:44,894 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2021-11-25 18:39:44,894 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_keep_rumble [2021-11-25 18:39:44,895 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_keep_rumble [2021-11-25 18:39:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_mp_unload [2021-11-25 18:39:44,895 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_mp_unload [2021-11-25 18:39:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 18:39:44,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 18:39:44,895 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2021-11-25 18:39:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2021-11-25 18:39:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_acquire_noint [2021-11-25 18:39:44,896 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_acquire_noint [2021-11-25 18:39:44,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 18:39:44,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 18:39:44,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:39:44,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 18:39:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 18:39:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_116 [2021-11-25 18:39:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_116 [2021-11-25 18:39:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 18:39:44,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 18:39:44,902 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_hid_probe [2021-11-25 18:39:44,903 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_hid_probe [2021-11-25 18:39:44,903 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_probe [2021-11-25 18:39:44,904 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_probe [2021-11-25 18:39:44,904 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_calib_store [2021-11-25 18:39:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_calib_store [2021-11-25 18:39:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_start [2021-11-25 18:39:44,920 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_start [2021-11-25 18:39:44,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 18:39:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 18:39:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:39:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_sync_of_wiimote_state [2021-11-25 18:39:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_sync_of_wiimote_state [2021-11-25 18:39:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 18:39:44,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 18:39:44,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:39:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_modules_load [2021-11-25 18:39:44,922 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_modules_load [2021-11-25 18:39:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:39:44,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:39:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:39:44,922 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_in_ext [2021-11-25 18:39:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_in_ext [2021-11-25 18:39:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2021-11-25 18:39:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2021-11-25 18:39:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure handler_data [2021-11-25 18:39:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_data [2021-11-25 18:39:44,923 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_write [2021-11-25 18:39:44,923 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_write [2021-11-25 18:39:44,924 INFO L130 BoogieDeclarations]: Found specification of procedure handler_ext [2021-11-25 18:39:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_ext [2021-11-25 18:39:44,924 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 18:39:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 18:39:44,924 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_no_mp_remove [2021-11-25 18:39:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_no_mp_remove [2021-11-25 18:39:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2021-11-25 18:39:44,925 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2021-11-25 18:39:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_no_mp_probe [2021-11-25 18:39:44,925 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_no_mp_probe [2021-11-25 18:39:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_accel_in_accel [2021-11-25 18:39:44,925 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_accel_in_accel [2021-11-25 18:39:44,925 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 18:39:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 18:39:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_battery_probe [2021-11-25 18:39:44,926 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_battery_probe [2021-11-25 18:39:44,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:39:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:39:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_wait___0 [2021-11-25 18:39:44,927 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_wait___0 [2021-11-25 18:39:44,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:39:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read_ext [2021-11-25 18:39:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read_ext [2021-11-25 18:39:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_ext_load [2021-11-25 18:39:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_ext_load [2021-11-25 18:39:44,928 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_builtin_mp_remove [2021-11-25 18:39:44,928 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_builtin_mp_remove [2021-11-25 18:39:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 18:39:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 18:39:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_rumble_remove [2021-11-25 18:39:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_rumble_remove [2021-11-25 18:39:44,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 18:39:44,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 18:39:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:39:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 18:39:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 18:39:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 18:39:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 18:39:44,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sync_of_wiimote_state [2021-11-25 18:39:44,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_sync_of_wiimote_state [2021-11-25 18:39:44,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:39:44,931 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KA [2021-11-25 18:39:44,931 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KA [2021-11-25 18:39:44,931 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KE [2021-11-25 18:39:44,931 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KE [2021-11-25 18:39:44,931 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_accel_remove [2021-11-25 18:39:44,932 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_accel_remove [2021-11-25 18:39:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_leds [2021-11-25 18:39:44,932 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_leds [2021-11-25 18:39:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_101 [2021-11-25 18:39:44,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_101 [2021-11-25 18:39:44,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_103 [2021-11-25 18:39:44,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_103 [2021-11-25 18:39:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2021-11-25 18:39:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2021-11-25 18:39:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-25 18:39:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2021-11-25 18:39:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 18:39:44,933 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 18:39:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_remove [2021-11-25 18:39:44,934 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_remove [2021-11-25 18:39:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 18:39:44,934 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 18:39:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 18:39:44,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 18:39:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2021-11-25 18:39:44,935 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2021-11-25 18:39:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_mp_in_mp [2021-11-25 18:39:44,935 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_mp_in_mp [2021-11-25 18:39:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 18:39:44,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 18:39:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 18:39:44,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 18:39:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_ir1 [2021-11-25 18:39:44,936 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_ir1 [2021-11-25 18:39:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_ir2 [2021-11-25 18:39:44,936 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_ir2 [2021-11-25 18:39:44,936 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 18:39:44,936 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 18:39:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure handler_keys [2021-11-25 18:39:44,937 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_keys [2021-11-25 18:39:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_hid_event [2021-11-25 18:39:44,937 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_hid_event [2021-11-25 18:39:44,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 18:39:44,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 18:39:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:39:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2021-11-25 18:39:44,938 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2021-11-25 18:39:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:39:44,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:39:44,938 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_rmem [2021-11-25 18:39:44,938 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_rmem [2021-11-25 18:39:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure handler_status [2021-11-25 18:39:44,939 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_status [2021-11-25 18:39:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2021-11-25 18:39:44,939 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2021-11-25 18:39:44,939 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_builtin_mp_probe [2021-11-25 18:39:44,943 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_builtin_mp_probe [2021-11-25 18:39:44,943 INFO L130 BoogieDeclarations]: Found specification of procedure wiidebug_drm_write [2021-11-25 18:39:44,943 INFO L138 BoogieDeclarations]: Found implementation of procedure wiidebug_drm_write [2021-11-25 18:39:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_ext_store [2021-11-25 18:39:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_ext_store [2021-11-25 18:39:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_classic_remove [2021-11-25 18:39:44,952 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_classic_remove [2021-11-25 18:39:44,952 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_accel [2021-11-25 18:39:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_accel [2021-11-25 18:39:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_rumble_probe [2021-11-25 18:39:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_rumble_probe [2021-11-25 18:39:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure handler_generic_K [2021-11-25 18:39:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_generic_K [2021-11-25 18:39:44,953 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_release___0 [2021-11-25 18:39:44,953 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_release___0 [2021-11-25 18:39:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_hotplug [2021-11-25 18:39:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_hotplug [2021-11-25 18:39:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 18:39:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 18:39:44,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:39:44,954 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:39:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:39:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:39:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_remove [2021-11-25 18:39:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_remove [2021-11-25 18:39:44,955 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_abort [2021-11-25 18:39:44,955 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_abort [2021-11-25 18:39:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_status [2021-11-25 18:39:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_status [2021-11-25 18:39:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure hid_get_drvdata [2021-11-25 18:39:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_get_drvdata [2021-11-25 18:39:44,956 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~VOID [2021-11-25 18:39:44,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~TO~VOID [2021-11-25 18:39:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 18:39:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 18:39:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 18:39:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 18:39:44,957 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 18:39:44,957 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 18:39:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_set [2021-11-25 18:39:44,958 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_set [2021-11-25 18:39:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-11-25 18:39:44,958 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-11-25 18:39:44,958 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_destroy [2021-11-25 18:39:44,958 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_destroy [2021-11-25 18:39:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 18:39:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 18:39:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_mp_probe [2021-11-25 18:39:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_mp_probe [2021-11-25 18:39:44,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:39:44,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:39:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 18:39:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 18:39:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_detect [2021-11-25 18:39:44,960 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_detect [2021-11-25 18:39:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:39:44,960 INFO L130 BoogieDeclarations]: Found specification of procedure wiiproto_req_rumble [2021-11-25 18:39:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure wiiproto_req_rumble [2021-11-25 18:39:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_keys_probe [2021-11-25 18:39:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_keys_probe [2021-11-25 18:39:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2021-11-25 18:39:44,961 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2021-11-25 18:39:44,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 18:39:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 18:39:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-25 18:39:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-25 18:39:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_change [2021-11-25 18:39:44,962 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_change [2021-11-25 18:39:44,962 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2021-11-25 18:39:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2021-11-25 18:39:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:39:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2021-11-25 18:39:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2021-11-25 18:39:44,963 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-25 18:39:44,963 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-25 18:39:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 18:39:44,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 18:39:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_remove [2021-11-25 18:39:44,964 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_remove [2021-11-25 18:39:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:39:44,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-25 18:39:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-25 18:39:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:39:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:39:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 18:39:44,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 18:39:44,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 18:39:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 18:39:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure handler_status_K [2021-11-25 18:39:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_status_K [2021-11-25 18:39:44,966 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_init_mp [2021-11-25 18:39:44,966 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_init_mp [2021-11-25 18:39:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_sync_of_wiimote_state [2021-11-25 18:39:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_interruptible_or_killable_sync_of_wiimote_state [2021-11-25 18:39:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2021-11-25 18:39:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2021-11-25 18:39:44,967 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:39:44,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:39:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_nunchuk_in_ext [2021-11-25 18:39:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_nunchuk_in_ext [2021-11-25 18:39:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:39:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:39:44,968 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_complete [2021-11-25 18:39:44,968 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_complete [2021-11-25 18:39:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 18:39:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 18:39:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure valid_ext_handler [2021-11-25 18:39:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_ext_handler [2021-11-25 18:39:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 18:39:44,969 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 18:39:44,969 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_SKAI1 [2021-11-25 18:39:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_SKAI1 [2021-11-25 18:39:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_SKAI2 [2021-11-25 18:39:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_SKAI2 [2021-11-25 18:39:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2021-11-25 18:39:44,970 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2021-11-25 18:39:44,970 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KAIE [2021-11-25 18:39:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KAIE [2021-11-25 18:39:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_ext_unload [2021-11-25 18:39:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_ext_unload [2021-11-25 18:39:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_probe [2021-11-25 18:39:44,971 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_probe [2021-11-25 18:39:44,971 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_E [2021-11-25 18:39:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_E [2021-11-25 18:39:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:39:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:39:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:39:44,972 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 18:39:44,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 18:39:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-25 18:39:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-25 18:39:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure hid_hw_close [2021-11-25 18:39:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure hid_hw_close [2021-11-25 18:39:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_acquire [2021-11-25 18:39:44,973 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_acquire [2021-11-25 18:39:44,973 INFO L130 BoogieDeclarations]: Found specification of procedure device_create_file [2021-11-25 18:39:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create_file [2021-11-25 18:39:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure wiidebug_drm_open [2021-11-25 18:39:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure wiidebug_drm_open [2021-11-25 18:39:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_wiimote_state [2021-11-25 18:39:44,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_wiimote_state [2021-11-25 18:39:44,974 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_queue [2021-11-25 18:39:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_queue [2021-11-25 18:39:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_pro_probe [2021-11-25 18:39:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_pro_probe [2021-11-25 18:39:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~bool~0~X~int~TO~VOID [2021-11-25 18:39:44,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~bool~0~X~int~TO~VOID [2021-11-25 18:39:44,975 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2021-11-25 18:39:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2021-11-25 18:39:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_init_set_type [2021-11-25 18:39:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_init_set_type [2021-11-25 18:39:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_schedule [2021-11-25 18:39:44,976 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_schedule [2021-11-25 18:39:44,976 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-11-25 18:39:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-11-25 18:39:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:39:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2021-11-25 18:39:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2021-11-25 18:39:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_classic_in_ext [2021-11-25 18:39:44,977 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_classic_in_ext [2021-11-25 18:39:44,977 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 18:39:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 18:39:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_pending [2021-11-25 18:39:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_pending [2021-11-25 18:39:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 18:39:44,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 18:39:44,978 INFO L130 BoogieDeclarations]: Found specification of procedure handler_accel [2021-11-25 18:39:44,979 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_accel [2021-11-25 18:39:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure handler_drm_KIE [2021-11-25 18:39:44,979 INFO L138 BoogieDeclarations]: Found implementation of procedure handler_drm_KIE [2021-11-25 18:39:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read_mp_mapped [2021-11-25 18:39:44,979 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read_mp_mapped [2021-11-25 18:39:44,979 INFO L130 BoogieDeclarations]: Found specification of procedure wiidebug_eeprom_read [2021-11-25 18:39:44,980 INFO L138 BoogieDeclarations]: Found implementation of procedure wiidebug_eeprom_read [2021-11-25 18:39:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 18:39:44,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 18:39:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_classic_probe [2021-11-25 18:39:44,980 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_classic_probe [2021-11-25 18:39:44,980 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 18:39:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2021-11-25 18:39:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_init_ext [2021-11-25 18:39:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_init_ext [2021-11-25 18:39:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_release [2021-11-25 18:39:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_release [2021-11-25 18:39:44,981 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 18:39:44,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 18:39:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure strnlen [2021-11-25 18:39:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure strnlen [2021-11-25 18:39:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:39:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:39:44,982 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_mp_load [2021-11-25 18:39:44,982 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_mp_load [2021-11-25 18:39:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2021-11-25 18:39:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2021-11-25 18:39:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create_memless [2021-11-25 18:39:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create_memless [2021-11-25 18:39:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 18:39:44,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 18:39:44,983 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2021-11-25 18:39:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2021-11-25 18:39:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_nunchuk_probe [2021-11-25 18:39:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_nunchuk_probe [2021-11-25 18:39:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_wait_for_completion_ready_of_wiimote_state [2021-11-25 18:39:44,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_wait_for_completion_ready_of_wiimote_state [2021-11-25 18:39:44,984 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read_mp [2021-11-25 18:39:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read_mp [2021-11-25 18:39:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_ir_in_ir [2021-11-25 18:39:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_ir_in_ir [2021-11-25 18:39:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 18:39:44,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 18:39:44,985 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2021-11-25 18:39:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2021-11-25 18:39:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_in_keys [2021-11-25 18:39:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_in_keys [2021-11-25 18:39:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure wiimod_bboard_in_ext [2021-11-25 18:39:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimod_bboard_in_ext [2021-11-25 18:39:44,986 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 18:39:44,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 18:39:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2021-11-25 18:39:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2021-11-25 18:39:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 18:39:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 18:39:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_wait [2021-11-25 18:39:44,987 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_wait [2021-11-25 18:39:44,987 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:39:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:39:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure simple_open [2021-11-25 18:39:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_open [2021-11-25 18:39:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_queue [2021-11-25 18:39:44,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_wiimote_queue [2021-11-25 18:39:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:39:44,988 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 18:39:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 18:39:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure wiimote_cmd_read [2021-11-25 18:39:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure wiimote_cmd_read [2021-11-25 18:39:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-25 18:39:44,989 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-25 18:39:44,989 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_115 [2021-11-25 18:39:44,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_115 [2021-11-25 18:39:47,152 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:39:47,159 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:39:47,735 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:40:05,502 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:40:08,854 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:40:08,855 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-25 18:40:08,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:40:08 BoogieIcfgContainer [2021-11-25 18:40:08,864 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:40:08,866 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:40:08,866 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:40:08,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:40:08,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:39:28" (1/3) ... [2021-11-25 18:40:08,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d391e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:40:08, skipping insertion in model container [2021-11-25 18:40:08,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:39:43" (2/3) ... [2021-11-25 18:40:08,871 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d391e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:40:08, skipping insertion in model container [2021-11-25 18:40:08,871 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:40:08" (3/3) ... [2021-11-25 18:40:08,872 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--hid--hid-wiimote.ko.cil.i [2021-11-25 18:40:08,877 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:40:08,878 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2021-11-25 18:40:08,949 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:40:08,955 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 18:40:08,955 INFO L340 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2021-11-25 18:40:09,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 5646 states, 2985 states have (on average 1.3152428810720267) internal successors, (3926), 3445 states have internal predecessors, (3926), 2424 states have call successors, (2424), 209 states have call predecessors, (2424), 208 states have return successors, (2377), 2115 states have call predecessors, (2377), 2377 states have call successors, (2377) [2021-11-25 18:40:09,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2021-11-25 18:40:09,085 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:09,086 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:09,087 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:09,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:09,092 INFO L85 PathProgramCache]: Analyzing trace with hash 453767284, now seen corresponding path program 1 times [2021-11-25 18:40:09,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:09,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068913416] [2021-11-25 18:40:09,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:09,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:09,914 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:09,915 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:09,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068913416] [2021-11-25 18:40:09,916 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068913416] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:09,916 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:09,916 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:09,917 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75117459] [2021-11-25 18:40:09,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:09,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:09,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:09,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:09,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:09,966 INFO L87 Difference]: Start difference. First operand has 5646 states, 2985 states have (on average 1.3152428810720267) internal successors, (3926), 3445 states have internal predecessors, (3926), 2424 states have call successors, (2424), 209 states have call predecessors, (2424), 208 states have return successors, (2377), 2115 states have call predecessors, (2377), 2377 states have call successors, (2377) Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 18:40:12,653 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:40:14,666 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:40:15,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:15,898 INFO L93 Difference]: Finished difference Result 11266 states and 18064 transitions. [2021-11-25 18:40:15,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:15,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 47 [2021-11-25 18:40:15,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:15,972 INFO L225 Difference]: With dead ends: 11266 [2021-11-25 18:40:15,973 INFO L226 Difference]: Without dead ends: 5589 [2021-11-25 18:40:16,032 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:40:16,035 INFO L933 BasicCegarLoop]: 8309 mSDtfsCounter, 8676 mSDsluCounter, 8693 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8678 SdHoareTripleChecker+Valid, 16618 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:16,036 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8678 Valid, 16618 Invalid, 771 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 770 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2021-11-25 18:40:16,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5589 states. [2021-11-25 18:40:17,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5589 to 5589. [2021-11-25 18:40:17,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5589 states, 2978 states have (on average 1.2904633982538616) internal successors, (3843), 3391 states have internal predecessors, (3843), 2377 states have call successors, (2377), 208 states have call predecessors, (2377), 207 states have return successors, (2375), 2113 states have call predecessors, (2375), 2375 states have call successors, (2375) [2021-11-25 18:40:17,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5589 states to 5589 states and 8595 transitions. [2021-11-25 18:40:17,192 INFO L78 Accepts]: Start accepts. Automaton has 5589 states and 8595 transitions. Word has length 47 [2021-11-25 18:40:17,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:17,194 INFO L470 AbstractCegarLoop]: Abstraction has 5589 states and 8595 transitions. [2021-11-25 18:40:17,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2021-11-25 18:40:17,195 INFO L276 IsEmpty]: Start isEmpty. Operand 5589 states and 8595 transitions. [2021-11-25 18:40:17,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-11-25 18:40:17,198 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:17,198 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:17,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:40:17,199 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:17,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:17,200 INFO L85 PathProgramCache]: Analyzing trace with hash 444470025, now seen corresponding path program 1 times [2021-11-25 18:40:17,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:17,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305431079] [2021-11-25 18:40:17,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:17,201 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:17,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:17,582 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:17,582 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:17,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305431079] [2021-11-25 18:40:17,582 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305431079] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:17,583 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:17,583 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:17,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953092847] [2021-11-25 18:40:17,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:17,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:17,585 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:17,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:17,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:17,595 INFO L87 Difference]: Start difference. First operand 5589 states and 8595 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 18:40:21,224 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:40:22,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:22,721 INFO L93 Difference]: Finished difference Result 6233 states and 9483 transitions. [2021-11-25 18:40:22,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:22,723 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 52 [2021-11-25 18:40:22,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:22,797 INFO L225 Difference]: With dead ends: 6233 [2021-11-25 18:40:22,797 INFO L226 Difference]: Without dead ends: 6231 [2021-11-25 18:40:22,802 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:40:22,808 INFO L933 BasicCegarLoop]: 8467 mSDtfsCounter, 8484 mSDsluCounter, 9817 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8492 SdHoareTripleChecker+Valid, 17847 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:22,809 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8492 Valid, 17847 Invalid, 823 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2021-11-25 18:40:22,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6231 states. [2021-11-25 18:40:23,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6231 to 6226. [2021-11-25 18:40:23,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6226 states, 3307 states have (on average 1.2851527063804051) internal successors, (4250), 3761 states have internal predecessors, (4250), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2021-11-25 18:40:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6226 states to 6226 states and 9478 transitions. [2021-11-25 18:40:23,616 INFO L78 Accepts]: Start accepts. Automaton has 6226 states and 9478 transitions. Word has length 52 [2021-11-25 18:40:23,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:23,617 INFO L470 AbstractCegarLoop]: Abstraction has 6226 states and 9478 transitions. [2021-11-25 18:40:23,617 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 18:40:23,617 INFO L276 IsEmpty]: Start isEmpty. Operand 6226 states and 9478 transitions. [2021-11-25 18:40:23,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-11-25 18:40:23,627 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:23,627 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:23,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:40:23,628 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:23,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:23,629 INFO L85 PathProgramCache]: Analyzing trace with hash -915451269, now seen corresponding path program 1 times [2021-11-25 18:40:23,629 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:23,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747267155] [2021-11-25 18:40:23,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:23,630 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:24,144 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:24,144 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:24,144 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747267155] [2021-11-25 18:40:24,144 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747267155] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:24,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:24,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:24,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146704077] [2021-11-25 18:40:24,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:24,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:24,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:24,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:24,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:24,147 INFO L87 Difference]: Start difference. First operand 6226 states and 9478 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 18:40:27,233 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:40:28,951 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:40:30,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:30,019 INFO L93 Difference]: Finished difference Result 6226 states and 9478 transitions. [2021-11-25 18:40:30,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:30,020 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 57 [2021-11-25 18:40:30,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:30,087 INFO L225 Difference]: With dead ends: 6226 [2021-11-25 18:40:30,088 INFO L226 Difference]: Without dead ends: 6224 [2021-11-25 18:40:30,094 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:40:30,097 INFO L933 BasicCegarLoop]: 8205 mSDtfsCounter, 8569 mSDsluCounter, 8588 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8571 SdHoareTripleChecker+Valid, 16410 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:30,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8571 Valid, 16410 Invalid, 769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-11-25 18:40:30,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6224 states. [2021-11-25 18:40:30,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6224 to 6224. [2021-11-25 18:40:30,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6224 states, 3306 states have (on average 1.2849364791288567) internal successors, (4248), 3759 states have internal predecessors, (4248), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2021-11-25 18:40:31,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6224 states to 6224 states and 9476 transitions. [2021-11-25 18:40:31,019 INFO L78 Accepts]: Start accepts. Automaton has 6224 states and 9476 transitions. Word has length 57 [2021-11-25 18:40:31,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:31,022 INFO L470 AbstractCegarLoop]: Abstraction has 6224 states and 9476 transitions. [2021-11-25 18:40:31,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 18:40:31,023 INFO L276 IsEmpty]: Start isEmpty. Operand 6224 states and 9476 transitions. [2021-11-25 18:40:31,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-11-25 18:40:31,026 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:31,026 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:31,026 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:40:31,027 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:31,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:31,027 INFO L85 PathProgramCache]: Analyzing trace with hash 960706566, now seen corresponding path program 1 times [2021-11-25 18:40:31,027 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:31,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282622518] [2021-11-25 18:40:31,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:31,028 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:31,425 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:31,425 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:31,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282622518] [2021-11-25 18:40:31,426 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282622518] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:31,426 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:31,426 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:31,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147200281] [2021-11-25 18:40:31,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:31,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:31,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:31,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:31,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:31,428 INFO L87 Difference]: Start difference. First operand 6224 states and 9476 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 18:40:34,029 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:40:35,870 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:40:36,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:36,799 INFO L93 Difference]: Finished difference Result 6224 states and 9476 transitions. [2021-11-25 18:40:36,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:36,800 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 62 [2021-11-25 18:40:36,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:36,879 INFO L225 Difference]: With dead ends: 6224 [2021-11-25 18:40:36,879 INFO L226 Difference]: Without dead ends: 6222 [2021-11-25 18:40:36,886 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:40:36,890 INFO L933 BasicCegarLoop]: 8203 mSDtfsCounter, 8566 mSDsluCounter, 8586 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8568 SdHoareTripleChecker+Valid, 16406 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:36,891 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8568 Valid, 16406 Invalid, 769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-25 18:40:36,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6222 states. [2021-11-25 18:40:37,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6222 to 6222. [2021-11-25 18:40:37,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6222 states, 3305 states have (on average 1.2847201210287442) internal successors, (4246), 3757 states have internal predecessors, (4246), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2021-11-25 18:40:37,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6222 states to 6222 states and 9474 transitions. [2021-11-25 18:40:37,733 INFO L78 Accepts]: Start accepts. Automaton has 6222 states and 9474 transitions. Word has length 62 [2021-11-25 18:40:37,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:37,734 INFO L470 AbstractCegarLoop]: Abstraction has 6222 states and 9474 transitions. [2021-11-25 18:40:37,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 18:40:37,734 INFO L276 IsEmpty]: Start isEmpty. Operand 6222 states and 9474 transitions. [2021-11-25 18:40:37,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-25 18:40:37,737 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:37,737 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:37,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:40:37,738 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:37,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:37,739 INFO L85 PathProgramCache]: Analyzing trace with hash -2139016666, now seen corresponding path program 1 times [2021-11-25 18:40:37,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:37,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87239651] [2021-11-25 18:40:37,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:37,739 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:38,066 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:38,066 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:38,066 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87239651] [2021-11-25 18:40:38,067 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87239651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:38,067 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:38,067 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:38,067 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290151603] [2021-11-25 18:40:38,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:38,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:38,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:38,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:38,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:38,070 INFO L87 Difference]: Start difference. First operand 6222 states and 9474 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:40:41,365 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:40:42,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:42,610 INFO L93 Difference]: Finished difference Result 6227 states and 9477 transitions. [2021-11-25 18:40:42,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:42,610 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 67 [2021-11-25 18:40:42,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:42,651 INFO L225 Difference]: With dead ends: 6227 [2021-11-25 18:40:42,651 INFO L226 Difference]: Without dead ends: 6225 [2021-11-25 18:40:42,657 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:40:42,658 INFO L933 BasicCegarLoop]: 8462 mSDtfsCounter, 8475 mSDsluCounter, 9812 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8483 SdHoareTripleChecker+Valid, 17837 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:42,658 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8483 Valid, 17837 Invalid, 823 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-11-25 18:40:42,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6225 states. [2021-11-25 18:40:43,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6225 to 6220. [2021-11-25 18:40:43,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6220 states, 3304 states have (on average 1.284503631961259) internal successors, (4244), 3755 states have internal predecessors, (4244), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2021-11-25 18:40:43,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6220 states to 6220 states and 9472 transitions. [2021-11-25 18:40:43,401 INFO L78 Accepts]: Start accepts. Automaton has 6220 states and 9472 transitions. Word has length 67 [2021-11-25 18:40:43,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:43,401 INFO L470 AbstractCegarLoop]: Abstraction has 6220 states and 9472 transitions. [2021-11-25 18:40:43,402 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2021-11-25 18:40:43,402 INFO L276 IsEmpty]: Start isEmpty. Operand 6220 states and 9472 transitions. [2021-11-25 18:40:43,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2021-11-25 18:40:43,403 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:43,404 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:43,404 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:40:43,404 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:43,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:43,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1054566781, now seen corresponding path program 1 times [2021-11-25 18:40:43,405 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:43,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721553588] [2021-11-25 18:40:43,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:43,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:43,722 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:43,723 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:43,723 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721553588] [2021-11-25 18:40:43,723 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721553588] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:43,723 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:43,723 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:43,724 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058349395] [2021-11-25 18:40:43,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:43,724 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:43,724 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:43,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:43,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:43,726 INFO L87 Difference]: Start difference. First operand 6220 states and 9472 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 18:40:47,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:40:48,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:48,224 INFO L93 Difference]: Finished difference Result 6225 states and 9475 transitions. [2021-11-25 18:40:48,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:48,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 72 [2021-11-25 18:40:48,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:48,273 INFO L225 Difference]: With dead ends: 6225 [2021-11-25 18:40:48,274 INFO L226 Difference]: Without dead ends: 6223 [2021-11-25 18:40:48,279 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:40:48,281 INFO L933 BasicCegarLoop]: 8460 mSDtfsCounter, 8472 mSDsluCounter, 9810 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8480 SdHoareTripleChecker+Valid, 17833 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:48,281 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8480 Valid, 17833 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2021-11-25 18:40:48,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6223 states. [2021-11-25 18:40:49,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6223 to 6218. [2021-11-25 18:40:49,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6218 states, 3303 states have (on average 1.2842870118074479) internal successors, (4242), 3753 states have internal predecessors, (4242), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2021-11-25 18:40:49,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6218 states to 6218 states and 9470 transitions. [2021-11-25 18:40:49,105 INFO L78 Accepts]: Start accepts. Automaton has 6218 states and 9470 transitions. Word has length 72 [2021-11-25 18:40:49,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:49,107 INFO L470 AbstractCegarLoop]: Abstraction has 6218 states and 9470 transitions. [2021-11-25 18:40:49,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 18:40:49,108 INFO L276 IsEmpty]: Start isEmpty. Operand 6218 states and 9470 transitions. [2021-11-25 18:40:49,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 18:40:49,109 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:49,109 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:49,110 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:40:49,110 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:49,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:49,110 INFO L85 PathProgramCache]: Analyzing trace with hash 526480789, now seen corresponding path program 1 times [2021-11-25 18:40:49,111 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:49,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972943472] [2021-11-25 18:40:49,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:49,111 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:49,420 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:40:49,420 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:49,420 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972943472] [2021-11-25 18:40:49,420 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972943472] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:49,421 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:49,421 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:40:49,421 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223475842] [2021-11-25 18:40:49,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:49,422 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:40:49,422 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:49,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:40:49,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:40:49,423 INFO L87 Difference]: Start difference. First operand 6218 states and 9470 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 18:40:52,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:40:54,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:40:54,079 INFO L93 Difference]: Finished difference Result 6223 states and 9473 transitions. [2021-11-25 18:40:54,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:40:54,079 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 77 [2021-11-25 18:40:54,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:40:54,117 INFO L225 Difference]: With dead ends: 6223 [2021-11-25 18:40:54,117 INFO L226 Difference]: Without dead ends: 6221 [2021-11-25 18:40:54,123 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:40:54,124 INFO L933 BasicCegarLoop]: 8458 mSDtfsCounter, 8469 mSDsluCounter, 9808 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8477 SdHoareTripleChecker+Valid, 17829 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:40:54,125 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8477 Valid, 17829 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-11-25 18:40:54,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6221 states. [2021-11-25 18:40:54,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6221 to 6216. [2021-11-25 18:40:54,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6216 states, 3302 states have (on average 1.2840702604482133) internal successors, (4240), 3751 states have internal predecessors, (4240), 2615 states have call successors, (2615), 279 states have call predecessors, (2615), 278 states have return successors, (2613), 2315 states have call predecessors, (2613), 2613 states have call successors, (2613) [2021-11-25 18:40:54,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6216 states to 6216 states and 9468 transitions. [2021-11-25 18:40:54,943 INFO L78 Accepts]: Start accepts. Automaton has 6216 states and 9468 transitions. Word has length 77 [2021-11-25 18:40:54,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:40:54,943 INFO L470 AbstractCegarLoop]: Abstraction has 6216 states and 9468 transitions. [2021-11-25 18:40:54,944 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 18:40:54,944 INFO L276 IsEmpty]: Start isEmpty. Operand 6216 states and 9468 transitions. [2021-11-25 18:40:54,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-25 18:40:54,953 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:40:54,954 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:40:54,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 18:40:54,955 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:40:54,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:40:54,956 INFO L85 PathProgramCache]: Analyzing trace with hash -817534190, now seen corresponding path program 1 times [2021-11-25 18:40:54,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:40:54,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469636429] [2021-11-25 18:40:54,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:40:54,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:40:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:40:55,481 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-11-25 18:40:55,481 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:40:55,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469636429] [2021-11-25 18:40:55,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469636429] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:40:55,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:40:55,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 18:40:55,482 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036636641] [2021-11-25 18:40:55,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:40:55,483 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:40:55,484 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:40:55,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:40:55,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:40:55,484 INFO L87 Difference]: Start difference. First operand 6216 states and 9468 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 18:41:00,821 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:41:02,839 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:41:04,494 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:41:06,232 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:41:14,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:14,536 INFO L93 Difference]: Finished difference Result 6264 states and 9517 transitions. [2021-11-25 18:41:14,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:41:14,536 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) Word has length 100 [2021-11-25 18:41:14,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:14,572 INFO L225 Difference]: With dead ends: 6264 [2021-11-25 18:41:14,572 INFO L226 Difference]: Without dead ends: 6262 [2021-11-25 18:41:14,577 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-11-25 18:41:14,578 INFO L933 BasicCegarLoop]: 8206 mSDtfsCounter, 8553 mSDsluCounter, 21055 mSDsCounter, 0 mSdLazyCounter, 6294 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8558 SdHoareTripleChecker+Valid, 28114 SdHoareTripleChecker+Invalid, 6299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 6294 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:14,578 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8558 Valid, 28114 Invalid, 6299 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 6294 Invalid, 1 Unknown, 0 Unchecked, 18.4s Time] [2021-11-25 18:41:14,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6262 states. [2021-11-25 18:41:15,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6262 to 6258. [2021-11-25 18:41:15,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6258 states, 3323 states have (on average 1.2828769184471862) internal successors, (4263), 3771 states have internal predecessors, (4263), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-25 18:41:15,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6258 states to 6258 states and 9513 transitions. [2021-11-25 18:41:15,284 INFO L78 Accepts]: Start accepts. Automaton has 6258 states and 9513 transitions. Word has length 100 [2021-11-25 18:41:15,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:15,285 INFO L470 AbstractCegarLoop]: Abstraction has 6258 states and 9513 transitions. [2021-11-25 18:41:15,286 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (12), 3 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 18:41:15,286 INFO L276 IsEmpty]: Start isEmpty. Operand 6258 states and 9513 transitions. [2021-11-25 18:41:15,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2021-11-25 18:41:15,288 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:15,289 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:15,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 18:41:15,289 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting kzallocErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:41:15,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:15,290 INFO L85 PathProgramCache]: Analyzing trace with hash 2063340134, now seen corresponding path program 1 times [2021-11-25 18:41:15,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:15,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402993542] [2021-11-25 18:41:15,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:15,290 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:15,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:15,603 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-11-25 18:41:15,604 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:15,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402993542] [2021-11-25 18:41:15,604 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402993542] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:15,604 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:15,604 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:41:15,605 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77877458] [2021-11-25 18:41:15,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:15,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:41:15,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:15,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:41:15,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:41:15,607 INFO L87 Difference]: Start difference. First operand 6258 states and 9513 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 18:41:18,499 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:41:19,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:19,422 INFO L93 Difference]: Finished difference Result 12497 states and 19078 transitions. [2021-11-25 18:41:19,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:41:19,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 103 [2021-11-25 18:41:19,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:19,464 INFO L225 Difference]: With dead ends: 12497 [2021-11-25 18:41:19,464 INFO L226 Difference]: Without dead ends: 6259 [2021-11-25 18:41:19,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:41:19,524 INFO L933 BasicCegarLoop]: 8451 mSDtfsCounter, 8460 mSDsluCounter, 968 mSDsCounter, 0 mSdLazyCounter, 439 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8466 SdHoareTripleChecker+Valid, 9364 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 439 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:19,524 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8466 Valid, 9364 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 439 Invalid, 1 Unknown, 0 Unchecked, 3.4s Time] [2021-11-25 18:41:19,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6259 states. [2021-11-25 18:41:20,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6259 to 6254. [2021-11-25 18:41:20,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6254 states, 3320 states have (on average 1.2825301204819277) internal successors, (4258), 3767 states have internal predecessors, (4258), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-25 18:41:20,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6254 states to 6254 states and 9508 transitions. [2021-11-25 18:41:20,262 INFO L78 Accepts]: Start accepts. Automaton has 6254 states and 9508 transitions. Word has length 103 [2021-11-25 18:41:20,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:20,262 INFO L470 AbstractCegarLoop]: Abstraction has 6254 states and 9508 transitions. [2021-11-25 18:41:20,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 18:41:20,263 INFO L276 IsEmpty]: Start isEmpty. Operand 6254 states and 9508 transitions. [2021-11-25 18:41:20,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2021-11-25 18:41:20,265 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:20,265 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:20,265 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 18:41:20,266 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:41:20,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:20,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1956251084, now seen corresponding path program 1 times [2021-11-25 18:41:20,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:20,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614495577] [2021-11-25 18:41:20,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:20,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:20,631 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:41:20,632 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:20,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614495577] [2021-11-25 18:41:20,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614495577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:20,632 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:20,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:41:20,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281004787] [2021-11-25 18:41:20,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:20,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:41:20,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:20,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:41:20,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:41:20,634 INFO L87 Difference]: Start difference. First operand 6254 states and 9508 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:41:23,781 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:41:25,797 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:41:26,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:26,599 INFO L93 Difference]: Finished difference Result 6254 states and 9508 transitions. [2021-11-25 18:41:26,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:41:26,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 82 [2021-11-25 18:41:26,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:26,629 INFO L225 Difference]: With dead ends: 6254 [2021-11-25 18:41:26,629 INFO L226 Difference]: Without dead ends: 6252 [2021-11-25 18:41:26,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:41:26,636 INFO L933 BasicCegarLoop]: 8188 mSDtfsCounter, 8551 mSDsluCounter, 8567 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8553 SdHoareTripleChecker+Valid, 16372 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:26,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8553 Valid, 16372 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2021-11-25 18:41:26,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6252 states. [2021-11-25 18:41:27,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6252 to 6252. [2021-11-25 18:41:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6252 states, 3319 states have (on average 1.2823139499849352) internal successors, (4256), 3765 states have internal predecessors, (4256), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-25 18:41:27,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6252 states to 6252 states and 9506 transitions. [2021-11-25 18:41:27,345 INFO L78 Accepts]: Start accepts. Automaton has 6252 states and 9506 transitions. Word has length 82 [2021-11-25 18:41:27,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:27,346 INFO L470 AbstractCegarLoop]: Abstraction has 6252 states and 9506 transitions. [2021-11-25 18:41:27,346 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:41:27,347 INFO L276 IsEmpty]: Start isEmpty. Operand 6252 states and 9506 transitions. [2021-11-25 18:41:27,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2021-11-25 18:41:27,348 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:27,348 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:27,349 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 18:41:27,349 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:41:27,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:27,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1238588279, now seen corresponding path program 1 times [2021-11-25 18:41:27,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:27,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302005536] [2021-11-25 18:41:27,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:27,350 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:27,615 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:41:27,615 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:27,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302005536] [2021-11-25 18:41:27,615 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302005536] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:27,616 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:27,616 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:41:27,616 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140266594] [2021-11-25 18:41:27,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:27,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:41:27,617 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:27,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:41:27,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:41:27,618 INFO L87 Difference]: Start difference. First operand 6252 states and 9506 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:41:31,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:41:32,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:32,510 INFO L93 Difference]: Finished difference Result 6257 states and 9509 transitions. [2021-11-25 18:41:32,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:41:32,511 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 84 [2021-11-25 18:41:32,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:32,539 INFO L225 Difference]: With dead ends: 6257 [2021-11-25 18:41:32,539 INFO L226 Difference]: Without dead ends: 6255 [2021-11-25 18:41:32,545 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:41:32,546 INFO L933 BasicCegarLoop]: 8446 mSDtfsCounter, 8455 mSDsluCounter, 9796 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8463 SdHoareTripleChecker+Valid, 17805 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:32,546 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8463 Valid, 17805 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 4.5s Time] [2021-11-25 18:41:32,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6255 states. [2021-11-25 18:41:33,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6255 to 6250. [2021-11-25 18:41:33,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6250 states, 3318 states have (on average 1.2820976491862568) internal successors, (4254), 3763 states have internal predecessors, (4254), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-25 18:41:33,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6250 states to 6250 states and 9504 transitions. [2021-11-25 18:41:33,337 INFO L78 Accepts]: Start accepts. Automaton has 6250 states and 9504 transitions. Word has length 84 [2021-11-25 18:41:33,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:33,338 INFO L470 AbstractCegarLoop]: Abstraction has 6250 states and 9504 transitions. [2021-11-25 18:41:33,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:41:33,338 INFO L276 IsEmpty]: Start isEmpty. Operand 6250 states and 9504 transitions. [2021-11-25 18:41:33,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2021-11-25 18:41:33,340 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:33,340 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:33,340 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 18:41:33,340 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:41:33,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:33,341 INFO L85 PathProgramCache]: Analyzing trace with hash -505409122, now seen corresponding path program 1 times [2021-11-25 18:41:33,341 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:33,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35232894] [2021-11-25 18:41:33,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:33,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:33,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:33,594 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:41:33,595 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:33,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35232894] [2021-11-25 18:41:33,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35232894] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:33,595 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:33,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:41:33,596 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630464147] [2021-11-25 18:41:33,596 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:33,596 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:41:33,597 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:33,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:41:33,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:41:33,597 INFO L87 Difference]: Start difference. First operand 6250 states and 9504 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 18:41:36,452 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:41:38,476 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:41:39,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:39,243 INFO L93 Difference]: Finished difference Result 6250 states and 9504 transitions. [2021-11-25 18:41:39,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:41:39,243 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 89 [2021-11-25 18:41:39,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:39,275 INFO L225 Difference]: With dead ends: 6250 [2021-11-25 18:41:39,276 INFO L226 Difference]: Without dead ends: 6248 [2021-11-25 18:41:39,281 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:41:39,282 INFO L933 BasicCegarLoop]: 8184 mSDtfsCounter, 8542 mSDsluCounter, 8567 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8544 SdHoareTripleChecker+Valid, 16368 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:39,283 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8544 Valid, 16368 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2021-11-25 18:41:39,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6248 states. [2021-11-25 18:41:39,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6248 to 6248. [2021-11-25 18:41:39,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6248 states, 3317 states have (on average 1.2818812179680434) internal successors, (4252), 3761 states have internal predecessors, (4252), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-25 18:41:40,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6248 states to 6248 states and 9502 transitions. [2021-11-25 18:41:40,040 INFO L78 Accepts]: Start accepts. Automaton has 6248 states and 9502 transitions. Word has length 89 [2021-11-25 18:41:40,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:40,041 INFO L470 AbstractCegarLoop]: Abstraction has 6248 states and 9502 transitions. [2021-11-25 18:41:40,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 18:41:40,042 INFO L276 IsEmpty]: Start isEmpty. Operand 6248 states and 9502 transitions. [2021-11-25 18:41:40,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2021-11-25 18:41:40,043 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:40,044 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:40,044 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 18:41:40,044 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:41:40,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:40,045 INFO L85 PathProgramCache]: Analyzing trace with hash -749969728, now seen corresponding path program 1 times [2021-11-25 18:41:40,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:40,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [8937452] [2021-11-25 18:41:40,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:40,046 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:40,307 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:41:40,308 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:40,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [8937452] [2021-11-25 18:41:40,308 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [8937452] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:40,308 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:40,308 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:41:40,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271436969] [2021-11-25 18:41:40,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:40,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:41:40,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:40,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:41:40,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:41:40,310 INFO L87 Difference]: Start difference. First operand 6248 states and 9502 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 18:41:43,837 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:41:45,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:41:46,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:46,667 INFO L93 Difference]: Finished difference Result 6248 states and 9502 transitions. [2021-11-25 18:41:46,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:41:46,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 94 [2021-11-25 18:41:46,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:46,692 INFO L225 Difference]: With dead ends: 6248 [2021-11-25 18:41:46,692 INFO L226 Difference]: Without dead ends: 6246 [2021-11-25 18:41:46,698 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:41:46,698 INFO L933 BasicCegarLoop]: 8182 mSDtfsCounter, 8539 mSDsluCounter, 8565 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8541 SdHoareTripleChecker+Valid, 16364 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:46,699 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8541 Valid, 16364 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2021-11-25 18:41:46,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6246 states. [2021-11-25 18:41:47,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6246 to 6246. [2021-11-25 18:41:47,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6246 states, 3316 states have (on average 1.281664656212304) internal successors, (4250), 3759 states have internal predecessors, (4250), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-25 18:41:47,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6246 states to 6246 states and 9500 transitions. [2021-11-25 18:41:47,564 INFO L78 Accepts]: Start accepts. Automaton has 6246 states and 9500 transitions. Word has length 94 [2021-11-25 18:41:47,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:47,565 INFO L470 AbstractCegarLoop]: Abstraction has 6246 states and 9500 transitions. [2021-11-25 18:41:47,565 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2021-11-25 18:41:47,565 INFO L276 IsEmpty]: Start isEmpty. Operand 6246 states and 9500 transitions. [2021-11-25 18:41:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2021-11-25 18:41:47,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:47,567 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:47,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 18:41:47,568 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:41:47,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:47,568 INFO L85 PathProgramCache]: Analyzing trace with hash 944231306, now seen corresponding path program 1 times [2021-11-25 18:41:47,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:47,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875589914] [2021-11-25 18:41:47,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:47,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:47,825 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:41:47,825 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:47,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875589914] [2021-11-25 18:41:47,826 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875589914] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:47,826 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:47,826 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:41:47,826 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019283378] [2021-11-25 18:41:47,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:47,827 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:41:47,827 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:47,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:41:47,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:41:47,828 INFO L87 Difference]: Start difference. First operand 6246 states and 9500 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 18:41:50,891 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:41:51,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:51,899 INFO L93 Difference]: Finished difference Result 6251 states and 9503 transitions. [2021-11-25 18:41:51,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:41:51,900 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 99 [2021-11-25 18:41:51,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:51,930 INFO L225 Difference]: With dead ends: 6251 [2021-11-25 18:41:51,931 INFO L226 Difference]: Without dead ends: 6249 [2021-11-25 18:41:51,936 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:41:51,937 INFO L933 BasicCegarLoop]: 8439 mSDtfsCounter, 8448 mSDsluCounter, 9789 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8456 SdHoareTripleChecker+Valid, 17791 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:51,937 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8456 Valid, 17791 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2021-11-25 18:41:51,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6249 states. [2021-11-25 18:41:52,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6249 to 6244. [2021-11-25 18:41:52,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6244 states, 3315 states have (on average 1.281447963800905) internal successors, (4248), 3757 states have internal predecessors, (4248), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-25 18:41:52,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6244 states to 6244 states and 9498 transitions. [2021-11-25 18:41:52,587 INFO L78 Accepts]: Start accepts. Automaton has 6244 states and 9498 transitions. Word has length 99 [2021-11-25 18:41:52,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:52,588 INFO L470 AbstractCegarLoop]: Abstraction has 6244 states and 9498 transitions. [2021-11-25 18:41:52,588 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2021-11-25 18:41:52,588 INFO L276 IsEmpty]: Start isEmpty. Operand 6244 states and 9498 transitions. [2021-11-25 18:41:52,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2021-11-25 18:41:52,590 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:52,590 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:52,590 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 18:41:52,590 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:41:52,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:52,591 INFO L85 PathProgramCache]: Analyzing trace with hash 688770990, now seen corresponding path program 1 times [2021-11-25 18:41:52,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:52,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144128827] [2021-11-25 18:41:52,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:52,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:52,840 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:41:52,840 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:52,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144128827] [2021-11-25 18:41:52,841 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144128827] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:52,841 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:52,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:41:52,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585211855] [2021-11-25 18:41:52,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:52,842 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:41:52,842 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:52,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:41:52,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:41:52,843 INFO L87 Difference]: Start difference. First operand 6244 states and 9498 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-25 18:41:56,269 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:41:57,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:41:57,361 INFO L93 Difference]: Finished difference Result 6249 states and 9501 transitions. [2021-11-25 18:41:57,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:41:57,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 104 [2021-11-25 18:41:57,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:41:57,380 INFO L225 Difference]: With dead ends: 6249 [2021-11-25 18:41:57,380 INFO L226 Difference]: Without dead ends: 6247 [2021-11-25 18:41:57,383 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:41:57,384 INFO L933 BasicCegarLoop]: 8438 mSDtfsCounter, 8445 mSDsluCounter, 9788 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8453 SdHoareTripleChecker+Valid, 17789 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:41:57,384 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8453 Valid, 17789 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 4.0s Time] [2021-11-25 18:41:57,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6247 states. [2021-11-25 18:41:57,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6247 to 6242. [2021-11-25 18:41:57,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6242 states, 3314 states have (on average 1.2812311406155703) internal successors, (4246), 3755 states have internal predecessors, (4246), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-25 18:41:57,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6242 states to 6242 states and 9496 transitions. [2021-11-25 18:41:57,981 INFO L78 Accepts]: Start accepts. Automaton has 6242 states and 9496 transitions. Word has length 104 [2021-11-25 18:41:57,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:41:57,982 INFO L470 AbstractCegarLoop]: Abstraction has 6242 states and 9496 transitions. [2021-11-25 18:41:57,982 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2021-11-25 18:41:57,982 INFO L276 IsEmpty]: Start isEmpty. Operand 6242 states and 9496 transitions. [2021-11-25 18:41:57,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2021-11-25 18:41:57,984 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:41:57,985 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:41:57,985 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 18:41:57,985 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:41:57,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:41:57,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1741529762, now seen corresponding path program 1 times [2021-11-25 18:41:57,986 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:41:57,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868263649] [2021-11-25 18:41:57,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:41:57,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:41:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:41:58,247 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:41:58,247 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:41:58,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868263649] [2021-11-25 18:41:58,248 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868263649] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:41:58,248 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:41:58,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:41:58,248 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672445494] [2021-11-25 18:41:58,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:41:58,249 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:41:58,249 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:41:58,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:41:58,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:41:58,250 INFO L87 Difference]: Start difference. First operand 6242 states and 9496 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 18:42:01,292 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:03,307 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:04,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:42:04,127 INFO L93 Difference]: Finished difference Result 6242 states and 9496 transitions. [2021-11-25 18:42:04,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:42:04,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 109 [2021-11-25 18:42:04,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:42:04,149 INFO L225 Difference]: With dead ends: 6242 [2021-11-25 18:42:04,149 INFO L226 Difference]: Without dead ends: 6240 [2021-11-25 18:42:04,153 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:42:04,154 INFO L933 BasicCegarLoop]: 8176 mSDtfsCounter, 8530 mSDsluCounter, 8559 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8532 SdHoareTripleChecker+Valid, 16352 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:42:04,154 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8532 Valid, 16352 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2021-11-25 18:42:04,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6240 states. [2021-11-25 18:42:04,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6240 to 6240. [2021-11-25 18:42:04,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6240 states, 3313 states have (on average 1.281014186537881) internal successors, (4244), 3753 states have internal predecessors, (4244), 2626 states have call successors, (2626), 290 states have call predecessors, (2626), 289 states have return successors, (2624), 2326 states have call predecessors, (2624), 2624 states have call successors, (2624) [2021-11-25 18:42:04,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6240 states to 6240 states and 9494 transitions. [2021-11-25 18:42:04,832 INFO L78 Accepts]: Start accepts. Automaton has 6240 states and 9494 transitions. Word has length 109 [2021-11-25 18:42:04,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:42:04,833 INFO L470 AbstractCegarLoop]: Abstraction has 6240 states and 9494 transitions. [2021-11-25 18:42:04,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 18:42:04,833 INFO L276 IsEmpty]: Start isEmpty. Operand 6240 states and 9494 transitions. [2021-11-25 18:42:04,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-25 18:42:04,836 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:42:04,836 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:42:04,836 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 18:42:04,836 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:42:04,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:42:04,837 INFO L85 PathProgramCache]: Analyzing trace with hash -10442613, now seen corresponding path program 1 times [2021-11-25 18:42:04,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:42:04,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516716809] [2021-11-25 18:42:04,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:42:04,838 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:42:04,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:42:05,162 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2021-11-25 18:42:05,162 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:42:05,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516716809] [2021-11-25 18:42:05,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516716809] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:42:05,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:42:05,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:42:05,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494282571] [2021-11-25 18:42:05,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:42:05,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:42:05,165 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:42:05,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:42:05,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:42:05,166 INFO L87 Difference]: Start difference. First operand 6240 states and 9494 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-25 18:42:08,810 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:10,324 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:12,339 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:14,939 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:16,957 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:18,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:42:18,295 INFO L93 Difference]: Finished difference Result 7568 states and 11434 transitions. [2021-11-25 18:42:18,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:42:18,295 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 143 [2021-11-25 18:42:18,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:42:18,353 INFO L225 Difference]: With dead ends: 7568 [2021-11-25 18:42:18,353 INFO L226 Difference]: Without dead ends: 7566 [2021-11-25 18:42:18,360 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:42:18,361 INFO L933 BasicCegarLoop]: 8563 mSDtfsCounter, 8147 mSDsluCounter, 19339 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8149 SdHoareTripleChecker+Valid, 27017 SdHoareTripleChecker+Invalid, 1300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:42:18,362 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8149 Valid, 27017 Invalid, 1300 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1294 Invalid, 3 Unknown, 0 Unchecked, 12.5s Time] [2021-11-25 18:42:18,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7566 states. [2021-11-25 18:42:19,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7566 to 7558. [2021-11-25 18:42:19,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7558 states, 4016 states have (on average 1.2758964143426295) internal successors, (5124), 4544 states have internal predecessors, (5124), 3101 states have call successors, (3101), 443 states have call predecessors, (3101), 429 states have return successors, (3199), 2712 states have call predecessors, (3199), 3099 states have call successors, (3199) [2021-11-25 18:42:19,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7558 states to 7558 states and 11424 transitions. [2021-11-25 18:42:19,517 INFO L78 Accepts]: Start accepts. Automaton has 7558 states and 11424 transitions. Word has length 143 [2021-11-25 18:42:19,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:42:19,518 INFO L470 AbstractCegarLoop]: Abstraction has 7558 states and 11424 transitions. [2021-11-25 18:42:19,518 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-25 18:42:19,518 INFO L276 IsEmpty]: Start isEmpty. Operand 7558 states and 11424 transitions. [2021-11-25 18:42:19,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-25 18:42:19,519 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:42:19,520 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:42:19,520 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 18:42:19,520 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:42:19,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:42:19,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1393586780, now seen corresponding path program 1 times [2021-11-25 18:42:19,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:42:19,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376425012] [2021-11-25 18:42:19,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:42:19,521 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:42:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:42:19,882 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:42:19,882 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:42:19,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376425012] [2021-11-25 18:42:19,882 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376425012] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:42:19,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:42:19,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:42:19,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621306020] [2021-11-25 18:42:19,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:42:19,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:42:19,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:42:19,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:42:19,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:42:19,885 INFO L87 Difference]: Start difference. First operand 7558 states and 11424 transitions. Second operand has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-25 18:42:22,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:24,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:25,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:42:25,554 INFO L93 Difference]: Finished difference Result 7558 states and 11424 transitions. [2021-11-25 18:42:25,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:42:25,555 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 114 [2021-11-25 18:42:25,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:42:25,596 INFO L225 Difference]: With dead ends: 7558 [2021-11-25 18:42:25,597 INFO L226 Difference]: Without dead ends: 7556 [2021-11-25 18:42:25,603 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:42:25,604 INFO L933 BasicCegarLoop]: 8174 mSDtfsCounter, 8527 mSDsluCounter, 8557 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8529 SdHoareTripleChecker+Valid, 16348 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:42:25,604 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8529 Valid, 16348 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-11-25 18:42:25,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7556 states. [2021-11-25 18:42:26,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7556 to 7556. [2021-11-25 18:42:26,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7556 states, 4015 states have (on average 1.2757160647571606) internal successors, (5122), 4542 states have internal predecessors, (5122), 3101 states have call successors, (3101), 443 states have call predecessors, (3101), 429 states have return successors, (3199), 2712 states have call predecessors, (3199), 3099 states have call successors, (3199) [2021-11-25 18:42:26,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7556 states to 7556 states and 11422 transitions. [2021-11-25 18:42:26,602 INFO L78 Accepts]: Start accepts. Automaton has 7556 states and 11422 transitions. Word has length 114 [2021-11-25 18:42:26,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:42:26,602 INFO L470 AbstractCegarLoop]: Abstraction has 7556 states and 11422 transitions. [2021-11-25 18:42:26,602 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-25 18:42:26,603 INFO L276 IsEmpty]: Start isEmpty. Operand 7556 states and 11422 transitions. [2021-11-25 18:42:26,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-25 18:42:26,604 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:42:26,604 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:42:26,605 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-25 18:42:26,605 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:42:26,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:42:26,605 INFO L85 PathProgramCache]: Analyzing trace with hash -58802643, now seen corresponding path program 1 times [2021-11-25 18:42:26,605 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:42:26,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660069990] [2021-11-25 18:42:26,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:42:26,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:42:26,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:42:26,849 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:42:26,849 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:42:26,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660069990] [2021-11-25 18:42:26,849 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660069990] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:42:26,849 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:42:26,850 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:42:26,850 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401893939] [2021-11-25 18:42:26,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:42:26,852 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:42:26,852 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:42:26,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:42:26,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:42:26,853 INFO L87 Difference]: Start difference. First operand 7556 states and 11422 transitions. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-25 18:42:30,975 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:32,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:42:32,552 INFO L93 Difference]: Finished difference Result 7562 states and 11426 transitions. [2021-11-25 18:42:32,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:42:32,553 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 119 [2021-11-25 18:42:32,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:42:32,587 INFO L225 Difference]: With dead ends: 7562 [2021-11-25 18:42:32,587 INFO L226 Difference]: Without dead ends: 7560 [2021-11-25 18:42:32,593 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:42:32,594 INFO L933 BasicCegarLoop]: 8430 mSDtfsCounter, 8436 mSDsluCounter, 9780 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8444 SdHoareTripleChecker+Valid, 17773 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:42:32,594 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8444 Valid, 17773 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2021-11-25 18:42:32,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7560 states. [2021-11-25 18:42:33,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7560 to 7554. [2021-11-25 18:42:33,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7554 states, 4014 states have (on average 1.27553562531141) internal successors, (5120), 4540 states have internal predecessors, (5120), 3101 states have call successors, (3101), 443 states have call predecessors, (3101), 429 states have return successors, (3199), 2712 states have call predecessors, (3199), 3099 states have call successors, (3199) [2021-11-25 18:42:33,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7554 states to 7554 states and 11420 transitions. [2021-11-25 18:42:33,534 INFO L78 Accepts]: Start accepts. Automaton has 7554 states and 11420 transitions. Word has length 119 [2021-11-25 18:42:33,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:42:33,534 INFO L470 AbstractCegarLoop]: Abstraction has 7554 states and 11420 transitions. [2021-11-25 18:42:33,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2021-11-25 18:42:33,534 INFO L276 IsEmpty]: Start isEmpty. Operand 7554 states and 11420 transitions. [2021-11-25 18:42:33,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-25 18:42:33,537 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:42:33,537 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:42:33,537 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-25 18:42:33,537 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:42:33,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:42:33,538 INFO L85 PathProgramCache]: Analyzing trace with hash 764432855, now seen corresponding path program 1 times [2021-11-25 18:42:33,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:42:33,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754776361] [2021-11-25 18:42:33,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:42:33,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:42:33,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:42:33,807 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:42:33,807 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:42:33,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754776361] [2021-11-25 18:42:33,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754776361] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:42:33,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:42:33,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:42:33,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021828938] [2021-11-25 18:42:33,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:42:33,809 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:42:33,809 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:42:33,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:42:33,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:42:33,810 INFO L87 Difference]: Start difference. First operand 7554 states and 11420 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 18:42:36,701 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:38,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:39,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:42:39,898 INFO L93 Difference]: Finished difference Result 7554 states and 11420 transitions. [2021-11-25 18:42:39,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:42:39,898 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 124 [2021-11-25 18:42:39,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:42:39,929 INFO L225 Difference]: With dead ends: 7554 [2021-11-25 18:42:39,930 INFO L226 Difference]: Without dead ends: 7552 [2021-11-25 18:42:39,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:42:39,935 INFO L933 BasicCegarLoop]: 8170 mSDtfsCounter, 8521 mSDsluCounter, 8553 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8523 SdHoareTripleChecker+Valid, 16340 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:42:39,935 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8523 Valid, 16340 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 1 Unknown, 0 Unchecked, 5.5s Time] [2021-11-25 18:42:39,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7552 states. [2021-11-25 18:42:40,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7552 to 7552. [2021-11-25 18:42:40,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7552 states, 4013 states have (on average 1.275355095938201) internal successors, (5118), 4538 states have internal predecessors, (5118), 3101 states have call successors, (3101), 443 states have call predecessors, (3101), 429 states have return successors, (3199), 2712 states have call predecessors, (3199), 3099 states have call successors, (3199) [2021-11-25 18:42:40,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7552 states to 7552 states and 11418 transitions. [2021-11-25 18:42:40,945 INFO L78 Accepts]: Start accepts. Automaton has 7552 states and 11418 transitions. Word has length 124 [2021-11-25 18:42:40,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:42:40,945 INFO L470 AbstractCegarLoop]: Abstraction has 7552 states and 11418 transitions. [2021-11-25 18:42:40,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-25 18:42:40,945 INFO L276 IsEmpty]: Start isEmpty. Operand 7552 states and 11418 transitions. [2021-11-25 18:42:40,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-25 18:42:40,948 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:42:40,948 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:42:40,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-25 18:42:40,948 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:42:40,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:42:40,948 INFO L85 PathProgramCache]: Analyzing trace with hash -1273203428, now seen corresponding path program 1 times [2021-11-25 18:42:40,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:42:40,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360151159] [2021-11-25 18:42:40,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:42:40,949 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:42:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:42:41,272 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-25 18:42:41,272 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:42:41,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360151159] [2021-11-25 18:42:41,273 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360151159] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:42:41,273 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:42:41,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:42:41,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604136984] [2021-11-25 18:42:41,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:42:41,274 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:42:41,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:42:41,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:42:41,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:42:41,275 INFO L87 Difference]: Start difference. First operand 7552 states and 11418 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 18:42:45,123 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:46,407 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:48,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:50,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:52,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:54,706 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:42:56,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:42:56,102 INFO L93 Difference]: Finished difference Result 7570 states and 11433 transitions. [2021-11-25 18:42:56,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:42:56,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 162 [2021-11-25 18:42:56,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:42:56,134 INFO L225 Difference]: With dead ends: 7570 [2021-11-25 18:42:56,134 INFO L226 Difference]: Without dead ends: 7568 [2021-11-25 18:42:56,137 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:42:56,138 INFO L933 BasicCegarLoop]: 9007 mSDtfsCounter, 1409 mSDsluCounter, 27040 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 2 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1411 SdHoareTripleChecker+Valid, 34825 SdHoareTripleChecker+Invalid, 1667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:42:56,139 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1411 Valid, 34825 Invalid, 1667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1663 Invalid, 2 Unknown, 0 Unchecked, 14.1s Time] [2021-11-25 18:42:56,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7568 states. [2021-11-25 18:42:57,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7568 to 7560. [2021-11-25 18:42:57,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7560 states, 4019 states have (on average 1.2746951978104006) internal successors, (5123), 4544 states have internal predecessors, (5123), 3101 states have call successors, (3101), 445 states have call predecessors, (3101), 431 states have return successors, (3199), 2712 states have call predecessors, (3199), 3099 states have call successors, (3199) [2021-11-25 18:42:57,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7560 states to 7560 states and 11423 transitions. [2021-11-25 18:42:57,118 INFO L78 Accepts]: Start accepts. Automaton has 7560 states and 11423 transitions. Word has length 162 [2021-11-25 18:42:57,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:42:57,119 INFO L470 AbstractCegarLoop]: Abstraction has 7560 states and 11423 transitions. [2021-11-25 18:42:57,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 2 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2021-11-25 18:42:57,119 INFO L276 IsEmpty]: Start isEmpty. Operand 7560 states and 11423 transitions. [2021-11-25 18:42:57,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-25 18:42:57,123 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:42:57,123 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:42:57,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-25 18:42:57,123 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:42:57,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:42:57,124 INFO L85 PathProgramCache]: Analyzing trace with hash -646404385, now seen corresponding path program 1 times [2021-11-25 18:42:57,124 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:42:57,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104396840] [2021-11-25 18:42:57,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:42:57,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:42:57,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:42:57,367 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:42:57,368 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:42:57,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104396840] [2021-11-25 18:42:57,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104396840] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:42:57,368 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:42:57,368 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:42:57,369 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816948014] [2021-11-25 18:42:57,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:42:57,369 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:42:57,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:42:57,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:42:57,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:42:57,370 INFO L87 Difference]: Start difference. First operand 7560 states and 11423 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-25 18:43:00,528 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:43:02,548 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:43:03,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:43:03,520 INFO L93 Difference]: Finished difference Result 7560 states and 11423 transitions. [2021-11-25 18:43:03,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:43:03,521 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 129 [2021-11-25 18:43:03,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:43:03,561 INFO L225 Difference]: With dead ends: 7560 [2021-11-25 18:43:03,562 INFO L226 Difference]: Without dead ends: 7558 [2021-11-25 18:43:03,569 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:43:03,570 INFO L933 BasicCegarLoop]: 8168 mSDtfsCounter, 8518 mSDsluCounter, 8551 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8520 SdHoareTripleChecker+Valid, 16336 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:43:03,570 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8520 Valid, 16336 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2021-11-25 18:43:03,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7558 states. [2021-11-25 18:43:04,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7558 to 7558. [2021-11-25 18:43:04,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7558 states, 4018 states have (on average 1.2745146839223493) internal successors, (5121), 4542 states have internal predecessors, (5121), 3101 states have call successors, (3101), 445 states have call predecessors, (3101), 431 states have return successors, (3199), 2712 states have call predecessors, (3199), 3099 states have call successors, (3199) [2021-11-25 18:43:04,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7558 states to 7558 states and 11421 transitions. [2021-11-25 18:43:04,680 INFO L78 Accepts]: Start accepts. Automaton has 7558 states and 11421 transitions. Word has length 129 [2021-11-25 18:43:04,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:43:04,681 INFO L470 AbstractCegarLoop]: Abstraction has 7558 states and 11421 transitions. [2021-11-25 18:43:04,681 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-25 18:43:04,681 INFO L276 IsEmpty]: Start isEmpty. Operand 7558 states and 11421 transitions. [2021-11-25 18:43:04,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2021-11-25 18:43:04,685 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:43:04,685 INFO L514 BasicCegarLoop]: trace histogram [11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:43:04,686 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-25 18:43:04,686 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:43:04,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:43:04,686 INFO L85 PathProgramCache]: Analyzing trace with hash 366314745, now seen corresponding path program 1 times [2021-11-25 18:43:04,687 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:43:04,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717946617] [2021-11-25 18:43:04,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:43:04,687 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:43:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:43:05,031 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2021-11-25 18:43:05,038 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:43:05,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717946617] [2021-11-25 18:43:05,038 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717946617] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:43:05,038 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:43:05,038 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:43:05,038 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779516540] [2021-11-25 18:43:05,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:43:05,039 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:43:05,039 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:43:05,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:43:05,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:43:05,040 INFO L87 Difference]: Start difference. First operand 7558 states and 11421 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-25 18:43:07,963 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:43:10,090 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:43:12,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:43:12,815 INFO L93 Difference]: Finished difference Result 14634 states and 23140 transitions. [2021-11-25 18:43:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:43:12,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 160 [2021-11-25 18:43:12,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:43:12,872 INFO L225 Difference]: With dead ends: 14634 [2021-11-25 18:43:12,872 INFO L226 Difference]: Without dead ends: 14632 [2021-11-25 18:43:12,879 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:43:12,879 INFO L933 BasicCegarLoop]: 10855 mSDtfsCounter, 8767 mSDsluCounter, 30917 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8769 SdHoareTripleChecker+Valid, 40630 SdHoareTripleChecker+Invalid, 1549 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:43:12,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8769 Valid, 40630 Invalid, 1549 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 1545 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2021-11-25 18:43:12,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14632 states. [2021-11-25 18:43:15,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14632 to 14454. [2021-11-25 18:43:15,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14454 states, 7672 states have (on average 1.2759384775808134) internal successors, (9789), 8699 states have internal predecessors, (9789), 5972 states have call successors, (5972), 844 states have call predecessors, (5972), 802 states have return successors, (7097), 5146 states have call predecessors, (7097), 5970 states have call successors, (7097) [2021-11-25 18:43:15,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14454 states to 14454 states and 22858 transitions. [2021-11-25 18:43:15,248 INFO L78 Accepts]: Start accepts. Automaton has 14454 states and 22858 transitions. Word has length 160 [2021-11-25 18:43:15,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:43:15,249 INFO L470 AbstractCegarLoop]: Abstraction has 14454 states and 22858 transitions. [2021-11-25 18:43:15,250 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2021-11-25 18:43:15,250 INFO L276 IsEmpty]: Start isEmpty. Operand 14454 states and 22858 transitions. [2021-11-25 18:43:15,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-25 18:43:15,253 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:43:15,254 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:43:15,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-25 18:43:15,254 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:43:15,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:43:15,255 INFO L85 PathProgramCache]: Analyzing trace with hash 552349495, now seen corresponding path program 1 times [2021-11-25 18:43:15,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:43:15,255 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212003060] [2021-11-25 18:43:15,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:43:15,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:43:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:43:15,509 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:43:15,509 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:43:15,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212003060] [2021-11-25 18:43:15,510 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212003060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:43:15,510 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:43:15,510 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:43:15,510 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499558525] [2021-11-25 18:43:15,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:43:15,511 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:43:15,511 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:43:15,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:43:15,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:43:15,512 INFO L87 Difference]: Start difference. First operand 14454 states and 22858 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-25 18:43:18,645 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:43:20,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:43:20,449 INFO L93 Difference]: Finished difference Result 14460 states and 22862 transitions. [2021-11-25 18:43:20,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:43:20,449 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 134 [2021-11-25 18:43:20,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:43:20,506 INFO L225 Difference]: With dead ends: 14460 [2021-11-25 18:43:20,506 INFO L226 Difference]: Without dead ends: 14458 [2021-11-25 18:43:20,512 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:43:20,513 INFO L933 BasicCegarLoop]: 8421 mSDtfsCounter, 8427 mSDsluCounter, 9771 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8435 SdHoareTripleChecker+Valid, 17755 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:43:20,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8435 Valid, 17755 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2021-11-25 18:43:20,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14458 states. [2021-11-25 18:43:22,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14458 to 14452. [2021-11-25 18:43:22,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14452 states, 7671 states have (on average 1.2758440881241038) internal successors, (9787), 8697 states have internal predecessors, (9787), 5972 states have call successors, (5972), 844 states have call predecessors, (5972), 802 states have return successors, (7097), 5146 states have call predecessors, (7097), 5970 states have call successors, (7097) [2021-11-25 18:43:22,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14452 states to 14452 states and 22856 transitions. [2021-11-25 18:43:22,766 INFO L78 Accepts]: Start accepts. Automaton has 14452 states and 22856 transitions. Word has length 134 [2021-11-25 18:43:22,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:43:22,767 INFO L470 AbstractCegarLoop]: Abstraction has 14452 states and 22856 transitions. [2021-11-25 18:43:22,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-25 18:43:22,768 INFO L276 IsEmpty]: Start isEmpty. Operand 14452 states and 22856 transitions. [2021-11-25 18:43:22,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-25 18:43:22,772 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:43:22,772 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:43:22,772 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-25 18:43:22,773 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:43:22,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:43:22,773 INFO L85 PathProgramCache]: Analyzing trace with hash -37572139, now seen corresponding path program 1 times [2021-11-25 18:43:22,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:43:22,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976575149] [2021-11-25 18:43:22,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:43:22,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:43:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:43:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:43:23,014 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:43:23,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976575149] [2021-11-25 18:43:23,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976575149] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:43:23,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:43:23,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:43:23,015 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220381843] [2021-11-25 18:43:23,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:43:23,016 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:43:23,016 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:43:23,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:43:23,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:43:23,017 INFO L87 Difference]: Start difference. First operand 14452 states and 22856 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-25 18:43:26,595 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:43:28,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:43:28,485 INFO L93 Difference]: Finished difference Result 14458 states and 22860 transitions. [2021-11-25 18:43:28,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:43:28,485 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 139 [2021-11-25 18:43:28,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:43:28,537 INFO L225 Difference]: With dead ends: 14458 [2021-11-25 18:43:28,537 INFO L226 Difference]: Without dead ends: 14456 [2021-11-25 18:43:28,544 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:43:28,545 INFO L933 BasicCegarLoop]: 8418 mSDtfsCounter, 8424 mSDsluCounter, 9768 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8432 SdHoareTripleChecker+Valid, 17749 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:43:28,545 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8432 Valid, 17749 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 822 Invalid, 1 Unknown, 0 Unchecked, 4.3s Time] [2021-11-25 18:43:28,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14456 states. [2021-11-25 18:43:30,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14456 to 14450. [2021-11-25 18:43:30,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14450 states, 7670 states have (on average 1.2757496740547587) internal successors, (9785), 8695 states have internal predecessors, (9785), 5972 states have call successors, (5972), 844 states have call predecessors, (5972), 802 states have return successors, (7097), 5146 states have call predecessors, (7097), 5970 states have call successors, (7097) [2021-11-25 18:43:30,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14450 states to 14450 states and 22854 transitions. [2021-11-25 18:43:30,817 INFO L78 Accepts]: Start accepts. Automaton has 14450 states and 22854 transitions. Word has length 139 [2021-11-25 18:43:30,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:43:30,817 INFO L470 AbstractCegarLoop]: Abstraction has 14450 states and 22854 transitions. [2021-11-25 18:43:30,817 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-11-25 18:43:30,817 INFO L276 IsEmpty]: Start isEmpty. Operand 14450 states and 22854 transitions. [2021-11-25 18:43:30,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-25 18:43:30,822 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:43:30,822 INFO L514 BasicCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:43:30,822 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-25 18:43:30,823 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:43:30,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:43:30,823 INFO L85 PathProgramCache]: Analyzing trace with hash -126387051, now seen corresponding path program 1 times [2021-11-25 18:43:30,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:43:30,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894678802] [2021-11-25 18:43:30,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:43:30,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:43:30,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:43:31,080 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-11-25 18:43:31,081 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:43:31,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894678802] [2021-11-25 18:43:31,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894678802] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:43:31,081 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:43:31,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:43:31,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286424484] [2021-11-25 18:43:31,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:43:31,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:43:31,082 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:43:31,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:43:31,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:43:31,082 INFO L87 Difference]: Start difference. First operand 14450 states and 22854 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-25 18:43:34,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:43:36,861 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:43:38,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:43:38,505 INFO L93 Difference]: Finished difference Result 14450 states and 22854 transitions. [2021-11-25 18:43:38,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:43:38,505 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 144 [2021-11-25 18:43:38,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:43:38,570 INFO L225 Difference]: With dead ends: 14450 [2021-11-25 18:43:38,570 INFO L226 Difference]: Without dead ends: 14242 [2021-11-25 18:43:38,584 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:43:38,585 INFO L933 BasicCegarLoop]: 8163 mSDtfsCounter, 8509 mSDsluCounter, 8547 mSDsCounter, 0 mSdLazyCounter, 768 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8509 SdHoareTripleChecker+Valid, 16326 SdHoareTripleChecker+Invalid, 769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 768 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:43:38,586 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8509 Valid, 16326 Invalid, 769 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 768 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2021-11-25 18:43:38,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14242 states. [2021-11-25 18:43:40,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14242 to 14242. [2021-11-25 18:43:40,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14242 states, 7566 states have (on average 1.2776896642876023) internal successors, (9667), 8580 states have internal predecessors, (9667), 5888 states have call successors, (5888), 824 states have call predecessors, (5888), 783 states have return successors, (7015), 5065 states have call predecessors, (7015), 5888 states have call successors, (7015) [2021-11-25 18:43:41,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14242 states to 14242 states and 22570 transitions. [2021-11-25 18:43:41,022 INFO L78 Accepts]: Start accepts. Automaton has 14242 states and 22570 transitions. Word has length 144 [2021-11-25 18:43:41,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:43:41,023 INFO L470 AbstractCegarLoop]: Abstraction has 14242 states and 22570 transitions. [2021-11-25 18:43:41,023 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-25 18:43:41,023 INFO L276 IsEmpty]: Start isEmpty. Operand 14242 states and 22570 transitions. [2021-11-25 18:43:41,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2021-11-25 18:43:41,028 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:43:41,028 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:43:41,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-25 18:43:41,028 INFO L402 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:43:41,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:43:41,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1889347409, now seen corresponding path program 1 times [2021-11-25 18:43:41,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:43:41,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920809611] [2021-11-25 18:43:41,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:43:41,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:43:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:43:41,370 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2021-11-25 18:43:41,370 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:43:41,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920809611] [2021-11-25 18:43:41,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1920809611] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:43:41,371 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:43:41,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:43:41,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290065241] [2021-11-25 18:43:41,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:43:41,372 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:43:41,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:43:41,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:43:41,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:43:41,373 INFO L87 Difference]: Start difference. First operand 14242 states and 22570 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2021-11-25 18:43:45,702 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:43:48,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:43:48,058 INFO L93 Difference]: Finished difference Result 28472 states and 45229 transitions. [2021-11-25 18:43:48,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:43:48,058 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 183 [2021-11-25 18:43:48,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:43:48,124 INFO L225 Difference]: With dead ends: 28472 [2021-11-25 18:43:48,124 INFO L226 Difference]: Without dead ends: 14250 [2021-11-25 18:43:48,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:43:48,240 INFO L933 BasicCegarLoop]: 7978 mSDtfsCounter, 5 mSDsluCounter, 16660 mSDsCounter, 0 mSdLazyCounter, 1078 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 23929 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1078 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:43:48,241 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 23929 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1078 Invalid, 1 Unknown, 0 Unchecked, 5.0s Time] [2021-11-25 18:43:48,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14250 states. [2021-11-25 18:43:50,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14250 to 14250. [2021-11-25 18:43:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14250 states, 7572 states have (on average 1.2774696249339672) internal successors, (9673), 8588 states have internal predecessors, (9673), 5888 states have call successors, (5888), 824 states have call predecessors, (5888), 785 states have return successors, (7019), 5065 states have call predecessors, (7019), 5888 states have call successors, (7019) [2021-11-25 18:43:50,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14250 states to 14250 states and 22580 transitions. [2021-11-25 18:43:50,317 INFO L78 Accepts]: Start accepts. Automaton has 14250 states and 22580 transitions. Word has length 183 [2021-11-25 18:43:50,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:43:50,318 INFO L470 AbstractCegarLoop]: Abstraction has 14250 states and 22580 transitions. [2021-11-25 18:43:50,318 INFO L471 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) [2021-11-25 18:43:50,319 INFO L276 IsEmpty]: Start isEmpty. Operand 14250 states and 22580 transitions. [2021-11-25 18:43:50,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-11-25 18:43:50,322 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:43:50,323 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:43:50,323 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2021-11-25 18:43:50,323 INFO L402 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)] === [2021-11-25 18:43:50,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:43:50,324 INFO L85 PathProgramCache]: Analyzing trace with hash -292601829, now seen corresponding path program 1 times [2021-11-25 18:43:50,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:43:50,324 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692866607] [2021-11-25 18:43:50,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:43:50,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:43:50,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:43:50,642 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-11-25 18:43:50,642 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:43:50,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692866607] [2021-11-25 18:43:50,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692866607] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:43:50,643 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:43:50,643 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:43:50,643 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401520328] [2021-11-25 18:43:50,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:43:50,644 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:43:50,644 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:43:50,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:43:50,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:43:50,645 INFO L87 Difference]: Start difference. First operand 14250 states and 22580 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) [2021-11-25 18:43:54,955 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:43:56,519 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:43:58,537 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:44:00,535 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:44:02,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:44:02,716 INFO L93 Difference]: Finished difference Result 14302 states and 22622 transitions. [2021-11-25 18:44:02,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:44:02,717 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 [2021-11-25 18:44:02,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:44:02,773 INFO L225 Difference]: With dead ends: 14302 [2021-11-25 18:44:02,773 INFO L226 Difference]: Without dead ends: 14300 [2021-11-25 18:44:02,782 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:44:02,782 INFO L933 BasicCegarLoop]: 7982 mSDtfsCounter, 53 mSDsluCounter, 24968 mSDsCounter, 0 mSdLazyCounter, 1441 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 31878 SdHoareTripleChecker+Invalid, 1443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1441 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:44:02,783 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 31878 Invalid, 1443 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1441 Invalid, 1 Unknown, 0 Unchecked, 11.0s Time] [2021-11-25 18:44:02,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14300 states. [2021-11-25 18:44:04,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14300 to 14300. [2021-11-25 18:44:04,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14300 states, 7604 states have (on average 1.2769594950026302) internal successors, (9710), 8620 states have internal predecessors, (9710), 5888 states have call successors, (5888), 842 states have call predecessors, (5888), 803 states have return successors, (7019), 5065 states have call predecessors, (7019), 5888 states have call successors, (7019) [2021-11-25 18:44:04,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14300 states to 14300 states and 22617 transitions. [2021-11-25 18:44:05,001 INFO L78 Accepts]: Start accepts. Automaton has 14300 states and 22617 transitions. Word has length 192 [2021-11-25 18:44:05,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:44:05,002 INFO L470 AbstractCegarLoop]: Abstraction has 14300 states and 22617 transitions. [2021-11-25 18:44:05,002 INFO L471 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) [2021-11-25 18:44:05,003 INFO L276 IsEmpty]: Start isEmpty. Operand 14300 states and 22617 transitions. [2021-11-25 18:44:05,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2021-11-25 18:44:05,007 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:44:05,008 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:44:05,008 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2021-11-25 18:44:05,008 INFO L402 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)] === [2021-11-25 18:44:05,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:44:05,009 INFO L85 PathProgramCache]: Analyzing trace with hash -855175443, now seen corresponding path program 1 times [2021-11-25 18:44:05,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:44:05,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994066787] [2021-11-25 18:44:05,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:44:05,010 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:44:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:44:05,926 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 7 proven. 48 refuted. 0 times theorem prover too weak. 373 trivial. 0 not checked. [2021-11-25 18:44:05,926 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:44:05,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994066787] [2021-11-25 18:44:05,927 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994066787] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-25 18:44:05,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962212695] [2021-11-25 18:44:05,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:44:05,927 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:44:05,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:44:05,933 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:44:05,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-25 18:44:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:44:08,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 4927 conjuncts, 20 conjunts are in the unsatisfiable core [2021-11-25 18:44:08,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:44:09,547 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2021-11-25 18:44:09,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:44:09,548 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962212695] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:44:09,548 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-25 18:44:09,548 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [9] total 18 [2021-11-25 18:44:09,549 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203078878] [2021-11-25 18:44:09,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:44:09,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-25 18:44:09,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:44:09,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-25 18:44:09,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2021-11-25 18:44:09,550 INFO L87 Difference]: Start difference. First operand 14300 states and 22617 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) [2021-11-25 18:44:19,949 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:44:28,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:44:28,668 INFO L93 Difference]: Finished difference Result 34835 states and 55862 transitions. [2021-11-25 18:44:28,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-11-25 18:44:28,669 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 [2021-11-25 18:44:28,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:44:28,751 INFO L225 Difference]: With dead ends: 34835 [2021-11-25 18:44:28,751 INFO L226 Difference]: Without dead ends: 20553 [2021-11-25 18:44:29,071 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=494, Unknown=0, NotChecked=0, Total=552 [2021-11-25 18:44:29,077 INFO L933 BasicCegarLoop]: 12717 mSDtfsCounter, 2213 mSDsluCounter, 140770 mSDsCounter, 0 mSdLazyCounter, 9717 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3687 SdHoareTripleChecker+Valid, 148475 SdHoareTripleChecker+Invalid, 9720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9717 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:44:29,078 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3687 Valid, 148475 Invalid, 9720 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [2 Valid, 9717 Invalid, 1 Unknown, 0 Unchecked, 16.2s Time] [2021-11-25 18:44:29,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20553 states. [2021-11-25 18:44:32,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20553 to 14312. [2021-11-25 18:44:32,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14312 states, 7612 states have (on average 1.2766684182869155) internal successors, (9718), 8626 states have internal predecessors, (9718), 5892 states have call successors, (5892), 842 states have call predecessors, (5892), 803 states have return successors, (7023), 5071 states have call predecessors, (7023), 5892 states have call successors, (7023) [2021-11-25 18:44:32,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14312 states to 14312 states and 22633 transitions. [2021-11-25 18:44:32,210 INFO L78 Accepts]: Start accepts. Automaton has 14312 states and 22633 transitions. Word has length 206 [2021-11-25 18:44:32,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:44:32,211 INFO L470 AbstractCegarLoop]: Abstraction has 14312 states and 22633 transitions. [2021-11-25 18:44:32,211 INFO L471 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) [2021-11-25 18:44:32,211 INFO L276 IsEmpty]: Start isEmpty. Operand 14312 states and 22633 transitions. [2021-11-25 18:44:32,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-11-25 18:44:32,218 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:44:32,219 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:44:32,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-25 18:44:32,444 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-11-25 18:44:32,444 INFO L402 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)] === [2021-11-25 18:44:32,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:44:32,445 INFO L85 PathProgramCache]: Analyzing trace with hash -843627856, now seen corresponding path program 1 times [2021-11-25 18:44:32,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:44:32,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148211754] [2021-11-25 18:44:32,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:44:32,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:44:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:44:32,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1059 trivial. 0 not checked. [2021-11-25 18:44:32,822 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:44:32,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148211754] [2021-11-25 18:44:32,822 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148211754] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:44:32,822 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:44:32,822 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:44:32,823 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928818555] [2021-11-25 18:44:32,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:44:32,824 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:44:32,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:44:32,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:44:32,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:44:32,825 INFO L87 Difference]: Start difference. First operand 14312 states and 22633 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) [2021-11-25 18:44:35,982 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:44:40,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:44:40,736 INFO L93 Difference]: Finished difference Result 25246 states and 40329 transitions. [2021-11-25 18:44:40,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:44:40,737 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 [2021-11-25 18:44:40,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:44:40,853 INFO L225 Difference]: With dead ends: 25246 [2021-11-25 18:44:40,853 INFO L226 Difference]: Without dead ends: 25244 [2021-11-25 18:44:40,866 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:44:40,867 INFO L933 BasicCegarLoop]: 10198 mSDtfsCounter, 7806 mSDsluCounter, 29197 mSDsCounter, 0 mSdLazyCounter, 1457 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7814 SdHoareTripleChecker+Valid, 38326 SdHoareTripleChecker+Invalid, 1461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1457 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:44:40,868 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7814 Valid, 38326 Invalid, 1461 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [3 Valid, 1457 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2021-11-25 18:44:40,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25244 states. [2021-11-25 18:44:44,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25244 to 25234. [2021-11-25 18:44:44,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25234 states, 13398 states have (on average 1.2792954172264517) internal successors, (17140), 15251 states have internal predecessors, (17140), 10542 states have call successors, (10542), 1357 states have call predecessors, (10542), 1289 states have return successors, (12636), 9052 states have call predecessors, (12636), 10542 states have call successors, (12636) [2021-11-25 18:44:44,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25234 states to 25234 states and 40318 transitions. [2021-11-25 18:44:44,768 INFO L78 Accepts]: Start accepts. Automaton has 25234 states and 40318 transitions. Word has length 237 [2021-11-25 18:44:44,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:44:44,769 INFO L470 AbstractCegarLoop]: Abstraction has 25234 states and 40318 transitions. [2021-11-25 18:44:44,769 INFO L471 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) [2021-11-25 18:44:44,769 INFO L276 IsEmpty]: Start isEmpty. Operand 25234 states and 40318 transitions. [2021-11-25 18:44:44,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2021-11-25 18:44:44,786 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:44:44,787 INFO L514 BasicCegarLoop]: trace histogram [20, 20, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2021-11-25 18:44:44,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2021-11-25 18:44:44,787 INFO L402 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)] === [2021-11-25 18:44:44,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:44:44,788 INFO L85 PathProgramCache]: Analyzing trace with hash 49475503, now seen corresponding path program 1 times [2021-11-25 18:44:44,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:44:44,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177573032] [2021-11-25 18:44:44,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:44:44,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:44:44,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:44:45,661 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 821 trivial. 0 not checked. [2021-11-25 18:44:45,661 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:44:45,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177573032] [2021-11-25 18:44:45,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177573032] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:44:45,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:44:45,662 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 18:44:45,662 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797851397] [2021-11-25 18:44:45,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:44:45,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:44:45,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:44:45,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:44:45,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:44:45,664 INFO L87 Difference]: Start difference. First operand 25234 states and 40318 transitions. Second operand has 6 states, 6 states have (on average 16.5) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (41), 4 states have call predecessors, (41), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-25 18:44:51,136 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:45:01,825 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:45:13,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:45:13,496 INFO L93 Difference]: Finished difference Result 26738 states and 42812 transitions. [2021-11-25 18:45:13,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-25 18:45:13,497 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (41), 4 states have call predecessors, (41), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) Word has length 286 [2021-11-25 18:45:13,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:45:13,601 INFO L225 Difference]: With dead ends: 26738 [2021-11-25 18:45:13,601 INFO L226 Difference]: Without dead ends: 26736 [2021-11-25 18:45:13,710 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-11-25 18:45:13,711 INFO L933 BasicCegarLoop]: 5818 mSDtfsCounter, 6982 mSDsluCounter, 13807 mSDsCounter, 0 mSdLazyCounter, 12062 mSolverCounterSat, 5207 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8433 SdHoareTripleChecker+Valid, 18999 SdHoareTripleChecker+Invalid, 17270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5207 IncrementalHoareTripleChecker+Valid, 12062 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:45:13,711 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8433 Valid, 18999 Invalid, 17270 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5207 Valid, 12062 Invalid, 1 Unknown, 0 Unchecked, 24.6s Time] [2021-11-25 18:45:13,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26736 states. [2021-11-25 18:45:17,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26736 to 26730. [2021-11-25 18:45:17,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26730 states, 14143 states have (on average 1.275754790355653) internal successors, (18043), 16073 states have internal predecessors, (18043), 11100 states have call successors, (11100), 1487 states have call predecessors, (11100), 1482 states have return successors, (13657), 9613 states have call predecessors, (13657), 11100 states have call successors, (13657) [2021-11-25 18:45:17,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26730 states to 26730 states and 42800 transitions. [2021-11-25 18:45:17,856 INFO L78 Accepts]: Start accepts. Automaton has 26730 states and 42800 transitions. Word has length 286 [2021-11-25 18:45:17,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:45:17,857 INFO L470 AbstractCegarLoop]: Abstraction has 26730 states and 42800 transitions. [2021-11-25 18:45:17,857 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.5) internal successors, (99), 5 states have internal predecessors, (99), 3 states have call successors, (41), 4 states have call predecessors, (41), 2 states have return successors, (36), 3 states have call predecessors, (36), 3 states have call successors, (36) [2021-11-25 18:45:17,858 INFO L276 IsEmpty]: Start isEmpty. Operand 26730 states and 42800 transitions. [2021-11-25 18:45:17,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-25 18:45:17,873 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:45:17,873 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:45:17,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2021-11-25 18:45:17,874 INFO L402 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:45:17,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:45:17,875 INFO L85 PathProgramCache]: Analyzing trace with hash -94912742, now seen corresponding path program 1 times [2021-11-25 18:45:17,875 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:45:17,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433974818] [2021-11-25 18:45:17,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:45:17,875 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:45:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:45:18,372 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2021-11-25 18:45:18,373 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:45:18,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433974818] [2021-11-25 18:45:18,373 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433974818] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:45:18,373 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:45:18,373 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-25 18:45:18,373 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404674081] [2021-11-25 18:45:18,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:45:18,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-25 18:45:18,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:45:18,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-25 18:45:18,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2021-11-25 18:45:18,375 INFO L87 Difference]: Start difference. First operand 26730 states and 42800 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) [2021-11-25 18:45:23,549 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:45:28,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:45:28,688 INFO L93 Difference]: Finished difference Result 53480 states and 86029 transitions. [2021-11-25 18:45:28,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-25 18:45:28,688 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 [2021-11-25 18:45:28,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:45:28,800 INFO L225 Difference]: With dead ends: 53480 [2021-11-25 18:45:28,800 INFO L226 Difference]: Without dead ends: 26770 [2021-11-25 18:45:29,088 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:45:29,088 INFO L933 BasicCegarLoop]: 7979 mSDtfsCounter, 5 mSDsluCounter, 49986 mSDsCounter, 0 mSdLazyCounter, 2515 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 55843 SdHoareTripleChecker+Invalid, 2516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2515 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:45:29,089 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5 Valid, 55843 Invalid, 2516 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2515 Invalid, 1 Unknown, 0 Unchecked, 7.1s Time] [2021-11-25 18:45:29,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26770 states. [2021-11-25 18:45:33,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26770 to 26754. [2021-11-25 18:45:33,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26754 states, 14159 states have (on average 1.2754431810156084) internal successors, (18059), 16089 states have internal predecessors, (18059), 11100 states have call successors, (11100), 1487 states have call predecessors, (11100), 1490 states have return successors, (13677), 9621 states have call predecessors, (13677), 11100 states have call successors, (13677) [2021-11-25 18:45:33,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26754 states to 26754 states and 42836 transitions. [2021-11-25 18:45:33,465 INFO L78 Accepts]: Start accepts. Automaton has 26754 states and 42836 transitions. Word has length 261 [2021-11-25 18:45:33,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:45:33,466 INFO L470 AbstractCegarLoop]: Abstraction has 26754 states and 42836 transitions. [2021-11-25 18:45:33,466 INFO L471 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) [2021-11-25 18:45:33,466 INFO L276 IsEmpty]: Start isEmpty. Operand 26754 states and 42836 transitions. [2021-11-25 18:45:33,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-11-25 18:45:33,477 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:45:33,477 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:45:33,477 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2021-11-25 18:45:33,477 INFO L402 AbstractCegarLoop]: === Iteration 33 === 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)] === [2021-11-25 18:45:33,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:45:33,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1552529525, now seen corresponding path program 1 times [2021-11-25 18:45:33,478 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:45:33,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391868168] [2021-11-25 18:45:33,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:45:33,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:45:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:45:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 1194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1194 trivial. 0 not checked. [2021-11-25 18:45:34,260 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:45:34,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391868168] [2021-11-25 18:45:34,260 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391868168] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:45:34,260 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:45:34,260 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 18:45:34,261 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402691041] [2021-11-25 18:45:34,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:45:34,262 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:45:34,262 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:45:34,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:45:34,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:45:34,263 INFO L87 Difference]: Start difference. First operand 26754 states and 42836 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) [2021-11-25 18:45:39,199 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:45:44,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:45:44,334 INFO L93 Difference]: Finished difference Result 53426 states and 85952 transitions. [2021-11-25 18:45:44,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:45:44,335 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 [2021-11-25 18:45:44,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:45:44,505 INFO L225 Difference]: With dead ends: 53426 [2021-11-25 18:45:44,505 INFO L226 Difference]: Without dead ends: 26692 [2021-11-25 18:45:44,661 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:45:44,662 INFO L933 BasicCegarLoop]: 7986 mSDtfsCounter, 13 mSDsluCounter, 33328 mSDsCounter, 0 mSdLazyCounter, 1837 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 39892 SdHoareTripleChecker+Invalid, 1856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1837 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:45:44,662 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [15 Valid, 39892 Invalid, 1856 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 1837 Invalid, 1 Unknown, 0 Unchecked, 6.8s Time] [2021-11-25 18:45:44,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26692 states. [2021-11-25 18:45:48,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26692 to 26692. [2021-11-25 18:45:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26692 states, 14116 states have (on average 1.2752904505525644) internal successors, (18002), 16047 states have internal predecessors, (18002), 11081 states have call successors, (11081), 1488 states have call predecessors, (11081), 1490 states have return successors, (13652), 9598 states have call predecessors, (13652), 11081 states have call successors, (13652) [2021-11-25 18:45:48,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26692 states to 26692 states and 42735 transitions. [2021-11-25 18:45:48,945 INFO L78 Accepts]: Start accepts. Automaton has 26692 states and 42735 transitions. Word has length 292 [2021-11-25 18:45:48,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:45:48,945 INFO L470 AbstractCegarLoop]: Abstraction has 26692 states and 42735 transitions. [2021-11-25 18:45:48,946 INFO L471 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) [2021-11-25 18:45:48,946 INFO L276 IsEmpty]: Start isEmpty. Operand 26692 states and 42735 transitions. [2021-11-25 18:45:48,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-11-25 18:45:48,958 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:45:48,958 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:45:48,958 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-11-25 18:45:48,959 INFO L402 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2021-11-25 18:45:48,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:45:48,959 INFO L85 PathProgramCache]: Analyzing trace with hash -207857243, now seen corresponding path program 1 times [2021-11-25 18:45:48,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:45:48,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748045415] [2021-11-25 18:45:48,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:45:48,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:45:49,099 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:45:49,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [746199458] [2021-11-25 18:45:49,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:45:49,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:45:49,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:45:49,120 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:45:49,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-25 18:45:51,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:45:51,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 5559 conjuncts, 38 conjunts are in the unsatisfiable core [2021-11-25 18:45:51,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:45:52,055 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 198 proven. 0 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2021-11-25 18:45:52,056 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:45:52,056 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:45:52,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748045415] [2021-11-25 18:45:52,056 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:45:52,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [746199458] [2021-11-25 18:45:52,056 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [746199458] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:45:52,056 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:45:52,057 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-11-25 18:45:52,057 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26841167] [2021-11-25 18:45:52,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:45:52,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2021-11-25 18:45:52,058 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:45:52,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-11-25 18:45:52,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2021-11-25 18:45:52,058 INFO L87 Difference]: Start difference. First operand 26692 states and 42735 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) [2021-11-25 18:45:59,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:46:12,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:46:12,265 INFO L93 Difference]: Finished difference Result 65702 states and 106520 transitions. [2021-11-25 18:46:12,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-25 18:46:12,266 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 [2021-11-25 18:46:12,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:46:12,468 INFO L225 Difference]: With dead ends: 65702 [2021-11-25 18:46:12,468 INFO L226 Difference]: Without dead ends: 39026 [2021-11-25 18:46:12,591 INFO L932 BasicCegarLoop]: 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 [2021-11-25 18:46:12,592 INFO L933 BasicCegarLoop]: 12711 mSDtfsCounter, 2222 mSDsluCounter, 153832 mSDsCounter, 0 mSdLazyCounter, 10493 mSolverCounterSat, 11 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3704 SdHoareTripleChecker+Valid, 161079 SdHoareTripleChecker+Invalid, 10505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 10493 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:46:12,592 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3704 Valid, 161079 Invalid, 10505 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [11 Valid, 10493 Invalid, 1 Unknown, 0 Unchecked, 15.1s Time] [2021-11-25 18:46:12,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39026 states. [2021-11-25 18:46:18,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39026 to 26700. [2021-11-25 18:46:18,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26700 states, 14120 states have (on average 1.275212464589235) internal successors, (18006), 16055 states have internal predecessors, (18006), 11081 states have call successors, (11081), 1488 states have call predecessors, (11081), 1494 states have return successors, (13684), 9598 states have call predecessors, (13684), 11081 states have call successors, (13684) [2021-11-25 18:46:18,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26700 states to 26700 states and 42771 transitions. [2021-11-25 18:46:18,489 INFO L78 Accepts]: Start accepts. Automaton has 26700 states and 42771 transitions. Word has length 278 [2021-11-25 18:46:18,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:46:18,489 INFO L470 AbstractCegarLoop]: Abstraction has 26700 states and 42771 transitions. [2021-11-25 18:46:18,489 INFO L471 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) [2021-11-25 18:46:18,490 INFO L276 IsEmpty]: Start isEmpty. Operand 26700 states and 42771 transitions. [2021-11-25 18:46:18,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-25 18:46:18,502 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:46:18,502 INFO L514 BasicCegarLoop]: 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] [2021-11-25 18:46:18,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-25 18:46:18,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:46:18,703 INFO L402 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)] === [2021-11-25 18:46:18,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:46:18,704 INFO L85 PathProgramCache]: Analyzing trace with hash 325358152, now seen corresponding path program 1 times [2021-11-25 18:46:18,704 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:46:18,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733279569] [2021-11-25 18:46:18,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:46:18,704 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:46:18,856 ERROR L247 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2021-11-25 18:46:18,857 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1513154797] [2021-11-25 18:46:18,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:46:18,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-25 18:46:18,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:46:18,873 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-25 18:46:18,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_99523499-11f3-4be6-9923-fa7cffe14dd6/bin/utaipan-eEHZpOm5b7/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-25 18:46:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:46:21,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 5705 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-25 18:46:21,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-25 18:46:21,745 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2021-11-25 18:46:21,745 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-25 18:46:21,745 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:46:21,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [733279569] [2021-11-25 18:46:21,745 WARN L312 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2021-11-25 18:46:21,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513154797] [2021-11-25 18:46:21,746 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513154797] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:46:21,746 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:46:21,746 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:46:21,746 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388166951] [2021-11-25 18:46:21,746 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:46:21,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:46:21,747 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:46:21,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:46:21,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:46:21,748 INFO L87 Difference]: Start difference. First operand 26700 states and 42771 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) [2021-11-25 18:46:24,737 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:46:28,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:46:28,746 INFO L93 Difference]: Finished difference Result 53416 states and 86003 transitions. [2021-11-25 18:46:28,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:46:28,746 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 [2021-11-25 18:46:28,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:46:28,888 INFO L225 Difference]: With dead ends: 53416 [2021-11-25 18:46:28,888 INFO L226 Difference]: Without dead ends: 26736