./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--net--team--team.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_d1d5f39b-586b-4574-8867-d973c5fe3aa6/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/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_d1d5f39b-586b-4574-8867-d973c5fe3aa6/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/bin/utaipan-eEHZpOm5b7/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/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_d1d5f39b-586b-4574-8867-d973c5fe3aa6/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 c2e40c074e34eae853879e913dea35acffb5001042b37759d8583ab68da2fb52 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 18:06:45,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 18:06:45,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 18:06:45,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 18:06:45,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 18:06:45,975 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 18:06:45,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 18:06:45,982 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 18:06:45,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 18:06:45,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 18:06:45,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 18:06:45,999 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 18:06:46,000 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 18:06:46,003 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 18:06:46,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 18:06:46,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 18:06:46,015 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 18:06:46,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 18:06:46,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 18:06:46,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 18:06:46,032 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 18:06:46,034 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 18:06:46,038 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 18:06:46,039 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 18:06:46,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 18:06:46,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 18:06:46,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 18:06:46,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 18:06:46,056 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 18:06:46,058 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 18:06:46,058 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 18:06:46,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 18:06:46,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 18:06:46,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 18:06:46,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 18:06:46,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 18:06:46,067 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 18:06:46,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 18:06:46,068 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 18:06:46,069 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 18:06:46,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 18:06:46,071 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 18:06:46,128 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 18:06:46,128 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 18:06:46,129 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 18:06:46,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 18:06:46,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 18:06:46,139 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 18:06:46,139 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 18:06:46,140 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 18:06:46,140 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 18:06:46,140 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 18:06:46,142 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 18:06:46,142 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 18:06:46,142 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 18:06:46,143 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 18:06:46,143 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 18:06:46,143 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 18:06:46,143 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 18:06:46,144 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 18:06:46,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 18:06:46,145 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 18:06:46,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 18:06:46,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 18:06:46,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 18:06:46,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 18:06:46,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 18:06:46,147 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 18:06:46,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 18:06:46,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 18:06:46,149 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 18:06:46,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:06:46,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 18:06:46,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 18:06:46,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 18:06:46,151 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 18:06:46,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 18:06:46,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 18:06:46,152 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 18:06:46,152 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 18:06:46,152 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_d1d5f39b-586b-4574-8867-d973c5fe3aa6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2e40c074e34eae853879e913dea35acffb5001042b37759d8583ab68da2fb52 [2021-11-25 18:06:46,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 18:06:46,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 18:06:46,568 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 18:06:46,570 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 18:06:46,571 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 18:06:46,572 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i [2021-11-25 18:06:46,675 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/bin/utaipan-eEHZpOm5b7/data/2c338a82a/2f8e46faad084bb09e03a0602d1e4b7c/FLAGece437e5f [2021-11-25 18:06:47,950 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 18:06:47,951 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i [2021-11-25 18:06:48,035 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/bin/utaipan-eEHZpOm5b7/data/2c338a82a/2f8e46faad084bb09e03a0602d1e4b7c/FLAGece437e5f [2021-11-25 18:06:48,137 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/bin/utaipan-eEHZpOm5b7/data/2c338a82a/2f8e46faad084bb09e03a0602d1e4b7c [2021-11-25 18:06:48,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 18:06:48,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 18:06:48,141 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 18:06:48,141 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 18:06:48,144 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 18:06:48,145 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:06:48" (1/1) ... [2021-11-25 18:06:48,146 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fa3e1df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:48, skipping insertion in model container [2021-11-25 18:06:48,146 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 06:06:48" (1/1) ... [2021-11-25 18:06:48,153 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 18:06:48,408 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 18:06:55,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552584,552597] [2021-11-25 18:06:55,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552729,552742] [2021-11-25 18:06:55,121 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552875,552888] [2021-11-25 18:06:55,127 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553040,553053] [2021-11-25 18:06:55,134 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553198,553211] [2021-11-25 18:06:55,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553356,553369] [2021-11-25 18:06:55,135 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553514,553527] [2021-11-25 18:06:55,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553674,553687] [2021-11-25 18:06:55,136 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553833,553846] [2021-11-25 18:06:55,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553972,553985] [2021-11-25 18:06:55,137 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554114,554127] [2021-11-25 18:06:55,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554263,554276] [2021-11-25 18:06:55,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554402,554415] [2021-11-25 18:06:55,144 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554557,554570] [2021-11-25 18:06:55,145 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554717,554730] [2021-11-25 18:06:55,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554868,554881] [2021-11-25 18:06:55,146 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555019,555032] [2021-11-25 18:06:55,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555171,555184] [2021-11-25 18:06:55,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555320,555333] [2021-11-25 18:06:55,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555468,555481] [2021-11-25 18:06:55,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555625,555638] [2021-11-25 18:06:55,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555774,555787] [2021-11-25 18:06:55,152 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555930,555943] [2021-11-25 18:06:55,153 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556083,556096] [2021-11-25 18:06:55,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556229,556242] [2021-11-25 18:06:55,154 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556372,556385] [2021-11-25 18:06:55,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556524,556537] [2021-11-25 18:06:55,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556670,556683] [2021-11-25 18:06:55,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556815,556828] [2021-11-25 18:06:55,157 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556969,556982] [2021-11-25 18:06:55,160 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557120,557133] [2021-11-25 18:06:55,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557275,557288] [2021-11-25 18:06:55,161 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557427,557440] [2021-11-25 18:06:55,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557582,557595] [2021-11-25 18:06:55,162 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557746,557759] [2021-11-25 18:06:55,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557902,557915] [2021-11-25 18:06:55,167 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558066,558079] [2021-11-25 18:06:55,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558208,558221] [2021-11-25 18:06:55,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558366,558379] [2021-11-25 18:06:55,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558533,558546] [2021-11-25 18:06:55,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558692,558705] [2021-11-25 18:06:55,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558851,558864] [2021-11-25 18:06:55,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559000,559013] [2021-11-25 18:06:55,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559147,559160] [2021-11-25 18:06:55,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559286,559299] [2021-11-25 18:06:55,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559449,559462] [2021-11-25 18:06:55,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559615,559628] [2021-11-25 18:06:55,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559779,559792] [2021-11-25 18:06:55,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559944,559957] [2021-11-25 18:06:55,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560109,560122] [2021-11-25 18:06:55,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560275,560288] [2021-11-25 18:06:55,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560440,560453] [2021-11-25 18:06:55,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560607,560620] [2021-11-25 18:06:55,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560767,560780] [2021-11-25 18:06:55,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560929,560942] [2021-11-25 18:06:55,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561088,561101] [2021-11-25 18:06:55,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561234,561247] [2021-11-25 18:06:55,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561377,561390] [2021-11-25 18:06:55,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561521,561534] [2021-11-25 18:06:55,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561664,561677] [2021-11-25 18:06:55,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561808,561821] [2021-11-25 18:06:55,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561949,561962] [2021-11-25 18:06:55,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562087,562100] [2021-11-25 18:06:55,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562245,562258] [2021-11-25 18:06:55,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562404,562417] [2021-11-25 18:06:55,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562560,562573] [2021-11-25 18:06:55,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562709,562722] [2021-11-25 18:06:55,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562861,562874] [2021-11-25 18:06:55,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563012,563025] [2021-11-25 18:06:55,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563161,563174] [2021-11-25 18:06:55,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563313,563326] [2021-11-25 18:06:55,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563461,563474] [2021-11-25 18:06:55,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563614,563627] [2021-11-25 18:06:55,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563765,563778] [2021-11-25 18:06:55,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563915,563928] [2021-11-25 18:06:55,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564062,564075] [2021-11-25 18:06:55,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564213,564226] [2021-11-25 18:06:55,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564364,564377] [2021-11-25 18:06:55,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564512,564525] [2021-11-25 18:06:55,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564678,564691] [2021-11-25 18:06:55,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564847,564860] [2021-11-25 18:06:55,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565014,565027] [2021-11-25 18:06:55,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565182,565195] [2021-11-25 18:06:55,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565332,565345] [2021-11-25 18:06:55,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565479,565492] [2021-11-25 18:06:55,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565640,565653] [2021-11-25 18:06:55,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565810,565823] [2021-11-25 18:06:55,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565972,565985] [2021-11-25 18:06:55,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:06:55,273 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 18:06:55,876 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552584,552597] [2021-11-25 18:06:55,877 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552729,552742] [2021-11-25 18:06:55,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552875,552888] [2021-11-25 18:06:55,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553040,553053] [2021-11-25 18:06:55,878 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553198,553211] [2021-11-25 18:06:55,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553356,553369] [2021-11-25 18:06:55,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553514,553527] [2021-11-25 18:06:55,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553674,553687] [2021-11-25 18:06:55,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553833,553846] [2021-11-25 18:06:55,880 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553972,553985] [2021-11-25 18:06:55,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554114,554127] [2021-11-25 18:06:55,881 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554263,554276] [2021-11-25 18:06:55,882 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554402,554415] [2021-11-25 18:06:55,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554557,554570] [2021-11-25 18:06:55,883 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554717,554730] [2021-11-25 18:06:55,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554868,554881] [2021-11-25 18:06:55,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555019,555032] [2021-11-25 18:06:55,884 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555171,555184] [2021-11-25 18:06:55,885 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555320,555333] [2021-11-25 18:06:55,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555468,555481] [2021-11-25 18:06:55,886 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555625,555638] [2021-11-25 18:06:55,887 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555774,555787] [2021-11-25 18:06:55,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555930,555943] [2021-11-25 18:06:55,888 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556083,556096] [2021-11-25 18:06:55,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556229,556242] [2021-11-25 18:06:55,889 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556372,556385] [2021-11-25 18:06:55,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556524,556537] [2021-11-25 18:06:55,890 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556670,556683] [2021-11-25 18:06:55,891 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556815,556828] [2021-11-25 18:06:55,891 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556969,556982] [2021-11-25 18:06:55,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557120,557133] [2021-11-25 18:06:55,892 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557275,557288] [2021-11-25 18:06:55,893 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557427,557440] [2021-11-25 18:06:55,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557582,557595] [2021-11-25 18:06:55,894 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557746,557759] [2021-11-25 18:06:55,895 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557902,557915] [2021-11-25 18:06:55,895 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558066,558079] [2021-11-25 18:06:55,896 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558208,558221] [2021-11-25 18:06:55,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558366,558379] [2021-11-25 18:06:55,897 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558533,558546] [2021-11-25 18:06:55,898 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558692,558705] [2021-11-25 18:06:55,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558851,558864] [2021-11-25 18:06:55,899 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559000,559013] [2021-11-25 18:06:55,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559147,559160] [2021-11-25 18:06:55,900 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559286,559299] [2021-11-25 18:06:55,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559449,559462] [2021-11-25 18:06:55,901 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559615,559628] [2021-11-25 18:06:55,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559779,559792] [2021-11-25 18:06:55,902 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559944,559957] [2021-11-25 18:06:55,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560109,560122] [2021-11-25 18:06:55,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560275,560288] [2021-11-25 18:06:55,903 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560440,560453] [2021-11-25 18:06:55,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560607,560620] [2021-11-25 18:06:55,905 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560767,560780] [2021-11-25 18:06:55,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560929,560942] [2021-11-25 18:06:55,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561088,561101] [2021-11-25 18:06:55,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561234,561247] [2021-11-25 18:06:55,910 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561377,561390] [2021-11-25 18:06:55,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561521,561534] [2021-11-25 18:06:55,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561664,561677] [2021-11-25 18:06:55,912 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561808,561821] [2021-11-25 18:06:55,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561949,561962] [2021-11-25 18:06:55,918 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562087,562100] [2021-11-25 18:06:55,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562245,562258] [2021-11-25 18:06:55,920 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562404,562417] [2021-11-25 18:06:55,925 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562560,562573] [2021-11-25 18:06:55,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562709,562722] [2021-11-25 18:06:55,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562861,562874] [2021-11-25 18:06:55,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563012,563025] [2021-11-25 18:06:55,927 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563161,563174] [2021-11-25 18:06:55,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563313,563326] [2021-11-25 18:06:55,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563461,563474] [2021-11-25 18:06:55,928 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563614,563627] [2021-11-25 18:06:55,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563765,563778] [2021-11-25 18:06:55,929 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563915,563928] [2021-11-25 18:06:55,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564062,564075] [2021-11-25 18:06:55,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564213,564226] [2021-11-25 18:06:55,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564364,564377] [2021-11-25 18:06:55,932 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564512,564525] [2021-11-25 18:06:55,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564678,564691] [2021-11-25 18:06:55,933 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564847,564860] [2021-11-25 18:06:55,934 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565014,565027] [2021-11-25 18:06:55,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565182,565195] [2021-11-25 18:06:55,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565332,565345] [2021-11-25 18:06:55,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565479,565492] [2021-11-25 18:06:55,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565640,565653] [2021-11-25 18:06:55,936 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565810,565823] [2021-11-25 18:06:55,937 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565972,565985] [2021-11-25 18:06:55,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 18:06:56,558 INFO L208 MainTranslator]: Completed translation [2021-11-25 18:06:56,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:56 WrapperNode [2021-11-25 18:06:56,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 18:06:56,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 18:06:56,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 18:06:56,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 18:06:56,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:56" (1/1) ... [2021-11-25 18:06:56,711 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:56" (1/1) ... [2021-11-25 18:06:56,979 INFO L137 Inliner]: procedures = 918, calls = 3166, calls flagged for inlining = 418, calls inlined = 342, statements flattened = 7986 [2021-11-25 18:06:56,980 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 18:06:56,980 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 18:06:56,980 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 18:06:56,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 18:06:56,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:56" (1/1) ... [2021-11-25 18:06:56,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:56" (1/1) ... [2021-11-25 18:06:57,043 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:56" (1/1) ... [2021-11-25 18:06:57,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:56" (1/1) ... [2021-11-25 18:06:57,262 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:56" (1/1) ... [2021-11-25 18:06:57,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:56" (1/1) ... [2021-11-25 18:06:57,343 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:56" (1/1) ... [2021-11-25 18:06:57,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 18:06:57,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 18:06:57,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 18:06:57,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 18:06:57,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:56" (1/1) ... [2021-11-25 18:06:57,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 18:06:57,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 18:06:57,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 18:06:57,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1d5f39b-586b-4574-8867-d973c5fe3aa6/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 18:06:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2021-11-25 18:06:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2021-11-25 18:06:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2021-11-25 18:06:57,467 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2021-11-25 18:06:57,467 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_get [2021-11-25 18:06:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_get [2021-11-25 18:06:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2021-11-25 18:06:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2021-11-25 18:06:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2021-11-25 18:06:57,468 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2021-11-25 18:06:57,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_131 [2021-11-25 18:06:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_131 [2021-11-25 18:06:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2021-11-25 18:06:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2021-11-25 18:06:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_set [2021-11-25 18:06:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_set [2021-11-25 18:06:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2021-11-25 18:06:57,470 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2021-11-25 18:06:57,470 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_if_positive [2021-11-25 18:06:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_if_positive [2021-11-25 18:06:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 18:06:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2021-11-25 18:06:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 18:06:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 18:06:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2021-11-25 18:06:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2021-11-25 18:06:57,471 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2021-11-25 18:06:57,471 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2021-11-25 18:06:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_get [2021-11-25 18:06:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_get [2021-11-25 18:06:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-25 18:06:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2021-11-25 18:06:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2021-11-25 18:06:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2021-11-25 18:06:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 18:06:57,472 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 18:06:57,472 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2021-11-25 18:06:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2021-11-25 18:06:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-25 18:06:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-25 18:06:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2021-11-25 18:06:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2021-11-25 18:06:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_set [2021-11-25 18:06:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_set [2021-11-25 18:06:57,473 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2021-11-25 18:06:57,473 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2021-11-25 18:06:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2021-11-25 18:06:57,474 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2021-11-25 18:06:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2021-11-25 18:06:57,474 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2021-11-25 18:06:57,474 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2021-11-25 18:06:57,474 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2021-11-25 18:06:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 18:06:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 18:06:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2021-11-25 18:06:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2021-11-25 18:06:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2021-11-25 18:06:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2021-11-25 18:06:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2021-11-25 18:06:57,475 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2021-11-25 18:06:57,475 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2021-11-25 18:06:57,476 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2021-11-25 18:06:57,476 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2021-11-25 18:06:57,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2021-11-25 18:06:57,477 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 18:06:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 18:06:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 18:06:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2021-11-25 18:06:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2021-11-25 18:06:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2021-11-25 18:06:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 18:06:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 18:06:57,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2021-11-25 18:06:57,481 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2021-11-25 18:06:57,482 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2021-11-25 18:06:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2021-11-25 18:06:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2021-11-25 18:06:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-25 18:06:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-25 18:06:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2021-11-25 18:06:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2021-11-25 18:06:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2021-11-25 18:06:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2021-11-25 18:06:57,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 18:06:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2021-11-25 18:06:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2021-11-25 18:06:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2021-11-25 18:06:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 18:06:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-25 18:06:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-25 18:06:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 18:06:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 18:06:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 18:06:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 18:06:57,484 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 18:06:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_get [2021-11-25 18:06:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_get [2021-11-25 18:06:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_set [2021-11-25 18:06:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_set [2021-11-25 18:06:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_48 [2021-11-25 18:06:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_48 [2021-11-25 18:06:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2021-11-25 18:06:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2021-11-25 18:06:57,485 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 18:06:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 18:06:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_get [2021-11-25 18:06:57,486 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_get [2021-11-25 18:06:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2021-11-25 18:06:57,486 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2021-11-25 18:06:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2021-11-25 18:06:57,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2021-11-25 18:06:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_team [2021-11-25 18:06:57,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_team [2021-11-25 18:06:57,486 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2021-11-25 18:06:57,486 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2021-11-25 18:06:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2021-11-25 18:06:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2021-11-25 18:06:57,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 18:06:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 18:06:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_noop [2021-11-25 18:06:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_noop [2021-11-25 18:06:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2021-11-25 18:06:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2021-11-25 18:06:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2021-11-25 18:06:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2021-11-25 18:06:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 18:06:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2021-11-25 18:06:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2021-11-25 18:06:57,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_11 [2021-11-25 18:06:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_11 [2021-11-25 18:06:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 18:06:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 18:06:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2021-11-25 18:06:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2021-11-25 18:06:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2021-11-25 18:06:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2021-11-25 18:06:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 18:06:57,489 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2021-11-25 18:06:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2021-11-25 18:06:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2021-11-25 18:06:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2021-11-25 18:06:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2021-11-25 18:06:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2021-11-25 18:06:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_36 [2021-11-25 18:06:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_36 [2021-11-25 18:06:57,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 18:06:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 18:06:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2021-11-25 18:06:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2021-11-25 18:06:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_29 [2021-11-25 18:06:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_29 [2021-11-25 18:06:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2021-11-25 18:06:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2021-11-25 18:06:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2021-11-25 18:06:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2021-11-25 18:06:57,491 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_get [2021-11-25 18:06:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_get [2021-11-25 18:06:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2021-11-25 18:06:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2021-11-25 18:06:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 18:06:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2021-11-25 18:06:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 18:06:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-25 18:06:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-25 18:06:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 18:06:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2021-11-25 18:06:57,492 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2021-11-25 18:06:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2021-11-25 18:06:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 18:06:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2021-11-25 18:06:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2021-11-25 18:06:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2021-11-25 18:06:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2021-11-25 18:06:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_set [2021-11-25 18:06:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_set [2021-11-25 18:06:57,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2021-11-25 18:06:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2021-11-25 18:06:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2021-11-25 18:06:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2021-11-25 18:06:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2021-11-25 18:06:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2021-11-25 18:06:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 18:06:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 18:06:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 18:06:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 18:06:57,494 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2021-11-25 18:06:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2021-11-25 18:06:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2021-11-25 18:06:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2021-11-25 18:06:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_set [2021-11-25 18:06:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_set [2021-11-25 18:06:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2021-11-25 18:06:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2021-11-25 18:06:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 18:06:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 18:06:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2021-11-25 18:06:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2021-11-25 18:06:57,495 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-25 18:06:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-25 18:06:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_register_149 [2021-11-25 18:06:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_register_149 [2021-11-25 18:06:57,496 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2021-11-25 18:06:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2021-11-25 18:06:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 18:06:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2021-11-25 18:06:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 18:06:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2021-11-25 18:06:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2021-11-25 18:06:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2021-11-25 18:06:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2021-11-25 18:06:57,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2021-11-25 18:06:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 18:06:57,498 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 18:06:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2021-11-25 18:06:57,498 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2021-11-25 18:06:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 18:06:57,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2021-11-25 18:06:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2021-11-25 18:06:57,498 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2021-11-25 18:06:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 18:06:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 18:06:57,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 18:06:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2021-11-25 18:06:57,499 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2021-11-25 18:06:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2021-11-25 18:06:57,499 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2021-11-25 18:06:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2021-11-25 18:06:57,499 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2021-11-25 18:06:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2021-11-25 18:06:57,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2021-11-25 18:06:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2021-11-25 18:06:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2021-11-25 18:06:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2021-11-25 18:06:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2021-11-25 18:06:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-25 18:06:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-25 18:06:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2021-11-25 18:06:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2021-11-25 18:06:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_get [2021-11-25 18:06:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_get [2021-11-25 18:06:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2021-11-25 18:06:57,501 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2021-11-25 18:06:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2021-11-25 18:06:57,501 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2021-11-25 18:06:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-25 18:06:57,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2021-11-25 18:06:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2021-11-25 18:06:57,501 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2021-11-25 18:06:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2021-11-25 18:06:57,501 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2021-11-25 18:06:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2021-11-25 18:06:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2021-11-25 18:06:57,502 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2021-11-25 18:06:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2021-11-25 18:06:57,502 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2021-11-25 18:06:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2021-11-25 18:06:57,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2021-11-25 18:06:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_get [2021-11-25 18:06:57,502 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_get [2021-11-25 18:06:57,502 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 18:06:57,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2021-11-25 18:06:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2021-11-25 18:06:57,503 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2021-11-25 18:06:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 18:06:57,503 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 18:06:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_130 [2021-11-25 18:06:57,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_130 [2021-11-25 18:06:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 18:06:57,503 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 18:06:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 18:06:57,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 18:06:57,503 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_port_list_get [2021-11-25 18:06:57,504 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_port_list_get [2021-11-25 18:06:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2021-11-25 18:06:57,504 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2021-11-25 18:06:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_setup [2021-11-25 18:06:57,504 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_setup [2021-11-25 18:06:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_rtnl_trylock [2021-11-25 18:06:57,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_rtnl_trylock [2021-11-25 18:06:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2021-11-25 18:06:57,504 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2021-11-25 18:06:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 18:06:57,505 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 18:06:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2021-11-25 18:06:57,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2021-11-25 18:06:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2021-11-25 18:06:57,505 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2021-11-25 18:06:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 18:06:57,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2021-11-25 18:06:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2021-11-25 18:06:57,505 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2021-11-25 18:06:57,505 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2021-11-25 18:06:57,506 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2021-11-25 18:06:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 18:06:57,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 18:06:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 18:06:57,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 18:06:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2021-11-25 18:06:57,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2021-11-25 18:06:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2021-11-25 18:06:57,506 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2021-11-25 18:06:57,506 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2021-11-25 18:06:57,507 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2021-11-25 18:06:57,507 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2021-11-25 18:06:57,507 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2021-11-25 18:06:57,507 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2021-11-25 18:06:57,507 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2021-11-25 18:06:57,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 18:06:57,507 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2021-11-25 18:06:57,507 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2021-11-25 18:06:57,507 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-25 18:06:57,507 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-25 18:06:57,507 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_set [2021-11-25 18:06:57,508 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_set [2021-11-25 18:06:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2021-11-25 18:06:57,508 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2021-11-25 18:06:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_set [2021-11-25 18:06:57,508 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_set [2021-11-25 18:06:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_20_2 [2021-11-25 18:06:57,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_20_2 [2021-11-25 18:06:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 18:06:57,508 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2021-11-25 18:06:57,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2021-11-25 18:06:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2021-11-25 18:06:57,509 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2021-11-25 18:06:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_get [2021-11-25 18:06:57,509 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_get [2021-11-25 18:06:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 18:06:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2021-11-25 18:06:57,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2021-11-25 18:06:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vid_del [2021-11-25 18:06:57,509 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vid_del [2021-11-25 18:06:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2021-11-25 18:06:57,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2021-11-25 18:06:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 18:06:57,510 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 18:06:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 18:06:57,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2021-11-25 18:06:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2021-11-25 18:06:57,510 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2021-11-25 18:06:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2021-11-25 18:06:57,510 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2021-11-25 18:06:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-25 18:06:57,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-25 18:06:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_0 [2021-11-25 18:06:57,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_0 [2021-11-25 18:06:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-25 18:06:57,511 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-25 18:06:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 18:06:57,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2021-11-25 18:06:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2021-11-25 18:06:57,511 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2021-11-25 18:06:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2021-11-25 18:06:57,511 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2021-11-25 18:06:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2021-11-25 18:06:57,512 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2021-11-25 18:06:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2021-11-25 18:06:57,512 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2021-11-25 18:06:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2021-11-25 18:06:57,512 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2021-11-25 18:06:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2021-11-25 18:06:57,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2021-11-25 18:06:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:06:57,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 18:06:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2021-11-25 18:06:57,513 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2021-11-25 18:06:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:06:57,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 18:06:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2021-11-25 18:06:57,513 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2021-11-25 18:06:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2021-11-25 18:06:57,513 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2021-11-25 18:06:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2021-11-25 18:06:57,513 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2021-11-25 18:06:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2021-11-25 18:06:57,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2021-11-25 18:06:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 18:06:57,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2021-11-25 18:06:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-25 18:06:57,514 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-25 18:06:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2021-11-25 18:06:57,514 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2021-11-25 18:06:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_get [2021-11-25 18:06:57,514 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_get [2021-11-25 18:06:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-25 18:06:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-25 18:06:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2021-11-25 18:06:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2021-11-25 18:06:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice_notifier [2021-11-25 18:06:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice_notifier [2021-11-25 18:06:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2021-11-25 18:06:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2021-11-25 18:06:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2021-11-25 18:06:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2021-11-25 18:06:57,515 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2021-11-25 18:06:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 18:06:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 18:06:57,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 18:06:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-25 18:06:57,516 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-25 18:06:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 18:06:57,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 18:06:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2021-11-25 18:06:57,516 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2021-11-25 18:06:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-25 18:06:57,517 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-25 18:06:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2021-11-25 18:06:57,517 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2021-11-25 18:06:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2021-11-25 18:06:57,517 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2021-11-25 18:06:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2021-11-25 18:06:57,517 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2021-11-25 18:06:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_team [2021-11-25 18:06:57,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_team [2021-11-25 18:06:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2021-11-25 18:06:57,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2021-11-25 18:06:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2021-11-25 18:06:57,518 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2021-11-25 18:06:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2021-11-25 18:06:57,518 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2021-11-25 18:06:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2021-11-25 18:06:57,518 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2021-11-25 18:06:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2021-11-25 18:06:57,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2021-11-25 18:06:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 18:06:57,518 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 18:06:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 18:06:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2021-11-25 18:06:57,519 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2021-11-25 18:06:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure team_upper_dev_unlink [2021-11-25 18:06:57,519 INFO L138 BoogieDeclarations]: Found implementation of procedure team_upper_dev_unlink [2021-11-25 18:06:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 18:06:57,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2021-11-25 18:06:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 18:06:57,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 18:06:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2021-11-25 18:06:57,520 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2021-11-25 18:06:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2021-11-25 18:06:57,520 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2021-11-25 18:06:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 18:06:57,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2021-11-25 18:06:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_set [2021-11-25 18:06:57,520 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_set [2021-11-25 18:06:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2021-11-25 18:06:57,520 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2021-11-25 18:06:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 18:06:57,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2021-11-25 18:06:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2021-11-25 18:06:57,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2021-11-25 18:06:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 18:06:57,521 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 18:06:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 18:06:57,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2021-11-25 18:06:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2021-11-25 18:06:57,521 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2021-11-25 18:06:57,521 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2021-11-25 18:06:57,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2021-11-25 18:06:57,522 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_set [2021-11-25 18:06:57,522 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_set [2021-11-25 18:06:57,522 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2021-11-25 18:06:57,522 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2021-11-25 18:06:57,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 18:06:57,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2021-11-25 18:06:57,522 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2021-11-25 18:06:57,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2021-11-25 18:06:57,522 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-11-25 18:06:57,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-11-25 18:06:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-25 18:06:57,523 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-25 18:06:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 18:06:57,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 18:06:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2021-11-25 18:06:57,523 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2021-11-25 18:06:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 18:06:57,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2021-11-25 18:06:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2021-11-25 18:06:57,523 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2021-11-25 18:06:57,523 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2021-11-25 18:06:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2021-11-25 18:06:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-25 18:06:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-25 18:06:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2021-11-25 18:06:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2021-11-25 18:06:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:06:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 18:06:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2021-11-25 18:06:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2021-11-25 18:06:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_unregister [2021-11-25 18:06:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_unregister [2021-11-25 18:06:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 18:06:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_register [2021-11-25 18:06:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_register [2021-11-25 18:06:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 18:06:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-25 18:06:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2021-11-25 18:06:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2021-11-25 18:06:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2021-11-25 18:06:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2021-11-25 18:06:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_get [2021-11-25 18:06:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_get [2021-11-25 18:06:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2021-11-25 18:06:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2021-11-25 18:06:58,967 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 18:06:58,975 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 18:06:59,381 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 18:07:04,660 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 18:07:06,397 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 18:07:06,398 INFO L301 CfgBuilder]: Removed 16 assume(true) statements. [2021-11-25 18:07:06,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:06 BoogieIcfgContainer [2021-11-25 18:07:06,405 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 18:07:06,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 18:07:06,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 18:07:06,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 18:07:06,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 06:06:48" (1/3) ... [2021-11-25 18:07:06,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e18d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:07:06, skipping insertion in model container [2021-11-25 18:07:06,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 06:06:56" (2/3) ... [2021-11-25 18:07:06,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31e18d27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 06:07:06, skipping insertion in model container [2021-11-25 18:07:06,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 06:07:06" (3/3) ... [2021-11-25 18:07:06,413 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--team--team.ko.cil.i [2021-11-25 18:07:06,424 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 18:07:06,425 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2021-11-25 18:07:06,497 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 18:07:06,505 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 18:07:06,505 INFO L340 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2021-11-25 18:07:06,650 INFO L276 IsEmpty]: Start isEmpty. Operand has 2548 states, 1528 states have (on average 1.3285340314136125) internal successors, (2030), 1627 states have internal predecessors, (2030), 743 states have call successors, (743), 241 states have call predecessors, (743), 240 states have return successors, (730), 711 states have call predecessors, (730), 730 states have call successors, (730) [2021-11-25 18:07:06,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-25 18:07:06,657 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:06,657 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] [2021-11-25 18:07:06,658 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 34 more)] === [2021-11-25 18:07:06,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:06,664 INFO L85 PathProgramCache]: Analyzing trace with hash 322196767, now seen corresponding path program 1 times [2021-11-25 18:07:06,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:06,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821727068] [2021-11-25 18:07:06,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:06,675 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:07,509 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 18:07:07,510 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:07,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821727068] [2021-11-25 18:07:07,511 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821727068] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:07,511 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:07,511 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:07:07,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095181608] [2021-11-25 18:07:07,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:07,527 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:07:07,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:07,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:07:07,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:07:07,596 INFO L87 Difference]: Start difference. First operand has 2548 states, 1528 states have (on average 1.3285340314136125) internal successors, (2030), 1627 states have internal predecessors, (2030), 743 states have call successors, (743), 241 states have call predecessors, (743), 240 states have return successors, (730), 711 states have call predecessors, (730), 730 states have call successors, (730) 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, (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 18:07:09,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:07:09,876 INFO L93 Difference]: Finished difference Result 5076 states and 7202 transitions. [2021-11-25 18:07:09,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:07:09,879 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, (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 50 [2021-11-25 18:07:09,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:07:09,923 INFO L225 Difference]: With dead ends: 5076 [2021-11-25 18:07:09,924 INFO L226 Difference]: Without dead ends: 2525 [2021-11-25 18:07:09,945 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 18:07:09,948 INFO L933 BasicCegarLoop]: 3033 mSDtfsCounter, 3439 mSDsluCounter, 3459 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3441 SdHoareTripleChecker+Valid, 6066 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:07:09,949 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3441 Valid, 6066 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2021-11-25 18:07:09,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2021-11-25 18:07:10,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2525. [2021-11-25 18:07:10,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2525 states, 1521 states have (on average 1.2958579881656804) internal successors, (1971), 1607 states have internal predecessors, (1971), 730 states have call successors, (730), 240 states have call predecessors, (730), 239 states have return successors, (728), 709 states have call predecessors, (728), 728 states have call successors, (728) [2021-11-25 18:07:10,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 3429 transitions. [2021-11-25 18:07:10,208 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 3429 transitions. Word has length 50 [2021-11-25 18:07:10,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:07:10,211 INFO L470 AbstractCegarLoop]: Abstraction has 2525 states and 3429 transitions. [2021-11-25 18:07:10,211 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, (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 18:07:10,211 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3429 transitions. [2021-11-25 18:07:10,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 18:07:10,220 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:10,220 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] [2021-11-25 18:07:10,221 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 18:07:10,222 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 34 more)] === [2021-11-25 18:07:10,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:10,223 INFO L85 PathProgramCache]: Analyzing trace with hash 118030410, now seen corresponding path program 1 times [2021-11-25 18:07:10,224 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:10,224 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850519450] [2021-11-25 18:07:10,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:10,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:10,732 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 18:07:10,732 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:10,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850519450] [2021-11-25 18:07:10,733 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850519450] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:10,733 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:10,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:07:10,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739084466] [2021-11-25 18:07:10,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:10,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:07:10,735 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:10,736 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:07:10,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:07:10,736 INFO L87 Difference]: Start difference. First operand 2525 states and 3429 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, (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 18:07:12,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:07:12,963 INFO L93 Difference]: Finished difference Result 2525 states and 3429 transitions. [2021-11-25 18:07:12,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:07:12,964 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, (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 55 [2021-11-25 18:07:12,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:07:12,989 INFO L225 Difference]: With dead ends: 2525 [2021-11-25 18:07:12,989 INFO L226 Difference]: Without dead ends: 2523 [2021-11-25 18:07:12,992 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 18:07:12,994 INFO L933 BasicCegarLoop]: 2999 mSDtfsCounter, 3403 mSDsluCounter, 3424 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3405 SdHoareTripleChecker+Valid, 5998 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:07:12,994 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3405 Valid, 5998 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 18:07:13,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2021-11-25 18:07:13,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 2523. [2021-11-25 18:07:13,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2523 states, 1520 states have (on average 1.2953947368421053) internal successors, (1969), 1605 states have internal predecessors, (1969), 730 states have call successors, (730), 240 states have call predecessors, (730), 239 states have return successors, (728), 709 states have call predecessors, (728), 728 states have call successors, (728) [2021-11-25 18:07:13,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3427 transitions. [2021-11-25 18:07:13,174 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3427 transitions. Word has length 55 [2021-11-25 18:07:13,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:07:13,174 INFO L470 AbstractCegarLoop]: Abstraction has 2523 states and 3427 transitions. [2021-11-25 18:07:13,175 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, (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 18:07:13,175 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3427 transitions. [2021-11-25 18:07:13,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-25 18:07:13,178 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:13,178 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] [2021-11-25 18:07:13,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 18:07:13,179 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 34 more)] === [2021-11-25 18:07:13,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:13,180 INFO L85 PathProgramCache]: Analyzing trace with hash -957670702, now seen corresponding path program 1 times [2021-11-25 18:07:13,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:13,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46388634] [2021-11-25 18:07:13,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:13,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:13,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:13,476 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 18:07:13,476 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:13,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46388634] [2021-11-25 18:07:13,476 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46388634] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:13,477 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:13,477 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:07:13,477 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714840268] [2021-11-25 18:07:13,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:13,478 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:07:13,478 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:13,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:07:13,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:07:13,479 INFO L87 Difference]: Start difference. First operand 2523 states and 3427 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, (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 18:07:15,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:07:15,990 INFO L93 Difference]: Finished difference Result 2523 states and 3427 transitions. [2021-11-25 18:07:15,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:07:15,990 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, (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 60 [2021-11-25 18:07:15,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:07:16,017 INFO L225 Difference]: With dead ends: 2523 [2021-11-25 18:07:16,017 INFO L226 Difference]: Without dead ends: 2521 [2021-11-25 18:07:16,018 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 18:07:16,024 INFO L933 BasicCegarLoop]: 2997 mSDtfsCounter, 3400 mSDsluCounter, 3422 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3402 SdHoareTripleChecker+Valid, 5994 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:07:16,025 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3402 Valid, 5994 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2021-11-25 18:07:16,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2021-11-25 18:07:16,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2521. [2021-11-25 18:07:16,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2521 states, 1519 states have (on average 1.294930875576037) internal successors, (1967), 1603 states have internal predecessors, (1967), 730 states have call successors, (730), 240 states have call predecessors, (730), 239 states have return successors, (728), 709 states have call predecessors, (728), 728 states have call successors, (728) [2021-11-25 18:07:16,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3425 transitions. [2021-11-25 18:07:16,182 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3425 transitions. Word has length 60 [2021-11-25 18:07:16,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:07:16,182 INFO L470 AbstractCegarLoop]: Abstraction has 2521 states and 3425 transitions. [2021-11-25 18:07:16,183 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, (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 18:07:16,183 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3425 transitions. [2021-11-25 18:07:16,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 18:07:16,185 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:16,185 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] [2021-11-25 18:07:16,186 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 18:07:16,186 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 34 more)] === [2021-11-25 18:07:16,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:16,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1323713294, now seen corresponding path program 1 times [2021-11-25 18:07:16,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:16,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904716114] [2021-11-25 18:07:16,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:16,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:16,511 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 18:07:16,511 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:16,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904716114] [2021-11-25 18:07:16,512 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904716114] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:16,512 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:16,512 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:07:16,512 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041427170] [2021-11-25 18:07:16,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:16,513 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:07:16,513 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:16,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:07:16,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:07:16,514 INFO L87 Difference]: Start difference. First operand 2521 states and 3425 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, (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 18:07:18,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:07:18,731 INFO L93 Difference]: Finished difference Result 2521 states and 3425 transitions. [2021-11-25 18:07:18,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:07:18,732 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, (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 65 [2021-11-25 18:07:18,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:07:18,752 INFO L225 Difference]: With dead ends: 2521 [2021-11-25 18:07:18,753 INFO L226 Difference]: Without dead ends: 2519 [2021-11-25 18:07:18,754 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 18:07:18,758 INFO L933 BasicCegarLoop]: 2995 mSDtfsCounter, 3397 mSDsluCounter, 3420 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3399 SdHoareTripleChecker+Valid, 5990 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:07:18,759 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3399 Valid, 5990 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 18:07:18,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2021-11-25 18:07:18,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 2519. [2021-11-25 18:07:18,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2519 states, 1518 states have (on average 1.2944664031620554) internal successors, (1965), 1601 states have internal predecessors, (1965), 730 states have call successors, (730), 240 states have call predecessors, (730), 239 states have return successors, (728), 709 states have call predecessors, (728), 728 states have call successors, (728) [2021-11-25 18:07:18,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3423 transitions. [2021-11-25 18:07:18,895 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3423 transitions. Word has length 65 [2021-11-25 18:07:18,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:07:18,895 INFO L470 AbstractCegarLoop]: Abstraction has 2519 states and 3423 transitions. [2021-11-25 18:07:18,896 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, (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 18:07:18,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3423 transitions. [2021-11-25 18:07:18,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2021-11-25 18:07:18,898 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:18,899 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:07:18,899 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 18:07:18,899 INFO L402 AbstractCegarLoop]: === Iteration 5 === 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 34 more)] === [2021-11-25 18:07:18,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:18,900 INFO L85 PathProgramCache]: Analyzing trace with hash 2089588214, now seen corresponding path program 1 times [2021-11-25 18:07:18,900 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:18,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798489576] [2021-11-25 18:07:18,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:18,900 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:19,231 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-25 18:07:19,231 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:19,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798489576] [2021-11-25 18:07:19,232 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798489576] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:19,232 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:19,232 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:07:19,232 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042901837] [2021-11-25 18:07:19,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:19,234 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:07:19,234 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:19,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:07:19,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:07:19,235 INFO L87 Difference]: Start difference. First operand 2519 states and 3423 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 18:07:24,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:07:24,004 INFO L93 Difference]: Finished difference Result 4794 states and 6578 transitions. [2021-11-25 18:07:24,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:07:24,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 77 [2021-11-25 18:07:24,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:07:24,043 INFO L225 Difference]: With dead ends: 4794 [2021-11-25 18:07:24,043 INFO L226 Difference]: Without dead ends: 4792 [2021-11-25 18:07:24,047 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 18:07:24,048 INFO L933 BasicCegarLoop]: 5111 mSDtfsCounter, 3320 mSDsluCounter, 14800 mSDsCounter, 0 mSdLazyCounter, 2422 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3321 SdHoareTripleChecker+Valid, 18173 SdHoareTripleChecker+Invalid, 2424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2422 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:07:24,048 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3321 Valid, 18173 Invalid, 2424 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2422 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2021-11-25 18:07:24,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4792 states. [2021-11-25 18:07:24,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4792 to 4701. [2021-11-25 18:07:24,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4701 states, 2848 states have (on average 1.2984550561797752) internal successors, (3698), 2988 states have internal predecessors, (3698), 1361 states have call successors, (1361), 469 states have call predecessors, (1361), 460 states have return successors, (1449), 1302 states have call predecessors, (1449), 1359 states have call successors, (1449) [2021-11-25 18:07:24,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4701 states to 4701 states and 6508 transitions. [2021-11-25 18:07:24,393 INFO L78 Accepts]: Start accepts. Automaton has 4701 states and 6508 transitions. Word has length 77 [2021-11-25 18:07:24,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:07:24,394 INFO L470 AbstractCegarLoop]: Abstraction has 4701 states and 6508 transitions. [2021-11-25 18:07:24,395 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2021-11-25 18:07:24,395 INFO L276 IsEmpty]: Start isEmpty. Operand 4701 states and 6508 transitions. [2021-11-25 18:07:24,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-11-25 18:07:24,396 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:24,396 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] [2021-11-25 18:07:24,397 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 18:07:24,397 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 18:07:24,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:24,398 INFO L85 PathProgramCache]: Analyzing trace with hash -695946674, now seen corresponding path program 1 times [2021-11-25 18:07:24,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:24,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653385090] [2021-11-25 18:07:24,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:24,399 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:24,636 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 18:07:24,636 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:24,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653385090] [2021-11-25 18:07:24,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653385090] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:24,637 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:24,637 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:07:24,637 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721099505] [2021-11-25 18:07:24,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:24,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:07:24,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:24,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:07:24,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:07:24,639 INFO L87 Difference]: Start difference. First operand 4701 states and 6508 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, (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 18:07:26,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:07:26,583 INFO L93 Difference]: Finished difference Result 4701 states and 6508 transitions. [2021-11-25 18:07:26,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:07:26,584 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, (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 70 [2021-11-25 18:07:26,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:07:26,627 INFO L225 Difference]: With dead ends: 4701 [2021-11-25 18:07:26,627 INFO L226 Difference]: Without dead ends: 4699 [2021-11-25 18:07:26,631 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 18:07:26,633 INFO L933 BasicCegarLoop]: 2993 mSDtfsCounter, 3394 mSDsluCounter, 3418 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3396 SdHoareTripleChecker+Valid, 5986 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:07:26,633 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3396 Valid, 5986 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 18:07:26,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4699 states. [2021-11-25 18:07:26,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4699 to 4699. [2021-11-25 18:07:27,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4699 states, 2847 states have (on average 1.2978573937478046) internal successors, (3695), 2986 states have internal predecessors, (3695), 1361 states have call successors, (1361), 469 states have call predecessors, (1361), 460 states have return successors, (1449), 1302 states have call predecessors, (1449), 1359 states have call successors, (1449) [2021-11-25 18:07:27,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4699 states to 4699 states and 6505 transitions. [2021-11-25 18:07:27,037 INFO L78 Accepts]: Start accepts. Automaton has 4699 states and 6505 transitions. Word has length 70 [2021-11-25 18:07:27,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:07:27,037 INFO L470 AbstractCegarLoop]: Abstraction has 4699 states and 6505 transitions. [2021-11-25 18:07:27,038 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, (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 18:07:27,038 INFO L276 IsEmpty]: Start isEmpty. Operand 4699 states and 6505 transitions. [2021-11-25 18:07:27,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-25 18:07:27,041 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:27,042 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] [2021-11-25 18:07:27,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 18:07:27,042 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 18:07:27,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:27,043 INFO L85 PathProgramCache]: Analyzing trace with hash 418749566, now seen corresponding path program 1 times [2021-11-25 18:07:27,043 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:27,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595039825] [2021-11-25 18:07:27,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:27,044 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:27,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:27,308 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 18:07:27,308 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:27,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595039825] [2021-11-25 18:07:27,309 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595039825] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:27,309 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:27,309 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:07:27,309 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553994293] [2021-11-25 18:07:27,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:27,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:07:27,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:27,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:07:27,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:07:27,311 INFO L87 Difference]: Start difference. First operand 4699 states and 6505 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, (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 18:07:29,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:07:29,246 INFO L93 Difference]: Finished difference Result 4699 states and 6505 transitions. [2021-11-25 18:07:29,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:07:29,247 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, (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 75 [2021-11-25 18:07:29,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:07:29,294 INFO L225 Difference]: With dead ends: 4699 [2021-11-25 18:07:29,294 INFO L226 Difference]: Without dead ends: 4697 [2021-11-25 18:07:29,299 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 18:07:29,300 INFO L933 BasicCegarLoop]: 2991 mSDtfsCounter, 3391 mSDsluCounter, 3416 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3393 SdHoareTripleChecker+Valid, 5982 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2021-11-25 18:07:29,300 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3393 Valid, 5982 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2021-11-25 18:07:29,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4697 states. [2021-11-25 18:07:29,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4697 to 4697. [2021-11-25 18:07:29,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4697 states, 2846 states have (on average 1.297259311314125) internal successors, (3692), 2984 states have internal predecessors, (3692), 1361 states have call successors, (1361), 469 states have call predecessors, (1361), 460 states have return successors, (1449), 1302 states have call predecessors, (1449), 1359 states have call successors, (1449) [2021-11-25 18:07:29,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4697 states to 4697 states and 6502 transitions. [2021-11-25 18:07:29,652 INFO L78 Accepts]: Start accepts. Automaton has 4697 states and 6502 transitions. Word has length 75 [2021-11-25 18:07:29,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:07:29,654 INFO L470 AbstractCegarLoop]: Abstraction has 4697 states and 6502 transitions. [2021-11-25 18:07:29,654 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, (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 18:07:29,654 INFO L276 IsEmpty]: Start isEmpty. Operand 4697 states and 6502 transitions. [2021-11-25 18:07:29,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2021-11-25 18:07:29,662 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:29,663 INFO L514 BasicCegarLoop]: trace histogram [6, 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] [2021-11-25 18:07:29,663 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 18:07:29,663 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 18:07:29,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:29,664 INFO L85 PathProgramCache]: Analyzing trace with hash 1734291145, now seen corresponding path program 1 times [2021-11-25 18:07:29,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:29,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275387066] [2021-11-25 18:07:29,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:29,665 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:30,027 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 18:07:30,028 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:30,028 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275387066] [2021-11-25 18:07:30,028 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275387066] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:30,028 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:30,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-25 18:07:30,029 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041946085] [2021-11-25 18:07:30,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:30,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-25 18:07:30,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:30,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-25 18:07:30,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-25 18:07:30,032 INFO L87 Difference]: Start difference. First operand 4697 states and 6502 transitions. Second operand has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 18:07:35,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:07:35,876 INFO L93 Difference]: Finished difference Result 4697 states and 6502 transitions. [2021-11-25 18:07:35,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:07:35,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) Word has length 88 [2021-11-25 18:07:35,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:07:35,934 INFO L225 Difference]: With dead ends: 4697 [2021-11-25 18:07:35,934 INFO L226 Difference]: Without dead ends: 4695 [2021-11-25 18:07:35,939 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 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 18:07:35,940 INFO L933 BasicCegarLoop]: 2990 mSDtfsCounter, 3383 mSDsluCounter, 8772 mSDsCounter, 0 mSdLazyCounter, 3162 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3387 SdHoareTripleChecker+Valid, 10494 SdHoareTripleChecker+Invalid, 3164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 3162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:07:35,940 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3387 Valid, 10494 Invalid, 3164 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 3162 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-11-25 18:07:35,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4695 states. [2021-11-25 18:07:36,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4695 to 4695. [2021-11-25 18:07:36,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4695 states, 2845 states have (on average 1.2966608084358524) internal successors, (3689), 2982 states have internal predecessors, (3689), 1361 states have call successors, (1361), 469 states have call predecessors, (1361), 460 states have return successors, (1449), 1302 states have call predecessors, (1449), 1359 states have call successors, (1449) [2021-11-25 18:07:36,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4695 states to 4695 states and 6499 transitions. [2021-11-25 18:07:36,255 INFO L78 Accepts]: Start accepts. Automaton has 4695 states and 6499 transitions. Word has length 88 [2021-11-25 18:07:36,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:07:36,256 INFO L470 AbstractCegarLoop]: Abstraction has 4695 states and 6499 transitions. [2021-11-25 18:07:36,256 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (17), 3 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 18:07:36,256 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 6499 transitions. [2021-11-25 18:07:36,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 18:07:36,258 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:36,259 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] [2021-11-25 18:07:36,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 18:07:36,259 INFO L402 AbstractCegarLoop]: === Iteration 9 === 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 34 more)] === [2021-11-25 18:07:36,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:36,260 INFO L85 PathProgramCache]: Analyzing trace with hash 110577159, now seen corresponding path program 1 times [2021-11-25 18:07:36,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:36,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909428948] [2021-11-25 18:07:36,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:36,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:36,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:36,500 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 18:07:36,501 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:36,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909428948] [2021-11-25 18:07:36,501 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909428948] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:36,501 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:36,501 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:07:36,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060717414] [2021-11-25 18:07:36,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:36,502 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:07:36,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:36,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:07:36,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:07:36,504 INFO L87 Difference]: Start difference. First operand 4695 states and 6499 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, (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 18:07:38,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:07:38,381 INFO L93 Difference]: Finished difference Result 4695 states and 6499 transitions. [2021-11-25 18:07:38,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:07:38,382 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, (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 80 [2021-11-25 18:07:38,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:07:38,404 INFO L225 Difference]: With dead ends: 4695 [2021-11-25 18:07:38,404 INFO L226 Difference]: Without dead ends: 4693 [2021-11-25 18:07:38,407 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 18:07:38,408 INFO L933 BasicCegarLoop]: 2987 mSDtfsCounter, 3386 mSDsluCounter, 3412 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3388 SdHoareTripleChecker+Valid, 5974 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:07:38,409 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3388 Valid, 5974 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 18:07:38,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2021-11-25 18:07:38,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 4693. [2021-11-25 18:07:38,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4693 states, 2844 states have (on average 1.2960618846694796) internal successors, (3686), 2980 states have internal predecessors, (3686), 1361 states have call successors, (1361), 469 states have call predecessors, (1361), 460 states have return successors, (1449), 1302 states have call predecessors, (1449), 1359 states have call successors, (1449) [2021-11-25 18:07:38,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 6496 transitions. [2021-11-25 18:07:38,729 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 6496 transitions. Word has length 80 [2021-11-25 18:07:38,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:07:38,730 INFO L470 AbstractCegarLoop]: Abstraction has 4693 states and 6496 transitions. [2021-11-25 18:07:38,730 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, (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 18:07:38,730 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 6496 transitions. [2021-11-25 18:07:38,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2021-11-25 18:07:38,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:38,734 INFO L514 BasicCegarLoop]: trace histogram [6, 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] [2021-11-25 18:07:38,734 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 18:07:38,734 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 18:07:38,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:38,735 INFO L85 PathProgramCache]: Analyzing trace with hash -2011100722, now seen corresponding path program 1 times [2021-11-25 18:07:38,735 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:38,735 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2575509] [2021-11-25 18:07:38,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:38,736 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:38,978 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2021-11-25 18:07:38,978 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:38,978 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2575509] [2021-11-25 18:07:38,979 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2575509] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:38,979 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:38,979 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-25 18:07:38,979 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113632249] [2021-11-25 18:07:38,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:38,980 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-25 18:07:38,980 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:38,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-25 18:07:38,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-25 18:07:38,981 INFO L87 Difference]: Start difference. First operand 4693 states and 6496 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 18:07:40,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:07:40,318 INFO L93 Difference]: Finished difference Result 9366 states and 13196 transitions. [2021-11-25 18:07:40,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-25 18:07:40,327 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 91 [2021-11-25 18:07:40,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:07:40,349 INFO L225 Difference]: With dead ends: 9366 [2021-11-25 18:07:40,349 INFO L226 Difference]: Without dead ends: 4687 [2021-11-25 18:07:40,378 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 18:07:40,379 INFO L933 BasicCegarLoop]: 2983 mSDtfsCounter, 3369 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 427 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3369 SdHoareTripleChecker+Valid, 2983 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:07:40,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3369 Valid, 2983 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 427 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2021-11-25 18:07:40,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4687 states. [2021-11-25 18:07:40,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4687 to 4687. [2021-11-25 18:07:40,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4687 states, 2839 states have (on average 1.295174357168017) internal successors, (3677), 2974 states have internal predecessors, (3677), 1361 states have call successors, (1361), 469 states have call predecessors, (1361), 460 states have return successors, (1449), 1302 states have call predecessors, (1449), 1359 states have call successors, (1449) [2021-11-25 18:07:40,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4687 states to 4687 states and 6487 transitions. [2021-11-25 18:07:40,777 INFO L78 Accepts]: Start accepts. Automaton has 4687 states and 6487 transitions. Word has length 91 [2021-11-25 18:07:40,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:07:40,778 INFO L470 AbstractCegarLoop]: Abstraction has 4687 states and 6487 transitions. [2021-11-25 18:07:40,778 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 18:07:40,778 INFO L276 IsEmpty]: Start isEmpty. Operand 4687 states and 6487 transitions. [2021-11-25 18:07:40,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2021-11-25 18:07:40,780 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:40,780 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:07:40,781 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 18:07:40,781 INFO L402 AbstractCegarLoop]: === Iteration 11 === 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 34 more)] === [2021-11-25 18:07:40,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:40,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1952997144, now seen corresponding path program 1 times [2021-11-25 18:07:40,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:40,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453488738] [2021-11-25 18:07:40,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:40,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:41,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:41,285 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-11-25 18:07:41,285 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:41,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453488738] [2021-11-25 18:07:41,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1453488738] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:41,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:41,286 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:07:41,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043489447] [2021-11-25 18:07:41,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:41,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:07:41,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:41,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:07:41,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:07:41,287 INFO L87 Difference]: Start difference. First operand 4687 states and 6487 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 18:07:44,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:07:44,815 INFO L93 Difference]: Finished difference Result 4768 states and 6550 transitions. [2021-11-25 18:07:44,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:07:44,815 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 93 [2021-11-25 18:07:44,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:07:44,837 INFO L225 Difference]: With dead ends: 4768 [2021-11-25 18:07:44,837 INFO L226 Difference]: Without dead ends: 4766 [2021-11-25 18:07:44,840 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 18:07:44,841 INFO L933 BasicCegarLoop]: 4259 mSDtfsCounter, 3215 mSDsluCounter, 12955 mSDsCounter, 0 mSdLazyCounter, 2089 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3216 SdHoareTripleChecker+Valid, 15693 SdHoareTripleChecker+Invalid, 2089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:07:44,842 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3216 Valid, 15693 Invalid, 2089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2089 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-25 18:07:44,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4766 states. [2021-11-25 18:07:45,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4766 to 4711. [2021-11-25 18:07:45,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4711 states, 2853 states have (on average 1.2937259025587102) internal successors, (3691), 2987 states have internal predecessors, (3691), 1369 states have call successors, (1369), 472 states have call predecessors, (1369), 462 states have return successors, (1458), 1310 states have call predecessors, (1458), 1367 states have call successors, (1458) [2021-11-25 18:07:45,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4711 states to 4711 states and 6518 transitions. [2021-11-25 18:07:45,153 INFO L78 Accepts]: Start accepts. Automaton has 4711 states and 6518 transitions. Word has length 93 [2021-11-25 18:07:45,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:07:45,154 INFO L470 AbstractCegarLoop]: Abstraction has 4711 states and 6518 transitions. [2021-11-25 18:07:45,154 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 3 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2021-11-25 18:07:45,154 INFO L276 IsEmpty]: Start isEmpty. Operand 4711 states and 6518 transitions. [2021-11-25 18:07:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 18:07:45,156 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:45,157 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] [2021-11-25 18:07:45,157 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 18:07:45,157 INFO L402 AbstractCegarLoop]: === Iteration 12 === 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 34 more)] === [2021-11-25 18:07:45,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:45,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1193842968, now seen corresponding path program 1 times [2021-11-25 18:07:45,158 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:45,158 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391401437] [2021-11-25 18:07:45,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:45,159 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:45,378 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 18:07:45,379 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:45,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391401437] [2021-11-25 18:07:45,379 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391401437] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:45,379 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:45,380 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:07:45,380 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247579078] [2021-11-25 18:07:45,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:45,381 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:07:45,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:45,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:07:45,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:07:45,382 INFO L87 Difference]: Start difference. First operand 4711 states and 6518 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 18:07:47,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:07:47,680 INFO L93 Difference]: Finished difference Result 4711 states and 6518 transitions. [2021-11-25 18:07:47,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:07:47,681 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 85 [2021-11-25 18:07:47,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:07:47,711 INFO L225 Difference]: With dead ends: 4711 [2021-11-25 18:07:47,711 INFO L226 Difference]: Without dead ends: 4709 [2021-11-25 18:07:47,714 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 18:07:47,715 INFO L933 BasicCegarLoop]: 2980 mSDtfsCounter, 3382 mSDsluCounter, 3401 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3384 SdHoareTripleChecker+Valid, 5956 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:07:47,716 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3384 Valid, 5956 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2021-11-25 18:07:47,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4709 states. [2021-11-25 18:07:48,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4709 to 4709. [2021-11-25 18:07:48,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4709 states, 2852 states have (on average 1.2931276297335204) internal successors, (3688), 2985 states have internal predecessors, (3688), 1369 states have call successors, (1369), 472 states have call predecessors, (1369), 462 states have return successors, (1458), 1310 states have call predecessors, (1458), 1367 states have call successors, (1458) [2021-11-25 18:07:48,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4709 states to 4709 states and 6515 transitions. [2021-11-25 18:07:48,057 INFO L78 Accepts]: Start accepts. Automaton has 4709 states and 6515 transitions. Word has length 85 [2021-11-25 18:07:48,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:07:48,057 INFO L470 AbstractCegarLoop]: Abstraction has 4709 states and 6515 transitions. [2021-11-25 18:07:48,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 18:07:48,058 INFO L276 IsEmpty]: Start isEmpty. Operand 4709 states and 6515 transitions. [2021-11-25 18:07:48,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2021-11-25 18:07:48,060 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:48,061 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] [2021-11-25 18:07:48,061 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-25 18:07:48,061 INFO L402 AbstractCegarLoop]: === Iteration 13 === 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 34 more)] === [2021-11-25 18:07:48,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:48,062 INFO L85 PathProgramCache]: Analyzing trace with hash 527058331, now seen corresponding path program 1 times [2021-11-25 18:07:48,062 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:48,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168475806] [2021-11-25 18:07:48,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:48,063 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:48,284 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 18:07:48,284 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:48,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168475806] [2021-11-25 18:07:48,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168475806] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:48,285 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:48,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:07:48,285 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022232748] [2021-11-25 18:07:48,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:48,286 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:07:48,286 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:48,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:07:48,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:07:48,287 INFO L87 Difference]: Start difference. First operand 4709 states and 6515 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, (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 18:07:49,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:07:49,770 INFO L93 Difference]: Finished difference Result 4709 states and 6515 transitions. [2021-11-25 18:07:49,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:07:49,771 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, (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 87 [2021-11-25 18:07:49,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:07:49,791 INFO L225 Difference]: With dead ends: 4709 [2021-11-25 18:07:49,792 INFO L226 Difference]: Without dead ends: 4707 [2021-11-25 18:07:49,795 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 18:07:49,796 INFO L933 BasicCegarLoop]: 2978 mSDtfsCounter, 3374 mSDsluCounter, 3403 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3376 SdHoareTripleChecker+Valid, 5956 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:07:49,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3376 Valid, 5956 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2021-11-25 18:07:49,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4707 states. [2021-11-25 18:07:50,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4707 to 4707. [2021-11-25 18:07:50,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4707 states, 2851 states have (on average 1.2925289372150124) internal successors, (3685), 2983 states have internal predecessors, (3685), 1369 states have call successors, (1369), 472 states have call predecessors, (1369), 462 states have return successors, (1458), 1310 states have call predecessors, (1458), 1367 states have call successors, (1458) [2021-11-25 18:07:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4707 states to 4707 states and 6512 transitions. [2021-11-25 18:07:50,206 INFO L78 Accepts]: Start accepts. Automaton has 4707 states and 6512 transitions. Word has length 87 [2021-11-25 18:07:50,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:07:50,207 INFO L470 AbstractCegarLoop]: Abstraction has 4707 states and 6512 transitions. [2021-11-25 18:07:50,207 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, (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 18:07:50,207 INFO L276 IsEmpty]: Start isEmpty. Operand 4707 states and 6512 transitions. [2021-11-25 18:07:50,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2021-11-25 18:07:50,210 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:50,210 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] [2021-11-25 18:07:50,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-11-25 18:07:50,210 INFO L402 AbstractCegarLoop]: === Iteration 14 === 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 34 more)] === [2021-11-25 18:07:50,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:50,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1731411863, now seen corresponding path program 1 times [2021-11-25 18:07:50,211 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:50,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610455541] [2021-11-25 18:07:50,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:50,212 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:50,462 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 18:07:50,462 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:50,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610455541] [2021-11-25 18:07:50,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610455541] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:50,463 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:50,463 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:07:50,463 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170933284] [2021-11-25 18:07:50,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:50,465 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:07:50,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:50,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:07:50,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:07:50,466 INFO L87 Difference]: Start difference. First operand 4707 states and 6512 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, (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 18:07:54,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:07:54,064 INFO L93 Difference]: Finished difference Result 9400 states and 13187 transitions. [2021-11-25 18:07:54,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:07:54,065 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, (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 92 [2021-11-25 18:07:54,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:07:54,113 INFO L225 Difference]: With dead ends: 9400 [2021-11-25 18:07:54,113 INFO L226 Difference]: Without dead ends: 9398 [2021-11-25 18:07:54,120 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 18:07:54,121 INFO L933 BasicCegarLoop]: 4126 mSDtfsCounter, 3372 mSDsluCounter, 8054 mSDsCounter, 0 mSdLazyCounter, 1423 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3374 SdHoareTripleChecker+Valid, 11265 SdHoareTripleChecker+Invalid, 1424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2021-11-25 18:07:54,121 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3374 Valid, 11265 Invalid, 1424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1423 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2021-11-25 18:07:54,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9398 states. [2021-11-25 18:07:54,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9398 to 9230. [2021-11-25 18:07:54,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9230 states, 5601 states have (on average 1.293161935368684) internal successors, (7243), 5842 states have internal predecessors, (7243), 2700 states have call successors, (2700), 923 states have call predecessors, (2700), 904 states have return successors, (3065), 2581 states have call predecessors, (3065), 2698 states have call successors, (3065) [2021-11-25 18:07:54,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9230 states to 9230 states and 13008 transitions. [2021-11-25 18:07:54,872 INFO L78 Accepts]: Start accepts. Automaton has 9230 states and 13008 transitions. Word has length 92 [2021-11-25 18:07:54,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:07:54,873 INFO L470 AbstractCegarLoop]: Abstraction has 9230 states and 13008 transitions. [2021-11-25 18:07:54,873 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, (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 18:07:54,874 INFO L276 IsEmpty]: Start isEmpty. Operand 9230 states and 13008 transitions. [2021-11-25 18:07:54,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2021-11-25 18:07:54,876 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:54,877 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] [2021-11-25 18:07:54,877 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-11-25 18:07:54,877 INFO L402 AbstractCegarLoop]: === Iteration 15 === 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 34 more)] === [2021-11-25 18:07:54,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:54,878 INFO L85 PathProgramCache]: Analyzing trace with hash 2099268567, now seen corresponding path program 1 times [2021-11-25 18:07:54,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:54,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776288060] [2021-11-25 18:07:54,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:54,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:55,060 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 18:07:55,060 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:55,060 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776288060] [2021-11-25 18:07:55,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776288060] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:55,061 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:55,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:07:55,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584933117] [2021-11-25 18:07:55,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:55,062 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:07:55,062 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:55,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:07:55,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:07:55,063 INFO L87 Difference]: Start difference. First operand 9230 states and 13008 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, (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 18:07:57,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:07:57,232 INFO L93 Difference]: Finished difference Result 9230 states and 13008 transitions. [2021-11-25 18:07:57,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:07:57,233 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, (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 97 [2021-11-25 18:07:57,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:07:57,284 INFO L225 Difference]: With dead ends: 9230 [2021-11-25 18:07:57,284 INFO L226 Difference]: Without dead ends: 9228 [2021-11-25 18:07:57,294 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 18:07:57,296 INFO L933 BasicCegarLoop]: 2975 mSDtfsCounter, 3372 mSDsluCounter, 3400 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3374 SdHoareTripleChecker+Valid, 5950 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:07:57,296 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3374 Valid, 5950 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2021-11-25 18:07:57,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9228 states. [2021-11-25 18:07:58,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9228 to 9228. [2021-11-25 18:07:58,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9228 states, 5600 states have (on average 1.292857142857143) internal successors, (7240), 5840 states have internal predecessors, (7240), 2700 states have call successors, (2700), 923 states have call predecessors, (2700), 904 states have return successors, (3065), 2581 states have call predecessors, (3065), 2698 states have call successors, (3065) [2021-11-25 18:07:58,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9228 states to 9228 states and 13005 transitions. [2021-11-25 18:07:58,170 INFO L78 Accepts]: Start accepts. Automaton has 9228 states and 13005 transitions. Word has length 97 [2021-11-25 18:07:58,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:07:58,171 INFO L470 AbstractCegarLoop]: Abstraction has 9228 states and 13005 transitions. [2021-11-25 18:07:58,171 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, (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 18:07:58,171 INFO L276 IsEmpty]: Start isEmpty. Operand 9228 states and 13005 transitions. [2021-11-25 18:07:58,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2021-11-25 18:07:58,174 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:07:58,174 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] [2021-11-25 18:07:58,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-11-25 18:07:58,175 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 18:07:58,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:07:58,175 INFO L85 PathProgramCache]: Analyzing trace with hash 434803712, now seen corresponding path program 1 times [2021-11-25 18:07:58,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:07:58,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844277132] [2021-11-25 18:07:58,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:07:58,176 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:07:58,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:07:58,362 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 18:07:58,362 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:07:58,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1844277132] [2021-11-25 18:07:58,365 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1844277132] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:07:58,365 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:07:58,365 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:07:58,365 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511110217] [2021-11-25 18:07:58,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:07:58,366 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:07:58,366 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:07:58,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:07:58,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:07:58,367 INFO L87 Difference]: Start difference. First operand 9228 states and 13005 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, (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 18:08:00,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:00,497 INFO L93 Difference]: Finished difference Result 9228 states and 13005 transitions. [2021-11-25 18:08:00,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:08:00,498 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, (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 102 [2021-11-25 18:08:00,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:00,548 INFO L225 Difference]: With dead ends: 9228 [2021-11-25 18:08:00,548 INFO L226 Difference]: Without dead ends: 9226 [2021-11-25 18:08:00,555 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 18:08:00,556 INFO L933 BasicCegarLoop]: 2974 mSDtfsCounter, 3369 mSDsluCounter, 3398 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3371 SdHoareTripleChecker+Valid, 5948 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:00,556 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3371 Valid, 5948 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2021-11-25 18:08:00,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9226 states. [2021-11-25 18:08:01,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9226 to 9226. [2021-11-25 18:08:01,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9226 states, 5599 states have (on average 1.2925522414716915) internal successors, (7237), 5838 states have internal predecessors, (7237), 2700 states have call successors, (2700), 923 states have call predecessors, (2700), 904 states have return successors, (3065), 2581 states have call predecessors, (3065), 2698 states have call successors, (3065) [2021-11-25 18:08:01,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9226 states to 9226 states and 13002 transitions. [2021-11-25 18:08:01,288 INFO L78 Accepts]: Start accepts. Automaton has 9226 states and 13002 transitions. Word has length 102 [2021-11-25 18:08:01,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:01,289 INFO L470 AbstractCegarLoop]: Abstraction has 9226 states and 13002 transitions. [2021-11-25 18:08:01,289 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, (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 18:08:01,289 INFO L276 IsEmpty]: Start isEmpty. Operand 9226 states and 13002 transitions. [2021-11-25 18:08:01,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-25 18:08:01,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:01,293 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:08:01,293 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-11-25 18:08:01,294 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 18:08:01,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:01,294 INFO L85 PathProgramCache]: Analyzing trace with hash 324828261, now seen corresponding path program 1 times [2021-11-25 18:08:01,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:01,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864204446] [2021-11-25 18:08:01,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:01,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:01,536 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-25 18:08:01,536 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:01,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864204446] [2021-11-25 18:08:01,537 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864204446] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:01,537 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:01,537 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:08:01,537 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418273059] [2021-11-25 18:08:01,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:01,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:08:01,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:01,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:08:01,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:08:01,539 INFO L87 Difference]: Start difference. First operand 9226 states and 13002 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:08:03,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:03,826 INFO L93 Difference]: Finished difference Result 9226 states and 13002 transitions. [2021-11-25 18:08:03,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:08:03,827 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 117 [2021-11-25 18:08:03,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:03,870 INFO L225 Difference]: With dead ends: 9226 [2021-11-25 18:08:03,871 INFO L226 Difference]: Without dead ends: 9224 [2021-11-25 18:08:03,878 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 18:08:03,879 INFO L933 BasicCegarLoop]: 2971 mSDtfsCounter, 3363 mSDsluCounter, 3384 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3368 SdHoareTripleChecker+Valid, 5933 SdHoareTripleChecker+Invalid, 852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:03,880 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3368 Valid, 5933 Invalid, 852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 852 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 18:08:03,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9224 states. [2021-11-25 18:08:04,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9224 to 9224. [2021-11-25 18:08:04,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9224 states, 5598 states have (on average 1.29188996070025) internal successors, (7232), 5836 states have internal predecessors, (7232), 2700 states have call successors, (2700), 923 states have call predecessors, (2700), 904 states have return successors, (3065), 2581 states have call predecessors, (3065), 2698 states have call successors, (3065) [2021-11-25 18:08:04,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9224 states to 9224 states and 12997 transitions. [2021-11-25 18:08:04,648 INFO L78 Accepts]: Start accepts. Automaton has 9224 states and 12997 transitions. Word has length 117 [2021-11-25 18:08:04,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:04,649 INFO L470 AbstractCegarLoop]: Abstraction has 9224 states and 12997 transitions. [2021-11-25 18:08:04,649 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:08:04,649 INFO L276 IsEmpty]: Start isEmpty. Operand 9224 states and 12997 transitions. [2021-11-25 18:08:04,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2021-11-25 18:08:04,653 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:04,653 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] [2021-11-25 18:08:04,653 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-11-25 18:08:04,653 INFO L402 AbstractCegarLoop]: === Iteration 18 === 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 34 more)] === [2021-11-25 18:08:04,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:04,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1479914485, now seen corresponding path program 1 times [2021-11-25 18:08:04,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:04,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247118786] [2021-11-25 18:08:04,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:04,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:04,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:04,856 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 18:08:04,856 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:04,857 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247118786] [2021-11-25 18:08:04,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247118786] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:04,857 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:04,857 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:08:04,857 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285014645] [2021-11-25 18:08:04,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:04,859 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:08:04,859 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:04,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:08:04,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:08:04,860 INFO L87 Difference]: Start difference. First operand 9224 states and 12997 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, (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 18:08:08,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:08,408 INFO L93 Difference]: Finished difference Result 18048 states and 25966 transitions. [2021-11-25 18:08:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:08:08,409 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, (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 107 [2021-11-25 18:08:08,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:08,495 INFO L225 Difference]: With dead ends: 18048 [2021-11-25 18:08:08,496 INFO L226 Difference]: Without dead ends: 18046 [2021-11-25 18:08:08,508 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 18:08:08,509 INFO L933 BasicCegarLoop]: 3767 mSDtfsCounter, 3219 mSDsluCounter, 7631 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3221 SdHoareTripleChecker+Valid, 10548 SdHoareTripleChecker+Invalid, 1294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:08,509 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3221 Valid, 10548 Invalid, 1294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 18:08:08,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18046 states. [2021-11-25 18:08:09,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18046 to 17881. [2021-11-25 18:08:09,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17881 states, 10840 states have (on average 1.2935424354243543) internal successors, (14022), 11314 states have internal predecessors, (14022), 5239 states have call successors, (5239), 1821 states have call predecessors, (5239), 1780 states have return successors, (6516), 4978 states have call predecessors, (6516), 5237 states have call successors, (6516) [2021-11-25 18:08:09,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17881 states to 17881 states and 25777 transitions. [2021-11-25 18:08:09,850 INFO L78 Accepts]: Start accepts. Automaton has 17881 states and 25777 transitions. Word has length 107 [2021-11-25 18:08:09,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:09,851 INFO L470 AbstractCegarLoop]: Abstraction has 17881 states and 25777 transitions. [2021-11-25 18:08:09,851 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, (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 18:08:09,851 INFO L276 IsEmpty]: Start isEmpty. Operand 17881 states and 25777 transitions. [2021-11-25 18:08:09,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-25 18:08:09,854 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:09,855 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:08:09,855 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-11-25 18:08:09,855 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 18:08:09,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:09,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1365821878, now seen corresponding path program 1 times [2021-11-25 18:08:09,856 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:09,856 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255140198] [2021-11-25 18:08:09,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:09,857 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:10,079 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-25 18:08:10,079 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:10,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255140198] [2021-11-25 18:08:10,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255140198] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:10,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:10,080 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:08:10,080 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289678891] [2021-11-25 18:08:10,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:10,081 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:08:10,081 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:10,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:08:10,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:08:10,082 INFO L87 Difference]: Start difference. First operand 17881 states and 25777 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:08:12,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:12,201 INFO L93 Difference]: Finished difference Result 17881 states and 25777 transitions. [2021-11-25 18:08:12,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:08:12,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 119 [2021-11-25 18:08:12,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:12,264 INFO L225 Difference]: With dead ends: 17881 [2021-11-25 18:08:12,265 INFO L226 Difference]: Without dead ends: 17879 [2021-11-25 18:08:12,274 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 18:08:12,275 INFO L933 BasicCegarLoop]: 2970 mSDtfsCounter, 3355 mSDsluCounter, 3386 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3360 SdHoareTripleChecker+Valid, 5934 SdHoareTripleChecker+Invalid, 851 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:12,275 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3360 Valid, 5934 Invalid, 851 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 18:08:12,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17879 states. [2021-11-25 18:08:13,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17879 to 17879. [2021-11-25 18:08:13,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17879 states, 10839 states have (on average 1.292831442014946) internal successors, (14013), 11312 states have internal predecessors, (14013), 5239 states have call successors, (5239), 1821 states have call predecessors, (5239), 1780 states have return successors, (6516), 4978 states have call predecessors, (6516), 5237 states have call successors, (6516) [2021-11-25 18:08:13,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17879 states to 17879 states and 25768 transitions. [2021-11-25 18:08:13,562 INFO L78 Accepts]: Start accepts. Automaton has 17879 states and 25768 transitions. Word has length 119 [2021-11-25 18:08:13,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:13,563 INFO L470 AbstractCegarLoop]: Abstraction has 17879 states and 25768 transitions. [2021-11-25 18:08:13,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:08:13,563 INFO L276 IsEmpty]: Start isEmpty. Operand 17879 states and 25768 transitions. [2021-11-25 18:08:13,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-25 18:08:13,567 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:13,567 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:08:13,567 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-11-25 18:08:13,567 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 18:08:13,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:13,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1712256698, now seen corresponding path program 1 times [2021-11-25 18:08:13,568 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:13,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811740080] [2021-11-25 18:08:13,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:13,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-25 18:08:13,806 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:13,806 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811740080] [2021-11-25 18:08:13,806 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811740080] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:13,806 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:13,807 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:08:13,807 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341157875] [2021-11-25 18:08:13,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:13,808 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:08:13,808 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:13,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:08:13,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:08:13,809 INFO L87 Difference]: Start difference. First operand 17879 states and 25768 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:08:17,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:17,604 INFO L93 Difference]: Finished difference Result 18042 states and 25953 transitions. [2021-11-25 18:08:17,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:08:17,605 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 121 [2021-11-25 18:08:17,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:17,660 INFO L225 Difference]: With dead ends: 18042 [2021-11-25 18:08:17,660 INFO L226 Difference]: Without dead ends: 18040 [2021-11-25 18:08:17,667 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 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 18:08:17,668 INFO L933 BasicCegarLoop]: 3757 mSDtfsCounter, 3204 mSDsluCounter, 7613 mSDsCounter, 0 mSdLazyCounter, 1288 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3209 SdHoareTripleChecker+Valid, 10523 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1288 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:17,668 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3209 Valid, 10523 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1288 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2021-11-25 18:08:17,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18040 states. [2021-11-25 18:08:18,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18040 to 17879. [2021-11-25 18:08:18,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17879 states, 10839 states have (on average 1.2924624042808377) internal successors, (14009), 11312 states have internal predecessors, (14009), 5239 states have call successors, (5239), 1821 states have call predecessors, (5239), 1780 states have return successors, (6516), 4978 states have call predecessors, (6516), 5237 states have call successors, (6516) [2021-11-25 18:08:18,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17879 states to 17879 states and 25764 transitions. [2021-11-25 18:08:18,847 INFO L78 Accepts]: Start accepts. Automaton has 17879 states and 25764 transitions. Word has length 121 [2021-11-25 18:08:18,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:18,847 INFO L470 AbstractCegarLoop]: Abstraction has 17879 states and 25764 transitions. [2021-11-25 18:08:18,847 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, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:08:18,847 INFO L276 IsEmpty]: Start isEmpty. Operand 17879 states and 25764 transitions. [2021-11-25 18:08:18,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-25 18:08:18,851 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:18,851 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] [2021-11-25 18:08:18,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-11-25 18:08:18,852 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 18:08:18,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:18,852 INFO L85 PathProgramCache]: Analyzing trace with hash -2062808112, now seen corresponding path program 1 times [2021-11-25 18:08:18,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:18,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977817905] [2021-11-25 18:08:18,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:18,853 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:19,046 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 18:08:19,046 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:19,046 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977817905] [2021-11-25 18:08:19,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977817905] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:19,047 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:19,047 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:08:19,047 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937041842] [2021-11-25 18:08:19,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:19,048 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:08:19,048 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:19,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:08:19,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:08:19,049 INFO L87 Difference]: Start difference. First operand 17879 states and 25764 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, (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 18:08:21,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:21,373 INFO L93 Difference]: Finished difference Result 17879 states and 25764 transitions. [2021-11-25 18:08:21,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:08:21,373 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, (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 112 [2021-11-25 18:08:21,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:21,438 INFO L225 Difference]: With dead ends: 17879 [2021-11-25 18:08:21,438 INFO L226 Difference]: Without dead ends: 17877 [2021-11-25 18:08:21,449 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 18:08:21,450 INFO L933 BasicCegarLoop]: 2968 mSDtfsCounter, 3361 mSDsluCounter, 3392 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3363 SdHoareTripleChecker+Valid, 5936 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:21,450 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3363 Valid, 5936 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2021-11-25 18:08:21,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17877 states. [2021-11-25 18:08:22,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17877 to 17877. [2021-11-25 18:08:22,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17877 states, 10838 states have (on average 1.2923048532939656) internal successors, (14006), 11310 states have internal predecessors, (14006), 5239 states have call successors, (5239), 1821 states have call predecessors, (5239), 1780 states have return successors, (6516), 4978 states have call predecessors, (6516), 5237 states have call successors, (6516) [2021-11-25 18:08:22,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17877 states to 17877 states and 25761 transitions. [2021-11-25 18:08:22,828 INFO L78 Accepts]: Start accepts. Automaton has 17877 states and 25761 transitions. Word has length 112 [2021-11-25 18:08:22,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:22,830 INFO L470 AbstractCegarLoop]: Abstraction has 17877 states and 25761 transitions. [2021-11-25 18:08:22,830 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, (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 18:08:22,830 INFO L276 IsEmpty]: Start isEmpty. Operand 17877 states and 25761 transitions. [2021-11-25 18:08:22,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-25 18:08:22,834 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:22,834 INFO L514 BasicCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:08:22,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-11-25 18:08:22,834 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2021-11-25 18:08:22,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:22,835 INFO L85 PathProgramCache]: Analyzing trace with hash 513263234, now seen corresponding path program 1 times [2021-11-25 18:08:22,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:22,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475605779] [2021-11-25 18:08:22,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:22,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:22,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2021-11-25 18:08:23,069 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:23,070 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475605779] [2021-11-25 18:08:23,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [475605779] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:23,070 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:23,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:08:23,070 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783540326] [2021-11-25 18:08:23,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:23,071 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:08:23,071 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:23,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:08:23,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:08:23,072 INFO L87 Difference]: Start difference. First operand 17877 states and 25761 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:08:25,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:25,640 INFO L93 Difference]: Finished difference Result 17877 states and 25761 transitions. [2021-11-25 18:08:25,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:08:25,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 123 [2021-11-25 18:08:25,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:25,711 INFO L225 Difference]: With dead ends: 17877 [2021-11-25 18:08:25,712 INFO L226 Difference]: Without dead ends: 17875 [2021-11-25 18:08:25,723 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 18:08:25,724 INFO L933 BasicCegarLoop]: 2966 mSDtfsCounter, 3339 mSDsluCounter, 3390 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3344 SdHoareTripleChecker+Valid, 5932 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:25,725 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3344 Valid, 5932 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 18:08:25,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17875 states. [2021-11-25 18:08:27,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17875 to 17875. [2021-11-25 18:08:27,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17875 states, 10837 states have (on average 1.291593614468949) internal successors, (13997), 11308 states have internal predecessors, (13997), 5239 states have call successors, (5239), 1821 states have call predecessors, (5239), 1780 states have return successors, (6516), 4978 states have call predecessors, (6516), 5237 states have call successors, (6516) [2021-11-25 18:08:27,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17875 states to 17875 states and 25752 transitions. [2021-11-25 18:08:27,107 INFO L78 Accepts]: Start accepts. Automaton has 17875 states and 25752 transitions. Word has length 123 [2021-11-25 18:08:27,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:27,108 INFO L470 AbstractCegarLoop]: Abstraction has 17875 states and 25752 transitions. [2021-11-25 18:08:27,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2021-11-25 18:08:27,108 INFO L276 IsEmpty]: Start isEmpty. Operand 17875 states and 25752 transitions. [2021-11-25 18:08:27,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-25 18:08:27,112 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:27,112 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:08:27,112 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-11-25 18:08:27,113 INFO L402 AbstractCegarLoop]: === Iteration 23 === 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 34 more)] === [2021-11-25 18:08:27,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:27,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1637875136, now seen corresponding path program 1 times [2021-11-25 18:08:27,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:27,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951587668] [2021-11-25 18:08:27,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:27,114 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:27,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2021-11-25 18:08:27,370 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:27,370 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951587668] [2021-11-25 18:08:27,370 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951587668] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:27,370 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:27,370 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:08:27,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162479292] [2021-11-25 18:08:27,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:27,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:08:27,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:27,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:08:27,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:08:27,372 INFO L87 Difference]: Start difference. First operand 17875 states and 25752 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), 2 states have call predecessors, (26), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-25 18:08:30,046 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:08:32,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:32,548 INFO L93 Difference]: Finished difference Result 35748 states and 53113 transitions. [2021-11-25 18:08:32,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:08:32,549 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), 2 states have call predecessors, (26), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2021-11-25 18:08:32,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:32,622 INFO L225 Difference]: With dead ends: 35748 [2021-11-25 18:08:32,623 INFO L226 Difference]: Without dead ends: 17887 [2021-11-25 18:08:32,728 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:08:32,728 INFO L933 BasicCegarLoop]: 2966 mSDtfsCounter, 2 mSDsluCounter, 10168 mSDsCounter, 0 mSdLazyCounter, 1717 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11857 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:32,729 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 11857 Invalid, 1718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1717 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2021-11-25 18:08:32,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17887 states. [2021-11-25 18:08:33,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17887 to 17887. [2021-11-25 18:08:33,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17887 states, 10845 states have (on average 1.290640848317197) internal successors, (13997), 11324 states have internal predecessors, (13997), 5231 states have call successors, (5231), 1821 states have call predecessors, (5231), 1792 states have return successors, (6536), 4974 states have call predecessors, (6536), 5229 states have call successors, (6536) [2021-11-25 18:08:33,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17887 states to 17887 states and 25764 transitions. [2021-11-25 18:08:33,983 INFO L78 Accepts]: Start accepts. Automaton has 17887 states and 25764 transitions. Word has length 142 [2021-11-25 18:08:33,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:33,984 INFO L470 AbstractCegarLoop]: Abstraction has 17887 states and 25764 transitions. [2021-11-25 18:08:33,985 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), 2 states have call predecessors, (26), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2021-11-25 18:08:33,985 INFO L276 IsEmpty]: Start isEmpty. Operand 17887 states and 25764 transitions. [2021-11-25 18:08:33,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-25 18:08:33,989 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:33,989 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] [2021-11-25 18:08:33,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-11-25 18:08:33,990 INFO L402 AbstractCegarLoop]: === Iteration 24 === 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 34 more)] === [2021-11-25 18:08:33,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:33,990 INFO L85 PathProgramCache]: Analyzing trace with hash 1305491188, now seen corresponding path program 1 times [2021-11-25 18:08:33,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:33,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182690589] [2021-11-25 18:08:33,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:33,991 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:34,197 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 18:08:34,198 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:34,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182690589] [2021-11-25 18:08:34,198 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182690589] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:34,198 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:34,199 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:08:34,199 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651121757] [2021-11-25 18:08:34,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:34,200 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:08:34,200 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:34,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:08:34,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:08:34,201 INFO L87 Difference]: Start difference. First operand 17887 states and 25764 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, (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 18:08:36,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:36,890 INFO L93 Difference]: Finished difference Result 17887 states and 25764 transitions. [2021-11-25 18:08:36,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:08:36,891 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, (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 117 [2021-11-25 18:08:36,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:36,960 INFO L225 Difference]: With dead ends: 17887 [2021-11-25 18:08:36,960 INFO L226 Difference]: Without dead ends: 17885 [2021-11-25 18:08:36,969 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 18:08:36,970 INFO L933 BasicCegarLoop]: 2964 mSDtfsCounter, 3356 mSDsluCounter, 3389 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3358 SdHoareTripleChecker+Valid, 5928 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:36,970 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3358 Valid, 5928 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-25 18:08:36,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17885 states. [2021-11-25 18:08:38,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17885 to 17885. [2021-11-25 18:08:38,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17885 states, 10844 states have (on average 1.2904832165252673) internal successors, (13994), 11322 states have internal predecessors, (13994), 5231 states have call successors, (5231), 1821 states have call predecessors, (5231), 1792 states have return successors, (6536), 4974 states have call predecessors, (6536), 5229 states have call successors, (6536) [2021-11-25 18:08:38,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17885 states to 17885 states and 25761 transitions. [2021-11-25 18:08:38,430 INFO L78 Accepts]: Start accepts. Automaton has 17885 states and 25761 transitions. Word has length 117 [2021-11-25 18:08:38,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:38,431 INFO L470 AbstractCegarLoop]: Abstraction has 17885 states and 25761 transitions. [2021-11-25 18:08:38,431 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, (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 18:08:38,431 INFO L276 IsEmpty]: Start isEmpty. Operand 17885 states and 25761 transitions. [2021-11-25 18:08:38,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-25 18:08:38,436 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:38,436 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] [2021-11-25 18:08:38,436 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-11-25 18:08:38,436 INFO L402 AbstractCegarLoop]: === Iteration 25 === 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 34 more)] === [2021-11-25 18:08:38,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:38,437 INFO L85 PathProgramCache]: Analyzing trace with hash 670706919, now seen corresponding path program 1 times [2021-11-25 18:08:38,437 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:38,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477976642] [2021-11-25 18:08:38,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:38,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:38,648 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 18:08:38,648 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:38,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477976642] [2021-11-25 18:08:38,648 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477976642] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:38,648 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:38,649 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:08:38,649 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879618378] [2021-11-25 18:08:38,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:38,650 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:08:38,650 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:38,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:08:38,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:08:38,651 INFO L87 Difference]: Start difference. First operand 17885 states and 25761 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, (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 18:08:41,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:41,556 INFO L93 Difference]: Finished difference Result 17885 states and 25761 transitions. [2021-11-25 18:08:41,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-25 18:08:41,557 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, (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 122 [2021-11-25 18:08:41,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:41,621 INFO L225 Difference]: With dead ends: 17885 [2021-11-25 18:08:41,621 INFO L226 Difference]: Without dead ends: 17883 [2021-11-25 18:08:41,631 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 18:08:41,632 INFO L933 BasicCegarLoop]: 2962 mSDtfsCounter, 3353 mSDsluCounter, 3387 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3355 SdHoareTripleChecker+Valid, 5924 SdHoareTripleChecker+Invalid, 853 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:41,632 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3355 Valid, 5924 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2021-11-25 18:08:41,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17883 states. [2021-11-25 18:08:43,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17883 to 17883. [2021-11-25 18:08:43,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17883 states, 10843 states have (on average 1.2903255556580282) internal successors, (13991), 11320 states have internal predecessors, (13991), 5231 states have call successors, (5231), 1821 states have call predecessors, (5231), 1792 states have return successors, (6536), 4974 states have call predecessors, (6536), 5229 states have call successors, (6536) [2021-11-25 18:08:43,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17883 states to 17883 states and 25758 transitions. [2021-11-25 18:08:43,163 INFO L78 Accepts]: Start accepts. Automaton has 17883 states and 25758 transitions. Word has length 122 [2021-11-25 18:08:43,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:43,163 INFO L470 AbstractCegarLoop]: Abstraction has 17883 states and 25758 transitions. [2021-11-25 18:08:43,163 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, (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 18:08:43,164 INFO L276 IsEmpty]: Start isEmpty. Operand 17883 states and 25758 transitions. [2021-11-25 18:08:43,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-25 18:08:43,169 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:43,169 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] [2021-11-25 18:08:43,170 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2021-11-25 18:08:43,170 INFO L402 AbstractCegarLoop]: === Iteration 26 === 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 34 more)] === [2021-11-25 18:08:43,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:43,171 INFO L85 PathProgramCache]: Analyzing trace with hash -53301027, now seen corresponding path program 1 times [2021-11-25 18:08:43,171 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:43,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969628389] [2021-11-25 18:08:43,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:43,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:43,424 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 18:08:43,425 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:43,425 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969628389] [2021-11-25 18:08:43,425 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969628389] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:43,425 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:43,425 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-25 18:08:43,426 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185950129] [2021-11-25 18:08:43,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:43,427 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-25 18:08:43,427 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:43,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-25 18:08:43,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-25 18:08:43,429 INFO L87 Difference]: Start difference. First operand 17883 states and 25758 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, (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 18:08:49,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:49,519 INFO L93 Difference]: Finished difference Result 53129 states and 83000 transitions. [2021-11-25 18:08:49,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:08:49,520 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, (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 127 [2021-11-25 18:08:49,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:49,872 INFO L225 Difference]: With dead ends: 53129 [2021-11-25 18:08:49,872 INFO L226 Difference]: Without dead ends: 35260 [2021-11-25 18:08:49,982 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 18:08:49,983 INFO L933 BasicCegarLoop]: 3741 mSDtfsCounter, 3342 mSDsluCounter, 7555 mSDsCounter, 0 mSdLazyCounter, 1283 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3344 SdHoareTripleChecker+Valid, 10451 SdHoareTripleChecker+Invalid, 1287 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1283 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:49,983 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3344 Valid, 10451 Invalid, 1287 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1283 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2021-11-25 18:08:50,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35260 states. [2021-11-25 18:08:52,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35260 to 35185. [2021-11-25 18:08:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35185 states, 21353 states have (on average 1.2906383178007774) internal successors, (27559), 22298 states have internal predecessors, (27559), 10277 states have call successors, (10277), 3603 states have call predecessors, (10277), 3538 states have return successors, (16111), 9748 states have call predecessors, (16111), 10275 states have call successors, (16111) [2021-11-25 18:08:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35185 states to 35185 states and 53947 transitions. [2021-11-25 18:08:53,013 INFO L78 Accepts]: Start accepts. Automaton has 35185 states and 53947 transitions. Word has length 127 [2021-11-25 18:08:53,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:08:53,014 INFO L470 AbstractCegarLoop]: Abstraction has 35185 states and 53947 transitions. [2021-11-25 18:08:53,014 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, (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 18:08:53,014 INFO L276 IsEmpty]: Start isEmpty. Operand 35185 states and 53947 transitions. [2021-11-25 18:08:53,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2021-11-25 18:08:53,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:08:53,019 INFO L514 BasicCegarLoop]: trace histogram [8, 8, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:08:53,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2021-11-25 18:08:53,019 INFO L402 AbstractCegarLoop]: === Iteration 27 === 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 34 more)] === [2021-11-25 18:08:53,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:08:53,020 INFO L85 PathProgramCache]: Analyzing trace with hash -775569460, now seen corresponding path program 1 times [2021-11-25 18:08:53,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:08:53,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288481287] [2021-11-25 18:08:53,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:08:53,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:08:53,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:08:53,322 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-25 18:08:53,322 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:08:53,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288481287] [2021-11-25 18:08:53,323 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288481287] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:08:53,323 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:08:53,323 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:08:53,323 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261893745] [2021-11-25 18:08:53,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:08:53,324 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:08:53,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:08:53,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:08:53,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:08:53,325 INFO L87 Difference]: Start difference. First operand 35185 states and 53947 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2021-11-25 18:08:59,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:08:59,047 INFO L93 Difference]: Finished difference Result 70372 states and 114196 transitions. [2021-11-25 18:08:59,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-25 18:08:59,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (32), 2 states have call predecessors, (32), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 162 [2021-11-25 18:08:59,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:08:59,204 INFO L225 Difference]: With dead ends: 70372 [2021-11-25 18:08:59,204 INFO L226 Difference]: Without dead ends: 35201 [2021-11-25 18:08:59,574 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:08:59,575 INFO L933 BasicCegarLoop]: 2962 mSDtfsCounter, 2 mSDsluCounter, 10157 mSDsCounter, 0 mSdLazyCounter, 1717 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11841 SdHoareTripleChecker+Invalid, 1718 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1717 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:08:59,575 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2 Valid, 11841 Invalid, 1718 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1717 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2021-11-25 18:08:59,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35201 states.