./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0/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_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0 --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 19:41:20,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:41:20,132 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:41:20,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:41:20,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:41:20,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:41:20,173 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:41:20,178 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:41:20,180 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:41:20,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:41:20,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:41:20,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:41:20,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:41:20,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:41:20,189 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:41:20,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:41:20,191 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:41:20,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:41:20,193 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:41:20,203 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:41:20,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:41:20,207 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:41:20,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:41:20,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:41:20,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:41:20,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:41:20,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:41:20,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:41:20,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:41:20,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:41:20,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:41:20,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:41:20,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:41:20,224 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:41:20,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:41:20,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:41:20,226 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:41:20,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:41:20,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:41:20,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:41:20,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:41:20,235 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 19:41:20,272 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:41:20,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:41:20,272 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:41:20,272 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:41:20,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:41:20,273 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:41:20,273 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:41:20,273 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:41:20,274 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:41:20,274 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:41:20,278 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:41:20,279 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:41:20,279 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:41:20,279 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:41:20,279 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:41:20,279 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:41:20,280 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:41:20,280 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:41:20,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:41:20,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:41:20,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:41:20,281 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:41:20,281 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:41:20,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:41:20,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:41:20,282 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:41:20,282 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:41:20,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:41:20,283 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:41:20,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:41:20,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:41:20,284 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:41:20,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:41:20,284 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:41:20,285 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:41:20,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:41:20,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:41:20,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:41:20,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2e40c074e34eae853879e913dea35acffb5001042b37759d8583ab68da2fb52 [2022-11-16 19:41:20,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:41:20,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:41:20,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:41:20,603 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:41:20,604 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:41:20,605 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i [2022-11-16 19:41:20,693 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0/data/fd6d0ac35/3d640ee2ae994ec8aaad6994505de245/FLAG615b4cdeb [2022-11-16 19:41:21,801 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:41:21,802 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i [2022-11-16 19:41:21,869 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0/data/fd6d0ac35/3d640ee2ae994ec8aaad6994505de245/FLAG615b4cdeb [2022-11-16 19:41:22,114 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0/data/fd6d0ac35/3d640ee2ae994ec8aaad6994505de245 [2022-11-16 19:41:22,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:41:22,120 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:41:22,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:41:22,122 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:41:22,125 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:41:22,126 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:41:22" (1/1) ... [2022-11-16 19:41:22,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cffb58d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:22, skipping insertion in model container [2022-11-16 19:41:22,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:41:22" (1/1) ... [2022-11-16 19:41:22,135 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:41:22,317 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:41:28,781 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552584,552597] [2022-11-16 19:41:28,785 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552729,552742] [2022-11-16 19:41:28,786 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552875,552888] [2022-11-16 19:41:28,793 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553040,553053] [2022-11-16 19:41:28,796 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553198,553211] [2022-11-16 19:41:28,797 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553356,553369] [2022-11-16 19:41:28,797 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553514,553527] [2022-11-16 19:41:28,803 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553674,553687] [2022-11-16 19:41:28,804 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553833,553846] [2022-11-16 19:41:28,804 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553972,553985] [2022-11-16 19:41:28,805 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554114,554127] [2022-11-16 19:41:28,806 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554263,554276] [2022-11-16 19:41:28,807 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554402,554415] [2022-11-16 19:41:28,807 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554557,554570] [2022-11-16 19:41:28,808 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554717,554730] [2022-11-16 19:41:28,808 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554868,554881] [2022-11-16 19:41:28,809 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555019,555032] [2022-11-16 19:41:28,809 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555171,555184] [2022-11-16 19:41:28,811 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555320,555333] [2022-11-16 19:41:28,812 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555468,555481] [2022-11-16 19:41:28,813 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555625,555638] [2022-11-16 19:41:28,813 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555774,555787] [2022-11-16 19:41:28,816 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555930,555943] [2022-11-16 19:41:28,817 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556083,556096] [2022-11-16 19:41:28,818 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556229,556242] [2022-11-16 19:41:28,819 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556372,556385] [2022-11-16 19:41:28,819 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556524,556537] [2022-11-16 19:41:28,821 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556670,556683] [2022-11-16 19:41:28,821 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556815,556828] [2022-11-16 19:41:28,823 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556969,556982] [2022-11-16 19:41:28,824 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557120,557133] [2022-11-16 19:41:28,824 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557275,557288] [2022-11-16 19:41:28,825 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557427,557440] [2022-11-16 19:41:28,826 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557582,557595] [2022-11-16 19:41:28,826 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557746,557759] [2022-11-16 19:41:28,827 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557902,557915] [2022-11-16 19:41:28,827 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558066,558079] [2022-11-16 19:41:28,828 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558208,558221] [2022-11-16 19:41:28,829 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558366,558379] [2022-11-16 19:41:28,829 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558533,558546] [2022-11-16 19:41:28,831 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558692,558705] [2022-11-16 19:41:28,832 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558851,558864] [2022-11-16 19:41:28,832 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559000,559013] [2022-11-16 19:41:28,833 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559147,559160] [2022-11-16 19:41:28,833 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559286,559299] [2022-11-16 19:41:28,836 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559449,559462] [2022-11-16 19:41:28,837 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559615,559628] [2022-11-16 19:41:28,839 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559779,559792] [2022-11-16 19:41:28,839 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559944,559957] [2022-11-16 19:41:28,840 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560109,560122] [2022-11-16 19:41:28,840 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560275,560288] [2022-11-16 19:41:28,841 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560440,560453] [2022-11-16 19:41:28,841 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560607,560620] [2022-11-16 19:41:28,842 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560767,560780] [2022-11-16 19:41:28,843 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560929,560942] [2022-11-16 19:41:28,844 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561088,561101] [2022-11-16 19:41:28,845 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561234,561247] [2022-11-16 19:41:28,850 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561377,561390] [2022-11-16 19:41:28,851 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561521,561534] [2022-11-16 19:41:28,852 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561664,561677] [2022-11-16 19:41:28,853 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561808,561821] [2022-11-16 19:41:28,854 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561949,561962] [2022-11-16 19:41:28,854 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562087,562100] [2022-11-16 19:41:28,855 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562245,562258] [2022-11-16 19:41:28,855 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562404,562417] [2022-11-16 19:41:28,856 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562560,562573] [2022-11-16 19:41:28,856 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562709,562722] [2022-11-16 19:41:28,857 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562861,562874] [2022-11-16 19:41:28,857 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563012,563025] [2022-11-16 19:41:28,858 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563161,563174] [2022-11-16 19:41:28,859 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563313,563326] [2022-11-16 19:41:28,860 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563461,563474] [2022-11-16 19:41:28,861 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563614,563627] [2022-11-16 19:41:28,862 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563765,563778] [2022-11-16 19:41:28,862 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563915,563928] [2022-11-16 19:41:28,863 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564062,564075] [2022-11-16 19:41:28,863 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564213,564226] [2022-11-16 19:41:28,864 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564364,564377] [2022-11-16 19:41:28,864 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564512,564525] [2022-11-16 19:41:28,865 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564678,564691] [2022-11-16 19:41:28,865 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564847,564860] [2022-11-16 19:41:28,866 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565014,565027] [2022-11-16 19:41:28,866 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565182,565195] [2022-11-16 19:41:28,867 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565332,565345] [2022-11-16 19:41:28,868 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565479,565492] [2022-11-16 19:41:28,869 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565640,565653] [2022-11-16 19:41:28,869 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565810,565823] [2022-11-16 19:41:28,870 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565972,565985] [2022-11-16 19:41:28,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:41:28,979 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:41:29,587 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552584,552597] [2022-11-16 19:41:29,588 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552729,552742] [2022-11-16 19:41:29,588 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[552875,552888] [2022-11-16 19:41:29,588 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553040,553053] [2022-11-16 19:41:29,589 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553198,553211] [2022-11-16 19:41:29,590 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553356,553369] [2022-11-16 19:41:29,590 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553514,553527] [2022-11-16 19:41:29,591 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553674,553687] [2022-11-16 19:41:29,591 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553833,553846] [2022-11-16 19:41:29,592 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[553972,553985] [2022-11-16 19:41:29,593 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554114,554127] [2022-11-16 19:41:29,593 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554263,554276] [2022-11-16 19:41:29,594 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554402,554415] [2022-11-16 19:41:29,594 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554557,554570] [2022-11-16 19:41:29,594 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554717,554730] [2022-11-16 19:41:29,595 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[554868,554881] [2022-11-16 19:41:29,595 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555019,555032] [2022-11-16 19:41:29,596 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555171,555184] [2022-11-16 19:41:29,596 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555320,555333] [2022-11-16 19:41:29,597 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555468,555481] [2022-11-16 19:41:29,598 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555625,555638] [2022-11-16 19:41:29,598 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555774,555787] [2022-11-16 19:41:29,600 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[555930,555943] [2022-11-16 19:41:29,600 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556083,556096] [2022-11-16 19:41:29,601 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556229,556242] [2022-11-16 19:41:29,601 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556372,556385] [2022-11-16 19:41:29,602 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556524,556537] [2022-11-16 19:41:29,603 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556670,556683] [2022-11-16 19:41:29,603 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556815,556828] [2022-11-16 19:41:29,603 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[556969,556982] [2022-11-16 19:41:29,604 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557120,557133] [2022-11-16 19:41:29,604 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557275,557288] [2022-11-16 19:41:29,605 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557427,557440] [2022-11-16 19:41:29,606 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557582,557595] [2022-11-16 19:41:29,606 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557746,557759] [2022-11-16 19:41:29,607 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[557902,557915] [2022-11-16 19:41:29,607 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558066,558079] [2022-11-16 19:41:29,609 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558208,558221] [2022-11-16 19:41:29,610 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558366,558379] [2022-11-16 19:41:29,610 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558533,558546] [2022-11-16 19:41:29,611 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558692,558705] [2022-11-16 19:41:29,612 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[558851,558864] [2022-11-16 19:41:29,613 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559000,559013] [2022-11-16 19:41:29,613 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559147,559160] [2022-11-16 19:41:29,614 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559286,559299] [2022-11-16 19:41:29,615 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559449,559462] [2022-11-16 19:41:29,615 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559615,559628] [2022-11-16 19:41:29,615 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559779,559792] [2022-11-16 19:41:29,616 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[559944,559957] [2022-11-16 19:41:29,616 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560109,560122] [2022-11-16 19:41:29,617 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560275,560288] [2022-11-16 19:41:29,617 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560440,560453] [2022-11-16 19:41:29,617 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560607,560620] [2022-11-16 19:41:29,618 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560767,560780] [2022-11-16 19:41:29,619 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[560929,560942] [2022-11-16 19:41:29,620 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561088,561101] [2022-11-16 19:41:29,623 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561234,561247] [2022-11-16 19:41:29,624 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561377,561390] [2022-11-16 19:41:29,624 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561521,561534] [2022-11-16 19:41:29,624 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561664,561677] [2022-11-16 19:41:29,626 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561808,561821] [2022-11-16 19:41:29,627 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[561949,561962] [2022-11-16 19:41:29,628 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562087,562100] [2022-11-16 19:41:29,632 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562245,562258] [2022-11-16 19:41:29,633 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562404,562417] [2022-11-16 19:41:29,640 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562560,562573] [2022-11-16 19:41:29,641 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562709,562722] [2022-11-16 19:41:29,642 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[562861,562874] [2022-11-16 19:41:29,646 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563012,563025] [2022-11-16 19:41:29,647 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563161,563174] [2022-11-16 19:41:29,647 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563313,563326] [2022-11-16 19:41:29,648 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563461,563474] [2022-11-16 19:41:29,648 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563614,563627] [2022-11-16 19:41:29,648 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563765,563778] [2022-11-16 19:41:29,649 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[563915,563928] [2022-11-16 19:41:29,649 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564062,564075] [2022-11-16 19:41:29,650 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564213,564226] [2022-11-16 19:41:29,650 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564364,564377] [2022-11-16 19:41:29,650 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564512,564525] [2022-11-16 19:41:29,651 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564678,564691] [2022-11-16 19:41:29,652 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[564847,564860] [2022-11-16 19:41:29,653 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565014,565027] [2022-11-16 19:41:29,654 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565182,565195] [2022-11-16 19:41:29,654 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565332,565345] [2022-11-16 19:41:29,655 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565479,565492] [2022-11-16 19:41:29,655 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565640,565653] [2022-11-16 19:41:29,655 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565810,565823] [2022-11-16 19:41:29,656 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--net--team--team.ko.cil.i[565972,565985] [2022-11-16 19:41:29,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:41:30,214 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:41:30,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:30 WrapperNode [2022-11-16 19:41:30,214 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:41:30,215 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:41:30,216 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:41:30,216 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:41:30,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:30" (1/1) ... [2022-11-16 19:41:30,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:30" (1/1) ... [2022-11-16 19:41:30,645 INFO L138 Inliner]: procedures = 918, calls = 3174, calls flagged for inlining = 418, calls inlined = 342, statements flattened = 8020 [2022-11-16 19:41:30,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:41:30,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:41:30,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:41:30,646 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:41:30,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:30" (1/1) ... [2022-11-16 19:41:30,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:30" (1/1) ... [2022-11-16 19:41:30,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:30" (1/1) ... [2022-11-16 19:41:30,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:30" (1/1) ... [2022-11-16 19:41:30,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:30" (1/1) ... [2022-11-16 19:41:30,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:30" (1/1) ... [2022-11-16 19:41:31,054 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:30" (1/1) ... [2022-11-16 19:41:31,086 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:30" (1/1) ... [2022-11-16 19:41:31,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:41:31,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:41:31,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:41:31,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:41:31,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:30" (1/1) ... [2022-11-16 19:41:31,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:41:31,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:41:31,175 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:41:31,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ace75eb-d169-4bfd-8a53-7d98c549c4c3/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:41:31,224 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_u32 [2022-11-16 19:41:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_u32 [2022-11-16 19:41:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-11-16 19:41:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-11-16 19:41:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_get [2022-11-16 19:41:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_get [2022-11-16 19:41:31,225 INFO L130 BoogieDeclarations]: Found specification of procedure __team_change_mode [2022-11-16 19:41:31,225 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_change_mode [2022-11-16 19:41:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u32 [2022-11-16 19:41:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u32 [2022-11-16 19:41:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_131 [2022-11-16 19:41:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_131 [2022-11-16 19:41:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure team_init [2022-11-16 19:41:31,226 INFO L138 BoogieDeclarations]: Found implementation of procedure team_init [2022-11-16 19:41:31,226 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_set [2022-11-16 19:41:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_set [2022-11-16 19:41:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure team_del_slave [2022-11-16 19:41:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure team_del_slave [2022-11-16 19:41:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_if_positive [2022-11-16 19:41:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_if_positive [2022-11-16 19:41:31,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-16 19:41:31,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-16 19:41:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-16 19:41:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-16 19:41:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-16 19:41:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-16 19:41:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure free_percpu [2022-11-16 19:41:31,228 INFO L138 BoogieDeclarations]: Found implementation of procedure free_percpu [2022-11-16 19:41:31,228 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_get [2022-11-16 19:41:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_get [2022-11-16 19:41:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-16 19:41:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_net_rtnetlink__double_lock [2022-11-16 19:41:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_override_fini [2022-11-16 19:41:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_override_fini [2022-11-16 19:41:31,229 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-16 19:41:31,229 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-16 19:41:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_get_rtnl [2022-11-16 19:41:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_get_rtnl [2022-11-16 19:41:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-16 19:41:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-16 19:41:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_mac_address [2022-11-16 19:41:31,230 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_mac_address [2022-11-16 19:41:31,230 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_set [2022-11-16 19:41:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_set [2022-11-16 19:41:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure team_add_slave [2022-11-16 19:41:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure team_add_slave [2022-11-16 19:41:31,231 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add [2022-11-16 19:41:31,231 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add [2022-11-16 19:41:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_option [2022-11-16 19:41:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_option [2022-11-16 19:41:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_put [2022-11-16 19:41:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_put [2022-11-16 19:41:31,232 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-16 19:41:31,232 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-16 19:41:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-16 19:41:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-16 19:41:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_new [2022-11-16 19:41:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_new [2022-11-16 19:41:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers [2022-11-16 19:41:31,233 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers [2022-11-16 19:41:31,233 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_del_rcu [2022-11-16 19:41:31,234 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_del_rcu [2022-11-16 19:41:31,234 INFO L130 BoogieDeclarations]: Found specification of procedure __team_netpoll_cleanup [2022-11-16 19:41:31,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_netpoll_cleanup [2022-11-16 19:41:31,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-16 19:41:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-16 19:41:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-16 19:41:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-16 19:41:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_u8 [2022-11-16 19:41:31,239 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_u8 [2022-11-16 19:41:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 19:41:31,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-16 19:41:31,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-16 19:41:31,240 INFO L130 BoogieDeclarations]: Found specification of procedure __find_mode [2022-11-16 19:41:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __find_mode [2022-11-16 19:41:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure team_ethtool_get_drvinfo [2022-11-16 19:41:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure team_ethtool_get_drvinfo [2022-11-16 19:41:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-16 19:41:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-16 19:41:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-11-16 19:41:31,241 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-11-16 19:41:31,241 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_rx_mode [2022-11-16 19:41:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_rx_mode [2022-11-16 19:41:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-16 19:41:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-16 19:41:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-16 19:41:31,242 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-16 19:41:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 19:41:31,242 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-16 19:41:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-16 19:41:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:41:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-16 19:41:31,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-16 19:41:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 19:41:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-16 19:41:31,243 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_get [2022-11-16 19:41:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_get [2022-11-16 19:41:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_set [2022-11-16 19:41:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_set [2022-11-16 19:41:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_48 [2022-11-16 19:41:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_48 [2022-11-16 19:41:31,244 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_set [2022-11-16 19:41:31,244 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_set [2022-11-16 19:41:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-16 19:41:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-16 19:41:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_get [2022-11-16 19:41:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_get [2022-11-16 19:41:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_del [2022-11-16 19:41:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_del [2022-11-16 19:41:31,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2022-11-16 19:41:31,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2022-11-16 19:41:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_team [2022-11-16 19:41:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_team [2022-11-16 19:41:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin [2022-11-16 19:41:31,246 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin [2022-11-16 19:41:31,246 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-11-16 19:41:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-11-16 19:41:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:41:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:41:31,247 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_noop [2022-11-16 19:41:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_noop [2022-11-16 19:41:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_orig_dev_addr [2022-11-16 19:41:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_orig_dev_addr [2022-11-16 19:41:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_port_get [2022-11-16 19:41:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_port_get [2022-11-16 19:41:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-16 19:41:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_register [2022-11-16 19:41:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_register [2022-11-16 19:41:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_11 [2022-11-16 19:41:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_11 [2022-11-16 19:41:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-16 19:41:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-16 19:41:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_trim [2022-11-16 19:41:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_trim [2022-11-16 19:41:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_option [2022-11-16 19:41:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_option [2022-11-16 19:41:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-16 19:41:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_rcu [2022-11-16 19:41:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_rcu [2022-11-16 19:41:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_cancel [2022-11-16 19:41:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_cancel [2022-11-16 19:41:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure hlist_add_head_rcu [2022-11-16 19:41:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure hlist_add_head_rcu [2022-11-16 19:41:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_36 [2022-11-16 19:41:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_36 [2022-11-16 19:41:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-16 19:41:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-16 19:41:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_get [2022-11-16 19:41:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_get [2022-11-16 19:41:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_0_29 [2022-11-16 19:41:31,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_0_29 [2022-11-16 19:41:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-16 19:41:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-16 19:41:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-11-16 19:41:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-11-16 19:41:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_en_option_get [2022-11-16 19:41:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_en_option_get [2022-11-16 19:41:31,252 INFO L130 BoogieDeclarations]: Found specification of procedure nla_len [2022-11-16 19:41:31,252 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_len [2022-11-16 19:41:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-16 19:41:31,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-16 19:41:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 19:41:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-16 19:41:31,253 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-16 19:41:31,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-16 19:41:31,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-16 19:41:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable_netpoll [2022-11-16 19:41:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable_netpoll [2022-11-16 19:41:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 19:41:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail_rcu [2022-11-16 19:41:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail_rcu [2022-11-16 19:41:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_options_get [2022-11-16 19:41:31,254 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_options_get [2022-11-16 19:41:31,254 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_en_option_set [2022-11-16 19:41:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_en_option_set [2022-11-16 19:41:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_module_put [2022-11-16 19:41:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_module_put [2022-11-16 19:41:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure __team_find_option [2022-11-16 19:41:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_find_option [2022-11-16 19:41:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-11-16 19:41:31,255 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-11-16 19:41:31,255 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-16 19:41:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-16 19:41:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-16 19:41:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-16 19:41:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-16 19:41:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-16 19:41:31,256 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_fill_one_option_get [2022-11-16 19:41:31,256 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_fill_one_option_get [2022-11-16 19:41:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_set [2022-11-16 19:41:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_set [2022-11-16 19:41:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure team_is_mode_set [2022-11-16 19:41:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure team_is_mode_set [2022-11-16 19:41:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-16 19:41:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-16 19:41:31,257 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_change_check [2022-11-16 19:41:31,257 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_change_check [2022-11-16 19:41:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-16 19:41:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-16 19:41:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_register_149 [2022-11-16 19:41:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_register_149 [2022-11-16 19:41:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure __team_compute_features [2022-11-16 19:41:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_compute_features [2022-11-16 19:41:31,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-16 19:41:31,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-16 19:41:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-16 19:41:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-16 19:41:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_leave [2022-11-16 19:41:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_leave [2022-11-16 19:41:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure __send_and_alloc_skb [2022-11-16 19:41:31,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __send_and_alloc_skb [2022-11-16 19:41:31,259 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-16 19:41:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-16 19:41:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-16 19:41:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-16 19:41:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-16 19:41:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-16 19:41:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_cancel [2022-11-16 19:41:31,260 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_cancel [2022-11-16 19:41:31,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 19:41:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 19:41:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 19:41:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_options_get [2022-11-16 19:41:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_options_get [2022-11-16 19:41:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_increment_features [2022-11-16 19:41:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_increment_features [2022-11-16 19:41:31,261 INFO L130 BoogieDeclarations]: Found specification of procedure team_open [2022-11-16 19:41:31,261 INFO L138 BoogieDeclarations]: Found implementation of procedure team_open [2022-11-16 19:41:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add_port [2022-11-16 19:41:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add_port [2022-11-16 19:41:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_add [2022-11-16 19:41:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_add [2022-11-16 19:41:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_change_check [2022-11-16 19:41:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_change_check [2022-11-16 19:41:31,262 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-16 19:41:31,262 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-16 19:41:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put [2022-11-16 19:41:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put [2022-11-16 19:41:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_count_get [2022-11-16 19:41:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_count_get [2022-11-16 19:41:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure team_validate [2022-11-16 19:41:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure team_validate [2022-11-16 19:41:31,263 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_flag [2022-11-16 19:41:31,263 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_flag [2022-11-16 19:41:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-16 19:41:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_past_rtnl_unlock [2022-11-16 19:41:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable_netpoll [2022-11-16 19:41:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable_netpoll [2022-11-16 19:41:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enter [2022-11-16 19:41:31,264 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enter [2022-11-16 19:41:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-11-16 19:41:31,264 INFO L130 BoogieDeclarations]: Found specification of procedure nla_put_string [2022-11-16 19:41:31,265 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_put_string [2022-11-16 19:41:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure team_close [2022-11-16 19:41:31,265 INFO L138 BoogieDeclarations]: Found implementation of procedure team_close [2022-11-16 19:41:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_add [2022-11-16 19:41:31,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_add [2022-11-16 19:41:31,265 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_get [2022-11-16 19:41:31,265 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_get [2022-11-16 19:41:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-16 19:41:31,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-16 19:41:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_port_list_get [2022-11-16 19:41:31,266 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_port_list_get [2022-11-16 19:41:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 19:41:31,266 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 19:41:31,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_130 [2022-11-16 19:41:31,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_130 [2022-11-16 19:41:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-16 19:41:31,267 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-16 19:41:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 19:41:31,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 19:41:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_cmd_port_list_get [2022-11-16 19:41:31,267 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_cmd_port_list_get [2022-11-16 19:41:31,267 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_set [2022-11-16 19:41:31,268 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_set [2022-11-16 19:41:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_setup [2022-11-16 19:41:31,268 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_setup [2022-11-16 19:41:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_rtnl_trylock [2022-11-16 19:41:31,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_rtnl_trylock [2022-11-16 19:41:31,268 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-16 19:41:31,268 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-16 19:41:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-16 19:41:31,269 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-16 19:41:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-16 19:41:31,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-16 19:41:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_enabled_check [2022-11-16 19:41:31,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_enabled_check [2022-11-16 19:41:31,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-16 19:41:31,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-16 19:41:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure team_netpoll_cleanup [2022-11-16 19:41:31,270 INFO L138 BoogieDeclarations]: Found implementation of procedure team_netpoll_cleanup [2022-11-16 19:41:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_mtu [2022-11-16 19:41:31,270 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_mtu [2022-11-16 19:41:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-16 19:41:31,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-16 19:41:31,270 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 19:41:31,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 19:41:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-16 19:41:31,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-16 19:41:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_add [2022-11-16 19:41:31,271 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_add [2022-11-16 19:41:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_unicast [2022-11-16 19:41:31,271 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_unicast [2022-11-16 19:41:31,271 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_end [2022-11-16 19:41:31,272 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_end [2022-11-16 19:41:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure team_poll_controller [2022-11-16 19:41:31,272 INFO L138 BoogieDeclarations]: Found implementation of procedure team_poll_controller [2022-11-16 19:41:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 19:41:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_unregister [2022-11-16 19:41:31,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_unregister [2022-11-16 19:41:31,272 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-16 19:41:31,273 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-16 19:41:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure team_queue_id_option_set [2022-11-16 19:41:31,273 INFO L138 BoogieDeclarations]: Found implementation of procedure team_queue_id_option_set [2022-11-16 19:41:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure team_refresh_port_linkup [2022-11-16 19:41:31,273 INFO L138 BoogieDeclarations]: Found implementation of procedure team_refresh_port_linkup [2022-11-16 19:41:31,273 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_set [2022-11-16 19:41:31,273 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_set [2022-11-16 19:41:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_20_2 [2022-11-16 19:41:31,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_20_2 [2022-11-16 19:41:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-16 19:41:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure __team_port_change_send [2022-11-16 19:41:31,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_port_change_send [2022-11-16 19:41:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_end [2022-11-16 19:41:31,274 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_end [2022-11-16 19:41:31,274 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_interval_get [2022-11-16 19:41:31,275 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_interval_get [2022-11-16 19:41:31,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-16 19:41:31,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-16 19:41:31,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-16 19:41:31,275 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vid_del [2022-11-16 19:41:31,275 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vid_del [2022-11-16 19:41:31,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-16 19:41:31,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-16 19:41:31,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-16 19:41:31,276 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-16 19:41:31,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-16 19:41:31,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-16 19:41:31,276 INFO L130 BoogieDeclarations]: Found specification of procedure team_mode_option_set [2022-11-16 19:41:31,276 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mode_option_set [2022-11-16 19:41:31,276 INFO L130 BoogieDeclarations]: Found specification of procedure team_change_mode [2022-11-16 19:41:31,277 INFO L138 BoogieDeclarations]: Found implementation of procedure team_change_mode [2022-11-16 19:41:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-16 19:41:31,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-16 19:41:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_0 [2022-11-16 19:41:31,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_0 [2022-11-16 19:41:31,277 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-16 19:41:31,277 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-16 19:41:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-16 19:41:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-16 19:41:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure team_setup [2022-11-16 19:41:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure team_setup [2022-11-16 19:41:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_index_hash [2022-11-16 19:41:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_index_hash [2022-11-16 19:41:31,278 INFO L130 BoogieDeclarations]: Found specification of procedure genl_info_net [2022-11-16 19:41:31,278 INFO L138 BoogieDeclarations]: Found implementation of procedure genl_info_net [2022-11-16 19:41:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure team_notify_peers_fini [2022-11-16 19:41:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure team_notify_peers_fini [2022-11-16 19:41:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-16 19:41:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-16 19:41:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del_port [2022-11-16 19:41:31,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del_port [2022-11-16 19:41:31,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 19:41:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-16 19:41:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure read_pnet [2022-11-16 19:41:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure read_pnet [2022-11-16 19:41:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-16 19:41:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-16 19:41:31,280 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_disable [2022-11-16 19:41:31,280 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_disable [2022-11-16 19:41:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure team_adjust_ops [2022-11-16 19:41:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure team_adjust_ops [2022-11-16 19:41:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_rx_handler_unregister [2022-11-16 19:41:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_rx_handler_unregister [2022-11-16 19:41:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-16 19:41:31,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-16 19:41:31,281 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-16 19:41:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-16 19:41:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2022-11-16 19:41:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2022-11-16 19:41:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure vlan_vids_del_by_dev [2022-11-16 19:41:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure vlan_vids_del_by_dev [2022-11-16 19:41:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_interval_get [2022-11-16 19:41:31,282 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_interval_get [2022-11-16 19:41:31,282 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-16 19:41:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-16 19:41:31,283 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_fini [2022-11-16 19:41:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_fini [2022-11-16 19:41:31,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdevice_notifier [2022-11-16 19:41:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdevice_notifier [2022-11-16 19:41:31,283 INFO L130 BoogieDeclarations]: Found specification of procedure __team_options_register [2022-11-16 19:41:31,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_options_register [2022-11-16 19:41:31,284 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-16 19:41:31,284 INFO L130 BoogieDeclarations]: Found specification of procedure team_options_change_check [2022-11-16 19:41:31,284 INFO L138 BoogieDeclarations]: Found implementation of procedure team_options_change_check [2022-11-16 19:41:31,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-16 19:41:31,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 19:41:31,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 19:41:31,284 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-11-16 19:41:31,284 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-11-16 19:41:31,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-16 19:41:31,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-16 19:41:31,285 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_team_put [2022-11-16 19:41:31,285 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_team_put [2022-11-16 19:41:31,285 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-16 19:41:31,285 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-16 19:41:31,285 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdevice_notifier [2022-11-16 19:41:31,286 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdevice_notifier [2022-11-16 19:41:31,286 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_set_team_dev_addr [2022-11-16 19:41:31,286 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_set_team_dev_addr [2022-11-16 19:41:31,286 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-16 19:41:31,286 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-16 19:41:31,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_team [2022-11-16 19:41:31,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_team [2022-11-16 19:41:31,287 INFO L130 BoogieDeclarations]: Found specification of procedure __team_carrier_check [2022-11-16 19:41:31,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_carrier_check [2022-11-16 19:41:31,287 INFO L130 BoogieDeclarations]: Found specification of procedure nla_nest_start [2022-11-16 19:41:31,287 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_nest_start [2022-11-16 19:41:31,287 INFO L130 BoogieDeclarations]: Found specification of procedure dev_net [2022-11-16 19:41:31,287 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_net [2022-11-16 19:41:31,287 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-16 19:41:31,287 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-16 19:41:31,288 INFO L130 BoogieDeclarations]: Found specification of procedure __team_queue_override_port_del [2022-11-16 19:41:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_queue_override_port_del [2022-11-16 19:41:31,288 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-16 19:41:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-16 19:41:31,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 19:41:31,288 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enabled [2022-11-16 19:41:31,288 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enabled [2022-11-16 19:41:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure team_upper_dev_unlink [2022-11-16 19:41:31,289 INFO L138 BoogieDeclarations]: Found implementation of procedure team_upper_dev_unlink [2022-11-16 19:41:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-16 19:41:31,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-16 19:41:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-16 19:41:31,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-16 19:41:31,289 INFO L130 BoogieDeclarations]: Found specification of procedure call_netdevice_notifiers [2022-11-16 19:41:31,290 INFO L138 BoogieDeclarations]: Found implementation of procedure call_netdevice_notifiers [2022-11-16 19:41:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure dev_put [2022-11-16 19:41:31,290 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_put [2022-11-16 19:41:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-16 19:41:31,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-16 19:41:31,290 INFO L130 BoogieDeclarations]: Found specification of procedure team_mcast_rejoin_count_set [2022-11-16 19:41:31,290 INFO L138 BoogieDeclarations]: Found implementation of procedure team_mcast_rejoin_count_set [2022-11-16 19:41:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure genlmsg_put [2022-11-16 19:41:31,291 INFO L138 BoogieDeclarations]: Found implementation of procedure genlmsg_put [2022-11-16 19:41:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-16 19:41:31,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-16 19:41:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure __team_get_qom_list [2022-11-16 19:41:31,291 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_get_qom_list [2022-11-16 19:41:31,291 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-16 19:41:31,292 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-16 19:41:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-16 19:41:31,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-16 19:41:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure team_option_get [2022-11-16 19:41:31,292 INFO L138 BoogieDeclarations]: Found implementation of procedure team_option_get [2022-11-16 19:41:31,292 INFO L130 BoogieDeclarations]: Found specification of procedure __team_option_inst_del [2022-11-16 19:41:31,292 INFO L138 BoogieDeclarations]: Found implementation of procedure __team_option_inst_del [2022-11-16 19:41:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure team_priority_option_set [2022-11-16 19:41:31,293 INFO L138 BoogieDeclarations]: Found implementation of procedure team_priority_option_set [2022-11-16 19:41:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_link_unregister [2022-11-16 19:41:31,293 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_link_unregister [2022-11-16 19:41:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-16 19:41:31,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-16 19:41:31,293 INFO L130 BoogieDeclarations]: Found specification of procedure __set_port_dev_addr [2022-11-16 19:41:31,293 INFO L138 BoogieDeclarations]: Found implementation of procedure __set_port_dev_addr [2022-11-16 19:41:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-16 19:41:31,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2022-11-16 19:41:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-16 19:41:31,294 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-16 19:41:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-16 19:41:31,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-16 19:41:31,294 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2022-11-16 19:41:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2022-11-16 19:41:31,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-16 19:41:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-16 19:41:31,295 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-16 19:41:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-16 19:41:31,295 INFO L130 BoogieDeclarations]: Found specification of procedure team_port_enable [2022-11-16 19:41:31,295 INFO L138 BoogieDeclarations]: Found implementation of procedure team_port_enable [2022-11-16 19:41:31,295 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-16 19:41:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-16 19:41:31,296 INFO L130 BoogieDeclarations]: Found specification of procedure team_set_no_mode [2022-11-16 19:41:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure team_set_no_mode [2022-11-16 19:41:31,296 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 19:41:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-16 19:41:31,296 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-16 19:41:31,296 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-16 19:41:31,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_unregister [2022-11-16 19:41:31,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_unregister [2022-11-16 19:41:31,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:41:31,297 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netdev_rx_handler_register [2022-11-16 19:41:31,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netdev_rx_handler_register [2022-11-16 19:41:31,297 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-16 19:41:31,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-16 19:41:31,297 INFO L130 BoogieDeclarations]: Found specification of procedure team_nl_send_event_options_get [2022-11-16 19:41:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure team_nl_send_event_options_get [2022-11-16 19:41:31,298 INFO L130 BoogieDeclarations]: Found specification of procedure team_uninit [2022-11-16 19:41:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure team_uninit [2022-11-16 19:41:31,298 INFO L130 BoogieDeclarations]: Found specification of procedure team_user_linkup_option_get [2022-11-16 19:41:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure team_user_linkup_option_get [2022-11-16 19:41:31,298 INFO L130 BoogieDeclarations]: Found specification of procedure qdisc_skb_cb [2022-11-16 19:41:31,298 INFO L138 BoogieDeclarations]: Found implementation of procedure qdisc_skb_cb [2022-11-16 19:41:32,701 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:41:32,706 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:41:33,226 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 19:41:39,565 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:41:41,481 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:41:41,481 INFO L300 CfgBuilder]: Removed 18 assume(true) statements. [2022-11-16 19:41:41,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:41:41 BoogieIcfgContainer [2022-11-16 19:41:41,496 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:41:41,499 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:41:41,499 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:41:41,504 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:41:41,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:41:22" (1/3) ... [2022-11-16 19:41:41,505 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b181152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:41:41, skipping insertion in model container [2022-11-16 19:41:41,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:41:30" (2/3) ... [2022-11-16 19:41:41,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b181152 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:41:41, skipping insertion in model container [2022-11-16 19:41:41,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:41:41" (3/3) ... [2022-11-16 19:41:41,508 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--net--team--team.ko.cil.i [2022-11-16 19:41:41,528 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:41:41,529 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 36 error locations. [2022-11-16 19:41:41,655 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:41:41,666 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5261c882, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:41:41,666 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2022-11-16 19:41:41,741 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) [2022-11-16 19:41:41,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-16 19:41:41,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:41:41,757 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:41:41,757 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 19:41:41,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:41:41,764 INFO L85 PathProgramCache]: Analyzing trace with hash 929269948, now seen corresponding path program 1 times [2022-11-16 19:41:41,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:41:41,775 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142344364] [2022-11-16 19:41:41,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:41:41,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:41:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:41:43,060 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:41:43,061 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:41:43,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142344364] [2022-11-16 19:41:43,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142344364] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:41:43,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:41:43,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:41:43,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664509451] [2022-11-16 19:41:43,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:41:43,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:41:43,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:41:43,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:41:43,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:41:43,129 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) [2022-11-16 19:41:45,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:41:45,297 INFO L93 Difference]: Finished difference Result 5076 states and 7202 transitions. [2022-11-16 19:41:45,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:41:45,300 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 [2022-11-16 19:41:45,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:41:45,331 INFO L225 Difference]: With dead ends: 5076 [2022-11-16 19:41:45,332 INFO L226 Difference]: Without dead ends: 2525 [2022-11-16 19:41:45,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:41:45,352 INFO L413 NwaCegarLoop]: 3032 mSDtfsCounter, 3439 mSDsluCounter, 3032 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3441 SdHoareTripleChecker+Valid, 6064 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 19:41:45,353 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3441 Valid, 6064 Invalid, 857 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-16 19:41:45,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2022-11-16 19:41:45,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 2525. [2022-11-16 19:41:45,563 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) [2022-11-16 19:41:45,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2525 states to 2525 states and 3429 transitions. [2022-11-16 19:41:45,592 INFO L78 Accepts]: Start accepts. Automaton has 2525 states and 3429 transitions. Word has length 50 [2022-11-16 19:41:45,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:41:45,594 INFO L495 AbstractCegarLoop]: Abstraction has 2525 states and 3429 transitions. [2022-11-16 19:41:45,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-16 19:41:45,595 INFO L276 IsEmpty]: Start isEmpty. Operand 2525 states and 3429 transitions. [2022-11-16 19:41:45,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-16 19:41:45,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:41:45,604 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:41:45,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 19:41:45,606 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 19:41:45,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:41:45,607 INFO L85 PathProgramCache]: Analyzing trace with hash 2029175789, now seen corresponding path program 1 times [2022-11-16 19:41:45,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:41:45,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [57389595] [2022-11-16 19:41:45,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:41:45,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:41:45,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:41:46,538 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:41:46,539 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:41:46,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [57389595] [2022-11-16 19:41:46,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [57389595] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:41:46,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:41:46,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:41:46,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866924024] [2022-11-16 19:41:46,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:41:46,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:41:46,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:41:46,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:41:46,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:41:46,543 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) [2022-11-16 19:41:48,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-16 19:41:49,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:41:49,338 INFO L93 Difference]: Finished difference Result 2525 states and 3429 transitions. [2022-11-16 19:41:49,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:41:49,339 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 [2022-11-16 19:41:49,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:41:49,360 INFO L225 Difference]: With dead ends: 2525 [2022-11-16 19:41:49,361 INFO L226 Difference]: Without dead ends: 2523 [2022-11-16 19:41:49,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:41:49,367 INFO L413 NwaCegarLoop]: 2998 mSDtfsCounter, 3403 mSDsluCounter, 2998 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3405 SdHoareTripleChecker+Valid, 5996 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:41:49,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3405 Valid, 5996 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-16 19:41:49,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2523 states. [2022-11-16 19:41:49,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2523 to 2523. [2022-11-16 19:41:49,562 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) [2022-11-16 19:41:49,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2523 states and 3427 transitions. [2022-11-16 19:41:49,585 INFO L78 Accepts]: Start accepts. Automaton has 2523 states and 3427 transitions. Word has length 55 [2022-11-16 19:41:49,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:41:49,586 INFO L495 AbstractCegarLoop]: Abstraction has 2523 states and 3427 transitions. [2022-11-16 19:41:49,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-16 19:41:49,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 3427 transitions. [2022-11-16 19:41:49,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-16 19:41:49,588 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:41:49,589 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:41:49,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 19:41:49,589 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 19:41:49,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:41:49,590 INFO L85 PathProgramCache]: Analyzing trace with hash 777164385, now seen corresponding path program 1 times [2022-11-16 19:41:49,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:41:49,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649256459] [2022-11-16 19:41:49,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:41:49,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:41:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:41:50,314 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:41:50,315 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:41:50,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649256459] [2022-11-16 19:41:50,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1649256459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:41:50,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:41:50,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:41:50,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132738310] [2022-11-16 19:41:50,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:41:50,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:41:50,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:41:50,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:41:50,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:41:50,318 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) [2022-11-16 19:41:52,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:41:52,277 INFO L93 Difference]: Finished difference Result 2523 states and 3427 transitions. [2022-11-16 19:41:52,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:41:52,277 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 [2022-11-16 19:41:52,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:41:52,294 INFO L225 Difference]: With dead ends: 2523 [2022-11-16 19:41:52,294 INFO L226 Difference]: Without dead ends: 2521 [2022-11-16 19:41:52,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:41:52,303 INFO L413 NwaCegarLoop]: 2996 mSDtfsCounter, 3400 mSDsluCounter, 2996 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3402 SdHoareTripleChecker+Valid, 5992 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-16 19:41:52,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3402 Valid, 5992 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-16 19:41:52,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2521 states. [2022-11-16 19:41:52,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2521 to 2521. [2022-11-16 19:41:52,448 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) [2022-11-16 19:41:52,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2521 states to 2521 states and 3425 transitions. [2022-11-16 19:41:52,471 INFO L78 Accepts]: Start accepts. Automaton has 2521 states and 3425 transitions. Word has length 60 [2022-11-16 19:41:52,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:41:52,472 INFO L495 AbstractCegarLoop]: Abstraction has 2521 states and 3425 transitions. [2022-11-16 19:41:52,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-16 19:41:52,473 INFO L276 IsEmpty]: Start isEmpty. Operand 2521 states and 3425 transitions. [2022-11-16 19:41:52,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-16 19:41:52,474 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:41:52,474 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:41:52,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 19:41:52,475 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 19:41:52,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:41:52,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1652256731, now seen corresponding path program 1 times [2022-11-16 19:41:52,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:41:52,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852681847] [2022-11-16 19:41:52,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:41:52,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:41:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:41:52,961 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:41:52,961 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:41:52,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852681847] [2022-11-16 19:41:52,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852681847] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:41:52,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:41:52,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:41:52,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952671185] [2022-11-16 19:41:52,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:41:52,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:41:52,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:41:52,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:41:52,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:41:52,964 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) [2022-11-16 19:41:55,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:41:55,275 INFO L93 Difference]: Finished difference Result 2521 states and 3425 transitions. [2022-11-16 19:41:55,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:41:55,276 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 [2022-11-16 19:41:55,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:41:55,290 INFO L225 Difference]: With dead ends: 2521 [2022-11-16 19:41:55,290 INFO L226 Difference]: Without dead ends: 2519 [2022-11-16 19:41:55,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:41:55,293 INFO L413 NwaCegarLoop]: 2994 mSDtfsCounter, 3397 mSDsluCounter, 2994 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3399 SdHoareTripleChecker+Valid, 5988 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:41:55,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3399 Valid, 5988 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-16 19:41:55,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2519 states. [2022-11-16 19:41:55,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2519 to 2519. [2022-11-16 19:41:55,427 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) [2022-11-16 19:41:55,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2519 states and 3423 transitions. [2022-11-16 19:41:55,442 INFO L78 Accepts]: Start accepts. Automaton has 2519 states and 3423 transitions. Word has length 65 [2022-11-16 19:41:55,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:41:55,442 INFO L495 AbstractCegarLoop]: Abstraction has 2519 states and 3423 transitions. [2022-11-16 19:41:55,443 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-16 19:41:55,443 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 3423 transitions. [2022-11-16 19:41:55,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-16 19:41:55,445 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:41:55,446 INFO L195 NwaCegarLoop]: 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] [2022-11-16 19:41:55,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 19:41:55,446 INFO L420 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)] === [2022-11-16 19:41:55,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:41:55,447 INFO L85 PathProgramCache]: Analyzing trace with hash -646112673, now seen corresponding path program 1 times [2022-11-16 19:41:55,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:41:55,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505173186] [2022-11-16 19:41:55,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:41:55,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:41:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:41:56,422 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-16 19:41:56,423 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:41:56,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505173186] [2022-11-16 19:41:56,423 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505173186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:41:56,423 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:41:56,423 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 19:41:56,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80875126] [2022-11-16 19:41:56,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:41:56,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:41:56,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:41:56,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:41:56,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:41:56,426 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) [2022-11-16 19:42:01,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:01,422 INFO L93 Difference]: Finished difference Result 4794 states and 6578 transitions. [2022-11-16 19:42:01,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 19:42:01,423 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 [2022-11-16 19:42:01,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:01,452 INFO L225 Difference]: With dead ends: 4794 [2022-11-16 19:42:01,453 INFO L226 Difference]: Without dead ends: 4792 [2022-11-16 19:42:01,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 19:42:01,457 INFO L413 NwaCegarLoop]: 5122 mSDtfsCounter, 3320 mSDsluCounter, 13083 mSDsCounter, 0 mSdLazyCounter, 2432 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3321 SdHoareTripleChecker+Valid, 18205 SdHoareTripleChecker+Invalid, 2434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2432 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:42:01,458 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3321 Valid, 18205 Invalid, 2434 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2432 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2022-11-16 19:42:01,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4792 states. [2022-11-16 19:42:01,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4792 to 4701. [2022-11-16 19:42:01,794 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) [2022-11-16 19:42:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4701 states to 4701 states and 6508 transitions. [2022-11-16 19:42:01,821 INFO L78 Accepts]: Start accepts. Automaton has 4701 states and 6508 transitions. Word has length 77 [2022-11-16 19:42:01,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:01,824 INFO L495 AbstractCegarLoop]: Abstraction has 4701 states and 6508 transitions. [2022-11-16 19:42:01,825 INFO L496 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) [2022-11-16 19:42:01,825 INFO L276 IsEmpty]: Start isEmpty. Operand 4701 states and 6508 transitions. [2022-11-16 19:42:01,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-11-16 19:42:01,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:01,827 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:42:01,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 19:42:01,827 INFO L420 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)] === [2022-11-16 19:42:01,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:01,828 INFO L85 PathProgramCache]: Analyzing trace with hash -737009663, now seen corresponding path program 1 times [2022-11-16 19:42:01,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:01,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222546749] [2022-11-16 19:42:01,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:01,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:02,322 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:42:02,322 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:02,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222546749] [2022-11-16 19:42:02,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222546749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:02,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:02,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:42:02,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697332932] [2022-11-16 19:42:02,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:02,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:42:02,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:02,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:42:02,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:42:02,325 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) [2022-11-16 19:42:04,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:04,701 INFO L93 Difference]: Finished difference Result 4701 states and 6508 transitions. [2022-11-16 19:42:04,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:42:04,702 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 [2022-11-16 19:42:04,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:04,733 INFO L225 Difference]: With dead ends: 4701 [2022-11-16 19:42:04,733 INFO L226 Difference]: Without dead ends: 4699 [2022-11-16 19:42:04,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:42:04,738 INFO L413 NwaCegarLoop]: 2992 mSDtfsCounter, 3394 mSDsluCounter, 2992 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3396 SdHoareTripleChecker+Valid, 5984 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 [2022-11-16 19:42:04,739 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3396 Valid, 5984 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-11-16 19:42:04,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4699 states. [2022-11-16 19:42:05,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4699 to 4699. [2022-11-16 19:42:05,215 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) [2022-11-16 19:42:05,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4699 states to 4699 states and 6505 transitions. [2022-11-16 19:42:05,252 INFO L78 Accepts]: Start accepts. Automaton has 4699 states and 6505 transitions. Word has length 70 [2022-11-16 19:42:05,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:05,253 INFO L495 AbstractCegarLoop]: Abstraction has 4699 states and 6505 transitions. [2022-11-16 19:42:05,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-16 19:42:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 4699 states and 6505 transitions. [2022-11-16 19:42:05,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-16 19:42:05,257 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:05,257 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:42:05,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-16 19:42:05,257 INFO L420 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)] === [2022-11-16 19:42:05,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:05,258 INFO L85 PathProgramCache]: Analyzing trace with hash -715804716, now seen corresponding path program 1 times [2022-11-16 19:42:05,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:05,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207721823] [2022-11-16 19:42:05,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:05,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:05,758 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:42:05,758 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:05,758 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207721823] [2022-11-16 19:42:05,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207721823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:05,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:05,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:42:05,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523118366] [2022-11-16 19:42:05,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:05,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:42:05,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:05,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:42:05,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:42:05,760 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) [2022-11-16 19:42:08,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:08,210 INFO L93 Difference]: Finished difference Result 4699 states and 6505 transitions. [2022-11-16 19:42:08,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:42:08,211 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 [2022-11-16 19:42:08,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:08,241 INFO L225 Difference]: With dead ends: 4699 [2022-11-16 19:42:08,242 INFO L226 Difference]: Without dead ends: 4697 [2022-11-16 19:42:08,244 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:42:08,245 INFO L413 NwaCegarLoop]: 2990 mSDtfsCounter, 3391 mSDsluCounter, 2990 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3393 SdHoareTripleChecker+Valid, 5980 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:42:08,245 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3393 Valid, 5980 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-16 19:42:08,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4697 states. [2022-11-16 19:42:08,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4697 to 4697. [2022-11-16 19:42:08,579 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) [2022-11-16 19:42:08,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4697 states to 4697 states and 6502 transitions. [2022-11-16 19:42:08,604 INFO L78 Accepts]: Start accepts. Automaton has 4697 states and 6502 transitions. Word has length 75 [2022-11-16 19:42:08,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:08,606 INFO L495 AbstractCegarLoop]: Abstraction has 4697 states and 6502 transitions. [2022-11-16 19:42:08,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-16 19:42:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 4697 states and 6502 transitions. [2022-11-16 19:42:08,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-16 19:42:08,614 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:08,614 INFO L195 NwaCegarLoop]: 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] [2022-11-16 19:42:08,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 19:42:08,615 INFO L420 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)] === [2022-11-16 19:42:08,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:08,615 INFO L85 PathProgramCache]: Analyzing trace with hash -976533677, now seen corresponding path program 1 times [2022-11-16 19:42:08,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:08,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272429951] [2022-11-16 19:42:08,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:08,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:09,770 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-16 19:42:09,770 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:09,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272429951] [2022-11-16 19:42:09,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1272429951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:09,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:09,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-16 19:42:09,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841392716] [2022-11-16 19:42:09,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:09,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 19:42:09,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:09,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 19:42:09,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-16 19:42:09,774 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) [2022-11-16 19:42:16,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:16,154 INFO L93 Difference]: Finished difference Result 4697 states and 6502 transitions. [2022-11-16 19:42:16,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 19:42:16,154 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 [2022-11-16 19:42:16,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:16,181 INFO L225 Difference]: With dead ends: 4697 [2022-11-16 19:42:16,182 INFO L226 Difference]: Without dead ends: 4695 [2022-11-16 19:42:16,185 INFO L412 NwaCegarLoop]: 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 [2022-11-16 19:42:16,186 INFO L413 NwaCegarLoop]: 2989 mSDtfsCounter, 3384 mSDsluCounter, 7501 mSDsCounter, 0 mSdLazyCounter, 3166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3388 SdHoareTripleChecker+Valid, 10490 SdHoareTripleChecker+Invalid, 3167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-16 19:42:16,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3388 Valid, 10490 Invalid, 3167 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3166 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-11-16 19:42:16,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4695 states. [2022-11-16 19:42:16,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4695 to 4695. [2022-11-16 19:42:16,528 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) [2022-11-16 19:42:16,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4695 states to 4695 states and 6499 transitions. [2022-11-16 19:42:16,555 INFO L78 Accepts]: Start accepts. Automaton has 4695 states and 6499 transitions. Word has length 88 [2022-11-16 19:42:16,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:16,559 INFO L495 AbstractCegarLoop]: Abstraction has 4695 states and 6499 transitions. [2022-11-16 19:42:16,560 INFO L496 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) [2022-11-16 19:42:16,560 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 6499 transitions. [2022-11-16 19:42:16,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-16 19:42:16,562 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:16,562 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:42:16,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-16 19:42:16,562 INFO L420 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)] === [2022-11-16 19:42:16,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:16,563 INFO L85 PathProgramCache]: Analyzing trace with hash 489247005, now seen corresponding path program 1 times [2022-11-16 19:42:16,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:16,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74321801] [2022-11-16 19:42:16,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:16,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:17,010 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:42:17,010 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:17,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74321801] [2022-11-16 19:42:17,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74321801] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:17,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:17,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:42:17,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931694382] [2022-11-16 19:42:17,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:17,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:42:17,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:17,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:42:17,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:42:17,013 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) [2022-11-16 19:42:19,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:19,265 INFO L93 Difference]: Finished difference Result 4695 states and 6499 transitions. [2022-11-16 19:42:19,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:42:19,266 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 [2022-11-16 19:42:19,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:19,288 INFO L225 Difference]: With dead ends: 4695 [2022-11-16 19:42:19,288 INFO L226 Difference]: Without dead ends: 4693 [2022-11-16 19:42:19,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:42:19,292 INFO L413 NwaCegarLoop]: 2986 mSDtfsCounter, 3386 mSDsluCounter, 2986 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3388 SdHoareTripleChecker+Valid, 5972 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 19:42:19,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3388 Valid, 5972 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-16 19:42:19,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4693 states. [2022-11-16 19:42:19,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4693 to 4693. [2022-11-16 19:42:19,662 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) [2022-11-16 19:42:19,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4693 states to 4693 states and 6496 transitions. [2022-11-16 19:42:19,686 INFO L78 Accepts]: Start accepts. Automaton has 4693 states and 6496 transitions. Word has length 80 [2022-11-16 19:42:19,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:19,687 INFO L495 AbstractCegarLoop]: Abstraction has 4693 states and 6496 transitions. [2022-11-16 19:42:19,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-16 19:42:19,687 INFO L276 IsEmpty]: Start isEmpty. Operand 4693 states and 6496 transitions. [2022-11-16 19:42:19,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-16 19:42:19,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:19,691 INFO L195 NwaCegarLoop]: 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] [2022-11-16 19:42:19,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-16 19:42:19,691 INFO L420 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)] === [2022-11-16 19:42:19,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:19,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1922379736, now seen corresponding path program 1 times [2022-11-16 19:42:19,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:19,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954659995] [2022-11-16 19:42:19,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:19,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:20,128 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-16 19:42:20,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:20,128 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954659995] [2022-11-16 19:42:20,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954659995] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:20,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:20,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 19:42:20,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101434646] [2022-11-16 19:42:20,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:20,129 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:42:20,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:20,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:42:20,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:42:20,130 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) [2022-11-16 19:42:21,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:21,581 INFO L93 Difference]: Finished difference Result 9366 states and 13196 transitions. [2022-11-16 19:42:21,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:42:21,583 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 [2022-11-16 19:42:21,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:21,608 INFO L225 Difference]: With dead ends: 9366 [2022-11-16 19:42:21,608 INFO L226 Difference]: Without dead ends: 4687 [2022-11-16 19:42:21,633 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:42:21,634 INFO L413 NwaCegarLoop]: 2982 mSDtfsCounter, 3369 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 428 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3369 SdHoareTripleChecker+Valid, 2982 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:42:21,635 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3369 Valid, 2982 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 428 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-16 19:42:21,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4687 states. [2022-11-16 19:42:22,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4687 to 4687. [2022-11-16 19:42:22,096 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) [2022-11-16 19:42:22,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4687 states to 4687 states and 6487 transitions. [2022-11-16 19:42:22,120 INFO L78 Accepts]: Start accepts. Automaton has 4687 states and 6487 transitions. Word has length 91 [2022-11-16 19:42:22,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:22,121 INFO L495 AbstractCegarLoop]: Abstraction has 4687 states and 6487 transitions. [2022-11-16 19:42:22,121 INFO L496 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) [2022-11-16 19:42:22,122 INFO L276 IsEmpty]: Start isEmpty. Operand 4687 states and 6487 transitions. [2022-11-16 19:42:22,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-16 19:42:22,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:22,124 INFO L195 NwaCegarLoop]: 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] [2022-11-16 19:42:22,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-16 19:42:22,124 INFO L420 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)] === [2022-11-16 19:42:22,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:22,125 INFO L85 PathProgramCache]: Analyzing trace with hash 55693604, now seen corresponding path program 1 times [2022-11-16 19:42:22,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:22,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590341559] [2022-11-16 19:42:22,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:22,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:23,115 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2022-11-16 19:42:23,116 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:23,116 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590341559] [2022-11-16 19:42:23,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590341559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:23,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:23,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 19:42:23,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441556556] [2022-11-16 19:42:23,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:23,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:42:23,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:23,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:42:23,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:42:23,118 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) [2022-11-16 19:42:28,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:28,790 INFO L93 Difference]: Finished difference Result 4768 states and 6550 transitions. [2022-11-16 19:42:28,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:42:28,791 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 [2022-11-16 19:42:28,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:28,814 INFO L225 Difference]: With dead ends: 4768 [2022-11-16 19:42:28,815 INFO L226 Difference]: Without dead ends: 4766 [2022-11-16 19:42:28,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 19:42:28,818 INFO L413 NwaCegarLoop]: 4251 mSDtfsCounter, 3215 mSDsluCounter, 11417 mSDsCounter, 0 mSdLazyCounter, 2090 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3216 SdHoareTripleChecker+Valid, 15668 SdHoareTripleChecker+Invalid, 2090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2090 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:42:28,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3216 Valid, 15668 Invalid, 2090 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2090 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2022-11-16 19:42:28,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4766 states. [2022-11-16 19:42:29,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4766 to 4711. [2022-11-16 19:42:29,378 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) [2022-11-16 19:42:29,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4711 states to 4711 states and 6518 transitions. [2022-11-16 19:42:29,399 INFO L78 Accepts]: Start accepts. Automaton has 4711 states and 6518 transitions. Word has length 93 [2022-11-16 19:42:29,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:29,400 INFO L495 AbstractCegarLoop]: Abstraction has 4711 states and 6518 transitions. [2022-11-16 19:42:29,400 INFO L496 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) [2022-11-16 19:42:29,400 INFO L276 IsEmpty]: Start isEmpty. Operand 4711 states and 6518 transitions. [2022-11-16 19:42:29,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-16 19:42:29,402 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:29,402 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:42:29,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-16 19:42:29,403 INFO L420 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)] === [2022-11-16 19:42:29,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:29,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1337295122, now seen corresponding path program 1 times [2022-11-16 19:42:29,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:29,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468937670] [2022-11-16 19:42:29,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:29,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:29,833 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:42:29,834 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:29,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468937670] [2022-11-16 19:42:29,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468937670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:29,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:29,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:42:29,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485581118] [2022-11-16 19:42:29,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:29,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:42:29,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:29,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:42:29,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:42:29,836 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) [2022-11-16 19:42:31,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:31,765 INFO L93 Difference]: Finished difference Result 4711 states and 6518 transitions. [2022-11-16 19:42:31,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:42:31,766 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 [2022-11-16 19:42:31,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:31,786 INFO L225 Difference]: With dead ends: 4711 [2022-11-16 19:42:31,786 INFO L226 Difference]: Without dead ends: 4709 [2022-11-16 19:42:31,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:42:31,790 INFO L413 NwaCegarLoop]: 2979 mSDtfsCounter, 3382 mSDsluCounter, 2975 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3384 SdHoareTripleChecker+Valid, 5954 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 [2022-11-16 19:42:31,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3384 Valid, 5954 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-16 19:42:31,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4709 states. [2022-11-16 19:42:32,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4709 to 4709. [2022-11-16 19:42:32,299 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) [2022-11-16 19:42:32,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4709 states to 4709 states and 6515 transitions. [2022-11-16 19:42:32,323 INFO L78 Accepts]: Start accepts. Automaton has 4709 states and 6515 transitions. Word has length 85 [2022-11-16 19:42:32,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:32,324 INFO L495 AbstractCegarLoop]: Abstraction has 4709 states and 6515 transitions. [2022-11-16 19:42:32,324 INFO L496 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) [2022-11-16 19:42:32,324 INFO L276 IsEmpty]: Start isEmpty. Operand 4709 states and 6515 transitions. [2022-11-16 19:42:32,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-11-16 19:42:32,326 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:32,327 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:42:32,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-16 19:42:32,327 INFO L420 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)] === [2022-11-16 19:42:32,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:32,327 INFO L85 PathProgramCache]: Analyzing trace with hash -945155919, now seen corresponding path program 1 times [2022-11-16 19:42:32,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:32,328 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262296891] [2022-11-16 19:42:32,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:32,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:32,774 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:42:32,774 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:32,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262296891] [2022-11-16 19:42:32,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262296891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:32,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:32,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:42:32,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201117974] [2022-11-16 19:42:32,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:32,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:42:32,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:32,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:42:32,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:42:32,777 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) [2022-11-16 19:42:35,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:35,248 INFO L93 Difference]: Finished difference Result 4709 states and 6515 transitions. [2022-11-16 19:42:35,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:42:35,250 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 [2022-11-16 19:42:35,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:35,272 INFO L225 Difference]: With dead ends: 4709 [2022-11-16 19:42:35,272 INFO L226 Difference]: Without dead ends: 4707 [2022-11-16 19:42:35,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:42:35,277 INFO L413 NwaCegarLoop]: 2977 mSDtfsCounter, 3374 mSDsluCounter, 2977 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3376 SdHoareTripleChecker+Valid, 5954 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:42:35,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3376 Valid, 5954 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-11-16 19:42:35,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4707 states. [2022-11-16 19:42:35,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4707 to 4707. [2022-11-16 19:42:35,805 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) [2022-11-16 19:42:35,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4707 states to 4707 states and 6512 transitions. [2022-11-16 19:42:35,829 INFO L78 Accepts]: Start accepts. Automaton has 4707 states and 6512 transitions. Word has length 87 [2022-11-16 19:42:35,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:35,830 INFO L495 AbstractCegarLoop]: Abstraction has 4707 states and 6512 transitions. [2022-11-16 19:42:35,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-16 19:42:35,830 INFO L276 IsEmpty]: Start isEmpty. Operand 4707 states and 6512 transitions. [2022-11-16 19:42:35,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-16 19:42:35,832 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:35,833 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:42:35,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-16 19:42:35,833 INFO L420 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)] === [2022-11-16 19:42:35,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:35,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1279104275, now seen corresponding path program 1 times [2022-11-16 19:42:35,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:35,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292954058] [2022-11-16 19:42:35,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:35,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:36,263 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:42:36,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:36,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292954058] [2022-11-16 19:42:36,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292954058] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:36,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:36,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:42:36,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755389796] [2022-11-16 19:42:36,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:36,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:42:36,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:36,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:42:36,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:42:36,266 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) [2022-11-16 19:42:41,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:41,097 INFO L93 Difference]: Finished difference Result 9400 states and 13187 transitions. [2022-11-16 19:42:41,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:42:41,098 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 [2022-11-16 19:42:41,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:41,138 INFO L225 Difference]: With dead ends: 9400 [2022-11-16 19:42:41,138 INFO L226 Difference]: Without dead ends: 9398 [2022-11-16 19:42:41,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:42:41,143 INFO L413 NwaCegarLoop]: 4125 mSDtfsCounter, 3372 mSDsluCounter, 7137 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3374 SdHoareTripleChecker+Valid, 11262 SdHoareTripleChecker+Invalid, 1425 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2022-11-16 19:42:41,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3374 Valid, 11262 Invalid, 1425 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2022-11-16 19:42:41,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9398 states. [2022-11-16 19:42:41,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9398 to 9230. [2022-11-16 19:42:41,856 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) [2022-11-16 19:42:41,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9230 states to 9230 states and 13008 transitions. [2022-11-16 19:42:41,912 INFO L78 Accepts]: Start accepts. Automaton has 9230 states and 13008 transitions. Word has length 92 [2022-11-16 19:42:41,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:41,912 INFO L495 AbstractCegarLoop]: Abstraction has 9230 states and 13008 transitions. [2022-11-16 19:42:41,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-16 19:42:41,913 INFO L276 IsEmpty]: Start isEmpty. Operand 9230 states and 13008 transitions. [2022-11-16 19:42:41,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-16 19:42:41,915 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:41,915 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:42:41,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-16 19:42:41,916 INFO L420 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)] === [2022-11-16 19:42:41,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:41,916 INFO L85 PathProgramCache]: Analyzing trace with hash -319154405, now seen corresponding path program 1 times [2022-11-16 19:42:41,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:41,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599555893] [2022-11-16 19:42:41,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:41,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:42,484 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:42:42,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:42,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599555893] [2022-11-16 19:42:42,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599555893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:42,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:42,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:42:42,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255720255] [2022-11-16 19:42:42,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:42,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:42:42,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:42,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:42:42,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:42:42,487 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) [2022-11-16 19:42:45,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:45,136 INFO L93 Difference]: Finished difference Result 9230 states and 13008 transitions. [2022-11-16 19:42:45,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:42:45,137 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 [2022-11-16 19:42:45,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:45,187 INFO L225 Difference]: With dead ends: 9230 [2022-11-16 19:42:45,188 INFO L226 Difference]: Without dead ends: 9228 [2022-11-16 19:42:45,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:42:45,197 INFO L413 NwaCegarLoop]: 2974 mSDtfsCounter, 3372 mSDsluCounter, 2974 mSDsCounter, 0 mSdLazyCounter, 857 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3374 SdHoareTripleChecker+Valid, 5948 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 857 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 19:42:45,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3374 Valid, 5948 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 857 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-16 19:42:45,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9228 states. [2022-11-16 19:42:46,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9228 to 9228. [2022-11-16 19:42:46,112 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) [2022-11-16 19:42:46,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9228 states to 9228 states and 13005 transitions. [2022-11-16 19:42:46,162 INFO L78 Accepts]: Start accepts. Automaton has 9228 states and 13005 transitions. Word has length 97 [2022-11-16 19:42:46,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:46,162 INFO L495 AbstractCegarLoop]: Abstraction has 9228 states and 13005 transitions. [2022-11-16 19:42:46,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-16 19:42:46,162 INFO L276 IsEmpty]: Start isEmpty. Operand 9228 states and 13005 transitions. [2022-11-16 19:42:46,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-16 19:42:46,165 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:46,165 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:42:46,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-16 19:42:46,165 INFO L420 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)] === [2022-11-16 19:42:46,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:46,166 INFO L85 PathProgramCache]: Analyzing trace with hash -1106551106, now seen corresponding path program 1 times [2022-11-16 19:42:46,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:46,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780077760] [2022-11-16 19:42:46,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:46,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:46,639 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:42:46,639 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:46,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780077760] [2022-11-16 19:42:46,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780077760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:46,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:46,640 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:42:46,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530408510] [2022-11-16 19:42:46,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:46,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:42:46,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:46,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:42:46,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:42:46,642 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) [2022-11-16 19:42:49,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:49,296 INFO L93 Difference]: Finished difference Result 9228 states and 13005 transitions. [2022-11-16 19:42:49,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:42:49,296 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 [2022-11-16 19:42:49,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:49,340 INFO L225 Difference]: With dead ends: 9228 [2022-11-16 19:42:49,340 INFO L226 Difference]: Without dead ends: 9226 [2022-11-16 19:42:49,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:42:49,348 INFO L413 NwaCegarLoop]: 2973 mSDtfsCounter, 3369 mSDsluCounter, 2973 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3371 SdHoareTripleChecker+Valid, 5946 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-16 19:42:49,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3371 Valid, 5946 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-16 19:42:49,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9226 states. [2022-11-16 19:42:50,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9226 to 9226. [2022-11-16 19:42:50,388 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) [2022-11-16 19:42:50,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9226 states to 9226 states and 13002 transitions. [2022-11-16 19:42:50,437 INFO L78 Accepts]: Start accepts. Automaton has 9226 states and 13002 transitions. Word has length 102 [2022-11-16 19:42:50,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:50,438 INFO L495 AbstractCegarLoop]: Abstraction has 9226 states and 13002 transitions. [2022-11-16 19:42:50,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-16 19:42:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 9226 states and 13002 transitions. [2022-11-16 19:42:50,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-16 19:42:50,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:50,441 INFO L195 NwaCegarLoop]: 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] [2022-11-16 19:42:50,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-16 19:42:50,442 INFO L420 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)] === [2022-11-16 19:42:50,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:50,442 INFO L85 PathProgramCache]: Analyzing trace with hash 1213890548, now seen corresponding path program 1 times [2022-11-16 19:42:50,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:50,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762842960] [2022-11-16 19:42:50,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:50,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:50,988 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-16 19:42:50,988 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:50,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762842960] [2022-11-16 19:42:50,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762842960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:50,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:50,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:42:50,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805643968] [2022-11-16 19:42:50,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:50,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:42:50,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:50,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:42:50,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:42:50,996 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) [2022-11-16 19:42:54,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:54,203 INFO L93 Difference]: Finished difference Result 9226 states and 13002 transitions. [2022-11-16 19:42:54,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:42:54,203 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 [2022-11-16 19:42:54,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:42:54,246 INFO L225 Difference]: With dead ends: 9226 [2022-11-16 19:42:54,246 INFO L226 Difference]: Without dead ends: 9224 [2022-11-16 19:42:54,252 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:42:54,253 INFO L413 NwaCegarLoop]: 2970 mSDtfsCounter, 3363 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 854 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3368 SdHoareTripleChecker+Valid, 5931 SdHoareTripleChecker+Invalid, 854 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 854 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:42:54,253 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3368 Valid, 5931 Invalid, 854 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 854 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-16 19:42:54,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9224 states. [2022-11-16 19:42:55,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9224 to 9224. [2022-11-16 19:42:55,134 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) [2022-11-16 19:42:55,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9224 states to 9224 states and 12997 transitions. [2022-11-16 19:42:55,166 INFO L78 Accepts]: Start accepts. Automaton has 9224 states and 12997 transitions. Word has length 117 [2022-11-16 19:42:55,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:42:55,167 INFO L495 AbstractCegarLoop]: Abstraction has 9224 states and 12997 transitions. [2022-11-16 19:42:55,167 INFO L496 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) [2022-11-16 19:42:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 9224 states and 12997 transitions. [2022-11-16 19:42:55,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-16 19:42:55,169 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:42:55,169 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:42:55,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-16 19:42:55,170 INFO L420 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)] === [2022-11-16 19:42:55,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:42:55,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1121937401, now seen corresponding path program 1 times [2022-11-16 19:42:55,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:42:55,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437649580] [2022-11-16 19:42:55,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:42:55,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:42:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:42:55,568 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:42:55,568 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:42:55,568 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437649580] [2022-11-16 19:42:55,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437649580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:42:55,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:42:55,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:42:55,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781134470] [2022-11-16 19:42:55,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:42:55,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:42:55,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:42:55,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:42:55,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:42:55,571 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) [2022-11-16 19:42:59,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:42:59,946 INFO L93 Difference]: Finished difference Result 18048 states and 25966 transitions. [2022-11-16 19:42:59,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:42:59,947 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 [2022-11-16 19:42:59,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:43:00,034 INFO L225 Difference]: With dead ends: 18048 [2022-11-16 19:43:00,035 INFO L226 Difference]: Without dead ends: 18046 [2022-11-16 19:43:00,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:43:00,047 INFO L413 NwaCegarLoop]: 3766 mSDtfsCounter, 3219 mSDsluCounter, 6779 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3221 SdHoareTripleChecker+Valid, 10545 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-16 19:43:00,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3221 Valid, 10545 Invalid, 1295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-11-16 19:43:00,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18046 states. [2022-11-16 19:43:01,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18046 to 17881. [2022-11-16 19:43:01,693 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) [2022-11-16 19:43:01,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17881 states to 17881 states and 25777 transitions. [2022-11-16 19:43:01,770 INFO L78 Accepts]: Start accepts. Automaton has 17881 states and 25777 transitions. Word has length 107 [2022-11-16 19:43:01,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:43:01,771 INFO L495 AbstractCegarLoop]: Abstraction has 17881 states and 25777 transitions. [2022-11-16 19:43:01,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-16 19:43:01,771 INFO L276 IsEmpty]: Start isEmpty. Operand 17881 states and 25777 transitions. [2022-11-16 19:43:01,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-16 19:43:01,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:43:01,773 INFO L195 NwaCegarLoop]: 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] [2022-11-16 19:43:01,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-16 19:43:01,773 INFO L420 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)] === [2022-11-16 19:43:01,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:43:01,774 INFO L85 PathProgramCache]: Analyzing trace with hash -1675415837, now seen corresponding path program 1 times [2022-11-16 19:43:01,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:43:01,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357975364] [2022-11-16 19:43:01,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:43:01,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:43:01,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:43:02,218 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-16 19:43:02,218 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:43:02,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357975364] [2022-11-16 19:43:02,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357975364] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:43:02,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:43:02,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:43:02,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185555454] [2022-11-16 19:43:02,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:43:02,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:43:02,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:43:02,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:43:02,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:43:02,221 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) [2022-11-16 19:43:05,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:43:05,421 INFO L93 Difference]: Finished difference Result 17881 states and 25777 transitions. [2022-11-16 19:43:05,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:43:05,422 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 [2022-11-16 19:43:05,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:43:05,477 INFO L225 Difference]: With dead ends: 17881 [2022-11-16 19:43:05,477 INFO L226 Difference]: Without dead ends: 17879 [2022-11-16 19:43:05,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:43:05,487 INFO L413 NwaCegarLoop]: 2969 mSDtfsCounter, 3355 mSDsluCounter, 2963 mSDsCounter, 0 mSdLazyCounter, 853 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3360 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, 1.5s IncrementalHoareTripleChecker+Time [2022-11-16 19:43:05,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3360 Valid, 5932 Invalid, 853 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 853 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-16 19:43:05,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17879 states. [2022-11-16 19:43:06,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17879 to 17879. [2022-11-16 19:43:06,950 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) [2022-11-16 19:43:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17879 states to 17879 states and 25768 transitions. [2022-11-16 19:43:07,041 INFO L78 Accepts]: Start accepts. Automaton has 17879 states and 25768 transitions. Word has length 119 [2022-11-16 19:43:07,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:43:07,042 INFO L495 AbstractCegarLoop]: Abstraction has 17879 states and 25768 transitions. [2022-11-16 19:43:07,042 INFO L496 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) [2022-11-16 19:43:07,042 INFO L276 IsEmpty]: Start isEmpty. Operand 17879 states and 25768 transitions. [2022-11-16 19:43:07,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-16 19:43:07,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:43:07,045 INFO L195 NwaCegarLoop]: 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] [2022-11-16 19:43:07,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-16 19:43:07,046 INFO L420 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)] === [2022-11-16 19:43:07,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:43:07,046 INFO L85 PathProgramCache]: Analyzing trace with hash 545244700, now seen corresponding path program 1 times [2022-11-16 19:43:07,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:43:07,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397470688] [2022-11-16 19:43:07,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:43:07,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:43:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:43:07,706 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-16 19:43:07,706 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:43:07,707 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [397470688] [2022-11-16 19:43:07,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [397470688] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:43:07,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:43:07,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:43:07,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108661748] [2022-11-16 19:43:07,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:43:07,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:43:07,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:43:07,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:43:07,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:43:07,709 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) [2022-11-16 19:43:12,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:43:12,219 INFO L93 Difference]: Finished difference Result 18042 states and 25953 transitions. [2022-11-16 19:43:12,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:43:12,220 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 [2022-11-16 19:43:12,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:43:12,268 INFO L225 Difference]: With dead ends: 18042 [2022-11-16 19:43:12,269 INFO L226 Difference]: Without dead ends: 18040 [2022-11-16 19:43:12,274 INFO L412 NwaCegarLoop]: 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 [2022-11-16 19:43:12,275 INFO L413 NwaCegarLoop]: 3767 mSDtfsCounter, 3204 mSDsluCounter, 6775 mSDsCounter, 0 mSdLazyCounter, 1297 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3209 SdHoareTripleChecker+Valid, 10542 SdHoareTripleChecker+Invalid, 1298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-16 19:43:12,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3209 Valid, 10542 Invalid, 1298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1297 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-11-16 19:43:12,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18040 states. [2022-11-16 19:43:13,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18040 to 17879. [2022-11-16 19:43:13,938 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) [2022-11-16 19:43:14,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17879 states to 17879 states and 25764 transitions. [2022-11-16 19:43:14,044 INFO L78 Accepts]: Start accepts. Automaton has 17879 states and 25764 transitions. Word has length 121 [2022-11-16 19:43:14,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:43:14,044 INFO L495 AbstractCegarLoop]: Abstraction has 17879 states and 25764 transitions. [2022-11-16 19:43:14,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-16 19:43:14,044 INFO L276 IsEmpty]: Start isEmpty. Operand 17879 states and 25764 transitions. [2022-11-16 19:43:14,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-16 19:43:14,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:43:14,049 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:43:14,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-16 19:43:14,050 INFO L420 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)] === [2022-11-16 19:43:14,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:43:14,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1135621954, now seen corresponding path program 1 times [2022-11-16 19:43:14,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:43:14,051 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242588773] [2022-11-16 19:43:14,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:43:14,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:43:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:43:14,519 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:43:14,520 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:43:14,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242588773] [2022-11-16 19:43:14,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242588773] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:43:14,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:43:14,521 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:43:14,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301498494] [2022-11-16 19:43:14,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:43:14,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:43:14,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:43:14,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:43:14,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:43:14,523 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) [2022-11-16 19:43:17,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:43:17,843 INFO L93 Difference]: Finished difference Result 17879 states and 25764 transitions. [2022-11-16 19:43:17,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:43:17,843 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 [2022-11-16 19:43:17,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:43:17,900 INFO L225 Difference]: With dead ends: 17879 [2022-11-16 19:43:17,901 INFO L226 Difference]: Without dead ends: 17877 [2022-11-16 19:43:17,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:43:17,910 INFO L413 NwaCegarLoop]: 2967 mSDtfsCounter, 3361 mSDsluCounter, 2967 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3363 SdHoareTripleChecker+Valid, 5934 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 19:43:17,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3363 Valid, 5934 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-16 19:43:17,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17877 states. [2022-11-16 19:43:19,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17877 to 17877. [2022-11-16 19:43:19,367 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) [2022-11-16 19:43:19,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17877 states to 17877 states and 25761 transitions. [2022-11-16 19:43:19,453 INFO L78 Accepts]: Start accepts. Automaton has 17877 states and 25761 transitions. Word has length 112 [2022-11-16 19:43:19,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:43:19,453 INFO L495 AbstractCegarLoop]: Abstraction has 17877 states and 25761 transitions. [2022-11-16 19:43:19,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.5) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-16 19:43:19,454 INFO L276 IsEmpty]: Start isEmpty. Operand 17877 states and 25761 transitions. [2022-11-16 19:43:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-16 19:43:19,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:43:19,457 INFO L195 NwaCegarLoop]: 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] [2022-11-16 19:43:19,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-16 19:43:19,457 INFO L420 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)] === [2022-11-16 19:43:19,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:43:19,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1236589, now seen corresponding path program 1 times [2022-11-16 19:43:19,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:43:19,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212099148] [2022-11-16 19:43:19,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:43:19,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:43:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:43:19,910 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2022-11-16 19:43:19,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:43:19,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212099148] [2022-11-16 19:43:19,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212099148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:43:19,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:43:19,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:43:19,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152446366] [2022-11-16 19:43:19,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:43:19,912 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:43:19,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:43:19,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:43:19,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:43:19,913 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) [2022-11-16 19:43:22,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:43:22,902 INFO L93 Difference]: Finished difference Result 17877 states and 25761 transitions. [2022-11-16 19:43:22,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:43:22,905 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 [2022-11-16 19:43:22,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:43:22,963 INFO L225 Difference]: With dead ends: 17877 [2022-11-16 19:43:22,964 INFO L226 Difference]: Without dead ends: 17875 [2022-11-16 19:43:22,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:43:22,973 INFO L413 NwaCegarLoop]: 2965 mSDtfsCounter, 3339 mSDsluCounter, 2965 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3344 SdHoareTripleChecker+Valid, 5930 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-16 19:43:22,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3344 Valid, 5930 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-16 19:43:22,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17875 states. [2022-11-16 19:43:24,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17875 to 17875. [2022-11-16 19:43:24,757 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) [2022-11-16 19:43:24,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17875 states to 17875 states and 25752 transitions. [2022-11-16 19:43:24,840 INFO L78 Accepts]: Start accepts. Automaton has 17875 states and 25752 transitions. Word has length 123 [2022-11-16 19:43:24,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:43:24,841 INFO L495 AbstractCegarLoop]: Abstraction has 17875 states and 25752 transitions. [2022-11-16 19:43:24,841 INFO L496 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) [2022-11-16 19:43:24,841 INFO L276 IsEmpty]: Start isEmpty. Operand 17875 states and 25752 transitions. [2022-11-16 19:43:24,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-16 19:43:24,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:43:24,844 INFO L195 NwaCegarLoop]: 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] [2022-11-16 19:43:24,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-16 19:43:24,844 INFO L420 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)] === [2022-11-16 19:43:24,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:43:24,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1471599709, now seen corresponding path program 1 times [2022-11-16 19:43:24,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:43:24,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1639760810] [2022-11-16 19:43:24,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:43:24,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:43:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:43:25,630 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2022-11-16 19:43:25,630 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:43:25,630 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1639760810] [2022-11-16 19:43:25,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1639760810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:43:25,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:43:25,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 19:43:25,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408914408] [2022-11-16 19:43:25,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:43:25,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:43:25,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:43:25,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:43:25,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:43:25,633 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) [2022-11-16 19:43:31,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:43:31,195 INFO L93 Difference]: Finished difference Result 35748 states and 53113 transitions. [2022-11-16 19:43:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:43:31,196 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 [2022-11-16 19:43:31,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:43:31,262 INFO L225 Difference]: With dead ends: 35748 [2022-11-16 19:43:31,262 INFO L226 Difference]: Without dead ends: 17887 [2022-11-16 19:43:31,381 INFO L412 NwaCegarLoop]: 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 [2022-11-16 19:43:31,381 INFO L413 NwaCegarLoop]: 2965 mSDtfsCounter, 2 mSDsluCounter, 8882 mSDsCounter, 0 mSdLazyCounter, 1727 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11847 SdHoareTripleChecker+Invalid, 1728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1727 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-16 19:43:31,382 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11847 Invalid, 1728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1727 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-16 19:43:31,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17887 states. [2022-11-16 19:43:32,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17887 to 17887. [2022-11-16 19:43:32,824 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) [2022-11-16 19:43:32,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17887 states to 17887 states and 25764 transitions. [2022-11-16 19:43:32,904 INFO L78 Accepts]: Start accepts. Automaton has 17887 states and 25764 transitions. Word has length 142 [2022-11-16 19:43:32,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:43:32,904 INFO L495 AbstractCegarLoop]: Abstraction has 17887 states and 25764 transitions. [2022-11-16 19:43:32,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-16 19:43:32,905 INFO L276 IsEmpty]: Start isEmpty. Operand 17887 states and 25764 transitions. [2022-11-16 19:43:32,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-16 19:43:32,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:43:32,908 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:43:32,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-16 19:43:32,908 INFO L420 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)] === [2022-11-16 19:43:32,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:43:32,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1354058731, now seen corresponding path program 1 times [2022-11-16 19:43:32,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:43:32,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885034474] [2022-11-16 19:43:32,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:43:32,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:43:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:43:33,359 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:43:33,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:43:33,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885034474] [2022-11-16 19:43:33,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885034474] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:43:33,361 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:43:33,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:43:33,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247078899] [2022-11-16 19:43:33,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:43:33,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:43:33,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:43:33,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:43:33,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:43:33,363 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) [2022-11-16 19:43:36,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:43:36,824 INFO L93 Difference]: Finished difference Result 17887 states and 25764 transitions. [2022-11-16 19:43:36,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:43:36,825 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 [2022-11-16 19:43:36,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:43:36,880 INFO L225 Difference]: With dead ends: 17887 [2022-11-16 19:43:36,880 INFO L226 Difference]: Without dead ends: 17885 [2022-11-16 19:43:36,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:43:36,889 INFO L413 NwaCegarLoop]: 2963 mSDtfsCounter, 3356 mSDsluCounter, 2963 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3358 SdHoareTripleChecker+Valid, 5926 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-11-16 19:43:36,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3358 Valid, 5926 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-11-16 19:43:36,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17885 states. [2022-11-16 19:43:38,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17885 to 17885. [2022-11-16 19:43:38,404 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) [2022-11-16 19:43:38,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17885 states to 17885 states and 25761 transitions. [2022-11-16 19:43:38,485 INFO L78 Accepts]: Start accepts. Automaton has 17885 states and 25761 transitions. Word has length 117 [2022-11-16 19:43:38,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:43:38,486 INFO L495 AbstractCegarLoop]: Abstraction has 17885 states and 25761 transitions. [2022-11-16 19:43:38,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-16 19:43:38,486 INFO L276 IsEmpty]: Start isEmpty. Operand 17885 states and 25761 transitions. [2022-11-16 19:43:38,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-16 19:43:38,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:43:38,490 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:43:38,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-16 19:43:38,490 INFO L420 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)] === [2022-11-16 19:43:38,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:43:38,491 INFO L85 PathProgramCache]: Analyzing trace with hash 180104739, now seen corresponding path program 1 times [2022-11-16 19:43:38,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:43:38,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507256800] [2022-11-16 19:43:38,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:43:38,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:43:38,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:43:39,227 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:43:39,227 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:43:39,228 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1507256800] [2022-11-16 19:43:39,228 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1507256800] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:43:39,228 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:43:39,228 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:43:39,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539277913] [2022-11-16 19:43:39,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:43:39,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:43:39,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:43:39,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:43:39,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:43:39,230 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) [2022-11-16 19:43:42,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:43:42,864 INFO L93 Difference]: Finished difference Result 17885 states and 25761 transitions. [2022-11-16 19:43:42,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:43:42,866 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 [2022-11-16 19:43:42,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:43:42,921 INFO L225 Difference]: With dead ends: 17885 [2022-11-16 19:43:42,922 INFO L226 Difference]: Without dead ends: 17883 [2022-11-16 19:43:42,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:43:42,930 INFO L413 NwaCegarLoop]: 2961 mSDtfsCounter, 3353 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3355 SdHoareTripleChecker+Valid, 5922 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 855 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-16 19:43:42,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3355 Valid, 5922 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-16 19:43:42,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17883 states. [2022-11-16 19:43:44,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17883 to 17883. [2022-11-16 19:43:44,706 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) [2022-11-16 19:43:44,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17883 states to 17883 states and 25758 transitions. [2022-11-16 19:43:44,793 INFO L78 Accepts]: Start accepts. Automaton has 17883 states and 25758 transitions. Word has length 122 [2022-11-16 19:43:44,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:43:44,793 INFO L495 AbstractCegarLoop]: Abstraction has 17883 states and 25758 transitions. [2022-11-16 19:43:44,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-16 19:43:44,793 INFO L276 IsEmpty]: Start isEmpty. Operand 17883 states and 25758 transitions. [2022-11-16 19:43:44,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-16 19:43:44,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:43:44,797 INFO L195 NwaCegarLoop]: 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] [2022-11-16 19:43:44,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-16 19:43:44,797 INFO L420 AbstractCegarLoop]: === Iteration 26 === 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)] === [2022-11-16 19:43:44,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:43:44,798 INFO L85 PathProgramCache]: Analyzing trace with hash -889628705, now seen corresponding path program 1 times [2022-11-16 19:43:44,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:43:44,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690718464] [2022-11-16 19:43:44,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:43:44,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:43:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:43:45,550 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-11-16 19:43:45,550 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:43:45,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690718464] [2022-11-16 19:43:45,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690718464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:43:45,551 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:43:45,551 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 19:43:45,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661742325] [2022-11-16 19:43:45,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:43:45,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 19:43:45,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:43:45,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 19:43:45,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:43:45,553 INFO L87 Difference]: Start difference. First operand 17883 states and 25758 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) [2022-11-16 19:43:51,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:43:51,073 INFO L93 Difference]: Finished difference Result 35760 states and 53081 transitions. [2022-11-16 19:43:51,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:43:51,074 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 [2022-11-16 19:43:51,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:43:51,146 INFO L225 Difference]: With dead ends: 35760 [2022-11-16 19:43:51,146 INFO L226 Difference]: Without dead ends: 17891 [2022-11-16 19:43:51,222 INFO L412 NwaCegarLoop]: 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 [2022-11-16 19:43:51,222 INFO L413 NwaCegarLoop]: 2961 mSDtfsCounter, 2 mSDsluCounter, 8871 mSDsCounter, 0 mSdLazyCounter, 1726 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11832 SdHoareTripleChecker+Invalid, 1727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1726 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-16 19:43:51,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11832 Invalid, 1727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1726 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-16 19:43:51,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17891 states. [2022-11-16 19:43:53,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17891 to 17891. [2022-11-16 19:43:53,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17891 states, 10851 states have (on average 1.2893742512210855) internal successors, (13991), 11328 states have internal predecessors, (13991), 5223 states have call successors, (5223), 1821 states have call predecessors, (5223), 1800 states have return successors, (6530), 4974 states have call predecessors, (6530), 5221 states have call successors, (6530) [2022-11-16 19:43:53,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17891 states to 17891 states and 25744 transitions. [2022-11-16 19:43:53,185 INFO L78 Accepts]: Start accepts. Automaton has 17891 states and 25744 transitions. Word has length 162 [2022-11-16 19:43:53,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:43:53,186 INFO L495 AbstractCegarLoop]: Abstraction has 17891 states and 25744 transitions. [2022-11-16 19:43:53,186 INFO L496 AbstractCegarLoop]: INTERPOLANT 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) [2022-11-16 19:43:53,186 INFO L276 IsEmpty]: Start isEmpty. Operand 17891 states and 25744 transitions. [2022-11-16 19:43:53,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-16 19:43:53,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:43:53,189 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:43:53,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-16 19:43:53,189 INFO L420 AbstractCegarLoop]: === Iteration 27 === 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)] === [2022-11-16 19:43:53,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:43:53,191 INFO L85 PathProgramCache]: Analyzing trace with hash -600562763, now seen corresponding path program 1 times [2022-11-16 19:43:53,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:43:53,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988494699] [2022-11-16 19:43:53,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:43:53,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:43:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:43:53,571 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:43:53,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:43:53,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988494699] [2022-11-16 19:43:53,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988494699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:43:53,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:43:53,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:43:53,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274265087] [2022-11-16 19:43:53,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:43:53,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:43:53,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:43:53,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:43:53,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:43:53,574 INFO L87 Difference]: Start difference. First operand 17891 states and 25744 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) [2022-11-16 19:44:00,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:44:00,514 INFO L93 Difference]: Finished difference Result 53153 states and 82886 transitions. [2022-11-16 19:44:00,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:44:00,515 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 [2022-11-16 19:44:00,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:44:00,653 INFO L225 Difference]: With dead ends: 53153 [2022-11-16 19:44:00,653 INFO L226 Difference]: Without dead ends: 35276 [2022-11-16 19:44:00,747 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:44:00,747 INFO L413 NwaCegarLoop]: 3723 mSDtfsCounter, 3342 mSDsluCounter, 6691 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3344 SdHoareTripleChecker+Valid, 10414 SdHoareTripleChecker+Invalid, 1290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-16 19:44:00,747 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3344 Valid, 10414 Invalid, 1290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-16 19:44:00,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35276 states. [2022-11-16 19:44:04,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35276 to 35201. [2022-11-16 19:44:04,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35201 states, 21369 states have (on average 1.2896719547007347) internal successors, (27559), 22314 states have internal predecessors, (27559), 10261 states have call successors, (10261), 3603 states have call predecessors, (10261), 3554 states have return successors, (16063), 9748 states have call predecessors, (16063), 10259 states have call successors, (16063) [2022-11-16 19:44:05,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35201 states to 35201 states and 53883 transitions. [2022-11-16 19:44:05,136 INFO L78 Accepts]: Start accepts. Automaton has 35201 states and 53883 transitions. Word has length 127 [2022-11-16 19:44:05,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:44:05,137 INFO L495 AbstractCegarLoop]: Abstraction has 35201 states and 53883 transitions. [2022-11-16 19:44:05,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 4 states have internal predecessors, (71), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-16 19:44:05,137 INFO L276 IsEmpty]: Start isEmpty. Operand 35201 states and 53883 transitions. [2022-11-16 19:44:05,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-16 19:44:05,140 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:44:05,140 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:44:05,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-16 19:44:05,140 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 19:44:05,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:44:05,141 INFO L85 PathProgramCache]: Analyzing trace with hash -1888619637, now seen corresponding path program 1 times [2022-11-16 19:44:05,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:44:05,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222556517] [2022-11-16 19:44:05,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:44:05,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:44:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:44:05,519 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:44:05,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:44:05,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222556517] [2022-11-16 19:44:05,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222556517] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:44:05,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:44:05,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:44:05,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038556935] [2022-11-16 19:44:05,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:44:05,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:44:05,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:44:05,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:44:05,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:44:05,522 INFO L87 Difference]: Start difference. First operand 35201 states and 53883 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 19:44:11,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:44:11,103 INFO L93 Difference]: Finished difference Result 35201 states and 53883 transitions. [2022-11-16 19:44:11,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 19:44:11,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 132 [2022-11-16 19:44:11,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:44:11,237 INFO L225 Difference]: With dead ends: 35201 [2022-11-16 19:44:11,237 INFO L226 Difference]: Without dead ends: 35199 [2022-11-16 19:44:11,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:44:11,253 INFO L413 NwaCegarLoop]: 2959 mSDtfsCounter, 3349 mSDsluCounter, 2959 mSDsCounter, 0 mSdLazyCounter, 855 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3351 SdHoareTripleChecker+Valid, 5918 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 [2022-11-16 19:44:11,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3351 Valid, 5918 Invalid, 855 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 855 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-11-16 19:44:11,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35199 states. [2022-11-16 19:44:14,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35199 to 35199. [2022-11-16 19:44:15,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35199 states, 21368 states have (on average 1.2895919131411457) internal successors, (27556), 22312 states have internal predecessors, (27556), 10261 states have call successors, (10261), 3603 states have call predecessors, (10261), 3554 states have return successors, (16063), 9748 states have call predecessors, (16063), 10259 states have call successors, (16063) [2022-11-16 19:44:15,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35199 states to 35199 states and 53880 transitions. [2022-11-16 19:44:15,210 INFO L78 Accepts]: Start accepts. Automaton has 35199 states and 53880 transitions. Word has length 132 [2022-11-16 19:44:15,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:44:15,211 INFO L495 AbstractCegarLoop]: Abstraction has 35199 states and 53880 transitions. [2022-11-16 19:44:15,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-16 19:44:15,211 INFO L276 IsEmpty]: Start isEmpty. Operand 35199 states and 53880 transitions. [2022-11-16 19:44:15,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-11-16 19:44:15,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:44:15,213 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 19:44:15,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-16 19:44:15,213 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 34 more)] === [2022-11-16 19:44:15,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:44:15,214 INFO L85 PathProgramCache]: Analyzing trace with hash -2068335063, now seen corresponding path program 1 times [2022-11-16 19:44:15,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:44:15,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702816547] [2022-11-16 19:44:15,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:44:15,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:44:15,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:44:15,545 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-16 19:44:15,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:44:15,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702816547] [2022-11-16 19:44:15,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702816547] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:44:15,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:44:15,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:44:15,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78140459] [2022-11-16 19:44:15,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:44:15,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:44:15,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:44:15,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:44:15,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:44:15,547 INFO L87 Difference]: Start difference. First operand 35199 states and 53880 transitions. Second operand has 4 states, 4 states have (on average 19.25) internal successors, (77), 4 states have internal predecessors, (77), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26)