./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 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_d463f7fd-11c3-46a9-92e5-204a554ccdd7/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/bin/utaipan-g80aRyZoba --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 ded9a504a1f021ee39d24f2dc9453e9d2f58c18dc67195089c039613b2b61e04 --- 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-b5237d8 [2022-11-22 01:25:08,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:25:08,833 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:25:08,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:25:08,855 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:25:08,856 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:25:08,858 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:25:08,860 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:25:08,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:25:08,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:25:08,864 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:25:08,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:25:08,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:25:08,867 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:25:08,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:25:08,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:25:08,870 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:25:08,871 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:25:08,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:25:08,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:25:08,877 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:25:08,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:25:08,880 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:25:08,882 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:25:08,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:25:08,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:25:08,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:25:08,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:25:08,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:25:08,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:25:08,891 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:25:08,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:25:08,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:25:08,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:25:08,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:25:08,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:25:08,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:25:08,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:25:08,905 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:25:08,906 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:25:08,907 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:25:08,910 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 01:25:08,954 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:25:08,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:25:08,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:25:08,955 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:25:08,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:25:08,957 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:25:08,957 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:25:08,957 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:25:08,957 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:25:08,958 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:25:08,959 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:25:08,959 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:25:08,959 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:25:08,960 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:25:08,960 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:25:08,960 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:25:08,960 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:25:08,961 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:25:08,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:25:08,962 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:25:08,962 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:25:08,962 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:25:08,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:25:08,963 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:25:08,963 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:25:08,963 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:25:08,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:25:08,964 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:25:08,964 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:25:08,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:25:08,965 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:25:08,965 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:25:08,965 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:25:08,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:25:08,966 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:25:08,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:25:08,966 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:25:08,967 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:25:08,967 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_d463f7fd-11c3-46a9-92e5-204a554ccdd7/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded9a504a1f021ee39d24f2dc9453e9d2f58c18dc67195089c039613b2b61e04 [2022-11-22 01:25:09,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:25:09,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:25:09,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:25:09,277 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:25:09,279 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:25:09,281 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-22 01:25:12,372 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:25:13,290 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:25:13,291 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-22 01:25:13,382 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/bin/utaipan-g80aRyZoba/data/d6dec692d/db9125aa67524ed2b0e13e43b8ce1e72/FLAGc8e7c8623 [2022-11-22 01:25:13,403 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/bin/utaipan-g80aRyZoba/data/d6dec692d/db9125aa67524ed2b0e13e43b8ce1e72 [2022-11-22 01:25:13,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:25:13,410 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:25:13,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:25:13,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:25:13,418 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:25:13,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:25:13" (1/1) ... [2022-11-22 01:25:13,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64bbf1ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:13, skipping insertion in model container [2022-11-22 01:25:13,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:25:13" (1/1) ... [2022-11-22 01:25:13,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:25:13,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:25:21,219 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694098,694111] [2022-11-22 01:25:21,227 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694267,694280] [2022-11-22 01:25:21,229 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694434,694447] [2022-11-22 01:25:21,232 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694602,694615] [2022-11-22 01:25:21,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:25:21,412 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:25:22,178 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694098,694111] [2022-11-22 01:25:22,178 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694267,694280] [2022-11-22 01:25:22,179 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694434,694447] [2022-11-22 01:25:22,180 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694602,694615] [2022-11-22 01:25:22,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:25:22,745 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:25:22,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:22 WrapperNode [2022-11-22 01:25:22,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:25:22,747 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:25:22,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:25:22,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:25:22,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:22" (1/1) ... [2022-11-22 01:25:22,996 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:22" (1/1) ... [2022-11-22 01:25:23,507 INFO L138 Inliner]: procedures = 831, calls = 8648, calls flagged for inlining = 381, calls inlined = 326, statements flattened = 16643 [2022-11-22 01:25:23,508 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:25:23,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:25:23,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:25:23,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:25:23,519 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:22" (1/1) ... [2022-11-22 01:25:23,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:22" (1/1) ... [2022-11-22 01:25:23,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:22" (1/1) ... [2022-11-22 01:25:23,636 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:22" (1/1) ... [2022-11-22 01:25:24,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:22" (1/1) ... [2022-11-22 01:25:24,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:22" (1/1) ... [2022-11-22 01:25:24,192 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:22" (1/1) ... [2022-11-22 01:25:24,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:22" (1/1) ... [2022-11-22 01:25:24,449 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:25:24,450 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:25:24,450 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:25:24,450 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:25:24,452 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:22" (1/1) ... [2022-11-22 01:25:24,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:25:24,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:25:24,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:25:24,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d463f7fd-11c3-46a9-92e5-204a554ccdd7/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:25:24,625 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2022-11-22 01:25:24,626 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2022-11-22 01:25:24,626 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-22 01:25:24,626 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-22 01:25:24,626 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-22 01:25:24,626 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-22 01:25:24,626 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2022-11-22 01:25:24,627 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2022-11-22 01:25:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2022-11-22 01:25:24,627 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2022-11-22 01:25:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2022-11-22 01:25:24,627 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2022-11-22 01:25:24,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_116 [2022-11-22 01:25:24,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_116 [2022-11-22 01:25:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 01:25:24,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 01:25:24,628 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2022-11-22 01:25:24,629 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2022-11-22 01:25:24,629 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 01:25:24,630 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 01:25:24,630 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 01:25:24,630 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 01:25:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2022-11-22 01:25:24,631 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2022-11-22 01:25:24,631 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2022-11-22 01:25:24,631 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2022-11-22 01:25:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-22 01:25:24,632 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-22 01:25:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2022-11-22 01:25:24,632 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2022-11-22 01:25:24,632 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2022-11-22 01:25:24,633 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2022-11-22 01:25:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-22 01:25:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 01:25:24,633 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 01:25:24,633 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 01:25:24,633 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 01:25:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2022-11-22 01:25:24,634 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2022-11-22 01:25:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2022-11-22 01:25:24,634 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2022-11-22 01:25:24,634 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-22 01:25:24,634 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-22 01:25:24,635 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 01:25:24,635 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 01:25:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 01:25:24,636 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 01:25:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-11-22 01:25:24,636 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-11-22 01:25:24,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-22 01:25:24,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-22 01:25:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2022-11-22 01:25:24,637 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2022-11-22 01:25:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2022-11-22 01:25:24,637 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2022-11-22 01:25:24,637 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 01:25:24,637 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 01:25:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2022-11-22 01:25:24,638 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2022-11-22 01:25:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 01:25:24,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 01:25:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2022-11-22 01:25:24,638 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2022-11-22 01:25:24,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:25:24,639 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-22 01:25:24,639 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-22 01:25:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2022-11-22 01:25:24,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2022-11-22 01:25:24,640 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2022-11-22 01:25:24,641 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2022-11-22 01:25:24,641 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2022-11-22 01:25:24,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2022-11-22 01:25:24,641 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-22 01:25:24,641 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-22 01:25:24,642 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 01:25:24,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 01:25:24,643 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-11-22 01:25:24,643 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-11-22 01:25:24,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-22 01:25:24,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-22 01:25:24,643 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2022-11-22 01:25:24,643 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2022-11-22 01:25:24,644 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2022-11-22 01:25:24,644 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2022-11-22 01:25:24,644 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2022-11-22 01:25:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2022-11-22 01:25:24,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 01:25:24,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 01:25:24,645 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2022-11-22 01:25:24,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2022-11-22 01:25:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2022-11-22 01:25:24,646 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2022-11-22 01:25:24,646 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2022-11-22 01:25:24,646 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2022-11-22 01:25:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2022-11-22 01:25:24,647 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2022-11-22 01:25:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2022-11-22 01:25:24,647 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2022-11-22 01:25:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-22 01:25:24,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-22 01:25:24,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 01:25:24,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-22 01:25:24,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-22 01:25:24,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-22 01:25:24,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-22 01:25:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:25:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2022-11-22 01:25:24,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2022-11-22 01:25:24,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 01:25:24,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 01:25:24,654 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 01:25:24,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 01:25:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 01:25:24,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-22 01:25:24,661 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-22 01:25:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 01:25:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2022-11-22 01:25:24,661 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2022-11-22 01:25:24,661 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-22 01:25:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-22 01:25:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2022-11-22 01:25:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2022-11-22 01:25:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-22 01:25:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-22 01:25:24,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 01:25:24,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 01:25:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2022-11-22 01:25:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2022-11-22 01:25:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2022-11-22 01:25:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2022-11-22 01:25:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-22 01:25:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-22 01:25:24,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 01:25:24,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 01:25:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2022-11-22 01:25:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2022-11-22 01:25:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2022-11-22 01:25:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2022-11-22 01:25:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-22 01:25:24,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-22 01:25:24,664 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 01:25:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 01:25:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2022-11-22 01:25:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2022-11-22 01:25:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2022-11-22 01:25:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2022-11-22 01:25:24,665 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2022-11-22 01:25:24,665 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2022-11-22 01:25:24,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:25:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:25:24,666 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 01:25:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 01:25:24,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 01:25:24,666 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 01:25:24,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 01:25:24,666 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-22 01:25:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-22 01:25:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2022-11-22 01:25:24,667 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2022-11-22 01:25:24,667 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 01:25:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 01:25:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 01:25:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 01:25:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 01:25:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-22 01:25:24,668 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-22 01:25:24,668 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2022-11-22 01:25:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2022-11-22 01:25:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2022-11-22 01:25:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2022-11-22 01:25:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-22 01:25:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-22 01:25:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 01:25:24,669 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 01:25:24,669 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2022-11-22 01:25:24,670 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2022-11-22 01:25:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-22 01:25:24,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-22 01:25:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2022-11-22 01:25:24,670 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2022-11-22 01:25:24,670 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-22 01:25:24,670 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-22 01:25:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2022-11-22 01:25:24,671 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2022-11-22 01:25:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-22 01:25:24,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-22 01:25:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:25:24,671 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2022-11-22 01:25:24,671 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2022-11-22 01:25:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2022-11-22 01:25:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2022-11-22 01:25:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 01:25:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2022-11-22 01:25:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2022-11-22 01:25:24,672 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2022-11-22 01:25:24,672 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2022-11-22 01:25:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2022-11-22 01:25:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2022-11-22 01:25:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 01:25:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 01:25:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-22 01:25:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-22 01:25:24,673 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 01:25:24,673 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 01:25:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2022-11-22 01:25:24,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2022-11-22 01:25:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2022-11-22 01:25:24,674 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2022-11-22 01:25:24,674 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2022-11-22 01:25:24,674 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2022-11-22 01:25:24,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 01:25:24,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 01:25:24,675 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-22 01:25:24,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-22 01:25:24,675 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-22 01:25:24,675 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-22 01:25:24,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_85 [2022-11-22 01:25:24,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_85 [2022-11-22 01:25:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-22 01:25:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-22 01:25:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2022-11-22 01:25:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2022-11-22 01:25:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 01:25:24,676 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 01:25:24,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2022-11-22 01:25:24,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2022-11-22 01:25:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2022-11-22 01:25:24,677 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2022-11-22 01:25:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2022-11-22 01:25:24,677 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2022-11-22 01:25:24,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:25:24,678 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2022-11-22 01:25:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2022-11-22 01:25:24,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 01:25:24,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 01:25:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2022-11-22 01:25:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2022-11-22 01:25:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2022-11-22 01:25:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2022-11-22 01:25:24,683 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2022-11-22 01:25:24,683 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2022-11-22 01:25:24,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_99 [2022-11-22 01:25:24,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_99 [2022-11-22 01:25:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-22 01:25:24,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-22 01:25:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2022-11-22 01:25:24,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2022-11-22 01:25:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-22 01:25:24,696 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-22 01:25:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2022-11-22 01:25:24,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2022-11-22 01:25:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2022-11-22 01:25:24,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2022-11-22 01:25:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 01:25:24,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 01:25:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2022-11-22 01:25:24,697 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2022-11-22 01:25:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-22 01:25:24,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-22 01:25:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-22 01:25:24,697 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-22 01:25:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-11-22 01:25:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-11-22 01:25:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2022-11-22 01:25:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2022-11-22 01:25:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-22 01:25:24,698 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-22 01:25:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2022-11-22 01:25:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2022-11-22 01:25:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2022-11-22 01:25:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2022-11-22 01:25:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-22 01:25:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-22 01:25:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2022-11-22 01:25:24,699 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2022-11-22 01:25:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-22 01:25:24,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-22 01:25:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 01:25:24,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 01:25:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2022-11-22 01:25:24,700 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2022-11-22 01:25:24,700 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-22 01:25:24,700 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-22 01:25:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 01:25:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 01:25:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2022-11-22 01:25:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2022-11-22 01:25:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2022-11-22 01:25:24,701 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2022-11-22 01:25:24,701 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-22 01:25:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-22 01:25:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2022-11-22 01:25:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2022-11-22 01:25:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2022-11-22 01:25:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2022-11-22 01:25:24,702 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2022-11-22 01:25:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2022-11-22 01:25:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2022-11-22 01:25:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2022-11-22 01:25:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2022-11-22 01:25:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2022-11-22 01:25:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-22 01:25:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-22 01:25:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2022-11-22 01:25:24,703 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2022-11-22 01:25:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2022-11-22 01:25:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2022-11-22 01:25:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 01:25:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 01:25:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2022-11-22 01:25:24,704 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2022-11-22 01:25:24,704 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2022-11-22 01:25:24,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2022-11-22 01:25:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 01:25:24,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 01:25:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 01:25:24,705 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 01:25:24,705 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 01:25:24,705 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 01:25:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 01:25:24,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 01:25:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2022-11-22 01:25:24,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2022-11-22 01:25:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-22 01:25:24,706 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-22 01:25:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:25:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-22 01:25:24,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-22 01:25:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-22 01:25:24,707 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-22 01:25:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2022-11-22 01:25:24,707 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2022-11-22 01:25:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2022-11-22 01:25:24,707 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2022-11-22 01:25:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 01:25:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 01:25:24,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 01:25:24,723 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2022-11-22 01:25:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2022-11-22 01:25:24,723 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2022-11-22 01:25:24,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2022-11-22 01:25:24,723 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 01:25:24,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 01:25:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 01:25:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2022-11-22 01:25:24,724 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2022-11-22 01:25:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2022-11-22 01:25:24,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2022-11-22 01:25:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2022-11-22 01:25:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2022-11-22 01:25:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 01:25:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 01:25:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2022-11-22 01:25:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2022-11-22 01:25:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 01:25:24,725 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 01:25:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2022-11-22 01:25:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2022-11-22 01:25:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_86 [2022-11-22 01:25:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_86 [2022-11-22 01:25:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 01:25:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 01:25:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2022-11-22 01:25:24,726 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2022-11-22 01:25:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 01:25:24,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 01:25:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_59 [2022-11-22 01:25:24,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_59 [2022-11-22 01:25:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_self_test [2022-11-22 01:25:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_self_test [2022-11-22 01:25:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2022-11-22 01:25:24,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2022-11-22 01:25:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2022-11-22 01:25:24,729 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2022-11-22 01:25:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2022-11-22 01:25:24,729 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2022-11-22 01:25:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2022-11-22 01:25:24,729 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2022-11-22 01:25:24,729 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-22 01:25:24,730 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-22 01:25:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_timer [2022-11-22 01:25:24,730 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_timer [2022-11-22 01:25:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-22 01:25:24,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-22 01:25:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2022-11-22 01:25:24,730 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2022-11-22 01:25:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2022-11-22 01:25:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2022-11-22 01:25:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2022-11-22 01:25:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2022-11-22 01:25:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:25:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 01:25:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:25:24,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-22 01:25:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2022-11-22 01:25:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2022-11-22 01:25:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2022-11-22 01:25:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2022-11-22 01:25:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2022-11-22 01:25:24,732 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2022-11-22 01:25:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-22 01:25:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-22 01:25:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_53 [2022-11-22 01:25:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_53 [2022-11-22 01:25:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_52 [2022-11-22 01:25:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_52 [2022-11-22 01:25:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-22 01:25:24,733 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-22 01:25:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_49 [2022-11-22 01:25:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_49 [2022-11-22 01:25:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2022-11-22 01:25:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2022-11-22 01:25:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-22 01:25:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-22 01:25:24,734 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 01:25:24,734 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 01:25:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2022-11-22 01:25:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2022-11-22 01:25:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2022-11-22 01:25:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2022-11-22 01:25:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2022-11-22 01:25:24,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2022-11-22 01:25:24,735 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-22 01:25:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-22 01:25:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-11-22 01:25:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-11-22 01:25:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-22 01:25:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-22 01:25:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2022-11-22 01:25:24,736 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2022-11-22 01:25:24,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 01:25:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 01:25:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 01:25:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2022-11-22 01:25:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2022-11-22 01:25:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 01:25:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 01:25:24,737 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-22 01:25:24,737 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-22 01:25:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-22 01:25:24,738 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-22 01:25:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_bnx2 [2022-11-22 01:25:24,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_bnx2 [2022-11-22 01:25:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-22 01:25:24,738 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-22 01:25:24,738 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2022-11-22 01:25:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2022-11-22 01:25:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2022-11-22 01:25:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2022-11-22 01:25:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2022-11-22 01:25:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2022-11-22 01:25:24,739 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-22 01:25:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-22 01:25:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2022-11-22 01:25:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2022-11-22 01:25:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 01:25:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 01:25:24,740 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2022-11-22 01:25:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2022-11-22 01:25:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2022-11-22 01:25:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2022-11-22 01:25:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-22 01:25:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-22 01:25:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2022-11-22 01:25:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2022-11-22 01:25:24,741 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 01:25:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 01:25:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2022-11-22 01:25:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2022-11-22 01:25:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2022-11-22 01:25:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2022-11-22 01:25:24,742 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2022-11-22 01:25:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2022-11-22 01:25:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-22 01:25:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-22 01:25:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 01:25:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2022-11-22 01:25:24,747 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2022-11-22 01:25:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2022-11-22 01:25:24,758 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2022-11-22 01:25:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 01:25:24,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-22 01:25:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-22 01:25:24,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-22 01:25:24,758 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2022-11-22 01:25:24,758 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2022-11-22 01:25:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_139 [2022-11-22 01:25:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_139 [2022-11-22 01:25:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2022-11-22 01:25:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2022-11-22 01:25:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2022-11-22 01:25:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2022-11-22 01:25:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-22 01:25:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-22 01:25:24,759 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2022-11-22 01:25:24,759 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2022-11-22 01:25:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 01:25:24,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 01:25:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-11-22 01:25:24,760 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-11-22 01:25:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2022-11-22 01:25:24,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2022-11-22 01:25:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2022-11-22 01:25:24,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2022-11-22 01:25:24,760 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2022-11-22 01:25:24,760 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2022-11-22 01:25:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2022-11-22 01:25:24,761 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2022-11-22 01:25:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2022-11-22 01:25:24,761 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2022-11-22 01:25:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 01:25:24,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 01:25:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 01:25:24,761 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 01:25:24,761 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2022-11-22 01:25:24,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2022-11-22 01:25:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2022-11-22 01:25:24,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2022-11-22 01:25:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2022-11-22 01:25:24,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2022-11-22 01:25:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 01:25:24,762 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 01:25:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2022-11-22 01:25:24,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2022-11-22 01:25:24,762 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2022-11-22 01:25:24,762 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2022-11-22 01:25:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2022-11-22 01:25:24,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2022-11-22 01:25:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 01:25:24,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 01:25:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_98 [2022-11-22 01:25:24,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_98 [2022-11-22 01:25:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2022-11-22 01:25:24,763 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2022-11-22 01:25:24,763 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 01:25:24,763 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 01:25:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-22 01:25:24,764 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-22 01:25:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-22 01:25:24,764 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-22 01:25:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2022-11-22 01:25:24,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2022-11-22 01:25:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2022-11-22 01:25:24,764 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2022-11-22 01:25:24,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 01:25:24,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 01:25:24,765 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-22 01:25:24,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-22 01:25:24,765 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-22 01:25:24,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-22 01:25:24,765 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-22 01:25:24,765 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-22 01:25:24,765 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 01:25:24,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 01:25:24,765 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 01:25:24,765 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 01:25:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:25:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2022-11-22 01:25:24,766 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2022-11-22 01:25:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2022-11-22 01:25:24,766 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2022-11-22 01:25:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2022-11-22 01:25:24,766 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2022-11-22 01:25:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 01:25:24,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 01:25:24,766 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2022-11-22 01:25:24,767 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2022-11-22 01:25:26,880 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:25:26,884 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:25:27,386 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 01:28:05,999 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:28:16,413 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:28:16,413 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-22 01:28:16,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:28:16 BoogieIcfgContainer [2022-11-22 01:28:16,424 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:28:16,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:28:16,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:28:16,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:28:16,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:25:13" (1/3) ... [2022-11-22 01:28:16,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@193e3fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:28:16, skipping insertion in model container [2022-11-22 01:28:16,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:25:22" (2/3) ... [2022-11-22 01:28:16,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@193e3fa9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:28:16, skipping insertion in model container [2022-11-22 01:28:16,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:28:16" (3/3) ... [2022-11-22 01:28:16,435 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2022-11-22 01:28:16,457 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:28:16,457 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-22 01:28:16,614 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:28:16,621 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;@597b7657, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:28:16,621 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-22 01:28:16,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 4542 states, 2701 states have (on average 1.2839689004072565) internal successors, (3468), 2799 states have internal predecessors, (3468), 1564 states have call successors, (1564), 274 states have call predecessors, (1564), 273 states have return successors, (1557), 1536 states have call predecessors, (1557), 1557 states have call successors, (1557) [2022-11-22 01:28:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-22 01:28:16,648 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:28:16,649 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:28:16,649 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:28:16,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:28:16,654 INFO L85 PathProgramCache]: Analyzing trace with hash 210230972, now seen corresponding path program 1 times [2022-11-22 01:28:16,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:28:16,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845908469] [2022-11-22 01:28:16,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:28:16,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:28:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:28:19,010 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 01:28:19,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:28:19,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845908469] [2022-11-22 01:28:19,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845908469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:28:19,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:28:19,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:28:19,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517355196] [2022-11-22 01:28:19,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:28:19,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:28:19,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:28:19,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:28:19,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:28:19,092 INFO L87 Difference]: Start difference. First operand has 4542 states, 2701 states have (on average 1.2839689004072565) internal successors, (3468), 2799 states have internal predecessors, (3468), 1564 states have call successors, (1564), 274 states have call predecessors, (1564), 273 states have return successors, (1557), 1536 states have call predecessors, (1557), 1557 states have call successors, (1557) Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-22 01:28:25,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:28:29,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:28:33,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:28:35,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:28:37,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:28:39,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:28:45,636 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:28:47,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:28:54,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:28:55,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:28:59,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:29:06,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:29:09,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:29:11,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:29:11,597 INFO L93 Difference]: Finished difference Result 13407 states and 20342 transitions. [2022-11-22 01:29:11,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:29:11,600 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 35 [2022-11-22 01:29:11,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:29:11,695 INFO L225 Difference]: With dead ends: 13407 [2022-11-22 01:29:11,695 INFO L226 Difference]: Without dead ends: 8862 [2022-11-22 01:29:11,758 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:29:11,762 INFO L413 NwaCegarLoop]: 7547 mSDtfsCounter, 6369 mSDsluCounter, 21043 mSDsCounter, 0 mSdLazyCounter, 2670 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6385 SdHoareTripleChecker+Valid, 28590 SdHoareTripleChecker+Invalid, 2681 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2670 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.2s IncrementalHoareTripleChecker+Time [2022-11-22 01:29:11,763 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6385 Valid, 28590 Invalid, 2681 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [3 Valid, 2670 Invalid, 8 Unknown, 0 Unchecked, 51.2s Time] [2022-11-22 01:29:11,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8862 states. [2022-11-22 01:29:12,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8862 to 8852. [2022-11-22 01:29:12,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8852 states, 5270 states have (on average 1.2810246679316888) internal successors, (6751), 5455 states have internal predecessors, (6751), 3041 states have call successors, (3041), 541 states have call predecessors, (3041), 538 states have return successors, (3185), 2990 states have call predecessors, (3185), 3035 states have call successors, (3185) [2022-11-22 01:29:12,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8852 states to 8852 states and 12977 transitions. [2022-11-22 01:29:12,993 INFO L78 Accepts]: Start accepts. Automaton has 8852 states and 12977 transitions. Word has length 35 [2022-11-22 01:29:12,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:29:12,995 INFO L495 AbstractCegarLoop]: Abstraction has 8852 states and 12977 transitions. [2022-11-22 01:29:12,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (8), 3 states have call predecessors, (8), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-11-22 01:29:12,996 INFO L276 IsEmpty]: Start isEmpty. Operand 8852 states and 12977 transitions. [2022-11-22 01:29:13,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-22 01:29:13,000 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:29:13,001 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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] [2022-11-22 01:29:13,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:29:13,001 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:29:13,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:29:13,002 INFO L85 PathProgramCache]: Analyzing trace with hash -861940419, now seen corresponding path program 1 times [2022-11-22 01:29:13,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:29:13,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20444365] [2022-11-22 01:29:13,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:29:13,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:29:13,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:29:14,621 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-11-22 01:29:14,621 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:29:14,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20444365] [2022-11-22 01:29:14,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20444365] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:29:14,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:29:14,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:29:14,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520767745] [2022-11-22 01:29:14,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:29:14,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:29:14,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:29:14,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:29:14,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:29:14,624 INFO L87 Difference]: Start difference. First operand 8852 states and 12977 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 01:29:21,776 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:29:23,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:29:29,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:29:33,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:29:36,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:29:37,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:29:40,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:29:45,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:29:53,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:29:56,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:29:59,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:29:59,663 INFO L93 Difference]: Finished difference Result 16349 states and 23844 transitions. [2022-11-22 01:29:59,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:29:59,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 40 [2022-11-22 01:29:59,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:29:59,826 INFO L225 Difference]: With dead ends: 16349 [2022-11-22 01:29:59,827 INFO L226 Difference]: Without dead ends: 16347 [2022-11-22 01:29:59,842 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:29:59,848 INFO L413 NwaCegarLoop]: 7292 mSDtfsCounter, 6257 mSDsluCounter, 19657 mSDsCounter, 0 mSdLazyCounter, 2600 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6280 SdHoareTripleChecker+Valid, 26949 SdHoareTripleChecker+Invalid, 2608 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2600 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 44.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:29:59,850 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6280 Valid, 26949 Invalid, 2608 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2600 Invalid, 7 Unknown, 0 Unchecked, 44.1s Time] [2022-11-22 01:29:59,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16347 states. [2022-11-22 01:30:01,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16347 to 16330. [2022-11-22 01:30:01,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16330 states, 9770 states have (on average 1.2821903787103377) internal successors, (12527), 10106 states have internal predecessors, (12527), 5542 states have call successors, (5542), 1025 states have call predecessors, (5542), 1015 states have return successors, (5757), 5445 states have call predecessors, (5757), 5536 states have call successors, (5757) [2022-11-22 01:30:01,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16330 states to 16330 states and 23826 transitions. [2022-11-22 01:30:01,267 INFO L78 Accepts]: Start accepts. Automaton has 16330 states and 23826 transitions. Word has length 40 [2022-11-22 01:30:01,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:30:01,268 INFO L495 AbstractCegarLoop]: Abstraction has 16330 states and 23826 transitions. [2022-11-22 01:30:01,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-22 01:30:01,268 INFO L276 IsEmpty]: Start isEmpty. Operand 16330 states and 23826 transitions. [2022-11-22 01:30:01,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-11-22 01:30:01,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:30:01,270 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-11-22 01:30:01,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:30:01,271 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:30:01,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:30:01,272 INFO L85 PathProgramCache]: Analyzing trace with hash -404123942, now seen corresponding path program 1 times [2022-11-22 01:30:01,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:30:01,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267456133] [2022-11-22 01:30:01,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:30:01,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:30:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:30:02,818 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-22 01:30:02,818 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:30:02,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267456133] [2022-11-22 01:30:02,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267456133] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:30:02,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:30:02,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:30:02,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274901521] [2022-11-22 01:30:02,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:30:02,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:30:02,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:30:02,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:30:02,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:30:02,821 INFO L87 Difference]: Start difference. First operand 16330 states and 23826 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 01:30:05,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:30:07,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:30:11,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:30:14,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:30:21,160 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:30:26,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:30:28,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:30:36,272 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:30:46,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:30:48,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:30:51,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:30:51,232 INFO L93 Difference]: Finished difference Result 23825 states and 34697 transitions. [2022-11-22 01:30:51,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:30:51,233 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 51 [2022-11-22 01:30:51,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:30:51,379 INFO L225 Difference]: With dead ends: 23825 [2022-11-22 01:30:51,379 INFO L226 Difference]: Without dead ends: 23823 [2022-11-22 01:30:51,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:30:51,399 INFO L413 NwaCegarLoop]: 7369 mSDtfsCounter, 6255 mSDsluCounter, 19811 mSDsCounter, 0 mSdLazyCounter, 2651 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6277 SdHoareTripleChecker+Valid, 27180 SdHoareTripleChecker+Invalid, 2660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2651 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:30:51,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6277 Valid, 27180 Invalid, 2660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2651 Invalid, 8 Unknown, 0 Unchecked, 47.3s Time] [2022-11-22 01:30:51,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23823 states. [2022-11-22 01:30:53,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23823 to 23808. [2022-11-22 01:30:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23808 states, 14270 states have (on average 1.2826208829712684) internal successors, (18303), 14757 states have internal predecessors, (18303), 8042 states have call successors, (8042), 1508 states have call predecessors, (8042), 1493 states have return successors, (8336), 7901 states have call predecessors, (8336), 8036 states have call successors, (8336) [2022-11-22 01:30:53,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23808 states to 23808 states and 34681 transitions. [2022-11-22 01:30:53,355 INFO L78 Accepts]: Start accepts. Automaton has 23808 states and 34681 transitions. Word has length 51 [2022-11-22 01:30:53,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:30:53,355 INFO L495 AbstractCegarLoop]: Abstraction has 23808 states and 34681 transitions. [2022-11-22 01:30:53,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-22 01:30:53,356 INFO L276 IsEmpty]: Start isEmpty. Operand 23808 states and 34681 transitions. [2022-11-22 01:30:53,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-22 01:30:53,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:30:53,358 INFO L195 NwaCegarLoop]: trace histogram [4, 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] [2022-11-22 01:30:53,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:30:53,359 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:30:53,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:30:53,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1849145183, now seen corresponding path program 1 times [2022-11-22 01:30:53,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:30:53,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259741296] [2022-11-22 01:30:53,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:30:53,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:30:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:30:55,140 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-22 01:30:55,140 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:30:55,140 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259741296] [2022-11-22 01:30:55,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259741296] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:30:55,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:30:55,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:30:55,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740171390] [2022-11-22 01:30:55,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:30:55,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:30:55,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:30:55,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:30:55,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:30:55,142 INFO L87 Difference]: Start difference. First operand 23808 states and 34681 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:31:01,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:31:08,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:31:10,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:31:12,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:31:14,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:31:18,596 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:31:22,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:31:31,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:31:41,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:31:43,656 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:31:46,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:31:46,109 INFO L93 Difference]: Finished difference Result 23837 states and 34703 transitions. [2022-11-22 01:31:46,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:31:46,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 56 [2022-11-22 01:31:46,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:31:46,242 INFO L225 Difference]: With dead ends: 23837 [2022-11-22 01:31:46,242 INFO L226 Difference]: Without dead ends: 23835 [2022-11-22 01:31:46,265 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:31:46,267 INFO L413 NwaCegarLoop]: 7373 mSDtfsCounter, 6260 mSDsluCounter, 19819 mSDsCounter, 0 mSdLazyCounter, 2660 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6278 SdHoareTripleChecker+Valid, 27192 SdHoareTripleChecker+Invalid, 2668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2660 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:31:46,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6278 Valid, 27192 Invalid, 2668 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2660 Invalid, 7 Unknown, 0 Unchecked, 50.0s Time] [2022-11-22 01:31:46,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23835 states. [2022-11-22 01:31:47,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23835 to 23828. [2022-11-22 01:31:47,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23828 states, 14284 states have (on average 1.282343881265752) internal successors, (18317), 14769 states have internal predecessors, (18317), 8042 states have call successors, (8042), 1512 states have call predecessors, (8042), 1499 states have return successors, (8336), 7905 states have call predecessors, (8336), 8036 states have call successors, (8336) [2022-11-22 01:31:47,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23828 states to 23828 states and 34695 transitions. [2022-11-22 01:31:47,925 INFO L78 Accepts]: Start accepts. Automaton has 23828 states and 34695 transitions. Word has length 56 [2022-11-22 01:31:47,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:31:47,926 INFO L495 AbstractCegarLoop]: Abstraction has 23828 states and 34695 transitions. [2022-11-22 01:31:47,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:31:47,927 INFO L276 IsEmpty]: Start isEmpty. Operand 23828 states and 34695 transitions. [2022-11-22 01:31:47,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-22 01:31:47,928 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:31:47,929 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:31:47,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:31:47,929 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:31:47,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:31:47,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1615632252, now seen corresponding path program 1 times [2022-11-22 01:31:47,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:31:47,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904778633] [2022-11-22 01:31:47,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:31:47,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:31:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:31:49,409 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-22 01:31:49,410 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:31:49,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904778633] [2022-11-22 01:31:49,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [904778633] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:31:49,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:31:49,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:31:49,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829336409] [2022-11-22 01:31:49,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:31:49,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:31:49,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:31:49,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:31:49,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:31:49,412 INFO L87 Difference]: Start difference. First operand 23828 states and 34695 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:31:51,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:31:56,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:00,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:04,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:11,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:16,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:19,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:29,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:31,735 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:34,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:32:34,565 INFO L93 Difference]: Finished difference Result 43012 states and 63954 transitions. [2022-11-22 01:32:34,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:32:34,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 55 [2022-11-22 01:32:34,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:32:34,822 INFO L225 Difference]: With dead ends: 43012 [2022-11-22 01:32:34,822 INFO L226 Difference]: Without dead ends: 43010 [2022-11-22 01:32:34,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:32:34,865 INFO L413 NwaCegarLoop]: 7575 mSDtfsCounter, 6593 mSDsluCounter, 20079 mSDsCounter, 0 mSdLazyCounter, 2710 mSolverCounterSat, 3 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6605 SdHoareTripleChecker+Valid, 27654 SdHoareTripleChecker+Invalid, 2720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2710 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:32:34,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6605 Valid, 27654 Invalid, 2720 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2710 Invalid, 7 Unknown, 0 Unchecked, 43.4s Time] [2022-11-22 01:32:34,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43010 states. [2022-11-22 01:32:37,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43010 to 42991. [2022-11-22 01:32:37,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42991 states, 25731 states have (on average 1.2833935719560063) internal successors, (33023), 26756 states have internal predecessors, (33023), 14417 states have call successors, (14417), 2942 states have call predecessors, (14417), 2840 states have return successors, (16495), 13938 states have call predecessors, (16495), 14405 states have call successors, (16495) [2022-11-22 01:32:38,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42991 states to 42991 states and 63935 transitions. [2022-11-22 01:32:38,348 INFO L78 Accepts]: Start accepts. Automaton has 42991 states and 63935 transitions. Word has length 55 [2022-11-22 01:32:38,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:32:38,349 INFO L495 AbstractCegarLoop]: Abstraction has 42991 states and 63935 transitions. [2022-11-22 01:32:38,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-22 01:32:38,349 INFO L276 IsEmpty]: Start isEmpty. Operand 42991 states and 63935 transitions. [2022-11-22 01:32:38,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-11-22 01:32:38,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:32:38,353 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:32:38,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:32:38,354 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:32:38,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:32:38,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1998910333, now seen corresponding path program 1 times [2022-11-22 01:32:38,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:32:38,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147828405] [2022-11-22 01:32:38,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:32:38,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:32:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:32:39,781 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-22 01:32:39,781 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:32:39,782 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147828405] [2022-11-22 01:32:39,782 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147828405] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:32:39,782 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:32:39,782 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:32:39,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104088480] [2022-11-22 01:32:39,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:32:39,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:32:39,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:32:39,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:32:39,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:32:39,784 INFO L87 Difference]: Start difference. First operand 42991 states and 63935 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-22 01:32:47,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:32:54,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:02,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:05,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:08,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:10,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:12,984 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:16,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:18,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:20,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:27,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:30,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:34,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:33:34,111 INFO L93 Difference]: Finished difference Result 43032 states and 63969 transitions. [2022-11-22 01:33:34,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:33:34,117 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 60 [2022-11-22 01:33:34,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:33:34,391 INFO L225 Difference]: With dead ends: 43032 [2022-11-22 01:33:34,392 INFO L226 Difference]: Without dead ends: 43030 [2022-11-22 01:33:34,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:33:34,423 INFO L413 NwaCegarLoop]: 7299 mSDtfsCounter, 6260 mSDsluCounter, 19671 mSDsCounter, 0 mSdLazyCounter, 2627 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6277 SdHoareTripleChecker+Valid, 26970 SdHoareTripleChecker+Invalid, 2637 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2627 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:33:34,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6277 Valid, 26970 Invalid, 2637 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2627 Invalid, 9 Unknown, 0 Unchecked, 52.5s Time] [2022-11-22 01:33:34,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43030 states. [2022-11-22 01:33:36,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43030 to 43015. [2022-11-22 01:33:36,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43015 states, 25747 states have (on average 1.2832174622286092) internal successors, (33039), 26772 states have internal predecessors, (33039), 14417 states have call successors, (14417), 2946 states have call predecessors, (14417), 2848 states have return successors, (16495), 13942 states have call predecessors, (16495), 14405 states have call successors, (16495) [2022-11-22 01:33:37,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43015 states to 43015 states and 63951 transitions. [2022-11-22 01:33:37,367 INFO L78 Accepts]: Start accepts. Automaton has 43015 states and 63951 transitions. Word has length 60 [2022-11-22 01:33:37,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:33:37,368 INFO L495 AbstractCegarLoop]: Abstraction has 43015 states and 63951 transitions. [2022-11-22 01:33:37,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-22 01:33:37,368 INFO L276 IsEmpty]: Start isEmpty. Operand 43015 states and 63951 transitions. [2022-11-22 01:33:37,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-11-22 01:33:37,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:33:37,372 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 6, 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] [2022-11-22 01:33:37,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:33:37,372 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:33:37,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:33:37,373 INFO L85 PathProgramCache]: Analyzing trace with hash 1248488602, now seen corresponding path program 1 times [2022-11-22 01:33:37,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:33:37,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913777183] [2022-11-22 01:33:37,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:33:37,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:33:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:33:39,035 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-22 01:33:39,036 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:33:39,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913777183] [2022-11-22 01:33:39,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913777183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:33:39,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:33:39,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:33:39,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310786175] [2022-11-22 01:33:39,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:33:39,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:33:39,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:33:39,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:33:39,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:33:39,038 INFO L87 Difference]: Start difference. First operand 43015 states and 63951 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 01:33:46,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:33:53,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:01,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:04,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:08,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:15,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:21,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:23,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:26,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:34:26,350 INFO L93 Difference]: Finished difference Result 43040 states and 63973 transitions. [2022-11-22 01:34:26,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:34:26,350 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 71 [2022-11-22 01:34:26,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:34:26,530 INFO L225 Difference]: With dead ends: 43040 [2022-11-22 01:34:26,530 INFO L226 Difference]: Without dead ends: 43038 [2022-11-22 01:34:26,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:34:26,553 INFO L413 NwaCegarLoop]: 7312 mSDtfsCounter, 6258 mSDsluCounter, 19697 mSDsCounter, 0 mSdLazyCounter, 2648 mSolverCounterSat, 1 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6274 SdHoareTripleChecker+Valid, 27009 SdHoareTripleChecker+Invalid, 2656 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2648 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:34:26,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6274 Valid, 27009 Invalid, 2656 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2648 Invalid, 7 Unknown, 0 Unchecked, 45.4s Time] [2022-11-22 01:34:26,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43038 states. [2022-11-22 01:34:29,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43038 to 43031. [2022-11-22 01:34:29,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43031 states, 25759 states have (on average 1.2830855235063472) internal successors, (33051), 26784 states have internal predecessors, (33051), 14417 states have call successors, (14417), 2950 states have call predecessors, (14417), 2852 states have return successors, (16495), 13942 states have call predecessors, (16495), 14405 states have call successors, (16495) [2022-11-22 01:34:29,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43031 states to 43031 states and 63963 transitions. [2022-11-22 01:34:29,792 INFO L78 Accepts]: Start accepts. Automaton has 43031 states and 63963 transitions. Word has length 71 [2022-11-22 01:34:29,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:34:29,793 INFO L495 AbstractCegarLoop]: Abstraction has 43031 states and 63963 transitions. [2022-11-22 01:34:29,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-22 01:34:29,793 INFO L276 IsEmpty]: Start isEmpty. Operand 43031 states and 63963 transitions. [2022-11-22 01:34:29,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-22 01:34:29,796 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:34:29,808 INFO L195 NwaCegarLoop]: trace histogram [8, 7, 7, 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] [2022-11-22 01:34:29,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:34:29,809 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:34:29,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:34:29,811 INFO L85 PathProgramCache]: Analyzing trace with hash 47173791, now seen corresponding path program 1 times [2022-11-22 01:34:29,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:34:29,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262257614] [2022-11-22 01:34:29,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:34:29,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:34:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:34:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2022-11-22 01:34:31,524 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:34:31,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262257614] [2022-11-22 01:34:31,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262257614] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:34:31,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:34:31,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:34:31,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522162323] [2022-11-22 01:34:31,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:34:31,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:34:31,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:34:31,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:34:31,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:34:31,526 INFO L87 Difference]: Start difference. First operand 43031 states and 63963 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-22 01:34:38,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:40,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:42,557 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:47,744 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:49,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:50,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:34:58,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:02,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:03,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:05,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:09,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:13,035 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:18,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:20,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:29,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:35:29,543 INFO L93 Difference]: Finished difference Result 56486 states and 83798 transitions. [2022-11-22 01:35:29,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:35:29,544 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 76 [2022-11-22 01:35:29,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:35:29,789 INFO L225 Difference]: With dead ends: 56486 [2022-11-22 01:35:29,789 INFO L226 Difference]: Without dead ends: 56484 [2022-11-22 01:35:29,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:35:29,810 INFO L413 NwaCegarLoop]: 7603 mSDtfsCounter, 6273 mSDsluCounter, 20279 mSDsCounter, 0 mSdLazyCounter, 2802 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 54.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6287 SdHoareTripleChecker+Valid, 27882 SdHoareTripleChecker+Invalid, 2812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2802 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.6s IncrementalHoareTripleChecker+Time [2022-11-22 01:35:29,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6287 Valid, 27882 Invalid, 2812 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2802 Invalid, 9 Unknown, 0 Unchecked, 55.6s Time] [2022-11-22 01:35:29,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56484 states. [2022-11-22 01:35:32,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56484 to 56472. [2022-11-22 01:35:32,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56472 states, 33833 states have (on average 1.2833032837761948) internal successors, (43418), 35177 states have internal predecessors, (43418), 18875 states have call successors, (18875), 3889 states have call predecessors, (18875), 3761 states have return successors, (21490), 18254 states have call predecessors, (21490), 18863 states have call successors, (21490) [2022-11-22 01:35:33,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56472 states to 56472 states and 83783 transitions. [2022-11-22 01:35:33,033 INFO L78 Accepts]: Start accepts. Automaton has 56472 states and 83783 transitions. Word has length 76 [2022-11-22 01:35:33,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:35:33,034 INFO L495 AbstractCegarLoop]: Abstraction has 56472 states and 83783 transitions. [2022-11-22 01:35:33,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (16), 3 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-22 01:35:33,034 INFO L276 IsEmpty]: Start isEmpty. Operand 56472 states and 83783 transitions. [2022-11-22 01:35:33,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-11-22 01:35:33,035 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:35:33,036 INFO L195 NwaCegarLoop]: trace histogram [9, 8, 8, 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] [2022-11-22 01:35:33,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:35:33,036 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:35:33,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:35:33,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1859010426, now seen corresponding path program 1 times [2022-11-22 01:35:33,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:35:33,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444158757] [2022-11-22 01:35:33,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:35:33,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:35:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:35:34,498 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-11-22 01:35:34,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:35:34,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444158757] [2022-11-22 01:35:34,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1444158757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:35:34,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:35:34,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:35:34,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146493456] [2022-11-22 01:35:34,499 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:35:34,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:35:34,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:35:34,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:35:34,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:35:34,500 INFO L87 Difference]: Start difference. First operand 56472 states and 83783 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 01:35:41,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:45,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:50,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:51,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:52,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:35:54,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:03,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:05,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:08,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:12,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:14,309 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:18,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:20,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:25,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:27,598 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:35,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:36:35,527 INFO L93 Difference]: Finished difference Result 56510 states and 83814 transitions. [2022-11-22 01:36:35,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:36:35,528 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 81 [2022-11-22 01:36:35,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:36:35,777 INFO L225 Difference]: With dead ends: 56510 [2022-11-22 01:36:35,777 INFO L226 Difference]: Without dead ends: 56508 [2022-11-22 01:36:35,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:36:35,808 INFO L413 NwaCegarLoop]: 7598 mSDtfsCounter, 6261 mSDsluCounter, 20269 mSDsCounter, 0 mSdLazyCounter, 2790 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6272 SdHoareTripleChecker+Valid, 27867 SdHoareTripleChecker+Invalid, 2800 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2790 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.5s IncrementalHoareTripleChecker+Time [2022-11-22 01:36:35,809 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6272 Valid, 27867 Invalid, 2800 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 2790 Invalid, 9 Unknown, 0 Unchecked, 58.5s Time] [2022-11-22 01:36:35,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56508 states. [2022-11-22 01:36:38,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56508 to 56500. [2022-11-22 01:36:38,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56500 states, 33853 states have (on average 1.2831359111452456) internal successors, (43438), 35195 states have internal predecessors, (43438), 18875 states have call successors, (18875), 3895 states have call predecessors, (18875), 3769 states have return successors, (21490), 18258 states have call predecessors, (21490), 18863 states have call successors, (21490) [2022-11-22 01:36:39,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56500 states to 56500 states and 83803 transitions. [2022-11-22 01:36:39,109 INFO L78 Accepts]: Start accepts. Automaton has 56500 states and 83803 transitions. Word has length 81 [2022-11-22 01:36:39,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:36:39,109 INFO L495 AbstractCegarLoop]: Abstraction has 56500 states and 83803 transitions. [2022-11-22 01:36:39,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 01:36:39,109 INFO L276 IsEmpty]: Start isEmpty. Operand 56500 states and 83803 transitions. [2022-11-22 01:36:39,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-22 01:36:39,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:36:39,111 INFO L195 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:36:39,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-22 01:36:39,111 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:36:39,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:36:39,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1925500483, now seen corresponding path program 1 times [2022-11-22 01:36:39,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:36:39,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995704100] [2022-11-22 01:36:39,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:36:39,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:36:39,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:36:40,504 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-11-22 01:36:40,504 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:36:40,504 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995704100] [2022-11-22 01:36:40,504 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995704100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:36:40,504 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:36:40,504 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:36:40,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080153139] [2022-11-22 01:36:40,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:36:40,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:36:40,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:36:40,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:36:40,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:36:40,506 INFO L87 Difference]: Start difference. First operand 56500 states and 83803 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 01:36:47,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:36:55,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:02,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:07,431 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:08,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:11,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:13,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:14,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:19,188 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:23,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:29,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:31,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:36,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:37:36,687 INFO L93 Difference]: Finished difference Result 56526 states and 83826 transitions. [2022-11-22 01:37:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:37:36,687 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 80 [2022-11-22 01:37:36,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:37:36,920 INFO L225 Difference]: With dead ends: 56526 [2022-11-22 01:37:36,920 INFO L226 Difference]: Without dead ends: 56524 [2022-11-22 01:37:36,947 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:37:36,948 INFO L413 NwaCegarLoop]: 7607 mSDtfsCounter, 6263 mSDsluCounter, 20287 mSDsCounter, 0 mSdLazyCounter, 2788 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6274 SdHoareTripleChecker+Valid, 27894 SdHoareTripleChecker+Invalid, 2797 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2788 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:37:36,949 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6274 Valid, 27894 Invalid, 2797 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2788 Invalid, 8 Unknown, 0 Unchecked, 53.3s Time] [2022-11-22 01:37:36,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56524 states. [2022-11-22 01:37:40,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56524 to 56516. [2022-11-22 01:37:40,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56516 states, 33865 states have (on average 1.2830355824597668) internal successors, (43450), 35207 states have internal predecessors, (43450), 18875 states have call successors, (18875), 3899 states have call predecessors, (18875), 3773 states have return successors, (21490), 18258 states have call predecessors, (21490), 18863 states have call successors, (21490) [2022-11-22 01:37:40,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56516 states to 56516 states and 83815 transitions. [2022-11-22 01:37:40,531 INFO L78 Accepts]: Start accepts. Automaton has 56516 states and 83815 transitions. Word has length 80 [2022-11-22 01:37:40,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:37:40,531 INFO L495 AbstractCegarLoop]: Abstraction has 56516 states and 83815 transitions. [2022-11-22 01:37:40,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-22 01:37:40,531 INFO L276 IsEmpty]: Start isEmpty. Operand 56516 states and 83815 transitions. [2022-11-22 01:37:40,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-22 01:37:40,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:37:40,533 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:37:40,533 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 01:37:40,534 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:37:40,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:37:40,534 INFO L85 PathProgramCache]: Analyzing trace with hash 1757614236, now seen corresponding path program 1 times [2022-11-22 01:37:40,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:37:40,535 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120670687] [2022-11-22 01:37:40,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:37:40,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:37:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:37:41,827 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2022-11-22 01:37:41,827 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:37:41,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120670687] [2022-11-22 01:37:41,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120670687] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:37:41,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:37:41,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:37:41,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161400838] [2022-11-22 01:37:41,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:37:41,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:37:41,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:37:41,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:37:41,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:37:41,829 INFO L87 Difference]: Start difference. First operand 56516 states and 83815 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 01:37:46,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:50,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:53,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:37:59,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:38:04,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:38:09,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:38:12,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:38:18,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:38:29,880 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:38:32,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:38:37,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:38:37,565 INFO L93 Difference]: Finished difference Result 92987 states and 141304 transitions. [2022-11-22 01:38:37,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 01:38:37,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2022-11-22 01:38:37,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:38:38,111 INFO L225 Difference]: With dead ends: 92987 [2022-11-22 01:38:38,111 INFO L226 Difference]: Without dead ends: 92985 [2022-11-22 01:38:38,149 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-22 01:38:38,150 INFO L413 NwaCegarLoop]: 8234 mSDtfsCounter, 5728 mSDsluCounter, 22109 mSDsCounter, 0 mSdLazyCounter, 3086 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5735 SdHoareTripleChecker+Valid, 30343 SdHoareTripleChecker+Invalid, 3097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3086 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.4s IncrementalHoareTripleChecker+Time [2022-11-22 01:38:38,150 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5735 Valid, 30343 Invalid, 3097 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3086 Invalid, 8 Unknown, 0 Unchecked, 51.4s Time] [2022-11-22 01:38:38,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92985 states. [2022-11-22 01:38:43,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92985 to 92917. [2022-11-22 01:38:43,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92917 states, 55642 states have (on average 1.2824664821537688) internal successors, (71359), 57971 states have internal predecessors, (71359), 30651 states have call successors, (30651), 6931 states have call predecessors, (30651), 6621 states have return successors, (39224), 29370 states have call predecessors, (39224), 30630 states have call successors, (39224) [2022-11-22 01:38:44,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92917 states to 92917 states and 141234 transitions. [2022-11-22 01:38:44,478 INFO L78 Accepts]: Start accepts. Automaton has 92917 states and 141234 transitions. Word has length 85 [2022-11-22 01:38:44,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:38:44,479 INFO L495 AbstractCegarLoop]: Abstraction has 92917 states and 141234 transitions. [2022-11-22 01:38:44,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-22 01:38:44,479 INFO L276 IsEmpty]: Start isEmpty. Operand 92917 states and 141234 transitions. [2022-11-22 01:38:44,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-22 01:38:44,480 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:38:44,481 INFO L195 NwaCegarLoop]: trace histogram [12, 11, 11, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:38:44,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-22 01:38:44,481 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-22 01:38:44,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:38:44,481 INFO L85 PathProgramCache]: Analyzing trace with hash -98845475, now seen corresponding path program 1 times [2022-11-22 01:38:44,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:38:44,482 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338260942] [2022-11-22 01:38:44,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:38:44,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:38:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:38:45,578 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2022-11-22 01:38:45,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:38:45,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338260942] [2022-11-22 01:38:45,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338260942] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:38:45,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:38:45,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 01:38:45,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780693345] [2022-11-22 01:38:45,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:38:45,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 01:38:45,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:38:45,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 01:38:45,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-22 01:38:45,581 INFO L87 Difference]: Start difference. First operand 92917 states and 141234 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-22 01:38:53,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:38:56,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:39:01,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:39:03,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 01:39:04,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []