./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 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P/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_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P --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 --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 00:28:06,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 00:28:06,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 00:28:06,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 00:28:06,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 00:28:06,499 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 00:28:06,501 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 00:28:06,506 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 00:28:06,509 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 00:28:06,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 00:28:06,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 00:28:06,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 00:28:06,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 00:28:06,528 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 00:28:06,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 00:28:06,542 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 00:28:06,543 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 00:28:06,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 00:28:06,547 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 00:28:06,555 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 00:28:06,557 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 00:28:06,559 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 00:28:06,563 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 00:28:06,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 00:28:06,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 00:28:06,578 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 00:28:06,578 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 00:28:06,580 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 00:28:06,580 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 00:28:06,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 00:28:06,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 00:28:06,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 00:28:06,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 00:28:06,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 00:28:06,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 00:28:06,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 00:28:06,587 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 00:28:06,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 00:28:06,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 00:28:06,588 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 00:28:06,589 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 00:28:06,590 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-21 00:28:06,620 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 00:28:06,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 00:28:06,620 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-21 00:28:06,620 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-21 00:28:06,621 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 00:28:06,621 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-21 00:28:06,621 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-21 00:28:06,622 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-21 00:28:06,622 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-21 00:28:06,622 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-21 00:28:06,622 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-21 00:28:06,622 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-21 00:28:06,622 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-21 00:28:06,623 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-21 00:28:06,623 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-21 00:28:06,634 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-21 00:28:06,634 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-21 00:28:06,634 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-21 00:28:06,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 00:28:06,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 00:28:06,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 00:28:06,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 00:28:06,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 00:28:06,638 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 00:28:06,638 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 00:28:06,638 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 00:28:06,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 00:28:06,640 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 00:28:06,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-21 00:28:06,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:28:06,641 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 00:28:06,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 00:28:06,641 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 00:28:06,641 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-21 00:28:06,642 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 00:28:06,642 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 00:28:06,642 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-21 00:28:06,642 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-21 00:28:06,643 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded9a504a1f021ee39d24f2dc9453e9d2f58c18dc67195089c039613b2b61e04 [2021-11-21 00:28:06,969 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 00:28:07,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 00:28:07,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 00:28:07,007 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 00:28:07,008 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 00:28:07,009 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-21 00:28:07,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P/data/728d971d6/4ba2548d080549d7bfbfb09cedcd22d4/FLAGb8ef8eccf [2021-11-21 00:28:08,188 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 00:28:08,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-21 00:28:08,260 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P/data/728d971d6/4ba2548d080549d7bfbfb09cedcd22d4/FLAGb8ef8eccf [2021-11-21 00:28:08,412 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P/data/728d971d6/4ba2548d080549d7bfbfb09cedcd22d4 [2021-11-21 00:28:08,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 00:28:08,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 00:28:08,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 00:28:08,421 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 00:28:08,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 00:28:08,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:28:08" (1/1) ... [2021-11-21 00:28:08,427 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a09fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:08, skipping insertion in model container [2021-11-21 00:28:08,427 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 12:28:08" (1/1) ... [2021-11-21 00:28:08,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 00:28:08,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 00:28:17,147 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694098,694111] [2021-11-21 00:28:17,149 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694267,694280] [2021-11-21 00:28:17,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694434,694447] [2021-11-21 00:28:17,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694602,694615] [2021-11-21 00:28:17,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:28:17,277 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 00:28:18,117 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694098,694111] [2021-11-21 00:28:18,119 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694267,694280] [2021-11-21 00:28:18,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694434,694447] [2021-11-21 00:28:18,120 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694602,694615] [2021-11-21 00:28:18,135 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 00:28:18,577 INFO L208 MainTranslator]: Completed translation [2021-11-21 00:28:18,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:18 WrapperNode [2021-11-21 00:28:18,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 00:28:18,578 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 00:28:18,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 00:28:18,579 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 00:28:18,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:18" (1/1) ... [2021-11-21 00:28:18,824 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:18" (1/1) ... [2021-11-21 00:28:19,465 INFO L137 Inliner]: procedures = 831, calls = 8638, calls flagged for inlining = 381, calls inlined = 326, statements flattened = 16683 [2021-11-21 00:28:19,466 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 00:28:19,468 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 00:28:19,468 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 00:28:19,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 00:28:19,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:18" (1/1) ... [2021-11-21 00:28:19,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:18" (1/1) ... [2021-11-21 00:28:19,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:18" (1/1) ... [2021-11-21 00:28:19,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:18" (1/1) ... [2021-11-21 00:28:20,151 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:18" (1/1) ... [2021-11-21 00:28:20,230 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:18" (1/1) ... [2021-11-21 00:28:20,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:18" (1/1) ... [2021-11-21 00:28:20,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 00:28:20,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 00:28:20,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 00:28:20,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 00:28:20,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:18" (1/1) ... [2021-11-21 00:28:20,557 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-21 00:28:20,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P/z3 [2021-11-21 00:28:20,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-21 00:28:20,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5956f61b-f837-4415-babd-c7e1926dc029/bin/utaipan-TEXQjIfE4P/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-21 00:28:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-21 00:28:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-21 00:28:20,637 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-21 00:28:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-21 00:28:20,637 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-21 00:28:20,637 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-21 00:28:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-21 00:28:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-21 00:28:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-21 00:28:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-21 00:28:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-21 00:28:20,638 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-21 00:28:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_116 [2021-11-21 00:28:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_116 [2021-11-21 00:28:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:28:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-21 00:28:20,639 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-21 00:28:20,639 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-21 00:28:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-21 00:28:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-21 00:28:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-21 00:28:20,640 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-21 00:28:20,640 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-21 00:28:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-21 00:28:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-21 00:28:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-21 00:28:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-21 00:28:20,641 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-21 00:28:20,641 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-21 00:28:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-21 00:28:20,642 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-21 00:28:20,642 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-21 00:28:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-21 00:28:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-21 00:28:20,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-21 00:28:20,643 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-21 00:28:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-21 00:28:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-21 00:28:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-21 00:28:20,644 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-21 00:28:20,644 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-21 00:28:20,645 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-21 00:28:20,645 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-21 00:28:20,646 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-21 00:28:20,646 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-21 00:28:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-21 00:28:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-21 00:28:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-21 00:28:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-21 00:28:20,647 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-21 00:28:20,647 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-21 00:28:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-21 00:28:20,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-21 00:28:20,648 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-21 00:28:20,649 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-21 00:28:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-21 00:28:20,649 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-21 00:28:20,649 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-21 00:28:20,649 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-21 00:28:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 00:28:20,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 00:28:20,650 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-21 00:28:20,650 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-21 00:28:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 00:28:20,651 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-21 00:28:20,651 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-21 00:28:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-11-21 00:28:20,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-11-21 00:28:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-21 00:28:20,652 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-21 00:28:20,652 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-21 00:28:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-21 00:28:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-21 00:28:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-21 00:28:20,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-21 00:28:20,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-21 00:28:20,654 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-21 00:28:20,654 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-21 00:28:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-21 00:28:20,655 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-21 00:28:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-21 00:28:20,655 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-21 00:28:20,655 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-21 00:28:20,656 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-21 00:28:20,656 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-21 00:28:20,656 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-21 00:28:20,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-21 00:28:20,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-21 00:28:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-21 00:28:20,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-21 00:28:20,658 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-21 00:28:20,659 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-21 00:28:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-21 00:28:20,659 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-21 00:28:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-21 00:28:20,659 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-21 00:28:20,659 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-21 00:28:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-21 00:28:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-21 00:28:20,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-21 00:28:20,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 00:28:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-21 00:28:20,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-21 00:28:20,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-21 00:28:20,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-21 00:28:20,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 00:28:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-11-21 00:28:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-11-21 00:28:20,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 00:28:20,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 00:28:20,666 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 00:28:20,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 00:28:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 00:28:20,667 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-21 00:28:20,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-21 00:28:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-21 00:28:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-21 00:28:20,674 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-21 00:28:20,674 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-21 00:28:20,675 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-21 00:28:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-21 00:28:20,675 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-21 00:28:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-21 00:28:20,675 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-21 00:28:20,675 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 00:28:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-21 00:28:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-21 00:28:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-21 00:28:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-21 00:28:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-21 00:28:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-21 00:28:20,676 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-21 00:28:20,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-21 00:28:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-21 00:28:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-21 00:28:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-21 00:28:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-21 00:28:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-21 00:28:20,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-21 00:28:20,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-21 00:28:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-21 00:28:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-21 00:28:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-21 00:28:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-21 00:28:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-21 00:28:20,678 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-21 00:28:20,678 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-21 00:28:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-21 00:28:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 00:28:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 00:28:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-21 00:28:20,679 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-21 00:28:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 00:28:20,679 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 00:28:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-21 00:28:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-21 00:28:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-21 00:28:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-21 00:28:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-21 00:28:20,680 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-21 00:28:20,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-21 00:28:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-21 00:28:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-21 00:28:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-21 00:28:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-21 00:28:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-21 00:28:20,681 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-21 00:28:20,681 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-21 00:28:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-21 00:28:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-21 00:28:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-21 00:28:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-21 00:28:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 00:28:20,682 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 00:28:20,682 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-21 00:28:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-21 00:28:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-21 00:28:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-21 00:28:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-21 00:28:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-21 00:28:20,683 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-21 00:28:20,683 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-21 00:28:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-21 00:28:20,684 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-21 00:28:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-21 00:28:20,684 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-21 00:28:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 00:28:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-21 00:28:20,684 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-21 00:28:20,684 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-21 00:28:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-21 00:28:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 00:28:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-21 00:28:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-21 00:28:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-21 00:28:20,685 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-21 00:28:20,685 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-21 00:28:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-21 00:28:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-21 00:28:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-21 00:28:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-21 00:28:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-21 00:28:20,686 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-21 00:28:20,686 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-21 00:28:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-11-21 00:28:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-11-21 00:28:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-21 00:28:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-21 00:28:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-21 00:28:20,687 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-21 00:28:20,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-21 00:28:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-21 00:28:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-21 00:28:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-21 00:28:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-21 00:28:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-21 00:28:20,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_85 [2021-11-21 00:28:20,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_85 [2021-11-21 00:28:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-21 00:28:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-21 00:28:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-21 00:28:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-21 00:28:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-21 00:28:20,689 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-21 00:28:20,689 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2021-11-21 00:28:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2021-11-21 00:28:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-21 00:28:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-21 00:28:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2021-11-21 00:28:20,690 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2021-11-21 00:28:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 00:28:20,690 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-21 00:28:20,691 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-21 00:28:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-21 00:28:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-21 00:28:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-11-21 00:28:20,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-11-21 00:28:20,695 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-21 00:28:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-21 00:28:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-21 00:28:20,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-21 00:28:20,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_99 [2021-11-21 00:28:20,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_99 [2021-11-21 00:28:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-21 00:28:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-21 00:28:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-21 00:28:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-21 00:28:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-21 00:28:20,698 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-21 00:28:20,698 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-21 00:28:20,699 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-21 00:28:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-21 00:28:20,699 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-21 00:28:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-21 00:28:20,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-21 00:28:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-21 00:28:20,699 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-21 00:28:20,699 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-21 00:28:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-21 00:28:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-21 00:28:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-21 00:28:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-21 00:28:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-21 00:28:20,700 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-21 00:28:20,700 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-21 00:28:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-21 00:28:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-21 00:28:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-21 00:28:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-21 00:28:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-21 00:28:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-21 00:28:20,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-21 00:28:20,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-21 00:28:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-21 00:28:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-21 00:28:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-21 00:28:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-21 00:28:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-21 00:28:20,702 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-21 00:28:20,702 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-21 00:28:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-21 00:28:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-21 00:28:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-21 00:28:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 00:28:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 00:28:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-21 00:28:20,703 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-21 00:28:20,703 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-21 00:28:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-21 00:28:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-21 00:28:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-21 00:28:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-21 00:28:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-21 00:28:20,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2021-11-21 00:28:20,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2021-11-21 00:28:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-21 00:28:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-21 00:28:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-21 00:28:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-21 00:28:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-21 00:28:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-21 00:28:20,705 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-21 00:28:20,705 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-21 00:28:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-21 00:28:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-21 00:28:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-11-21 00:28:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-11-21 00:28:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-21 00:28:20,706 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-21 00:28:20,706 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-21 00:28:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-21 00:28:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-21 00:28:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-21 00:28:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 00:28:20,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 00:28:20,707 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-21 00:28:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-21 00:28:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-21 00:28:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-21 00:28:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 00:28:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 00:28:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-11-21 00:28:20,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-11-21 00:28:20,708 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-21 00:28:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-21 00:28:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 00:28:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-21 00:28:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-21 00:28:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-21 00:28:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-21 00:28:20,709 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-21 00:28:20,709 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-21 00:28:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-21 00:28:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-21 00:28:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-21 00:28:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-21 00:28:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 00:28:20,710 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-21 00:28:20,710 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-21 00:28:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-21 00:28:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-21 00:28:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-21 00:28:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-21 00:28:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 00:28:20,711 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-21 00:28:20,711 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-21 00:28:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-21 00:28:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-21 00:28:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-21 00:28:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-21 00:28:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-21 00:28:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-21 00:28:20,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2021-11-21 00:28:20,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2021-11-21 00:28:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 00:28:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 00:28:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-21 00:28:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-21 00:28:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_86 [2021-11-21 00:28:20,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_86 [2021-11-21 00:28:20,713 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-21 00:28:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-21 00:28:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-21 00:28:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-21 00:28:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-21 00:28:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-21 00:28:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-21 00:28:20,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-21 00:28:20,714 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_self_test [2021-11-21 00:28:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_self_test [2021-11-21 00:28:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-21 00:28:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-21 00:28:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-21 00:28:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-21 00:28:20,715 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-21 00:28:20,715 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-21 00:28:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-21 00:28:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-21 00:28:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-21 00:28:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-21 00:28:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_timer [2021-11-21 00:28:20,716 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_timer [2021-11-21 00:28:20,716 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-21 00:28:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-21 00:28:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-21 00:28:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-21 00:28:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-21 00:28:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-21 00:28:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-21 00:28:20,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-21 00:28:20,717 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:28:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-21 00:28:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:28:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 00:28:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-21 00:28:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-21 00:28:20,718 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-21 00:28:20,718 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-21 00:28:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-21 00:28:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-21 00:28:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-21 00:28:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-21 00:28:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-21 00:28:20,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-21 00:28:20,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-21 00:28:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-21 00:28:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-21 00:28:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-21 00:28:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-21 00:28:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-21 00:28:20,720 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-21 00:28:20,720 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-21 00:28:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-21 00:28:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-21 00:28:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-21 00:28:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-21 00:28:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-21 00:28:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-21 00:28:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-21 00:28:20,721 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-21 00:28:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-21 00:28:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-21 00:28:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-21 00:28:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-21 00:28:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-21 00:28:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-21 00:28:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-21 00:28:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-21 00:28:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-21 00:28:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-21 00:28:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 00:28:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 00:28:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 00:28:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-21 00:28:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-21 00:28:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:28:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-21 00:28:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-21 00:28:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-21 00:28:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-21 00:28:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-21 00:28:20,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-11-21 00:28:20,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-11-21 00:28:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-21 00:28:20,725 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-21 00:28:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-21 00:28:20,725 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-21 00:28:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-21 00:28:20,725 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-21 00:28:20,725 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-21 00:28:20,726 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-21 00:28:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-21 00:28:20,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-21 00:28:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-21 00:28:20,726 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-21 00:28:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-21 00:28:20,726 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-21 00:28:20,726 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-21 00:28:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-21 00:28:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-21 00:28:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-21 00:28:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-21 00:28:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-21 00:28:20,727 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-21 00:28:20,727 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-21 00:28:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-21 00:28:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-21 00:28:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-21 00:28:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-21 00:28:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-21 00:28:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-21 00:28:20,728 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-21 00:28:20,728 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-21 00:28:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-21 00:28:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-21 00:28:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 00:28:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-21 00:28:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-21 00:28:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-21 00:28:20,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-21 00:28:20,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-21 00:28:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-21 00:28:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-21 00:28:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-21 00:28:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-21 00:28:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-21 00:28:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_139 [2021-11-21 00:28:20,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_139 [2021-11-21 00:28:20,730 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-21 00:28:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-21 00:28:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-21 00:28:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-21 00:28:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-21 00:28:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-21 00:28:20,731 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-21 00:28:20,731 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-21 00:28:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 00:28:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 00:28:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-21 00:28:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-21 00:28:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-21 00:28:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-21 00:28:20,732 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-21 00:28:20,732 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-21 00:28:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-21 00:28:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-21 00:28:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-21 00:28:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-21 00:28:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-21 00:28:20,733 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-21 00:28:20,733 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-21 00:28:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-21 00:28:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-21 00:28:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-21 00:28:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-21 00:28:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-21 00:28:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-21 00:28:20,734 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-21 00:28:20,734 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-21 00:28:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-21 00:28:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-21 00:28:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-21 00:28:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-21 00:28:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-21 00:28:20,735 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-21 00:28:20,735 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-21 00:28:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-21 00:28:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-21 00:28:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-21 00:28:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-21 00:28:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_98 [2021-11-21 00:28:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_98 [2021-11-21 00:28:20,736 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-21 00:28:20,736 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-21 00:28:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-21 00:28:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-21 00:28:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-21 00:28:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-21 00:28:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-21 00:28:20,737 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-21 00:28:20,737 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-21 00:28:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-21 00:28:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-21 00:28:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-21 00:28:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 00:28:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 00:28:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-21 00:28:20,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-21 00:28:20,738 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-21 00:28:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-21 00:28:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-21 00:28:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-21 00:28:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:28:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-21 00:28:20,739 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-21 00:28:20,739 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-21 00:28:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 00:28:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-21 00:28:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-21 00:28:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-21 00:28:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-21 00:28:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2021-11-21 00:28:20,740 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2021-11-21 00:28:20,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-21 00:28:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-21 00:28:20,741 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-21 00:28:20,741 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-21 00:28:22,497 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 00:28:22,504 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 00:28:22,912 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 00:30:59,364 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 00:31:09,140 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 00:31:09,140 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-21 00:31:09,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:31:09 BoogieIcfgContainer [2021-11-21 00:31:09,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 00:31:09,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-21 00:31:09,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-21 00:31:09,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-21 00:31:09,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 12:28:08" (1/3) ... [2021-11-21 00:31:09,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13bebe08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:31:09, skipping insertion in model container [2021-11-21 00:31:09,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 12:28:18" (2/3) ... [2021-11-21 00:31:09,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13bebe08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 12:31:09, skipping insertion in model container [2021-11-21 00:31:09,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 12:31:09" (3/3) ... [2021-11-21 00:31:09,161 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-21 00:31:09,167 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-21 00:31:09,167 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-21 00:31:09,247 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-21 00:31:09,256 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-21 00:31:09,256 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-21 00:31:09,380 INFO L276 IsEmpty]: Start isEmpty. Operand has 4541 states, 2700 states have (on average 1.2837037037037038) internal successors, (3466), 2798 states have internal predecessors, (3466), 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) [2021-11-21 00:31:09,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 00:31:09,387 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:31:09,388 INFO L514 BasicCegarLoop]: 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] [2021-11-21 00:31:09,389 INFO L402 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)] === [2021-11-21 00:31:09,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:31:09,395 INFO L85 PathProgramCache]: Analyzing trace with hash -774035568, now seen corresponding path program 1 times [2021-11-21 00:31:09,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:31:09,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015329719] [2021-11-21 00:31:09,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:31:09,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:31:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:31:10,539 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 00:31:10,539 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:31:10,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015329719] [2021-11-21 00:31:10,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015329719] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:31:10,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:31:10,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:31:10,543 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817529133] [2021-11-21 00:31:10,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:31:10,548 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:31:10,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:31:10,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:31:10,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:31:10,604 INFO L87 Difference]: Start difference. First operand has 4541 states, 2700 states have (on average 1.2837037037037038) internal successors, (3466), 2798 states have internal predecessors, (3466), 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) [2021-11-21 00:31:16,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:22,188 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:24,413 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:29,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:31,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:33,849 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:35,899 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:44,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:47,089 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:51,580 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:53,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:56,749 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:31:59,016 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:01,168 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:02,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:32:02,674 INFO L93 Difference]: Finished difference Result 13392 states and 20320 transitions. [2021-11-21 00:32:02,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:32:02,677 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 [2021-11-21 00:32:02,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:32:02,957 INFO L225 Difference]: With dead ends: 13392 [2021-11-21 00:32:02,957 INFO L226 Difference]: Without dead ends: 8848 [2021-11-21 00:32:03,020 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:32:03,025 INFO L933 BasicCegarLoop]: 7525 mSDtfsCounter, 6347 mSDsluCounter, 22989 mSDsCounter, 0 mSdLazyCounter, 2694 mSolverCounterSat, 3 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6368 SdHoareTripleChecker+Valid, 28513 SdHoareTripleChecker+Invalid, 2707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2694 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:32:03,026 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6368 Valid, 28513 Invalid, 2707 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2694 Invalid, 10 Unknown, 0 Unchecked, 51.1s Time] [2021-11-21 00:32:03,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8848 states. [2021-11-21 00:32:03,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8848 to 8838. [2021-11-21 00:32:03,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8838 states, 5262 states have (on average 1.2810718358038768) internal successors, (6741), 5447 states have internal predecessors, (6741), 3035 states have call successors, (3035), 541 states have call predecessors, (3035), 538 states have return successors, (3184), 2984 states have call predecessors, (3184), 3029 states have call successors, (3184) [2021-11-21 00:32:03,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8838 states to 8838 states and 12960 transitions. [2021-11-21 00:32:03,980 INFO L78 Accepts]: Start accepts. Automaton has 8838 states and 12960 transitions. Word has length 35 [2021-11-21 00:32:03,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:32:03,981 INFO L470 AbstractCegarLoop]: Abstraction has 8838 states and 12960 transitions. [2021-11-21 00:32:03,983 INFO L471 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) [2021-11-21 00:32:03,983 INFO L276 IsEmpty]: Start isEmpty. Operand 8838 states and 12960 transitions. [2021-11-21 00:32:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 00:32:03,988 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:32:03,988 INFO L514 BasicCegarLoop]: 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] [2021-11-21 00:32:03,989 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-21 00:32:03,989 INFO L402 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)] === [2021-11-21 00:32:03,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:32:03,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1661112856, now seen corresponding path program 1 times [2021-11-21 00:32:03,993 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:32:03,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067761814] [2021-11-21 00:32:03,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:03,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:32:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:32:04,950 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 00:32:04,950 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:32:04,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067761814] [2021-11-21 00:32:04,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067761814] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:32:04,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:32:04,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:32:04,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11077667] [2021-11-21 00:32:04,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:32:04,953 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:32:04,953 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:32:04,953 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:32:04,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:32:04,954 INFO L87 Difference]: Start difference. First operand 8838 states and 12960 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) [2021-11-21 00:32:11,076 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:12,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:16,048 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:20,155 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:21,399 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:23,178 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:28,547 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:30,900 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:33,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:37,867 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:45,171 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:47,506 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:49,991 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:52,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:54,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:32:56,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:32:56,047 INFO L93 Difference]: Finished difference Result 16315 states and 23805 transitions. [2021-11-21 00:32:56,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:32:56,048 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 [2021-11-21 00:32:56,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:32:56,233 INFO L225 Difference]: With dead ends: 16315 [2021-11-21 00:32:56,234 INFO L226 Difference]: Without dead ends: 16313 [2021-11-21 00:32:56,248 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:32:56,249 INFO L933 BasicCegarLoop]: 7274 mSDtfsCounter, 6241 mSDsluCounter, 21547 mSDsCounter, 0 mSdLazyCounter, 2638 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6266 SdHoareTripleChecker+Valid, 26884 SdHoareTripleChecker+Invalid, 2647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2638 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:32:56,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6266 Valid, 26884 Invalid, 2647 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2638 Invalid, 8 Unknown, 0 Unchecked, 50.2s Time] [2021-11-21 00:32:56,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16313 states. [2021-11-21 00:32:57,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16313 to 16306. [2021-11-21 00:32:57,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16306 states, 9758 states have (on average 1.2821274851403976) internal successors, (12511), 10092 states have internal predecessors, (12511), 5524 states have call successors, (5524), 1027 states have call predecessors, (5524), 1021 states have return successors, (5762), 5433 states have call predecessors, (5762), 5518 states have call successors, (5762) [2021-11-21 00:32:57,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16306 states to 16306 states and 23797 transitions. [2021-11-21 00:32:57,722 INFO L78 Accepts]: Start accepts. Automaton has 16306 states and 23797 transitions. Word has length 40 [2021-11-21 00:32:57,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:32:57,722 INFO L470 AbstractCegarLoop]: Abstraction has 16306 states and 23797 transitions. [2021-11-21 00:32:57,723 INFO L471 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) [2021-11-21 00:32:57,723 INFO L276 IsEmpty]: Start isEmpty. Operand 16306 states and 23797 transitions. [2021-11-21 00:32:57,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 00:32:57,737 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:32:57,738 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-21 00:32:57,738 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-21 00:32:57,739 INFO L402 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)] === [2021-11-21 00:32:57,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:32:57,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1965058992, now seen corresponding path program 1 times [2021-11-21 00:32:57,740 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:32:57,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362608139] [2021-11-21 00:32:57,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:32:57,741 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:32:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:32:58,428 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 00:32:58,429 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:32:58,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362608139] [2021-11-21 00:32:58,429 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362608139] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:32:58,429 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:32:58,429 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:32:58,429 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763024246] [2021-11-21 00:32:58,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:32:58,430 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:32:58,430 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:32:58,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:32:58,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:32:58,431 INFO L87 Difference]: Start difference. First operand 16306 states and 23797 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, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-21 00:33:04,942 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:07,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:10,063 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:13,474 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:14,584 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:15,703 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:17,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:22,739 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:25,084 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:29,283 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:30,482 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:33,951 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:35,062 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:36,837 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:42,641 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:44,969 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:47,447 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:49,776 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:51,909 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:33:53,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:33:53,328 INFO L93 Difference]: Finished difference Result 16323 states and 23811 transitions. [2021-11-21 00:33:53,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:33:53,328 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, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 45 [2021-11-21 00:33:53,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:33:53,439 INFO L225 Difference]: With dead ends: 16323 [2021-11-21 00:33:53,439 INFO L226 Difference]: Without dead ends: 16321 [2021-11-21 00:33:53,454 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:33:53,455 INFO L933 BasicCegarLoop]: 7274 mSDtfsCounter, 6241 mSDsluCounter, 21547 mSDsCounter, 0 mSdLazyCounter, 2635 mSolverCounterSat, 1 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6265 SdHoareTripleChecker+Valid, 26884 SdHoareTripleChecker+Invalid, 2647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2635 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.1s IncrementalHoareTripleChecker+Time [2021-11-21 00:33:53,456 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6265 Valid, 26884 Invalid, 2647 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2635 Invalid, 11 Unknown, 0 Unchecked, 54.1s Time] [2021-11-21 00:33:53,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16321 states. [2021-11-21 00:33:54,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16321 to 16314. [2021-11-21 00:33:54,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16314 states, 9764 states have (on average 1.2819541171650963) internal successors, (12517), 10098 states have internal predecessors, (12517), 5524 states have call successors, (5524), 1029 states have call predecessors, (5524), 1023 states have return successors, (5762), 5433 states have call predecessors, (5762), 5518 states have call successors, (5762) [2021-11-21 00:33:54,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16314 states to 16314 states and 23803 transitions. [2021-11-21 00:33:54,838 INFO L78 Accepts]: Start accepts. Automaton has 16314 states and 23803 transitions. Word has length 45 [2021-11-21 00:33:54,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:33:54,839 INFO L470 AbstractCegarLoop]: Abstraction has 16314 states and 23803 transitions. [2021-11-21 00:33:54,840 INFO L471 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, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2021-11-21 00:33:54,840 INFO L276 IsEmpty]: Start isEmpty. Operand 16314 states and 23803 transitions. [2021-11-21 00:33:54,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 00:33:54,842 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:33:54,842 INFO L514 BasicCegarLoop]: 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] [2021-11-21 00:33:54,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-21 00:33:54,842 INFO L402 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)] === [2021-11-21 00:33:54,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:33:54,843 INFO L85 PathProgramCache]: Analyzing trace with hash -2086378184, now seen corresponding path program 1 times [2021-11-21 00:33:54,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:33:54,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014779642] [2021-11-21 00:33:54,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:33:54,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:33:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:33:55,492 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-21 00:33:55,493 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:33:55,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014779642] [2021-11-21 00:33:55,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014779642] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:33:55,493 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:33:55,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:33:55,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498784567] [2021-11-21 00:33:55,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:33:55,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:33:55,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:33:55,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:33:55,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:33:55,495 INFO L87 Difference]: Start difference. First operand 16314 states and 23803 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) [2021-11-21 00:34:01,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:05,003 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:07,284 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:11,683 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:13,919 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:17,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:20,975 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:23,653 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:24,977 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:26,464 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:28,223 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:31,796 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:40,029 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:42,372 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:44,872 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:47,221 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:49,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:34:50,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:34:50,851 INFO L93 Difference]: Finished difference Result 16331 states and 23817 transitions. [2021-11-21 00:34:50,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:34:50,852 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 [2021-11-21 00:34:50,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:34:50,949 INFO L225 Difference]: With dead ends: 16331 [2021-11-21 00:34:50,949 INFO L226 Difference]: Without dead ends: 16329 [2021-11-21 00:34:50,964 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:34:50,965 INFO L933 BasicCegarLoop]: 7269 mSDtfsCounter, 6237 mSDsluCounter, 21536 mSDsCounter, 0 mSdLazyCounter, 2635 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 52.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6260 SdHoareTripleChecker+Valid, 26869 SdHoareTripleChecker+Invalid, 2645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2635 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.6s IncrementalHoareTripleChecker+Time [2021-11-21 00:34:50,966 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6260 Valid, 26869 Invalid, 2645 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2635 Invalid, 9 Unknown, 0 Unchecked, 54.6s Time] [2021-11-21 00:34:50,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16329 states. [2021-11-21 00:34:52,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16329 to 16322. [2021-11-21 00:34:52,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16322 states, 9770 states have (on average 1.2817809621289662) internal successors, (12523), 10104 states have internal predecessors, (12523), 5524 states have call successors, (5524), 1031 states have call predecessors, (5524), 1025 states have return successors, (5762), 5433 states have call predecessors, (5762), 5518 states have call successors, (5762) [2021-11-21 00:34:52,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16322 states to 16322 states and 23809 transitions. [2021-11-21 00:34:52,215 INFO L78 Accepts]: Start accepts. Automaton has 16322 states and 23809 transitions. Word has length 56 [2021-11-21 00:34:52,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:34:52,215 INFO L470 AbstractCegarLoop]: Abstraction has 16322 states and 23809 transitions. [2021-11-21 00:34:52,216 INFO L471 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) [2021-11-21 00:34:52,216 INFO L276 IsEmpty]: Start isEmpty. Operand 16322 states and 23809 transitions. [2021-11-21 00:34:52,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-11-21 00:34:52,218 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:34:52,219 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 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] [2021-11-21 00:34:52,219 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-21 00:34:52,220 INFO L402 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)] === [2021-11-21 00:34:52,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:34:52,220 INFO L85 PathProgramCache]: Analyzing trace with hash -331422544, now seen corresponding path program 1 times [2021-11-21 00:34:52,220 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:34:52,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243582226] [2021-11-21 00:34:52,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:34:52,221 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:34:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:34:52,987 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-11-21 00:34:52,987 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:34:52,987 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243582226] [2021-11-21 00:34:52,988 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243582226] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:34:52,988 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:34:52,988 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:34:52,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805372892] [2021-11-21 00:34:52,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:34:52,989 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:34:52,989 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:34:52,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:34:52,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:34:52,989 INFO L87 Difference]: Start difference. First operand 16322 states and 23809 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, (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) [2021-11-21 00:34:59,859 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:03,844 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:14,824 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:17,829 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:24,886 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:32,360 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:34,555 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:36,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:39,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:41,384 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:42,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:35:42,690 INFO L93 Difference]: Finished difference Result 22292 states and 32714 transitions. [2021-11-21 00:35:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-21 00:35:42,691 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, (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 61 [2021-11-21 00:35:42,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:35:42,818 INFO L225 Difference]: With dead ends: 22292 [2021-11-21 00:35:42,818 INFO L226 Difference]: Without dead ends: 22290 [2021-11-21 00:35:42,835 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:35:42,836 INFO L933 BasicCegarLoop]: 7198 mSDtfsCounter, 6553 mSDsluCounter, 20257 mSDsCounter, 0 mSdLazyCounter, 2657 mSolverCounterSat, 3 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6564 SdHoareTripleChecker+Valid, 25526 SdHoareTripleChecker+Invalid, 2668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2657 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:35:42,837 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6564 Valid, 25526 Invalid, 2668 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3 Valid, 2657 Invalid, 8 Unknown, 0 Unchecked, 48.8s Time] [2021-11-21 00:35:42,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22290 states. [2021-11-21 00:35:44,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22290 to 22278. [2021-11-21 00:35:44,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22278 states, 13299 states have (on average 1.2825776374163471) internal successors, (17057), 13807 states have internal predecessors, (17057), 7453 states have call successors, (7453), 1584 states have call predecessors, (7453), 1523 states have return successors, (8192), 7219 states have call predecessors, (8192), 7444 states have call successors, (8192) [2021-11-21 00:35:44,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22278 states to 22278 states and 32702 transitions. [2021-11-21 00:35:44,342 INFO L78 Accepts]: Start accepts. Automaton has 22278 states and 32702 transitions. Word has length 61 [2021-11-21 00:35:44,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:35:44,343 INFO L470 AbstractCegarLoop]: Abstraction has 22278 states and 32702 transitions. [2021-11-21 00:35:44,343 INFO L471 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, (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) [2021-11-21 00:35:44,344 INFO L276 IsEmpty]: Start isEmpty. Operand 22278 states and 32702 transitions. [2021-11-21 00:35:44,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-21 00:35:44,346 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:35:44,347 INFO L514 BasicCegarLoop]: 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] [2021-11-21 00:35:44,347 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-21 00:35:44,347 INFO L402 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)] === [2021-11-21 00:35:44,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:35:44,348 INFO L85 PathProgramCache]: Analyzing trace with hash 966084504, now seen corresponding path program 1 times [2021-11-21 00:35:44,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:35:44,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901591669] [2021-11-21 00:35:44,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:35:44,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:35:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:35:44,892 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-21 00:35:44,892 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:35:44,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901591669] [2021-11-21 00:35:44,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901591669] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:35:44,893 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:35:44,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:35:44,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039061178] [2021-11-21 00:35:44,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:35:44,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:35:44,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:35:44,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:35:44,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:35:44,894 INFO L87 Difference]: Start difference. First operand 22278 states and 32702 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) [2021-11-21 00:35:51,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:53,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:55,443 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:35:58,419 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:01,453 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:02,506 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:04,114 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:10,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:14,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:16,238 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:18,269 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:20,331 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:21,693 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:27,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:35,251 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:37,313 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:39,502 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:41,825 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:44,195 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:46,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:48,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:36:51,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:36:51,035 INFO L93 Difference]: Finished difference Result 32474 states and 47527 transitions. [2021-11-21 00:36:51,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:36:51,036 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 [2021-11-21 00:36:51,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:36:51,180 INFO L225 Difference]: With dead ends: 32474 [2021-11-21 00:36:51,181 INFO L226 Difference]: Without dead ends: 32472 [2021-11-21 00:36:51,196 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:36:51,197 INFO L933 BasicCegarLoop]: 7540 mSDtfsCounter, 6258 mSDsluCounter, 22197 mSDsCounter, 0 mSdLazyCounter, 2807 mSolverCounterSat, 1 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6275 SdHoareTripleChecker+Valid, 27682 SdHoareTripleChecker+Invalid, 2820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2807 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 64.9s IncrementalHoareTripleChecker+Time [2021-11-21 00:36:51,197 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6275 Valid, 27682 Invalid, 2820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2807 Invalid, 12 Unknown, 0 Unchecked, 64.9s Time] [2021-11-21 00:36:51,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32472 states. [2021-11-21 00:36:52,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32472 to 32466. [2021-11-21 00:36:53,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32466 states, 19415 states have (on average 1.2832346124130827) internal successors, (24914), 20149 states have internal predecessors, (24914), 10806 states have call successors, (10806), 2329 states have call predecessors, (10806), 2242 states have return successors, (11799), 10473 states have call predecessors, (11799), 10797 states have call successors, (11799) [2021-11-21 00:36:53,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32466 states to 32466 states and 47519 transitions. [2021-11-21 00:36:53,327 INFO L78 Accepts]: Start accepts. Automaton has 32466 states and 47519 transitions. Word has length 60 [2021-11-21 00:36:53,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:36:53,328 INFO L470 AbstractCegarLoop]: Abstraction has 32466 states and 47519 transitions. [2021-11-21 00:36:53,329 INFO L471 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) [2021-11-21 00:36:53,329 INFO L276 IsEmpty]: Start isEmpty. Operand 32466 states and 47519 transitions. [2021-11-21 00:36:53,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2021-11-21 00:36:53,331 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:36:53,331 INFO L514 BasicCegarLoop]: 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] [2021-11-21 00:36:53,331 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-21 00:36:53,332 INFO L402 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)] === [2021-11-21 00:36:53,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:36:53,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1720530576, now seen corresponding path program 1 times [2021-11-21 00:36:53,333 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:36:53,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146240481] [2021-11-21 00:36:53,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:36:53,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:36:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:36:53,981 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-11-21 00:36:53,982 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:36:53,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2146240481] [2021-11-21 00:36:53,982 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2146240481] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:36:53,982 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:36:53,982 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:36:53,982 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683134649] [2021-11-21 00:36:53,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:36:53,983 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:36:53,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:36:53,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:36:53,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:36:53,984 INFO L87 Difference]: Start difference. First operand 32466 states and 47519 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) [2021-11-21 00:37:00,982 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:04,000 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:05,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:10,101 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:13,266 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:18,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:24,620 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:26,641 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:32,626 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:37,053 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:39,406 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:42,334 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:45,237 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:47,450 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:37:49,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:37:49,773 INFO L93 Difference]: Finished difference Result 42637 states and 62307 transitions. [2021-11-21 00:37:49,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:37:49,774 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 [2021-11-21 00:37:49,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:37:49,967 INFO L225 Difference]: With dead ends: 42637 [2021-11-21 00:37:49,967 INFO L226 Difference]: Without dead ends: 42635 [2021-11-21 00:37:49,985 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:37:49,985 INFO L933 BasicCegarLoop]: 7570 mSDtfsCounter, 6236 mSDsluCounter, 22251 mSDsCounter, 0 mSdLazyCounter, 2804 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6255 SdHoareTripleChecker+Valid, 27772 SdHoareTripleChecker+Invalid, 2815 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2804 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 54.2s IncrementalHoareTripleChecker+Time [2021-11-21 00:37:49,986 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6255 Valid, 27772 Invalid, 2815 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2804 Invalid, 10 Unknown, 0 Unchecked, 54.2s Time] [2021-11-21 00:37:50,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42635 states. [2021-11-21 00:37:52,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42635 to 42625. [2021-11-21 00:37:52,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42625 states, 25518 states have (on average 1.2836821067481778) internal successors, (32757), 26477 states have internal predecessors, (32757), 14149 states have call successors, (14149), 3069 states have call predecessors, (14149), 2955 states have return successors, (15389), 13716 states have call predecessors, (15389), 14140 states have call successors, (15389) [2021-11-21 00:37:53,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42625 states to 42625 states and 62295 transitions. [2021-11-21 00:37:53,071 INFO L78 Accepts]: Start accepts. Automaton has 42625 states and 62295 transitions. Word has length 71 [2021-11-21 00:37:53,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:37:53,072 INFO L470 AbstractCegarLoop]: Abstraction has 42625 states and 62295 transitions. [2021-11-21 00:37:53,072 INFO L471 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) [2021-11-21 00:37:53,073 INFO L276 IsEmpty]: Start isEmpty. Operand 42625 states and 62295 transitions. [2021-11-21 00:37:53,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-21 00:37:53,077 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:37:53,077 INFO L514 BasicCegarLoop]: 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] [2021-11-21 00:37:53,078 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-21 00:37:53,078 INFO L402 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)] === [2021-11-21 00:37:53,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:37:53,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1270196920, now seen corresponding path program 1 times [2021-11-21 00:37:53,080 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:37:53,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658399651] [2021-11-21 00:37:53,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:37:53,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:37:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:37:53,842 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-21 00:37:53,842 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:37:53,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658399651] [2021-11-21 00:37:53,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658399651] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:37:53,842 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:37:53,842 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:37:53,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874994937] [2021-11-21 00:37:53,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:37:53,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:37:53,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:37:53,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:37:53,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:37:53,844 INFO L87 Difference]: Start difference. First operand 42625 states and 62295 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) [2021-11-21 00:38:01,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:03,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:06,614 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:10,518 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:12,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:14,587 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:16,587 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:20,247 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:22,401 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:25,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:31,199 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:32,332 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:33,443 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:37,156 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:44,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:46,462 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:49,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:52,259 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:54,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:38:56,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:38:56,614 INFO L93 Difference]: Finished difference Result 42652 states and 62316 transitions. [2021-11-21 00:38:56,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:38:56,615 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 [2021-11-21 00:38:56,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:38:56,906 INFO L225 Difference]: With dead ends: 42652 [2021-11-21 00:38:56,907 INFO L226 Difference]: Without dead ends: 42650 [2021-11-21 00:38:56,923 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:38:56,923 INFO L933 BasicCegarLoop]: 7570 mSDtfsCounter, 6238 mSDsluCounter, 22258 mSDsCounter, 0 mSdLazyCounter, 2813 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 58.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6255 SdHoareTripleChecker+Valid, 27772 SdHoareTripleChecker+Invalid, 2823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2813 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 61.3s IncrementalHoareTripleChecker+Time [2021-11-21 00:38:56,924 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6255 Valid, 27772 Invalid, 2823 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2813 Invalid, 9 Unknown, 0 Unchecked, 61.3s Time] [2021-11-21 00:38:56,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42650 states. [2021-11-21 00:38:58,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42650 to 42643. [2021-11-21 00:38:59,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42643 states, 25530 states have (on average 1.2835487661574618) internal successors, (32769), 26489 states have internal predecessors, (32769), 14149 states have call successors, (14149), 3075 states have call predecessors, (14149), 2961 states have return successors, (15389), 13716 states have call predecessors, (15389), 14140 states have call successors, (15389) [2021-11-21 00:38:59,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42643 states to 42643 states and 62307 transitions. [2021-11-21 00:38:59,502 INFO L78 Accepts]: Start accepts. Automaton has 42643 states and 62307 transitions. Word has length 76 [2021-11-21 00:38:59,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:38:59,502 INFO L470 AbstractCegarLoop]: Abstraction has 42643 states and 62307 transitions. [2021-11-21 00:38:59,503 INFO L471 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) [2021-11-21 00:38:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 42643 states and 62307 transitions. [2021-11-21 00:38:59,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-11-21 00:38:59,505 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:38:59,505 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 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] [2021-11-21 00:38:59,506 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-21 00:38:59,506 INFO L402 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)] === [2021-11-21 00:38:59,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:38:59,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1284810096, now seen corresponding path program 1 times [2021-11-21 00:38:59,507 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:38:59,507 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820029069] [2021-11-21 00:38:59,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:38:59,508 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:38:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:39:00,641 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2021-11-21 00:39:00,642 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:39:00,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820029069] [2021-11-21 00:39:00,642 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820029069] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:39:00,642 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:39:00,642 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:39:00,642 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773019421] [2021-11-21 00:39:00,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:39:00,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:39:00,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:39:00,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:39:00,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:39:00,644 INFO L87 Difference]: Start difference. First operand 42643 states and 62307 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, (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) [2021-11-21 00:39:08,473 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:15,556 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:17,590 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:19,193 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:22,032 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:24,650 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:29,721 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:34,468 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:37,346 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:41,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:47,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:49,477 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:52,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:55,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:39:57,512 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:00,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:40:00,097 INFO L93 Difference]: Finished difference Result 42664 states and 62325 transitions. [2021-11-21 00:40:00,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:40:00,098 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, (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 75 [2021-11-21 00:40:00,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:40:00,281 INFO L225 Difference]: With dead ends: 42664 [2021-11-21 00:40:00,281 INFO L226 Difference]: Without dead ends: 42662 [2021-11-21 00:40:00,298 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-21 00:40:00,299 INFO L933 BasicCegarLoop]: 7573 mSDtfsCounter, 6241 mSDsluCounter, 22274 mSDsCounter, 0 mSdLazyCounter, 2830 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6259 SdHoareTripleChecker+Valid, 27781 SdHoareTripleChecker+Invalid, 2840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2830 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.8s IncrementalHoareTripleChecker+Time [2021-11-21 00:40:00,299 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6259 Valid, 27781 Invalid, 2840 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2830 Invalid, 9 Unknown, 0 Unchecked, 57.8s Time] [2021-11-21 00:40:00,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42662 states. [2021-11-21 00:40:02,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42662 to 42655. [2021-11-21 00:40:02,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42655 states, 25539 states have (on average 1.2834488429460824) internal successors, (32778), 26498 states have internal predecessors, (32778), 14149 states have call successors, (14149), 3078 states have call predecessors, (14149), 2964 states have return successors, (15389), 13716 states have call predecessors, (15389), 14140 states have call successors, (15389) [2021-11-21 00:40:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42655 states to 42655 states and 62316 transitions. [2021-11-21 00:40:02,994 INFO L78 Accepts]: Start accepts. Automaton has 42655 states and 62316 transitions. Word has length 75 [2021-11-21 00:40:02,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:40:02,995 INFO L470 AbstractCegarLoop]: Abstraction has 42655 states and 62316 transitions. [2021-11-21 00:40:02,995 INFO L471 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, (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) [2021-11-21 00:40:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 42655 states and 62316 transitions. [2021-11-21 00:40:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-21 00:40:02,997 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:02,997 INFO L514 BasicCegarLoop]: 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] [2021-11-21 00:40:02,997 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-21 00:40:02,998 INFO L402 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)] === [2021-11-21 00:40:02,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:02,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1380252952, now seen corresponding path program 1 times [2021-11-21 00:40:02,999 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:02,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339595520] [2021-11-21 00:40:02,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:02,999 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:40:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:40:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-21 00:40:03,543 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:40:03,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339595520] [2021-11-21 00:40:03,543 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339595520] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:40:03,544 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:40:03,544 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:40:03,544 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916423088] [2021-11-21 00:40:03,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:40:03,544 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:40:03,544 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:40:03,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:40:03,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:40:03,545 INFO L87 Difference]: Start difference. First operand 42655 states and 62316 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) [2021-11-21 00:40:11,355 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:19,551 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:26,291 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:30,029 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:31,878 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:35,405 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:45,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:47,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:50,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:52,680 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:54,906 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:40:57,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-21 00:40:57,118 INFO L93 Difference]: Finished difference Result 42676 states and 62334 transitions. [2021-11-21 00:40:57,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-21 00:40:57,123 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 [2021-11-21 00:40:57,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-21 00:40:57,315 INFO L225 Difference]: With dead ends: 42676 [2021-11-21 00:40:57,315 INFO L226 Difference]: Without dead ends: 42674 [2021-11-21 00:40:57,334 INFO L932 BasicCegarLoop]: 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 [2021-11-21 00:40:57,335 INFO L933 BasicCegarLoop]: 7575 mSDtfsCounter, 6239 mSDsluCounter, 22274 mSDsCounter, 0 mSdLazyCounter, 2826 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6257 SdHoareTripleChecker+Valid, 27787 SdHoareTripleChecker+Invalid, 2836 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2826 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.7s IncrementalHoareTripleChecker+Time [2021-11-21 00:40:57,335 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6257 Valid, 27787 Invalid, 2836 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2826 Invalid, 9 Unknown, 0 Unchecked, 51.7s Time] [2021-11-21 00:40:57,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42674 states. [2021-11-21 00:40:59,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42674 to 42667. [2021-11-21 00:40:59,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42667 states, 25548 states have (on average 1.2833489901362143) internal successors, (32787), 26507 states have internal predecessors, (32787), 14149 states have call successors, (14149), 3081 states have call predecessors, (14149), 2967 states have return successors, (15389), 13716 states have call predecessors, (15389), 14140 states have call successors, (15389) [2021-11-21 00:40:59,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42667 states to 42667 states and 62325 transitions. [2021-11-21 00:40:59,825 INFO L78 Accepts]: Start accepts. Automaton has 42667 states and 62325 transitions. Word has length 80 [2021-11-21 00:40:59,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-21 00:40:59,825 INFO L470 AbstractCegarLoop]: Abstraction has 42667 states and 62325 transitions. [2021-11-21 00:40:59,825 INFO L471 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) [2021-11-21 00:40:59,825 INFO L276 IsEmpty]: Start isEmpty. Operand 42667 states and 62325 transitions. [2021-11-21 00:40:59,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-21 00:40:59,827 INFO L506 BasicCegarLoop]: Found error trace [2021-11-21 00:40:59,828 INFO L514 BasicCegarLoop]: 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] [2021-11-21 00:40:59,828 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-21 00:40:59,828 INFO L402 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)] === [2021-11-21 00:40:59,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 00:40:59,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1817233232, now seen corresponding path program 1 times [2021-11-21 00:40:59,829 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-21 00:40:59,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508902231] [2021-11-21 00:40:59,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-21 00:40:59,829 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 00:41:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 00:41:00,678 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-11-21 00:41:00,678 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-21 00:41:00,678 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508902231] [2021-11-21 00:41:00,678 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508902231] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-21 00:41:00,678 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-21 00:41:00,678 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-21 00:41:00,679 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834974287] [2021-11-21 00:41:00,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-21 00:41:00,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-21 00:41:00,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-21 00:41:00,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-21 00:41:00,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-21 00:41:00,680 INFO L87 Difference]: Start difference. First operand 42667 states and 62325 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) [2021-11-21 00:41:07,702 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:41:10,528 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 00:41:17,389 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []