./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7/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_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ded9a504a1f021ee39d24f2dc9453e9d2f58c18dc67195089c039613b2b61e04 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-11-25 17:50:03,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-25 17:50:03,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-25 17:50:03,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-25 17:50:03,610 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-25 17:50:03,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-25 17:50:03,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-25 17:50:03,615 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-25 17:50:03,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-25 17:50:03,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-25 17:50:03,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-25 17:50:03,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-25 17:50:03,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-25 17:50:03,622 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-25 17:50:03,623 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-25 17:50:03,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-25 17:50:03,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-25 17:50:03,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-25 17:50:03,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-25 17:50:03,631 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-25 17:50:03,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-25 17:50:03,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-25 17:50:03,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-25 17:50:03,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-25 17:50:03,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-25 17:50:03,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-25 17:50:03,647 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-25 17:50:03,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-25 17:50:03,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-25 17:50:03,650 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-25 17:50:03,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-25 17:50:03,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-25 17:50:03,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-25 17:50:03,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-25 17:50:03,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-25 17:50:03,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-25 17:50:03,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-25 17:50:03,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-25 17:50:03,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-25 17:50:03,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-25 17:50:03,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-25 17:50:03,669 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7/config/svcomp-Reach-64bit-Taipan_Default.epf [2021-11-25 17:50:03,714 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-25 17:50:03,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-25 17:50:03,715 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-25 17:50:03,715 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-25 17:50:03,716 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-25 17:50:03,716 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-25 17:50:03,716 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-25 17:50:03,717 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-25 17:50:03,717 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-25 17:50:03,717 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-25 17:50:03,718 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-25 17:50:03,718 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-25 17:50:03,719 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-25 17:50:03,719 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-25 17:50:03,719 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-25 17:50:03,719 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-25 17:50:03,719 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-25 17:50:03,720 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2021-11-25 17:50:03,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-25 17:50:03,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-25 17:50:03,721 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-25 17:50:03,721 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-25 17:50:03,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-25 17:50:03,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-25 17:50:03,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-25 17:50:03,721 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-25 17:50:03,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-25 17:50:03,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-25 17:50:03,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-25 17:50:03,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:50:03,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-25 17:50:03,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-25 17:50:03,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-25 17:50:03,723 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-25 17:50:03,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-25 17:50:03,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-25 17:50:03,724 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-25 17:50:03,724 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-25 17:50:03,724 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_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ded9a504a1f021ee39d24f2dc9453e9d2f58c18dc67195089c039613b2b61e04 [2021-11-25 17:50:04,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-25 17:50:04,025 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-25 17:50:04,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-25 17:50:04,030 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-25 17:50:04,030 INFO L275 PluginConnector]: CDTParser initialized [2021-11-25 17:50:04,032 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-25 17:50:04,095 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7/data/4c88536d5/c9e2bed65a804003a9c967231abed2e4/FLAGfddbad92f [2021-11-25 17:50:05,210 INFO L306 CDTParser]: Found 1 translation units. [2021-11-25 17:50:05,211 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-25 17:50:05,310 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7/data/4c88536d5/c9e2bed65a804003a9c967231abed2e4/FLAGfddbad92f [2021-11-25 17:50:05,402 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7/data/4c88536d5/c9e2bed65a804003a9c967231abed2e4 [2021-11-25 17:50:05,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-25 17:50:05,408 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-25 17:50:05,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-25 17:50:05,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-25 17:50:05,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-25 17:50:05,419 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:50:05" (1/1) ... [2021-11-25 17:50:05,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240895b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:05, skipping insertion in model container [2021-11-25 17:50:05,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:50:05" (1/1) ... [2021-11-25 17:50:05,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-25 17:50:05,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-25 17:50:14,201 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694098,694111] [2021-11-25 17:50:14,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694267,694280] [2021-11-25 17:50:14,206 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694434,694447] [2021-11-25 17:50:14,215 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694602,694615] [2021-11-25 17:50:14,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:50:14,459 INFO L203 MainTranslator]: Completed pre-run [2021-11-25 17:50:15,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694098,694111] [2021-11-25 17:50:15,251 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694267,694280] [2021-11-25 17:50:15,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694434,694447] [2021-11-25 17:50:15,252 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i[694602,694615] [2021-11-25 17:50:15,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-25 17:50:15,664 INFO L208 MainTranslator]: Completed translation [2021-11-25 17:50:15,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:15 WrapperNode [2021-11-25 17:50:15,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-25 17:50:15,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-25 17:50:15,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-25 17:50:15,667 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-25 17:50:15,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:15" (1/1) ... [2021-11-25 17:50:15,938 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:15" (1/1) ... [2021-11-25 17:50:16,513 INFO L137 Inliner]: procedures = 831, calls = 8638, calls flagged for inlining = 381, calls inlined = 326, statements flattened = 16683 [2021-11-25 17:50:16,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-25 17:50:16,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-25 17:50:16,516 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-25 17:50:16,516 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-25 17:50:16,526 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:15" (1/1) ... [2021-11-25 17:50:16,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:15" (1/1) ... [2021-11-25 17:50:16,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:15" (1/1) ... [2021-11-25 17:50:16,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:15" (1/1) ... [2021-11-25 17:50:17,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:15" (1/1) ... [2021-11-25 17:50:17,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:15" (1/1) ... [2021-11-25 17:50:17,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:15" (1/1) ... [2021-11-25 17:50:17,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-25 17:50:17,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-25 17:50:17,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-25 17:50:17,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-25 17:50:17,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:15" (1/1) ... [2021-11-25 17:50:17,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-25 17:50:17,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7/z3 [2021-11-25 17:50:17,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-25 17:50:17,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed4c1672-7ae3-4ff5-bc81-fbe37aca7008/bin/utaipan-eEHZpOm5b7/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-25 17:50:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resolve_flow_ctrl [2021-11-25 17:50:17,637 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resolve_flow_ctrl [2021-11-25 17:50:17,637 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2021-11-25 17:50:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2021-11-25 17:50:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-11-25 17:50:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-11-25 17:50:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read_dword [2021-11-25 17:50:17,638 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read_dword [2021-11-25 17:50:17,638 INFO L130 BoogieDeclarations]: Found specification of procedure get_l2_fhdr [2021-11-25 17:50:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure get_l2_fhdr [2021-11-25 17:50:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_stop [2021-11-25 17:50:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_stop [2021-11-25 17:50:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer_116 [2021-11-25 17:50:17,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer_116 [2021-11-25 17:50:17,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 17:50:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2021-11-25 17:50:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rx_context [2021-11-25 17:50:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rx_context [2021-11-25 17:50:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-11-25 17:50:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-11-25 17:50:17,640 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-25 17:50:17,640 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-25 17:50:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_resume [2021-11-25 17:50:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_resume [2021-11-25 17:50:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_pcie_error_reporting [2021-11-25 17:50:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_pcie_error_reporting [2021-11-25 17:50:17,641 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2021-11-25 17:50:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2021-11-25 17:50:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_data [2021-11-25 17:50:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_data [2021-11-25 17:50:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_phy [2021-11-25 17:50:17,642 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_phy [2021-11-25 17:50:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-25 17:50:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-11-25 17:50:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-11-25 17:50:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-25 17:50:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-25 17:50:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_napi [2021-11-25 17:50:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_napi [2021-11-25 17:50:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_read_phy [2021-11-25 17:50:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_read_phy [2021-11-25 17:50:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2021-11-25 17:50:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2021-11-25 17:50:17,644 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-25 17:50:17,644 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-25 17:50:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-25 17:50:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-25 17:50:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-25 17:50:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-25 17:50:17,645 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2021-11-25 17:50:17,645 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2021-11-25 17:50:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure __napi_schedule [2021-11-25 17:50:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __napi_schedule [2021-11-25 17:50:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_mode [2021-11-25 17:50:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_mode [2021-11-25 17:50:17,646 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-11-25 17:50:17,646 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-11-25 17:50:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_wol [2021-11-25 17:50:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_wol [2021-11-25 17:50:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-25 17:50:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-25 17:50:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_nic [2021-11-25 17:50:17,647 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_nic [2021-11-25 17:50:17,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-25 17:50:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2021-11-25 17:50:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2021-11-25 17:50:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-11-25 17:50:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_indirect_lock_of_bnx2 [2021-11-25 17:50:17,648 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_channels [2021-11-25 17:50:17,648 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_channels [2021-11-25 17:50:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure __bnx2_free_irq [2021-11-25 17:50:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __bnx2_free_irq [2021-11-25 17:50:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2021-11-25 17:50:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2021-11-25 17:50:17,649 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-11-25 17:50:17,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-11-25 17:50:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2021-11-25 17:50:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2021-11-25 17:50:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2021-11-25 17:50:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2021-11-25 17:50:17,650 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_open [2021-11-25 17:50:17,650 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_open [2021-11-25 17:50:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_chip [2021-11-25 17:50:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_chip [2021-11-25 17:50:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_settings [2021-11-25 17:50:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_settings [2021-11-25 17:50:17,651 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-11-25 17:50:17,651 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-11-25 17:50:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_lock [2021-11-25 17:50:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_lock [2021-11-25 17:50:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure check_mips_fw_entry [2021-11-25 17:50:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure check_mips_fw_entry [2021-11-25 17:50:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_cnic_start [2021-11-25 17:50:17,652 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_cnic_start [2021-11-25 17:50:17,652 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_rd [2021-11-25 17:50:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_rd [2021-11-25 17:50:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_link [2021-11-25 17:50:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_link [2021-11-25 17:50:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-25 17:50:17,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2021-11-25 17:50:17,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-25 17:50:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2021-11-25 17:50:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2021-11-25 17:50:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2021-11-25 17:50:17,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2021-11-25 17:50:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-25 17:50:17,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-11-25 17:50:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_indirect_lock_of_bnx2 [2021-11-25 17:50:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-25 17:50:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-25 17:50:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-25 17:50:17,655 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-25 17:50:17,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-25 17:50:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-11-25 17:50:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-11-25 17:50:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-25 17:50:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_pauseparam [2021-11-25 17:50:17,656 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_pauseparam [2021-11-25 17:50:17,656 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2021-11-25 17:50:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2021-11-25 17:50:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_one [2021-11-25 17:50:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_one [2021-11-25 17:50:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2021-11-25 17:50:17,657 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2021-11-25 17:50:17,657 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 17:50:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2021-11-25 17:50:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_disable [2021-11-25 17:50:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_disable [2021-11-25 17:50:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remove_one [2021-11-25 17:50:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remove_one [2021-11-25 17:50:17,658 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-11-25 17:50:17,658 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-11-25 17:50:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-11-25 17:50:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-11-25 17:50:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure lock_is_held [2021-11-25 17:50:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_is_held [2021-11-25 17:50:17,659 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_access [2021-11-25 17:50:17,659 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_access [2021-11-25 17:50:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2021-11-25 17:50:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2021-11-25 17:50:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-25 17:50:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-25 17:50:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule_prep [2021-11-25 17:50:17,660 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule_prep [2021-11-25 17:50:17,660 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_run_loopback [2021-11-25 17:50:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_run_loopback [2021-11-25 17:50:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_disable [2021-11-25 17:50:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_disable [2021-11-25 17:50:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-25 17:50:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-25 17:50:17,661 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-25 17:50:17,661 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-25 17:50:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-25 17:50:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 17:50:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2021-11-25 17:50:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2021-11-25 17:50:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2021-11-25 17:50:17,662 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_int [2021-11-25 17:50:17,662 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_int [2021-11-25 17:50:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2021-11-25 17:50:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2021-11-25 17:50:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-25 17:50:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2021-11-25 17:50:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2021-11-25 17:50:17,663 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-25 17:50:17,663 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-25 17:50:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_nvram_access [2021-11-25 17:50:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_nvram_access [2021-11-25 17:50:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_mem [2021-11-25 17:50:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_mem [2021-11-25 17:50:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2021-11-25 17:50:17,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2021-11-25 17:50:17,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-25 17:50:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-25 17:50:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_nvram_lock [2021-11-25 17:50:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_nvram_lock [2021-11-25 17:50:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2021-11-25 17:50:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2021-11-25 17:50:17,665 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2021-11-25 17:50:17,665 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2021-11-25 17:50:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2021-11-25 17:50:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2021-11-25 17:50:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_avail [2021-11-25 17:50:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_avail [2021-11-25 17:50:17,666 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2021-11-25 17:50:17,666 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2021-11-25 17:50:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-25 17:50:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reset_phy [2021-11-25 17:50:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reset_phy [2021-11-25 17:50:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nvram [2021-11-25 17:50:17,667 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nvram [2021-11-25 17:50:17,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-25 17:50:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_remote_link [2021-11-25 17:50:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_remote_link [2021-11-25 17:50:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_io_resume [2021-11-25 17:50:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_io_resume [2021-11-25 17:50:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_write_phy [2021-11-25 17:50:17,668 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_write_phy [2021-11-25 17:50:17,668 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-25 17:50:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-25 17:50:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2021-11-25 17:50:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2021-11-25 17:50:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-11-25 17:50:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-11-25 17:50:17,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-11-25 17:50:17,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_phy_lock_of_bnx2 [2021-11-25 17:50:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_phy_get_pause_adv [2021-11-25 17:50:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_phy_get_pause_adv [2021-11-25 17:50:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_remote_phy_event [2021-11-25 17:50:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_remote_phy_event [2021-11-25 17:50:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2021-11-25 17:50:17,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2021-11-25 17:50:17,670 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-11-25 17:50:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-11-25 17:50:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-25 17:50:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-25 17:50:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_85 [2021-11-25 17:50:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_85 [2021-11-25 17:50:17,671 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-25 17:50:17,671 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-25 17:50:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_cnic_irq_info [2021-11-25 17:50:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_cnic_irq_info [2021-11-25 17:50:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-25 17:50:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-25 17:50:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2021-11-25 17:50:17,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2021-11-25 17:50:17,672 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_suspend [2021-11-25 17:50:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_suspend [2021-11-25 17:50:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mtu [2021-11-25 17:50:17,673 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mtu [2021-11-25 17:50:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-25 17:50:17,673 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_ringparam [2021-11-25 17:50:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_ringparam [2021-11-25 17:50:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-25 17:50:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-25 17:50:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_instance_register_10_2 [2021-11-25 17:50:17,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_instance_register_10_2 [2021-11-25 17:50:17,674 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_send_heart_beat [2021-11-25 17:50:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_send_heart_beat [2021-11-25 17:50:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_eeprom_len [2021-11-25 17:50:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_eeprom_len [2021-11-25 17:50:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_99 [2021-11-25 17:50:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_99 [2021-11-25 17:50:17,675 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-11-25 17:50:17,675 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-11-25 17:50:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_release_firmware [2021-11-25 17:50:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_release_firmware [2021-11-25 17:50:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2021-11-25 17:50:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2021-11-25 17:50:17,676 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_regs_len [2021-11-25 17:50:17,676 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_regs_len [2021-11-25 17:50:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_close [2021-11-25 17:50:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_close [2021-11-25 17:50:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 17:50:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2021-11-25 17:50:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_coalesce [2021-11-25 17:50:17,677 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_coalesce [2021-11-25 17:50:17,677 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2021-11-25 17:50:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2021-11-25 17:50:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-25 17:50:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-25 17:50:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2021-11-25 17:50:17,678 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2021-11-25 17:50:17,678 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_rx_ring_size [2021-11-25 17:50:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_rx_ring_size [2021-11-25 17:50:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-25 17:50:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-25 17:50:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure load_rv2p_fw [2021-11-25 17:50:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure load_rv2p_fw [2021-11-25 17:50:17,679 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_bmsr1 [2021-11-25 17:50:17,679 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_bmsr1 [2021-11-25 17:50:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2021-11-25 17:50:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2021-11-25 17:50:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int [2021-11-25 17:50:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int [2021-11-25 17:50:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2021-11-25 17:50:17,680 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2021-11-25 17:50:17,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-25 17:50:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-25 17:50:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_rxbd_rings [2021-11-25 17:50:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_rxbd_rings [2021-11-25 17:50:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2021-11-25 17:50:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2021-11-25 17:50:17,681 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-25 17:50:17,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-25 17:50:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_start [2021-11-25 17:50:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_start [2021-11-25 17:50:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_int_mode [2021-11-25 17:50:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_int_mode [2021-11-25 17:50:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-11-25 17:50:17,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-11-25 17:50:17,682 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_bmsr1 [2021-11-25 17:50:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_bmsr1 [2021-11-25 17:50:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_register_11_4 [2021-11-25 17:50:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_register_11_4 [2021-11-25 17:50:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_forced_2g5 [2021-11-25 17:50:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_forced_2g5 [2021-11-25 17:50:17,683 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_page [2021-11-25 17:50:17,683 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_page [2021-11-25 17:50:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_xceiver_str [2021-11-25 17:50:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_xceiver_str [2021-11-25 17:50:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2021-11-25 17:50:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2021-11-25 17:50:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_ctx_wr [2021-11-25 17:50:17,684 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_ctx_wr [2021-11-25 17:50:17,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_timer_instance_5 [2021-11-25 17:50:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_timer_instance_5 [2021-11-25 17:50:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-25 17:50:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-25 17:50:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_remote_phy [2021-11-25 17:50:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_remote_phy [2021-11-25 17:50:17,685 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_tx_unlock [2021-11-25 17:50:17,685 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_tx_unlock [2021-11-25 17:50:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-25 17:50:17,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-25 17:50:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2021-11-25 17:50:17,686 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2021-11-25 17:50:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-11-25 17:50:17,686 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-11-25 17:50:17,686 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-25 17:50:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-25 17:50:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_instance_callback_5_2 [2021-11-25 17:50:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_instance_callback_5_2 [2021-11-25 17:50:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2021-11-25 17:50:17,687 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2021-11-25 17:50:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-25 17:50:17,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2021-11-25 17:50:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2021-11-25 17:50:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2021-11-25 17:50:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2021-11-25 17:50:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_request_irq [2021-11-25 17:50:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_request_irq [2021-11-25 17:50:17,688 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_wr_ind [2021-11-25 17:50:17,688 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_wr_ind [2021-11-25 17:50:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-11-25 17:50:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-11-25 17:50:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-25 17:50:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_intr [2021-11-25 17:50:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_intr [2021-11-25 17:50:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_nic [2021-11-25 17:50:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_nic [2021-11-25 17:50:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-25 17:50:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-25 17:50:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-25 17:50:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_mac_addr [2021-11-25 17:50:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_mac_addr [2021-11-25 17:50:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure dma_sync_single_for_cpu [2021-11-25 17:50:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_sync_single_for_cpu [2021-11-25 17:50:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_msi [2021-11-25 17:50:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_msi [2021-11-25 17:50:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-11-25 17:50:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-11-25 17:50:17,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2021-11-25 17:50:17,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2021-11-25 17:50:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-25 17:50:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-25 17:50:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_skbs [2021-11-25 17:50:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_skbs [2021-11-25 17:50:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_86 [2021-11-25 17:50:17,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_86 [2021-11-25 17:50:17,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2021-11-25 17:50:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2021-11-25 17:50:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_and_enable_2g5 [2021-11-25 17:50:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_and_enable_2g5 [2021-11-25 17:50:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-11-25 17:50:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-11-25 17:50:17,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-25 17:50:17,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_59 [2021-11-25 17:50:17,694 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_self_test [2021-11-25 17:50:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_self_test [2021-11-25 17:50:17,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-25 17:50:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_net_dummy_resourceless_instance_1 [2021-11-25 17:50:17,694 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_msix_tbl [2021-11-25 17:50:17,694 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_msix_tbl [2021-11-25 17:50:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_int_sync [2021-11-25 17:50:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_int_sync [2021-11-25 17:50:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_del_napi [2021-11-25 17:50:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_del_napi [2021-11-25 17:50:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2021-11-25 17:50:17,695 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2021-11-25 17:50:17,695 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_timer [2021-11-25 17:50:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_timer [2021-11-25 17:50:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2021-11-25 17:50:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2021-11-25 17:50:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_napi_enable [2021-11-25 17:50:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_napi_enable [2021-11-25 17:50:17,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-25 17:50:17,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_29 [2021-11-25 17:50:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_setup_wol [2021-11-25 17:50:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_setup_wol [2021-11-25 17:50:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 17:50:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-25 17:50:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-25 17:50:17,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-25 17:50:17,697 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_tx_timeout [2021-11-25 17:50:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_tx_timeout [2021-11-25 17:50:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_find_info_keyword [2021-11-25 17:50:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_find_info_keyword [2021-11-25 17:50:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_acquire_nvram_lock [2021-11-25 17:50:17,698 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_acquire_nvram_lock [2021-11-25 17:50:17,698 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2021-11-25 17:50:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2021-11-25 17:50:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-25 17:50:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_53 [2021-11-25 17:50:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-25 17:50:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_52 [2021-11-25 17:50:17,699 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-11-25 17:50:17,699 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-11-25 17:50:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-25 17:50:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_49 [2021-11-25 17:50:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure request_firmware [2021-11-25 17:50:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure request_firmware [2021-11-25 17:50:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2021-11-25 17:50:17,700 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2021-11-25 17:50:17,700 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2021-11-25 17:50:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2021-11-25 17:50:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure check_fw_section [2021-11-25 17:50:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure check_fw_section [2021-11-25 17:50:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_settings [2021-11-25 17:50:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_settings [2021-11-25 17:50:17,701 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-25 17:50:17,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dummy_resourceless_instance_callback_1_40 [2021-11-25 17:50:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-25 17:50:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-25 17:50:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-25 17:50:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-25 17:50:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-25 17:50:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-25 17:50:17,702 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_write_dword [2021-11-25 17:50:17,702 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_write_dword [2021-11-25 17:50:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-25 17:50:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-25 17:50:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-25 17:50:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_link [2021-11-25 17:50:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_link [2021-11-25 17:50:17,703 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 17:50:17,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2021-11-25 17:50:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2021-11-25 17:50:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2021-11-25 17:50:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2021-11-25 17:50:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2021-11-25 17:50:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-11-25 17:50:17,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_phy_lock_of_bnx2 [2021-11-25 17:50:17,704 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-25 17:50:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-25 17:50:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nway_reset [2021-11-25 17:50:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nway_reset [2021-11-25 17:50:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_work [2021-11-25 17:50:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_work [2021-11-25 17:50:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_has_fast_work [2021-11-25 17:50:17,705 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_has_fast_work [2021-11-25 17:50:17,705 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2021-11-25 17:50:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2021-11-25 17:50:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_test_link [2021-11-25 17:50:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_test_link [2021-11-25 17:50:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-11-25 17:50:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-11-25 17:50:17,706 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_report_link [2021-11-25 17:50:17,706 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_report_link [2021-11-25 17:50:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_phy [2021-11-25 17:50:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_phy [2021-11-25 17:50:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2021-11-25 17:50:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2021-11-25 17:50:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_rx_cons [2021-11-25 17:50:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_rx_cons [2021-11-25 17:50:17,707 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2021-11-25 17:50:17,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2021-11-25 17:50:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_ring_size [2021-11-25 17:50:17,708 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_ring_size [2021-11-25 17:50:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_power_state [2021-11-25 17:50:17,708 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_power_state [2021-11-25 17:50:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure load_cpu_fw [2021-11-25 17:50:17,708 INFO L138 BoogieDeclarations]: Found implementation of procedure load_cpu_fw [2021-11-25 17:50:17,708 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2021-11-25 17:50:17,709 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2021-11-25 17:50:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-25 17:50:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_hw_tx_cons [2021-11-25 17:50:17,709 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_hw_tx_cons [2021-11-25 17:50:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure pci_vpd_info_field_size [2021-11-25 17:50:17,709 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_vpd_info_field_size [2021-11-25 17:50:17,709 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 17:50:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-11-25 17:50:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2021-11-25 17:50:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2021-11-25 17:50:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_fw_sync [2021-11-25 17:50:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_fw_sync [2021-11-25 17:50:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_139 [2021-11-25 17:50:17,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_139 [2021-11-25 17:50:17,710 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shmem_wr [2021-11-25 17:50:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shmem_wr [2021-11-25 17:50:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_5706s_force_link_dn [2021-11-25 17:50:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_5706s_force_link_dn [2021-11-25 17:50:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-25 17:50:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-25 17:50:17,711 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_default_link [2021-11-25 17:50:17,711 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_default_link [2021-11-25 17:50:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-25 17:50:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-25 17:50:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2021-11-25 17:50:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2021-11-25 17:50:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_nvram_read [2021-11-25 17:50:17,712 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_nvram_read [2021-11-25 17:50:17,712 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_change_mac_addr [2021-11-25 17:50:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_change_mac_addr [2021-11-25 17:50:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_init_fw_cap [2021-11-25 17:50:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_init_fw_cap [2021-11-25 17:50:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_reg_rd_ind [2021-11-25 17:50:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_reg_rd_ind [2021-11-25 17:50:17,713 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_enable_nvram_write [2021-11-25 17:50:17,713 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_enable_nvram_write [2021-11-25 17:50:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2021-11-25 17:50:17,714 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2021-11-25 17:50:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-11-25 17:50:17,714 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-11-25 17:50:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_page [2021-11-25 17:50:17,714 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_page [2021-11-25 17:50:17,714 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown [2021-11-25 17:50:17,714 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown [2021-11-25 17:50:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_disable_forced_2g5 [2021-11-25 17:50:17,715 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_disable_forced_2g5 [2021-11-25 17:50:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-25 17:50:17,715 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-25 17:50:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_netif_stop [2021-11-25 17:50:17,715 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_netif_stop [2021-11-25 17:50:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_find_max_ring [2021-11-25 17:50:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_find_max_ring [2021-11-25 17:50:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_get_coalesce [2021-11-25 17:50:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_get_coalesce [2021-11-25 17:50:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 17:50:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2021-11-25 17:50:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_98 [2021-11-25 17:50:17,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_98 [2021-11-25 17:50:17,716 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_rx_page [2021-11-25 17:50:17,717 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_rx_page [2021-11-25 17:50:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-25 17:50:17,717 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-25 17:50:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2021-11-25 17:50:17,717 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2021-11-25 17:50:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2021-11-25 17:50:17,717 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2021-11-25 17:50:17,717 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_shutdown_chip [2021-11-25 17:50:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_shutdown_chip [2021-11-25 17:50:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_alloc_mem [2021-11-25 17:50:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_alloc_mem [2021-11-25 17:50:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-25 17:50:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-25 17:50:17,718 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2021-11-25 17:50:17,718 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2021-11-25 17:50:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-25 17:50:17,719 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-25 17:50:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-25 17:50:17,719 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-25 17:50:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 17:50:17,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-25 17:50:17,719 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2021-11-25 17:50:17,719 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2021-11-25 17:50:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-25 17:50:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_free_irq [2021-11-25 17:50:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_free_irq [2021-11-25 17:50:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure poll_bnx2 [2021-11-25 17:50:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_bnx2 [2021-11-25 17:50:17,720 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_set_features [2021-11-25 17:50:17,720 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_set_features [2021-11-25 17:50:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-25 17:50:17,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-25 17:50:17,721 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2_dump_mcp_state [2021-11-25 17:50:17,721 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2_dump_mcp_state [2021-11-25 17:50:19,512 INFO L236 CfgBuilder]: Building ICFG [2021-11-25 17:50:19,518 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-25 17:50:20,154 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-25 17:53:00,497 INFO L277 CfgBuilder]: Performing block encoding [2021-11-25 17:53:09,080 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-25 17:53:09,080 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-25 17:53:09,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:09 BoogieIcfgContainer [2021-11-25 17:53:09,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-25 17:53:09,090 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-25 17:53:09,090 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-25 17:53:09,093 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-25 17:53:09,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:50:05" (1/3) ... [2021-11-25 17:53:09,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb0bb4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:53:09, skipping insertion in model container [2021-11-25 17:53:09,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:50:15" (2/3) ... [2021-11-25 17:53:09,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eb0bb4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:53:09, skipping insertion in model container [2021-11-25 17:53:09,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:53:09" (3/3) ... [2021-11-25 17:53:09,096 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-net-ethernet-broadcom-bnx2.cil.i [2021-11-25 17:53:09,101 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-25 17:53:09,101 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-25 17:53:09,165 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-25 17:53:09,172 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-25 17:53:09,181 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-25 17:53:09,298 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) [2021-11-25 17:53:09,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-25 17:53:09,304 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:53:09,304 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] [2021-11-25 17:53:09,305 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)] === [2021-11-25 17:53:09,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:53:09,310 INFO L85 PathProgramCache]: Analyzing trace with hash -774035568, now seen corresponding path program 1 times [2021-11-25 17:53:09,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:53:09,320 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717067877] [2021-11-25 17:53:09,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:53:09,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:53:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:53:10,480 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 17:53:10,481 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:53:10,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717067877] [2021-11-25 17:53:10,482 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717067877] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:53:10,482 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:53:10,482 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 17:53:10,484 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008229967] [2021-11-25 17:53:10,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:53:10,488 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 17:53:10,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:53:10,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 17:53:10,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:53:10,535 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) [2021-11-25 17:53:16,258 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:23,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:24,423 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:26,211 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:30,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:32,201 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:33,919 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:35,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:39,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:41,896 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:46,419 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:50,459 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:52,744 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:55,455 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:57,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:53:59,862 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:00,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:00,967 INFO L93 Difference]: Finished difference Result 13392 states and 20320 transitions. [2021-11-25 17:54:00,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 17:54:00,969 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 [2021-11-25 17:54:00,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:01,068 INFO L225 Difference]: With dead ends: 13392 [2021-11-25 17:54:01,069 INFO L226 Difference]: Without dead ends: 8848 [2021-11-25 17:54:01,129 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-25 17:54:01,133 INFO L933 BasicCegarLoop]: 7525 mSDtfsCounter, 6347 mSDsluCounter, 22989 mSDsCounter, 0 mSdLazyCounter, 2695 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6368 SdHoareTripleChecker+Valid, 28513 SdHoareTripleChecker+Invalid, 2707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2695 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.5s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:01,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6368 Valid, 28513 Invalid, 2707 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2695 Invalid, 9 Unknown, 0 Unchecked, 49.5s Time] [2021-11-25 17:54:01,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8848 states. [2021-11-25 17:54:01,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8848 to 8838. [2021-11-25 17:54:01,935 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) [2021-11-25 17:54:02,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8838 states to 8838 states and 12960 transitions. [2021-11-25 17:54:02,034 INFO L78 Accepts]: Start accepts. Automaton has 8838 states and 12960 transitions. Word has length 35 [2021-11-25 17:54:02,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:02,035 INFO L470 AbstractCegarLoop]: Abstraction has 8838 states and 12960 transitions. [2021-11-25 17:54:02,036 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) [2021-11-25 17:54:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand 8838 states and 12960 transitions. [2021-11-25 17:54:02,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-25 17:54:02,040 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:02,041 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] [2021-11-25 17:54:02,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-25 17:54:02,042 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)] === [2021-11-25 17:54:02,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:02,045 INFO L85 PathProgramCache]: Analyzing trace with hash 1661112856, now seen corresponding path program 1 times [2021-11-25 17:54:02,045 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:02,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606554558] [2021-11-25 17:54:02,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:02,048 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:02,621 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-25 17:54:02,621 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:02,622 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606554558] [2021-11-25 17:54:02,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606554558] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:02,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:02,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 17:54:02,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540915076] [2021-11-25 17:54:02,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:02,624 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 17:54:02,624 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:02,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 17:54:02,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:54:02,625 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) [2021-11-25 17:54:08,961 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:15,581 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:21,520 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:23,855 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:30,348 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:36,972 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:39,264 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:41,642 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:43,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:46,064 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:54:47,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:54:47,227 INFO L93 Difference]: Finished difference Result 16315 states and 23805 transitions. [2021-11-25 17:54:47,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 17:54:47,227 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 [2021-11-25 17:54:47,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:54:47,366 INFO L225 Difference]: With dead ends: 16315 [2021-11-25 17:54:47,366 INFO L226 Difference]: Without dead ends: 16313 [2021-11-25 17:54:47,377 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 [2021-11-25 17:54:47,379 INFO L933 BasicCegarLoop]: 7274 mSDtfsCounter, 6241 mSDsluCounter, 21547 mSDsCounter, 0 mSdLazyCounter, 2638 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 42.0s 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, 44.0s IncrementalHoareTripleChecker+Time [2021-11-25 17:54:47,379 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6266 Valid, 26884 Invalid, 2647 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2638 Invalid, 8 Unknown, 0 Unchecked, 44.0s Time] [2021-11-25 17:54:47,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16313 states. [2021-11-25 17:54:48,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16313 to 16306. [2021-11-25 17:54:48,364 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) [2021-11-25 17:54:48,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16306 states to 16306 states and 23797 transitions. [2021-11-25 17:54:48,474 INFO L78 Accepts]: Start accepts. Automaton has 16306 states and 23797 transitions. Word has length 40 [2021-11-25 17:54:48,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:54:48,474 INFO L470 AbstractCegarLoop]: Abstraction has 16306 states and 23797 transitions. [2021-11-25 17:54:48,475 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) [2021-11-25 17:54:48,475 INFO L276 IsEmpty]: Start isEmpty. Operand 16306 states and 23797 transitions. [2021-11-25 17:54:48,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-25 17:54:48,485 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:54:48,486 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] [2021-11-25 17:54:48,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-25 17:54:48,486 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)] === [2021-11-25 17:54:48,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:54:48,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1965058992, now seen corresponding path program 1 times [2021-11-25 17:54:48,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:54:48,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291805202] [2021-11-25 17:54:48,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:54:48,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:54:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:54:49,068 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-25 17:54:49,068 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:54:49,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291805202] [2021-11-25 17:54:49,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291805202] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:54:49,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:54:49,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 17:54:49,068 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610295016] [2021-11-25 17:54:49,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:54:49,069 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 17:54:49,069 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:54:49,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 17:54:49,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:54:49,070 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) [2021-11-25 17:54:54,241 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:02,071 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:06,341 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:08,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:09,932 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:11,965 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:19,724 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:23,413 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:26,159 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:28,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:31,265 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:33,601 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:35,745 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:37,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:55:37,218 INFO L93 Difference]: Finished difference Result 23779 states and 34630 transitions. [2021-11-25 17:55:37,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 17:55:37,219 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 [2021-11-25 17:55:37,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:55:37,332 INFO L225 Difference]: With dead ends: 23779 [2021-11-25 17:55:37,332 INFO L226 Difference]: Without dead ends: 23777 [2021-11-25 17:55:37,351 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 [2021-11-25 17:55:37,352 INFO L933 BasicCegarLoop]: 7269 mSDtfsCounter, 6242 mSDsluCounter, 21538 mSDsCounter, 0 mSdLazyCounter, 2637 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6264 SdHoareTripleChecker+Valid, 26869 SdHoareTripleChecker+Invalid, 2647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2637 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:55:37,352 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6264 Valid, 26869 Invalid, 2647 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2637 Invalid, 9 Unknown, 0 Unchecked, 47.4s Time] [2021-11-25 17:55:37,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23777 states. [2021-11-25 17:55:38,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23777 to 23770. [2021-11-25 17:55:38,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23770 states, 14252 states have (on average 1.2825568341285434) internal successors, (18279), 14735 states have internal predecessors, (18279), 8012 states have call successors, (8012), 1512 states have call predecessors, (8012), 1503 states have return successors, (8331), 7881 states have call predecessors, (8331), 8006 states have call successors, (8331) [2021-11-25 17:55:38,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23770 states to 23770 states and 34622 transitions. [2021-11-25 17:55:38,887 INFO L78 Accepts]: Start accepts. Automaton has 23770 states and 34622 transitions. Word has length 45 [2021-11-25 17:55:38,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:55:38,888 INFO L470 AbstractCegarLoop]: Abstraction has 23770 states and 34622 transitions. [2021-11-25 17:55:38,888 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) [2021-11-25 17:55:38,888 INFO L276 IsEmpty]: Start isEmpty. Operand 23770 states and 34622 transitions. [2021-11-25 17:55:38,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-25 17:55:38,889 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:55:38,889 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] [2021-11-25 17:55:38,889 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-25 17:55:38,890 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)] === [2021-11-25 17:55:38,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:55:38,890 INFO L85 PathProgramCache]: Analyzing trace with hash -2086378184, now seen corresponding path program 1 times [2021-11-25 17:55:38,890 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:55:38,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992446407] [2021-11-25 17:55:38,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:55:38,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:55:39,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:55:39,376 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-25 17:55:39,376 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:55:39,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992446407] [2021-11-25 17:55:39,376 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992446407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:55:39,377 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:55:39,377 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 17:55:39,377 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821297159] [2021-11-25 17:55:39,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:55:39,377 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 17:55:39,377 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:55:39,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 17:55:39,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:55:39,378 INFO L87 Difference]: Start difference. First operand 23770 states and 34622 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) [2021-11-25 17:55:45,052 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:50,045 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:52,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:57,253 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:55:59,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:07,918 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:14,893 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:17,194 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:19,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:21,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:24,048 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:25,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:56:25,556 INFO L93 Difference]: Finished difference Result 23787 states and 34636 transitions. [2021-11-25 17:56:25,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 17:56:25,556 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 [2021-11-25 17:56:25,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:56:25,649 INFO L225 Difference]: With dead ends: 23787 [2021-11-25 17:56:25,649 INFO L226 Difference]: Without dead ends: 23785 [2021-11-25 17:56:25,664 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 [2021-11-25 17:56:25,665 INFO L933 BasicCegarLoop]: 7350 mSDtfsCounter, 6237 mSDsluCounter, 21733 mSDsCounter, 0 mSdLazyCounter, 2689 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6260 SdHoareTripleChecker+Valid, 27112 SdHoareTripleChecker+Invalid, 2698 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2689 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 45.4s IncrementalHoareTripleChecker+Time [2021-11-25 17:56:25,665 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6260 Valid, 27112 Invalid, 2698 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2689 Invalid, 8 Unknown, 0 Unchecked, 45.4s Time] [2021-11-25 17:56:25,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23785 states. [2021-11-25 17:56:26,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23785 to 23778. [2021-11-25 17:56:26,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23778 states, 14258 states have (on average 1.2824379295833919) internal successors, (18285), 14741 states have internal predecessors, (18285), 8012 states have call successors, (8012), 1514 states have call predecessors, (8012), 1505 states have return successors, (8331), 7881 states have call predecessors, (8331), 8006 states have call successors, (8331) [2021-11-25 17:56:27,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23778 states to 23778 states and 34628 transitions. [2021-11-25 17:56:27,038 INFO L78 Accepts]: Start accepts. Automaton has 23778 states and 34628 transitions. Word has length 56 [2021-11-25 17:56:27,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:56:27,038 INFO L470 AbstractCegarLoop]: Abstraction has 23778 states and 34628 transitions. [2021-11-25 17:56:27,039 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) [2021-11-25 17:56:27,039 INFO L276 IsEmpty]: Start isEmpty. Operand 23778 states and 34628 transitions. [2021-11-25 17:56:27,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-11-25 17:56:27,041 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:56:27,041 INFO L514 BasicCegarLoop]: trace histogram [5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 17:56:27,041 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-25 17:56:27,041 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)] === [2021-11-25 17:56:27,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:56:27,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1295859440, now seen corresponding path program 1 times [2021-11-25 17:56:27,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:56:27,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513973979] [2021-11-25 17:56:27,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:56:27,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:56:27,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:56:27,736 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-11-25 17:56:27,736 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:56:27,736 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513973979] [2021-11-25 17:56:27,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513973979] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:56:27,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:56:27,737 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 17:56:27,737 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418275347] [2021-11-25 17:56:27,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:56:27,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 17:56:27,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:56:27,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 17:56:27,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:56:27,738 INFO L87 Difference]: Start difference. First operand 23778 states and 34628 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2021-11-25 17:56:33,806 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:35,844 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:37,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:42,174 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:48,718 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:52,524 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:56,360 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:56:58,309 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:07,456 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:09,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:11,921 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:14,243 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:16,397 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:17,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:57:17,721 INFO L93 Difference]: Finished difference Result 32331 states and 47320 transitions. [2021-11-25 17:57:17,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 17:57:17,722 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 55 [2021-11-25 17:57:17,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:57:17,856 INFO L225 Difference]: With dead ends: 32331 [2021-11-25 17:57:17,856 INFO L226 Difference]: Without dead ends: 32329 [2021-11-25 17:57:17,870 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 [2021-11-25 17:57:17,871 INFO L933 BasicCegarLoop]: 7272 mSDtfsCounter, 6565 mSDsluCounter, 20433 mSDsCounter, 0 mSdLazyCounter, 2744 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6576 SdHoareTripleChecker+Valid, 25717 SdHoareTripleChecker+Invalid, 2756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 2744 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.9s IncrementalHoareTripleChecker+Time [2021-11-25 17:57:17,872 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6576 Valid, 25717 Invalid, 2756 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 2744 Invalid, 9 Unknown, 0 Unchecked, 48.9s Time] [2021-11-25 17:57:17,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32329 states. [2021-11-25 17:57:19,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32329 to 32316. [2021-11-25 17:57:19,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32316 states, 19323 states have (on average 1.2827200745225897) internal successors, (24786), 20053 states have internal predecessors, (24786), 10766 states have call successors, (10766), 2308 states have call predecessors, (10766), 2224 states have return successors, (11755), 10440 states have call predecessors, (11755), 10757 states have call successors, (11755) [2021-11-25 17:57:19,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32316 states to 32316 states and 47307 transitions. [2021-11-25 17:57:19,949 INFO L78 Accepts]: Start accepts. Automaton has 32316 states and 47307 transitions. Word has length 55 [2021-11-25 17:57:19,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:57:19,950 INFO L470 AbstractCegarLoop]: Abstraction has 32316 states and 47307 transitions. [2021-11-25 17:57:19,951 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, (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) [2021-11-25 17:57:19,951 INFO L276 IsEmpty]: Start isEmpty. Operand 32316 states and 47307 transitions. [2021-11-25 17:57:19,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2021-11-25 17:57:19,953 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:57:19,953 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] [2021-11-25 17:57:19,953 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-25 17:57:19,954 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)] === [2021-11-25 17:57:19,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:57:19,954 INFO L85 PathProgramCache]: Analyzing trace with hash 966084504, now seen corresponding path program 1 times [2021-11-25 17:57:19,955 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:57:19,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851428042] [2021-11-25 17:57:19,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:57:19,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:57:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:57:20,710 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-11-25 17:57:20,710 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:57:20,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851428042] [2021-11-25 17:57:20,710 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851428042] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:57:20,710 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:57:20,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 17:57:20,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832921801] [2021-11-25 17:57:20,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:57:20,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 17:57:20,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:57:20,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 17:57:20,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:57:20,712 INFO L87 Difference]: Start difference. First operand 32316 states and 47307 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) [2021-11-25 17:57:27,039 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:32,909 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:41,244 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:45,492 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:47,513 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:49,577 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:56,238 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.98s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:57,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:57:58,784 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:01,539 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:03,716 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:06,023 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:08,486 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:10,911 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:12,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:58:12,569 INFO L93 Difference]: Finished difference Result 32338 states and 47326 transitions. [2021-11-25 17:58:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 17:58:12,570 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 [2021-11-25 17:58:12,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:58:12,682 INFO L225 Difference]: With dead ends: 32338 [2021-11-25 17:58:12,683 INFO L226 Difference]: Without dead ends: 32336 [2021-11-25 17:58:12,696 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 [2021-11-25 17:58:12,697 INFO L933 BasicCegarLoop]: 7419 mSDtfsCounter, 6242 mSDsluCounter, 21940 mSDsCounter, 0 mSdLazyCounter, 2789 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 48.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6261 SdHoareTripleChecker+Valid, 27319 SdHoareTripleChecker+Invalid, 2799 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2789 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 50.9s IncrementalHoareTripleChecker+Time [2021-11-25 17:58:12,697 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6261 Valid, 27319 Invalid, 2799 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2789 Invalid, 9 Unknown, 0 Unchecked, 50.9s Time] [2021-11-25 17:58:12,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32336 states. [2021-11-25 17:58:13,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32336 to 32328. [2021-11-25 17:58:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32328 states, 19332 states have (on average 1.2825884543761639) internal successors, (24795), 20062 states have internal predecessors, (24795), 10766 states have call successors, (10766), 2311 states have call predecessors, (10766), 2227 states have return successors, (11755), 10440 states have call predecessors, (11755), 10757 states have call successors, (11755) [2021-11-25 17:58:14,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32328 states to 32328 states and 47316 transitions. [2021-11-25 17:58:14,243 INFO L78 Accepts]: Start accepts. Automaton has 32328 states and 47316 transitions. Word has length 60 [2021-11-25 17:58:14,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:58:14,244 INFO L470 AbstractCegarLoop]: Abstraction has 32328 states and 47316 transitions. [2021-11-25 17:58:14,244 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) [2021-11-25 17:58:14,244 INFO L276 IsEmpty]: Start isEmpty. Operand 32328 states and 47316 transitions. [2021-11-25 17:58:14,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-25 17:58:14,245 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:58:14,246 INFO L514 BasicCegarLoop]: trace histogram [7, 6, 6, 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] [2021-11-25 17:58:14,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-25 17:58:14,246 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)] === [2021-11-25 17:58:14,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:58:14,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1214861872, now seen corresponding path program 1 times [2021-11-25 17:58:14,247 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:58:14,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651538946] [2021-11-25 17:58:14,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:58:14,247 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:58:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:58:14,950 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2021-11-25 17:58:14,950 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:58:14,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651538946] [2021-11-25 17:58:14,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651538946] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:58:14,951 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:58:14,951 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 17:58:14,951 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030904493] [2021-11-25 17:58:14,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:58:14,951 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 17:58:14,951 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:58:14,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 17:58:14,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:58:14,952 INFO L87 Difference]: Start difference. First operand 32328 states and 47316 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, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 17:58:20,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:22,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:24,937 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:29,898 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:31,849 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:37,296 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:39,925 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:41,960 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:43,992 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:45,301 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:49,340 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:51,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:53,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:58:59,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:59:02,038 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:59:05,216 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:59:07,907 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:59:09,818 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:59:11,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:59:14,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 17:59:14,156 INFO L93 Difference]: Finished difference Result 42469 states and 62064 transitions. [2021-11-25 17:59:14,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 17:59:14,156 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, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 65 [2021-11-25 17:59:14,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 17:59:14,271 INFO L225 Difference]: With dead ends: 42469 [2021-11-25 17:59:14,271 INFO L226 Difference]: Without dead ends: 42467 [2021-11-25 17:59:14,290 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 [2021-11-25 17:59:14,291 INFO L933 BasicCegarLoop]: 7539 mSDtfsCounter, 6258 mSDsluCounter, 22195 mSDsCounter, 0 mSdLazyCounter, 2809 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 55.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6274 SdHoareTripleChecker+Valid, 27679 SdHoareTripleChecker+Invalid, 2820 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2809 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 58.0s IncrementalHoareTripleChecker+Time [2021-11-25 17:59:14,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6274 Valid, 27679 Invalid, 2820 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2809 Invalid, 10 Unknown, 0 Unchecked, 58.0s Time] [2021-11-25 17:59:14,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42467 states. [2021-11-25 17:59:15,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42467 to 42461. [2021-11-25 17:59:15,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42461 states, 25413 states have (on average 1.282808011647582) internal successors, (32600), 26368 states have internal predecessors, (32600), 14105 states have call successors, (14105), 3048 states have call predecessors, (14105), 2940 states have return successors, (15351), 13684 states have call predecessors, (15351), 14096 states have call successors, (15351) [2021-11-25 17:59:16,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42461 states to 42461 states and 62056 transitions. [2021-11-25 17:59:16,239 INFO L78 Accepts]: Start accepts. Automaton has 42461 states and 62056 transitions. Word has length 65 [2021-11-25 17:59:16,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 17:59:16,240 INFO L470 AbstractCegarLoop]: Abstraction has 42461 states and 62056 transitions. [2021-11-25 17:59:16,240 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, (14), 3 states have call predecessors, (14), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2021-11-25 17:59:16,240 INFO L276 IsEmpty]: Start isEmpty. Operand 42461 states and 62056 transitions. [2021-11-25 17:59:16,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-11-25 17:59:16,242 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 17:59:16,242 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] [2021-11-25 17:59:16,242 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-25 17:59:16,243 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)] === [2021-11-25 17:59:16,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 17:59:16,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1270196920, now seen corresponding path program 1 times [2021-11-25 17:59:16,243 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 17:59:16,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803011866] [2021-11-25 17:59:16,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 17:59:16,244 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 17:59:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 17:59:16,697 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2021-11-25 17:59:16,697 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 17:59:16,698 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803011866] [2021-11-25 17:59:16,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803011866] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 17:59:16,698 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 17:59:16,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 17:59:16,698 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717184000] [2021-11-25 17:59:16,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 17:59:16,699 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 17:59:16,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 17:59:16,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 17:59:16,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 17:59:16,699 INFO L87 Difference]: Start difference. First operand 42461 states and 62056 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) [2021-11-25 17:59:23,342 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:59:29,384 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:59:37,582 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:59:43,670 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:59:53,699 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:59:55,871 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 17:59:58,185 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:00:00,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:00:02,734 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:00:04,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:00:04,415 INFO L93 Difference]: Finished difference Result 42483 states and 62075 transitions. [2021-11-25 18:00:04,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:00:04,416 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 [2021-11-25 18:00:04,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:00:04,535 INFO L225 Difference]: With dead ends: 42483 [2021-11-25 18:00:04,535 INFO L226 Difference]: Without dead ends: 42481 [2021-11-25 18:00:04,550 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 [2021-11-25 18:00:04,551 INFO L933 BasicCegarLoop]: 7638 mSDtfsCounter, 6237 mSDsluCounter, 22425 mSDsCounter, 0 mSdLazyCounter, 2863 mSolverCounterSat, 1 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6256 SdHoareTripleChecker+Valid, 27976 SdHoareTripleChecker+Invalid, 2872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2863 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.4s IncrementalHoareTripleChecker+Time [2021-11-25 18:00:04,551 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6256 Valid, 27976 Invalid, 2872 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2863 Invalid, 8 Unknown, 0 Unchecked, 46.4s Time] [2021-11-25 18:00:04,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42481 states. [2021-11-25 18:00:06,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42481 to 42473. [2021-11-25 18:00:06,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42473 states, 25422 states have (on average 1.2827078908032412) internal successors, (32609), 26377 states have internal predecessors, (32609), 14105 states have call successors, (14105), 3051 states have call predecessors, (14105), 2943 states have return successors, (15351), 13684 states have call predecessors, (15351), 14096 states have call successors, (15351) [2021-11-25 18:00:06,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42473 states to 42473 states and 62065 transitions. [2021-11-25 18:00:06,278 INFO L78 Accepts]: Start accepts. Automaton has 42473 states and 62065 transitions. Word has length 76 [2021-11-25 18:00:06,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:00:06,278 INFO L470 AbstractCegarLoop]: Abstraction has 42473 states and 62065 transitions. [2021-11-25 18:00:06,279 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) [2021-11-25 18:00:06,279 INFO L276 IsEmpty]: Start isEmpty. Operand 42473 states and 62065 transitions. [2021-11-25 18:00:06,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2021-11-25 18:00:06,280 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:00:06,281 INFO L514 BasicCegarLoop]: trace histogram [9, 8, 8, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:00:06,281 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-25 18:00:06,281 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)] === [2021-11-25 18:00:06,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:00:06,282 INFO L85 PathProgramCache]: Analyzing trace with hash 538013232, now seen corresponding path program 1 times [2021-11-25 18:00:06,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:00:06,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477273083] [2021-11-25 18:00:06,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:00:06,282 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:00:06,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:00:06,977 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-25 18:00:06,977 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:00:06,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477273083] [2021-11-25 18:00:06,977 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477273083] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:00:06,977 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:00:06,978 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:00:06,978 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653295969] [2021-11-25 18:00:06,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:00:06,978 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:00:06,978 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:00:06,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:00:06,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:00:06,979 INFO L87 Difference]: Start difference. First operand 42473 states and 62065 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2021-11-25 18:00:13,451 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:00:19,291 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:00:22,974 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:00:25,977 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:00:29,687 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:00:34,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:00:41,047 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:00:44,740 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:00:46,923 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:00:49,240 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:00:51,730 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:00:54,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:00:55,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:00:55,881 INFO L93 Difference]: Finished difference Result 42495 states and 62084 transitions. [2021-11-25 18:00:55,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:00:55,882 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (17), 3 states have call predecessors, (17), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 81 [2021-11-25 18:00:55,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:00:56,004 INFO L225 Difference]: With dead ends: 42495 [2021-11-25 18:00:56,004 INFO L226 Difference]: Without dead ends: 42493 [2021-11-25 18:00:56,027 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 [2021-11-25 18:00:56,027 INFO L933 BasicCegarLoop]: 7566 mSDtfsCounter, 6236 mSDsluCounter, 22246 mSDsCounter, 0 mSdLazyCounter, 2808 mSolverCounterSat, 1 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6253 SdHoareTripleChecker+Valid, 27760 SdHoareTripleChecker+Invalid, 2819 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2808 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.5s IncrementalHoareTripleChecker+Time [2021-11-25 18:00:56,028 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6253 Valid, 27760 Invalid, 2819 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [1 Valid, 2808 Invalid, 10 Unknown, 0 Unchecked, 47.5s Time] [2021-11-25 18:00:56,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42493 states. [2021-11-25 18:00:57,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42493 to 42485. [2021-11-25 18:00:57,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42485 states, 25431 states have (on average 1.282607840824191) internal successors, (32618), 26386 states have internal predecessors, (32618), 14105 states have call successors, (14105), 3054 states have call predecessors, (14105), 2946 states have return successors, (15351), 13684 states have call predecessors, (15351), 14096 states have call successors, (15351) [2021-11-25 18:00:57,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42485 states to 42485 states and 62074 transitions. [2021-11-25 18:00:57,954 INFO L78 Accepts]: Start accepts. Automaton has 42485 states and 62074 transitions. Word has length 81 [2021-11-25 18:00:57,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:00:57,954 INFO L470 AbstractCegarLoop]: Abstraction has 42485 states and 62074 transitions. [2021-11-25 18:00:57,954 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, (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) [2021-11-25 18:00:57,954 INFO L276 IsEmpty]: Start isEmpty. Operand 42485 states and 62074 transitions. [2021-11-25 18:00:57,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-11-25 18:00:57,956 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:00:57,956 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] [2021-11-25 18:00:57,956 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-25 18:00:57,957 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)] === [2021-11-25 18:00:57,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:00:57,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1380252952, now seen corresponding path program 1 times [2021-11-25 18:00:57,957 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:00:57,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564707954] [2021-11-25 18:00:57,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:00:57,958 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:00:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:00:58,621 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2021-11-25 18:00:58,621 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:00:58,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564707954] [2021-11-25 18:00:58,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564707954] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:00:58,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:00:58,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:00:58,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903475008] [2021-11-25 18:00:58,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:00:58,622 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:00:58,622 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:00:58,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:00:58,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:00:58,623 INFO L87 Difference]: Start difference. First operand 42485 states and 62074 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) [2021-11-25 18:01:04,867 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:01:11,051 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:01:13,516 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:01:20,514 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:01:26,993 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:01:28,944 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:01:37,555 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:01:39,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:01:42,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:01:44,804 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:01:47,009 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:01:48,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:01:48,827 INFO L93 Difference]: Finished difference Result 42507 states and 62093 transitions. [2021-11-25 18:01:48,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-25 18:01:48,828 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 [2021-11-25 18:01:48,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:01:48,948 INFO L225 Difference]: With dead ends: 42507 [2021-11-25 18:01:48,948 INFO L226 Difference]: Without dead ends: 42505 [2021-11-25 18:01:48,964 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 [2021-11-25 18:01:48,964 INFO L933 BasicCegarLoop]: 7640 mSDtfsCounter, 6241 mSDsluCounter, 22429 mSDsCounter, 0 mSdLazyCounter, 2862 mSolverCounterSat, 1 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6258 SdHoareTripleChecker+Valid, 27982 SdHoareTripleChecker+Invalid, 2872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2862 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 48.9s IncrementalHoareTripleChecker+Time [2021-11-25 18:01:48,965 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6258 Valid, 27982 Invalid, 2872 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2862 Invalid, 9 Unknown, 0 Unchecked, 48.9s Time] [2021-11-25 18:01:48,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42505 states. [2021-11-25 18:01:50,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42505 to 42497. [2021-11-25 18:01:50,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42497 states, 25440 states have (on average 1.2825078616352201) internal successors, (32627), 26395 states have internal predecessors, (32627), 14105 states have call successors, (14105), 3057 states have call predecessors, (14105), 2949 states have return successors, (15351), 13684 states have call predecessors, (15351), 14096 states have call successors, (15351) [2021-11-25 18:01:50,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42497 states to 42497 states and 62083 transitions. [2021-11-25 18:01:50,773 INFO L78 Accepts]: Start accepts. Automaton has 42497 states and 62083 transitions. Word has length 80 [2021-11-25 18:01:50,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:01:50,774 INFO L470 AbstractCegarLoop]: Abstraction has 42497 states and 62083 transitions. [2021-11-25 18:01:50,774 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) [2021-11-25 18:01:50,774 INFO L276 IsEmpty]: Start isEmpty. Operand 42497 states and 62083 transitions. [2021-11-25 18:01:50,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2021-11-25 18:01:50,775 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:01:50,776 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] [2021-11-25 18:01:50,776 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-25 18:01:50,776 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)] === [2021-11-25 18:01:50,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:01:50,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1817233232, now seen corresponding path program 1 times [2021-11-25 18:01:50,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:01:50,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219772025] [2021-11-25 18:01:50,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:01:50,777 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:01:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:01:51,184 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2021-11-25 18:01:51,184 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:01:51,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219772025] [2021-11-25 18:01:51,184 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219772025] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:01:51,184 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:01:51,184 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:01:51,185 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751944389] [2021-11-25 18:01:51,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:01:51,185 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:01:51,185 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:01:51,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:01:51,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:01:51,186 INFO L87 Difference]: Start difference. First operand 42497 states and 62083 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) [2021-11-25 18:01:57,432 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:02:03,531 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:02:11,946 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:02:14,685 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:02:16,705 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:02:19,237 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:02:22,572 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:02:30,059 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:02:32,273 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:02:36,223 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:02:38,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:02:40,707 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:02:43,113 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:02:45,877 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:02:48,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-25 18:02:48,677 INFO L93 Difference]: Finished difference Result 76972 states and 115587 transitions. [2021-11-25 18:02:48,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-25 18:02:48,677 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 85 [2021-11-25 18:02:48,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-25 18:02:48,937 INFO L225 Difference]: With dead ends: 76972 [2021-11-25 18:02:48,938 INFO L226 Difference]: Without dead ends: 76970 [2021-11-25 18:02:48,962 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 [2021-11-25 18:02:48,963 INFO L933 BasicCegarLoop]: 8190 mSDtfsCounter, 5710 mSDsluCounter, 24284 mSDsCounter, 0 mSdLazyCounter, 3114 mSolverCounterSat, 3 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5720 SdHoareTripleChecker+Valid, 30201 SdHoareTripleChecker+Invalid, 3126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 3114 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.1s IncrementalHoareTripleChecker+Time [2021-11-25 18:02:48,963 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5720 Valid, 30201 Invalid, 3126 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 3114 Invalid, 9 Unknown, 0 Unchecked, 55.1s Time] [2021-11-25 18:02:49,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76970 states. [2021-11-25 18:02:52,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76970 to 76934. [2021-11-25 18:02:52,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76934 states, 46094 states have (on average 1.2836377836594786) internal successors, (59168), 47966 states have internal predecessors, (59168), 25237 states have call successors, (25237), 5855 states have call predecessors, (25237), 5600 states have return successors, (31145), 24231 states have call predecessors, (31145), 25219 states have call successors, (31145) [2021-11-25 18:02:52,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76934 states to 76934 states and 115550 transitions. [2021-11-25 18:02:52,925 INFO L78 Accepts]: Start accepts. Automaton has 76934 states and 115550 transitions. Word has length 85 [2021-11-25 18:02:52,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-25 18:02:52,925 INFO L470 AbstractCegarLoop]: Abstraction has 76934 states and 115550 transitions. [2021-11-25 18:02:52,925 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, (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) [2021-11-25 18:02:52,925 INFO L276 IsEmpty]: Start isEmpty. Operand 76934 states and 115550 transitions. [2021-11-25 18:02:52,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2021-11-25 18:02:52,927 INFO L506 BasicCegarLoop]: Found error trace [2021-11-25 18:02:52,927 INFO L514 BasicCegarLoop]: trace histogram [12, 11, 11, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-25 18:02:52,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-11-25 18:02:52,927 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2021-11-25 18:02:52,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-25 18:02:52,927 INFO L85 PathProgramCache]: Analyzing trace with hash -205539368, now seen corresponding path program 1 times [2021-11-25 18:02:52,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-25 18:02:52,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36170884] [2021-11-25 18:02:52,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-25 18:02:52,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-25 18:02:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-25 18:02:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2021-11-25 18:02:53,508 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-25 18:02:53,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36170884] [2021-11-25 18:02:53,509 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36170884] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-25 18:02:53,509 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-25 18:02:53,509 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-25 18:02:53,509 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771435261] [2021-11-25 18:02:53,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-25 18:02:53,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-25 18:02:53,510 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-25 18:02:53,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-25 18:02:53,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-25 18:02:53,510 INFO L87 Difference]: Start difference. First operand 76934 states and 115550 transitions. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2021-11-25 18:02:59,721 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:03:06,041 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:03:08,011 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:03:10,084 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:03:13,305 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:03:17,197 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:03:19,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:03:21,998 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-25 18:03:24,040 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []