./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f1645f8e98839bce4f434db74cc261d1b9600d4122c558a314d01e8a1c883744 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 00:22:47,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:22:47,471 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:22:47,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:22:47,493 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:22:47,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:22:47,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:22:47,498 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:22:47,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:22:47,501 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:22:47,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:22:47,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:22:47,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:22:47,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:22:47,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:22:47,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:22:47,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:22:47,512 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:22:47,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:22:47,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:22:47,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:22:47,523 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:22:47,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:22:47,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:22:47,532 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:22:47,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:22:47,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:22:47,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:22:47,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:22:47,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:22:47,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:22:47,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:22:47,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:22:47,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:22:47,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:22:47,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:22:47,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:22:47,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:22:47,556 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:22:47,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:22:47,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:22:47,563 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/bin/utaipan-g80aRyZoba/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-22 00:22:47,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:22:47,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:22:47,594 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:22:47,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:22:47,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:22:47,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:22:47,595 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:22:47,596 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:22:47,596 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:22:47,596 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:22:47,596 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:22:47,597 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:22:47,597 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:22:47,597 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:22:47,597 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:22:47,598 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:22:47,598 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:22:47,598 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:22:47,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:22:47,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:22:47,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:22:47,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:22:47,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:22:47,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:22:47,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:22:47,600 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:22:47,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:22:47,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:22:47,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:22:47,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:22:47,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:22:47,602 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:22:47,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:22:47,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:22:47,602 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:22:47,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:22:47,603 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:22:47,603 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:22:47,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1645f8e98839bce4f434db74cc261d1b9600d4122c558a314d01e8a1c883744 [2022-11-22 00:22:47,967 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:22:48,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:22:48,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:22:48,022 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:22:48,023 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:22:48,024 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2022-11-22 00:22:51,802 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:22:53,089 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:22:53,090 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2022-11-22 00:22:53,199 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/bin/utaipan-g80aRyZoba/data/2164e3d37/765e46c34d324bc9ba350d95a0aba301/FLAG94121899f [2022-11-22 00:22:53,271 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/bin/utaipan-g80aRyZoba/data/2164e3d37/765e46c34d324bc9ba350d95a0aba301 [2022-11-22 00:22:53,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:22:53,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:22:53,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:22:53,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:22:53,299 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:22:53,300 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:22:53" (1/1) ... [2022-11-22 00:22:53,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16d44740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:22:53, skipping insertion in model container [2022-11-22 00:22:53,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:22:53" (1/1) ... [2022-11-22 00:22:53,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:22:53,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:23:05,244 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[866011,866024] [2022-11-22 00:23:05,250 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[866180,866193] [2022-11-22 00:23:05,251 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[866347,866360] [2022-11-22 00:23:05,252 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[866515,866528] [2022-11-22 00:23:05,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:23:05,420 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:23:06,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[866011,866024] [2022-11-22 00:23:06,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[866180,866193] [2022-11-22 00:23:06,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[866347,866360] [2022-11-22 00:23:06,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i[866515,866528] [2022-11-22 00:23:06,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:23:07,261 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:23:07,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:23:07 WrapperNode [2022-11-22 00:23:07,263 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:23:07,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:23:07,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:23:07,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:23:07,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:23:07" (1/1) ... [2022-11-22 00:23:07,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:23:07" (1/1) ... [2022-11-22 00:23:08,202 INFO L138 Inliner]: procedures = 839, calls = 7853, calls flagged for inlining = 391, calls inlined = 375, statements flattened = 21210 [2022-11-22 00:23:08,203 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:23:08,204 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:23:08,205 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:23:08,206 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:23:08,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:23:07" (1/1) ... [2022-11-22 00:23:08,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:23:07" (1/1) ... [2022-11-22 00:23:08,336 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:23:07" (1/1) ... [2022-11-22 00:23:08,337 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:23:07" (1/1) ... [2022-11-22 00:23:09,153 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:23:07" (1/1) ... [2022-11-22 00:23:09,244 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:23:07" (1/1) ... [2022-11-22 00:23:09,355 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:23:07" (1/1) ... [2022-11-22 00:23:09,426 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:23:07" (1/1) ... [2022-11-22 00:23:09,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:23:09,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:23:09,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:23:09,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:23:09,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:23:07" (1/1) ... [2022-11-22 00:23:09,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:23:09,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:23:09,796 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:23:09,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85f12c0c-d6b0-40a0-89fa-e9e850e5108b/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:23:09,918 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close [2022-11-22 00:23:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close [2022-11-22 00:23:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_sw_reset [2022-11-22 00:23:09,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_sw_reset [2022-11-22 00:23:09,919 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_tx_stats_get [2022-11-22 00:23:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_tx_stats_get [2022-11-22 00:23:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-22 00:23:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-22 00:23:09,920 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_destroy [2022-11-22 00:23:09,920 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_destroy [2022-11-22 00:23:09,921 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-22 00:23:09,921 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-22 00:23:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_VPATH_TX [2022-11-22 00:23:09,922 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_VPATH_TX [2022-11-22 00:23:09,922 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_stats_enable [2022-11-22 00:23:09,938 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_stats_enable [2022-11-22 00:23:09,938 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_register [2022-11-22 00:23:09,939 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_register [2022-11-22 00:23:09,939 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_enable [2022-11-22 00:23:09,940 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_enable [2022-11-22 00:23:09,940 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_sset [2022-11-22 00:23:09,941 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_sset [2022-11-22 00:23:09,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 00:23:09,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-22 00:23:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_access_rights_get [2022-11-22 00:23:09,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_access_rights_get [2022-11-22 00:23:09,943 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-22 00:23:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-22 00:23:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-22 00:23:09,944 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-22 00:23:09,944 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_buffer_set [2022-11-22 00:23:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_buffer_set [2022-11-22 00:23:09,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_open_13_6 [2022-11-22 00:23:09,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_open_13_6 [2022-11-22 00:23:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure is_vxge_card_up [2022-11-22 00:23:09,946 INFO L138 BoogieDeclarations]: Found implementation of procedure is_vxge_card_up [2022-11-22 00:23:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_isr [2022-11-22 00:23:09,946 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_isr [2022-11-22 00:23:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_wait_receive_idle [2022-11-22 00:23:09,947 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_wait_receive_idle [2022-11-22 00:23:09,947 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_down [2022-11-22 00:23:09,948 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_down [2022-11-22 00:23:09,948 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_read [2022-11-22 00:23:09,949 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_read [2022-11-22 00:23:09,950 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_upgrade [2022-11-22 00:23:09,950 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_upgrade [2022-11-22 00:23:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_set [2022-11-22 00:23:09,951 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_set [2022-11-22 00:23:09,951 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-22 00:23:09,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-22 00:23:09,952 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_reset [2022-11-22 00:23:09,953 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_reset [2022-11-22 00:23:09,953 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-22 00:23:09,954 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-22 00:23:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-11-22 00:23:09,954 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-11-22 00:23:09,954 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_abort [2022-11-22 00:23:09,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_abort [2022-11-22 00:23:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-22 00:23:09,960 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-22 00:23:09,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_61 [2022-11-22 00:23:09,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_61 [2022-11-22 00:23:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mrpcim_stats_access [2022-11-22 00:23:09,961 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mrpcim_stats_access [2022-11-22 00:23:09,961 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-22 00:23:09,969 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-22 00:23:09,971 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_mask_all [2022-11-22 00:23:09,972 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_mask_all [2022-11-22 00:23:09,972 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-22 00:23:09,972 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-22 00:23:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_add [2022-11-22 00:23:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_add [2022-11-22 00:23:09,973 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-22 00:23:09,973 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-22 00:23:09,974 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write32_upper [2022-11-22 00:23:09,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write32_upper [2022-11-22 00:23:09,975 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_probe [2022-11-22 00:23:09,975 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_probe [2022-11-22 00:23:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_try_complete [2022-11-22 00:23:09,976 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_try_complete [2022-11-22 00:23:09,976 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-22 00:23:09,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-22 00:23:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure pcie_capability_read_word [2022-11-22 00:23:09,977 INFO L138 BoogieDeclarations]: Found implementation of procedure pcie_capability_read_word [2022-11-22 00:23:09,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:23:09,978 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-22 00:23:09,978 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-22 00:23:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-22 00:23:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-22 00:23:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_sset_count [2022-11-22 00:23:09,979 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_sset_count [2022-11-22 00:23:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_xmac_aggr_stats_get [2022-11-22 00:23:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_xmac_aggr_stats_get [2022-11-22 00:23:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-22 00:23:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-22 00:23:09,981 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_reset_all_vpaths [2022-11-22 00:23:09,981 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_reset_all_vpaths [2022-11-22 00:23:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_add [2022-11-22 00:23:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_add [2022-11-22 00:23:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_re_pre_post [2022-11-22 00:23:09,982 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_re_pre_post [2022-11-22 00:23:09,982 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-22 00:23:09,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-22 00:23:09,984 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-22 00:23:09,985 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-22 00:23:09,989 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_free [2022-11-22 00:23:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_free [2022-11-22 00:23:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev_89 [2022-11-22 00:23:09,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev_89 [2022-11-22 00:23:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-22 00:23:09,992 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-22 00:23:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_setpause_data [2022-11-22 00:23:09,994 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_setpause_data [2022-11-22 00:23:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-22 00:23:09,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-22 00:23:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxds_per_block_get [2022-11-22 00:23:10,000 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxds_per_block_get [2022-11-22 00:23:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 00:23:10,000 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-22 00:23:10,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-22 00:23:10,001 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-22 00:23:10,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-22 00:23:10,002 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_netdev [2022-11-22 00:23:10,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_netdev [2022-11-22 00:23:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-22 00:23:10,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-22 00:23:10,003 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:23:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-22 00:23:10,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-22 00:23:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset_check [2022-11-22 00:23:10,004 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset_check [2022-11-22 00:23:10,004 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-22 00:23:10,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-22 00:23:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 00:23:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-22 00:23:10,005 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-22 00:23:10,006 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-22 00:23:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-22 00:23:10,006 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-22 00:23:10,006 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-22 00:23:10,006 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-22 00:23:10,007 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 00:23:10,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-22 00:23:10,007 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-22 00:23:10,007 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-22 00:23:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_enable [2022-11-22 00:23:10,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_enable [2022-11-22 00:23:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_setpause_data [2022-11-22 00:23:10,008 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_setpause_data [2022-11-22 00:23:10,008 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_disable [2022-11-22 00:23:10,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_disable [2022-11-22 00:23:10,009 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_free [2022-11-22 00:23:10,009 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_free [2022-11-22 00:23:10,009 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_allocate [2022-11-22 00:23:10,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_allocate [2022-11-22 00:23:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-22 00:23:10,010 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-22 00:23:10,010 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_error_level_get [2022-11-22 00:23:10,012 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_error_level_get [2022-11-22 00:23:10,012 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_mgmt_reg_write [2022-11-22 00:23:10,013 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_mgmt_reg_write [2022-11-22 00:23:10,013 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-22 00:23:10,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-22 00:23:10,013 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_enable [2022-11-22 00:23:10,014 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_enable [2022-11-22 00:23:10,014 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_count [2022-11-22 00:23:10,014 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_count [2022-11-22 00:23:10,014 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_post [2022-11-22 00:23:10,015 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_post [2022-11-22 00:23:10,015 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_mac_addr [2022-11-22 00:23:10,015 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_mac_addr [2022-11-22 00:23:10,015 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-22 00:23:10,015 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-22 00:23:10,016 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_unmask_all [2022-11-22 00:23:10,016 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_unmask_all [2022-11-22 00:23:10,016 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_trace_level_get [2022-11-22 00:23:10,016 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_trace_level_get [2022-11-22 00:23:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:23:10,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:23:10,017 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_clear [2022-11-22 00:23:10,017 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_clear [2022-11-22 00:23:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_handle_error [2022-11-22 00:23:10,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_handle_error [2022-11-22 00:23:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-22 00:23:10,018 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-22 00:23:10,018 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_create [2022-11-22 00:23:10,019 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_create [2022-11-22 00:23:10,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-22 00:23:10,019 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 00:23:10,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-22 00:23:10,020 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mac_addr_add [2022-11-22 00:23:10,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mac_addr_add [2022-11-22 00:23:10,020 INFO L130 BoogieDeclarations]: Found specification of procedure napi_schedule [2022-11-22 00:23:10,020 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_schedule [2022-11-22 00:23:10,020 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-22 00:23:10,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-22 00:23:10,021 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rem_msix_isr [2022-11-22 00:23:10,021 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rem_msix_isr [2022-11-22 00:23:10,021 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-22 00:23:10,022 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_add_mac_addr [2022-11-22 00:23:10,022 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_add_mac_addr [2022-11-22 00:23:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_delete [2022-11-22 00:23:10,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_delete [2022-11-22 00:23:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-22 00:23:10,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-22 00:23:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_rxdblock_link [2022-11-22 00:23:10,024 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_rxdblock_link [2022-11-22 00:23:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_private_get [2022-11-22 00:23:10,024 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_private_get [2022-11-22 00:23:10,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-22 00:23:10,025 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-22 00:23:10,025 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-22 00:23:10,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-22 00:23:10,025 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2022-11-22 00:23:10,026 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_rti_rtimer_set [2022-11-22 00:23:10,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-22 00:23:10,026 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-22 00:23:10,026 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_post [2022-11-22 00:23:10,026 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_post [2022-11-22 00:23:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-11-22 00:23:10,027 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-11-22 00:23:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:23:10,027 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_free_mac_add_list [2022-11-22 00:23:10,027 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_free_mac_add_list [2022-11-22 00:23:10,028 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-22 00:23:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-22 00:23:10,028 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_delete [2022-11-22 00:23:10,028 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_delete [2022-11-22 00:23:10,029 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-22 00:23:10,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2022-11-22 00:23:10,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 00:23:10,031 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_reset [2022-11-22 00:23:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_reset [2022-11-22 00:23:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_func_id_get [2022-11-22 00:23:10,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_func_id_get [2022-11-22 00:23:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_open [2022-11-22 00:23:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_open [2022-11-22 00:23:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_intr_enable [2022-11-22 00:23:10,051 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_intr_enable [2022-11-22 00:23:10,051 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-22 00:23:10,052 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-22 00:23:10,052 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-22 00:23:10,056 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-22 00:23:10,056 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_vpath_reset_in_prog_check [2022-11-22 00:23:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_vpath_reset_in_prog_check [2022-11-22 00:23:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-22 00:23:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-22 00:23:10,057 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_replenish [2022-11-22 00:23:10,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_replenish [2022-11-22 00:23:10,058 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_pio_mem_write64 [2022-11-22 00:23:10,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_pio_mem_write64 [2022-11-22 00:23:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_poll_rx [2022-11-22 00:23:10,059 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_poll_rx [2022-11-22 00:23:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-22 00:23:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-22 00:23:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post [2022-11-22 00:23:10,060 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post [2022-11-22 00:23:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_all_queues [2022-11-22 00:23:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_all_queues [2022-11-22 00:23:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_terminate [2022-11-22 00:23:10,061 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_terminate [2022-11-22 00:23:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_create [2022-11-22 00:23:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_create [2022-11-22 00:23:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-22 00:23:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-22 00:23:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_io_resume [2022-11-22 00:23:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_io_resume [2022-11-22 00:23:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-22 00:23:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-22 00:23:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_alarm_process [2022-11-22 00:23:10,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_alarm_process [2022-11-22 00:23:10,065 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-22 00:23:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-22 00:23:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_62 [2022-11-22 00:23:10,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_62 [2022-11-22 00:23:10,066 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_set_multicast [2022-11-22 00:23:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_set_multicast [2022-11-22 00:23:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure pci_channel_offline [2022-11-22 00:23:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_channel_offline [2022-11-22 00:23:10,067 INFO L130 BoogieDeclarations]: Found specification of procedure synchronize_irq [2022-11-22 00:23:10,067 INFO L138 BoogieDeclarations]: Found implementation of procedure synchronize_irq [2022-11-22 00:23:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_mempool_item_priv [2022-11-22 00:23:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_mempool_item_priv [2022-11-22 00:23:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-22 00:23:10,068 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-22 00:23:10,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:23:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_3_6 [2022-11-22 00:23:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_3_6 [2022-11-22 00:23:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-22 00:23:10,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-22 00:23:10,069 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_dma_malloc [2022-11-22 00:23:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_dma_malloc [2022-11-22 00:23:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_set [2022-11-22 00:23:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_set [2022-11-22 00:23:10,070 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_retry_bh [2022-11-22 00:23:10,070 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_retry_bh [2022-11-22 00:23:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_recover_from_reset [2022-11-22 00:23:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_recover_from_reset [2022-11-22 00:23:10,071 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_1b_set [2022-11-22 00:23:10,071 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_1b_set [2022-11-22 00:23:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_access [2022-11-22 00:23:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_access [2022-11-22 00:23:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flush_io [2022-11-22 00:23:10,072 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flush_io [2022-11-22 00:23:10,072 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-22 00:23:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-22 00:23:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open [2022-11-22 00:23:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open [2022-11-22 00:23:10,073 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_txdl_priv [2022-11-22 00:23:10,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_txdl_priv [2022-11-22 00:23:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_18_2 [2022-11-22 00:23:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_18_2 [2022-11-22 00:23:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 00:23:10,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~X~$Pointer$~TO~VOID [2022-11-22 00:23:10,074 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_91 [2022-11-22 00:23:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_91 [2022-11-22 00:23:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_close_vpaths [2022-11-22 00:23:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_close_vpaths [2022-11-22 00:23:10,075 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_unmask [2022-11-22 00:23:10,075 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_unmask [2022-11-22 00:23:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-11-22 00:23:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-11-22 00:23:10,076 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_vid_table [2022-11-22 00:23:10,076 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_vid_table [2022-11-22 00:23:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_initialize [2022-11-22 00:23:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_initialize [2022-11-22 00:23:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_next_completed [2022-11-22 00:23:10,077 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_next_completed [2022-11-22 00:23:10,077 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_alloc [2022-11-22 00:23:10,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_alloc [2022-11-22 00:23:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_reset [2022-11-22 00:23:10,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_reset [2022-11-22 00:23:10,078 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_open_vpaths [2022-11-22 00:23:10,078 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_open_vpaths [2022-11-22 00:23:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-22 00:23:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-22 00:23:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_destroy [2022-11-22 00:23:10,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_destroy [2022-11-22 00:23:10,079 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_map [2022-11-22 00:23:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_map [2022-11-22 00:23:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-22 00:23:10,080 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-22 00:23:10,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-11-22 00:23:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-11-22 00:23:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_device_unregister [2022-11-22 00:23:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_device_unregister [2022-11-22 00:23:10,081 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-11-22 00:23:10,081 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-11-22 00:23:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-22 00:23:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-22 00:23:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-22 00:23:10,082 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-22 00:23:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-22 00:23:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-22 00:23:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_pre_post [2022-11-22 00:23:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_pre_post [2022-11-22 00:23:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure netif_napi_del [2022-11-22 00:23:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_napi_del [2022-11-22 00:23:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-22 00:23:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-22 00:23:10,084 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_rx_doorbell_init [2022-11-22 00:23:10,084 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_rx_doorbell_init [2022-11-22 00:23:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_stats_get [2022-11-22 00:23:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_stats_get [2022-11-22 00:23:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_vxge_closer_21_2 [2022-11-22 00:23:10,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_vxge_closer_21_2 [2022-11-22 00:23:10,085 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_pm_resume [2022-11-22 00:23:10,086 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_pm_resume [2022-11-22 00:23:10,086 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-22 00:23:10,087 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-22 00:23:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_clear_tx_rx [2022-11-22 00:23:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_clear_tx_rx [2022-11-22 00:23:10,088 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_wait_receive_idle [2022-11-22 00:23:10,088 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_wait_receive_idle [2022-11-22 00:23:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_vpath_intr_disable [2022-11-22 00:23:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_vpath_intr_disable [2022-11-22 00:23:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-22 00:23:10,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-22 00:23:10,089 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-22 00:23:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-22 00:23:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-22 00:23:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-22 00:23:10,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-22 00:23:10,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-22 00:23:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:23:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_queue_stopped [2022-11-22 00:23:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_queue_stopped [2022-11-22 00:23:10,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-22 00:23:10,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-22 00:23:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-22 00:23:10,092 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-22 00:23:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_del_mac_addr [2022-11-22 00:23:10,092 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_del_mac_addr [2022-11-22 00:23:10,092 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-22 00:23:10,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-22 00:23:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-22 00:23:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-22 00:23:10,093 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-22 00:23:10,093 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_toc_get [2022-11-22 00:23:10,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_toc_get [2022-11-22 00:23:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_gset [2022-11-22 00:23:10,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_gset [2022-11-22 00:23:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_mac_list_del [2022-11-22 00:23:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_mac_list_del [2022-11-22 00:23:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-22 00:23:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-22 00:23:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-22 00:23:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-22 00:23:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-22 00:23:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-22 00:23:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-22 00:23:10,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-22 00:23:10,096 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-22 00:23:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-22 00:23:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-22 00:23:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_fifo_txdl_private_get [2022-11-22 00:23:10,097 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_fifo_txdl_private_get [2022-11-22 00:23:10,097 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_tti_ci_set [2022-11-22 00:23:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_tti_ci_set [2022-11-22 00:23:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-22 00:23:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-22 00:23:10,098 INFO L130 BoogieDeclarations]: Found specification of procedure VXGE_COMPLETE_ALL_TX [2022-11-22 00:23:10,098 INFO L138 BoogieDeclarations]: Found implementation of procedure VXGE_COMPLETE_ALL_TX [2022-11-22 00:23:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-22 00:23:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-22 00:23:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_intr_disable [2022-11-22 00:23:10,099 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_intr_disable [2022-11-22 00:23:10,099 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_add [2022-11-22 00:23:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_add [2022-11-22 00:23:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_reset [2022-11-22 00:23:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_reset [2022-11-22 00:23:10,100 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_restore_vpath_mac_addr [2022-11-22 00:23:10,100 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_restore_vpath_mac_addr [2022-11-22 00:23:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_unmask [2022-11-22 00:23:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_unmask [2022-11-22 00:23:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_mcast_enable [2022-11-22 00:23:10,101 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_mcast_enable [2022-11-22 00:23:10,101 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-22 00:23:10,102 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-22 00:23:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:23:10,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-22 00:23:10,102 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_rts_table_get [2022-11-22 00:23:10,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_rts_table_get [2022-11-22 00:23:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_msix_mask [2022-11-22 00:23:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_msix_mask [2022-11-22 00:23:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_vid_add [2022-11-22 00:23:10,103 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_vid_add [2022-11-22 00:23:10,103 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_config_ci_for_tti_rti [2022-11-22 00:23:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_config_ci_for_tti_rti [2022-11-22 00:23:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_prc_configure [2022-11-22 00:23:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_prc_configure [2022-11-22 00:23:10,104 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-22 00:23:10,104 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-22 00:23:10,105 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-22 00:23:10,105 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-22 00:23:10,105 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_fetch_begin_bh [2022-11-22 00:23:10,105 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_fetch_begin_bh [2022-11-22 00:23:10,105 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-11-22 00:23:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-11-22 00:23:10,106 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_rx_alloc [2022-11-22 00:23:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_rx_alloc [2022-11-22 00:23:10,106 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-22 00:23:10,106 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-22 00:23:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_link_up [2022-11-22 00:23:10,107 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_link_up [2022-11-22 00:23:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_fw_flash [2022-11-22 00:23:10,107 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_fw_flash [2022-11-22 00:23:10,107 INFO L130 BoogieDeclarations]: Found specification of procedure writeq [2022-11-22 00:23:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure writeq [2022-11-22 00:23:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_next_completed [2022-11-22 00:23:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_next_completed [2022-11-22 00:23:10,108 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_bcast_enable [2022-11-22 00:23:10,108 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_bcast_enable [2022-11-22 00:23:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_msix_mask [2022-11-22 00:23:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_msix_mask [2022-11-22 00:23:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-22 00:23:10,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-22 00:23:10,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-22 00:23:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 00:23:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-22 00:23:10,110 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_tx_watchdog [2022-11-22 00:23:10,110 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_tx_watchdog [2022-11-22 00:23:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-22 00:23:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-22 00:23:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-22 00:23:10,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-22 00:23:10,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-22 00:23:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-22 00:23:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-22 00:23:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-22 00:23:10,112 INFO L130 BoogieDeclarations]: Found specification of procedure u64_stats_update_begin [2022-11-22 00:23:10,112 INFO L138 BoogieDeclarations]: Found implementation of procedure u64_stats_update_begin [2022-11-22 00:23:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_all_queues [2022-11-22 00:23:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_all_queues [2022-11-22 00:23:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_blockpool_blocks_remove [2022-11-22 00:23:10,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_blockpool_blocks_remove [2022-11-22 00:23:10,113 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2022-11-22 00:23:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_dynamic_tti_rtimer_set [2022-11-22 00:23:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-22 00:23:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-22 00:23:10,114 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_remove [2022-11-22 00:23:10,114 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_remove [2022-11-22 00:23:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_debug_set [2022-11-22 00:23:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_debug_set [2022-11-22 00:23:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure do_vxge_close [2022-11-22 00:23:10,115 INFO L138 BoogieDeclarations]: Found implementation of procedure do_vxge_close [2022-11-22 00:23:10,115 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-22 00:23:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-22 00:23:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-11-22 00:23:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-11-22 00:23:10,116 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-22 00:23:10,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-22 00:23:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-22 00:23:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-22 00:23:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_register_poll [2022-11-22 00:23:10,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_register_poll [2022-11-22 00:23:10,117 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_channel_free [2022-11-22 00:23:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_channel_free [2022-11-22 00:23:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_netpoll [2022-11-22 00:23:10,118 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_netpoll [2022-11-22 00:23:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-22 00:23:10,118 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-22 00:23:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-22 00:23:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_fifo_abort [2022-11-22 00:23:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_fifo_abort [2022-11-22 00:23:10,119 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-22 00:23:10,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-22 00:23:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-22 00:23:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-22 00:23:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-22 00:23:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-22 00:23:10,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-22 00:23:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-22 00:23:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_device_is_privilaged [2022-11-22 00:23:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_device_is_privilaged [2022-11-22 00:23:10,121 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vp_terminate [2022-11-22 00:23:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vp_terminate [2022-11-22 00:23:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-22 00:23:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-22 00:23:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-22 00:23:10,122 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-22 00:23:10,122 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-11-22 00:23:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-11-22 00:23:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_ring_rxd_post_post_wmb [2022-11-22 00:23:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_ring_rxd_post_post_wmb [2022-11-22 00:23:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_vpath_fw_api [2022-11-22 00:23:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_vpath_fw_api [2022-11-22 00:23:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-22 00:23:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-22 00:23:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_initialize [2022-11-22 00:23:10,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_initialize [2022-11-22 00:23:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_device_flick_link_led [2022-11-22 00:23:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_device_flick_link_led [2022-11-22 00:23:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_rts_rth_data0_data1_get [2022-11-22 00:23:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_rts_rth_data0_data1_get [2022-11-22 00:23:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 00:23:10,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-22 00:23:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-22 00:23:10,126 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-22 00:23:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure vmalloc [2022-11-22 00:23:10,126 INFO L138 BoogieDeclarations]: Found implementation of procedure vmalloc [2022-11-22 00:23:10,126 INFO L130 BoogieDeclarations]: Found specification of procedure is_multicast_ether_addr [2022-11-22 00:23:10,127 INFO L138 BoogieDeclarations]: Found implementation of procedure is_multicast_ether_addr [2022-11-22 00:23:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_2_6 [2022-11-22 00:23:10,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_2_6 [2022-11-22 00:23:10,127 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_ethtool_get_regs_len [2022-11-22 00:23:10,127 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_ethtool_get_regs_len [2022-11-22 00:23:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-22 00:23:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-22 00:23:10,128 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_complete [2022-11-22 00:23:10,128 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_complete [2022-11-22 00:23:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-22 00:23:10,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-22 00:23:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_os_timer [2022-11-22 00:23:10,129 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_os_timer [2022-11-22 00:23:10,129 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_ring_reset [2022-11-22 00:23:10,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_ring_reset [2022-11-22 00:23:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure __vxge_hw_vpath_xmac_rx_stats_get [2022-11-22 00:23:10,130 INFO L138 BoogieDeclarations]: Found implementation of procedure __vxge_hw_vpath_xmac_rx_stats_get [2022-11-22 00:23:10,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-22 00:23:10,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-22 00:23:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_hw_channel_dtr_free [2022-11-22 00:23:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_hw_channel_dtr_free [2022-11-22 00:23:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 00:23:10,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-22 00:23:10,131 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-22 00:23:10,132 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-22 00:23:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure vxge_callback_crit_err [2022-11-22 00:23:10,132 INFO L138 BoogieDeclarations]: Found implementation of procedure vxge_callback_crit_err [2022-11-22 00:23:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:23:10,132 INFO L130 BoogieDeclarations]: Found specification of procedure readq [2022-11-22 00:23:10,133 INFO L138 BoogieDeclarations]: Found implementation of procedure readq [2022-11-22 00:23:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-22 00:23:10,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-22 00:23:10,133 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-22 00:23:10,134 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2022-11-22 00:23:10,134 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2022-11-22 00:23:13,398 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:23:13,416 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:23:19,423 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-22 00:29:27,911 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-22 00:29:28,278 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:29:34,946 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:29:34,946 INFO L300 CfgBuilder]: Removed 249 assume(true) statements. [2022-11-22 00:29:34,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:29:34 BoogieIcfgContainer [2022-11-22 00:29:34,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:29:34,963 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:29:34,963 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:29:34,967 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:29:34,967 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:22:53" (1/3) ... [2022-11-22 00:29:34,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcd700a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:29:34, skipping insertion in model container [2022-11-22 00:29:34,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:23:07" (2/3) ... [2022-11-22 00:29:34,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dcd700a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:29:34, skipping insertion in model container [2022-11-22 00:29:34,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:29:34" (3/3) ... [2022-11-22 00:29:34,971 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-neterion-vxge-vxge.cil.i [2022-11-22 00:29:34,994 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:29:34,994 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-22 00:29:35,159 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:29:35,171 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@55c0e075, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:29:35,171 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-22 00:29:35,195 INFO L276 IsEmpty]: Start isEmpty. Operand has 4943 states, 3232 states have (on average 1.3969678217821782) internal successors, (4515), 3312 states have internal predecessors, (4515), 1421 states have call successors, (1421), 289 states have call predecessors, (1421), 288 states have return successors, (1412), 1392 states have call predecessors, (1412), 1412 states have call successors, (1412) [2022-11-22 00:29:35,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-22 00:29:35,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:29:35,247 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:29:35,247 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-22 00:29:35,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:29:35,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1515017634, now seen corresponding path program 1 times [2022-11-22 00:29:35,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:29:35,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238577446] [2022-11-22 00:29:35,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:29:35,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:29:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:29:37,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2022-11-22 00:29:37,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:29:37,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238577446] [2022-11-22 00:29:37,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238577446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:29:37,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:29:37,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:29:37,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212163300] [2022-11-22 00:29:37,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:29:37,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:29:37,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:29:37,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:29:37,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:29:37,608 INFO L87 Difference]: Start difference. First operand has 4943 states, 3232 states have (on average 1.3969678217821782) internal successors, (4515), 3312 states have internal predecessors, (4515), 1421 states have call successors, (1421), 289 states have call predecessors, (1421), 288 states have return successors, (1412), 1392 states have call predecessors, (1412), 1412 states have call successors, (1412) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 00:29:39,791 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:29:44,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:29:45,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:29:47,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:29:50,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:29:56,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:29:58,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:30:02,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:30:05,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:30:12,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:30:14,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:30:16,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:30:20,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:30:22,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:30:24,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:30:24,499 INFO L93 Difference]: Finished difference Result 14151 states and 21355 transitions. [2022-11-22 00:30:24,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:30:24,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 211 [2022-11-22 00:30:24,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:30:24,588 INFO L225 Difference]: With dead ends: 14151 [2022-11-22 00:30:24,589 INFO L226 Difference]: Without dead ends: 9232 [2022-11-22 00:30:24,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:30:24,631 INFO L413 NwaCegarLoop]: 8524 mSDtfsCounter, 6442 mSDsluCounter, 6429 mSDsCounter, 0 mSdLazyCounter, 1779 mSolverCounterSat, 11 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6447 SdHoareTripleChecker+Valid, 14953 SdHoareTripleChecker+Invalid, 1801 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 1779 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:30:24,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6447 Valid, 14953 Invalid, 1801 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [11 Valid, 1779 Invalid, 11 Unknown, 0 Unchecked, 46.1s Time] [2022-11-22 00:30:24,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9232 states. [2022-11-22 00:30:25,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9232 to 9224. [2022-11-22 00:30:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9224 states, 6066 states have (on average 1.3977909660402241) internal successors, (8479), 6206 states have internal predecessors, (8479), 2601 states have call successors, (2601), 554 states have call predecessors, (2601), 553 states have return successors, (2602), 2556 states have call predecessors, (2602), 2597 states have call successors, (2602) [2022-11-22 00:30:25,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9224 states to 9224 states and 13682 transitions. [2022-11-22 00:30:25,505 INFO L78 Accepts]: Start accepts. Automaton has 9224 states and 13682 transitions. Word has length 211 [2022-11-22 00:30:25,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:30:25,511 INFO L495 AbstractCegarLoop]: Abstraction has 9224 states and 13682 transitions. [2022-11-22 00:30:25,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-11-22 00:30:25,512 INFO L276 IsEmpty]: Start isEmpty. Operand 9224 states and 13682 transitions. [2022-11-22 00:30:25,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2022-11-22 00:30:25,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:30:25,527 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:30:25,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:30:25,527 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-22 00:30:25,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:30:25,532 INFO L85 PathProgramCache]: Analyzing trace with hash 73806561, now seen corresponding path program 1 times [2022-11-22 00:30:25,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:30:25,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349136073] [2022-11-22 00:30:25,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:30:25,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:30:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:30:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1406 trivial. 0 not checked. [2022-11-22 00:30:27,467 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:30:27,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349136073] [2022-11-22 00:30:27,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349136073] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:30:27,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:30:27,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 00:30:27,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684687741] [2022-11-22 00:30:27,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:30:27,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 00:30:27,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:30:27,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 00:30:27,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:30:27,471 INFO L87 Difference]: Start difference. First operand 9224 states and 13682 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-22 00:30:29,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:30:40,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:30:42,356 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:30:43,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:30:44,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:30:53,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:31:13,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:31:15,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:31:24,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:31:27,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:31:47,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:31:50,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:31:52,430 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:31:54,345 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.85s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:31:55,594 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:31:59,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:02,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:05,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:08,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:12,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:14,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:17,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:23,581 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:25,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:32:25,658 INFO L93 Difference]: Finished difference Result 33237 states and 49099 transitions. [2022-11-22 00:32:25,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-22 00:32:25,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 231 [2022-11-22 00:32:25,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:32:25,846 INFO L225 Difference]: With dead ends: 33237 [2022-11-22 00:32:25,846 INFO L226 Difference]: Without dead ends: 24052 [2022-11-22 00:32:25,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:32:25,903 INFO L413 NwaCegarLoop]: 9881 mSDtfsCounter, 14720 mSDsluCounter, 15227 mSDsCounter, 0 mSdLazyCounter, 10170 mSolverCounterSat, 2344 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 112.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14854 SdHoareTripleChecker+Valid, 25108 SdHoareTripleChecker+Invalid, 12527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.3s SdHoareTripleChecker+Time, 2344 IncrementalHoareTripleChecker+Valid, 10170 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 116.5s IncrementalHoareTripleChecker+Time [2022-11-22 00:32:25,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14854 Valid, 25108 Invalid, 12527 Unknown, 0 Unchecked, 0.3s Time], IncrementalHoareTripleChecker [2344 Valid, 10170 Invalid, 13 Unknown, 0 Unchecked, 116.5s Time] [2022-11-22 00:32:25,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24052 states. [2022-11-22 00:32:27,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24052 to 23678. [2022-11-22 00:32:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23678 states, 15237 states have (on average 1.3616853711360504) internal successors, (20748), 15645 states have internal predecessors, (20748), 6876 states have call successors, (6876), 1567 states have call predecessors, (6876), 1561 states have return successors, (7299), 6724 states have call predecessors, (7299), 6872 states have call successors, (7299) [2022-11-22 00:32:27,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23678 states to 23678 states and 34923 transitions. [2022-11-22 00:32:27,589 INFO L78 Accepts]: Start accepts. Automaton has 23678 states and 34923 transitions. Word has length 231 [2022-11-22 00:32:27,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:32:27,591 INFO L495 AbstractCegarLoop]: Abstraction has 23678 states and 34923 transitions. [2022-11-22 00:32:27,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-22 00:32:27,591 INFO L276 IsEmpty]: Start isEmpty. Operand 23678 states and 34923 transitions. [2022-11-22 00:32:27,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-11-22 00:32:27,606 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:32:27,606 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:32:27,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:32:27,607 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-22 00:32:27,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:32:27,617 INFO L85 PathProgramCache]: Analyzing trace with hash 844065206, now seen corresponding path program 1 times [2022-11-22 00:32:27,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:32:27,618 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94196221] [2022-11-22 00:32:27,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:32:27,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:32:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:32:29,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-11-22 00:32:29,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:32:29,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94196221] [2022-11-22 00:32:29,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94196221] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:32:29,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:32:29,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:32:29,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768192024] [2022-11-22 00:32:29,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:32:29,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:32:29,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:32:29,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:32:29,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:32:29,300 INFO L87 Difference]: Start difference. First operand 23678 states and 34923 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-22 00:32:31,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:35,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:38,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:42,408 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:46,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:51,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:53,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:56,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:32:59,746 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:33:05,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:33:08,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:33:10,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:33:11,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:33:15,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:33:19,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:33:22,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:33:22,686 INFO L93 Difference]: Finished difference Result 70344 states and 105033 transitions. [2022-11-22 00:33:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:33:22,687 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 240 [2022-11-22 00:33:22,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:33:22,976 INFO L225 Difference]: With dead ends: 70344 [2022-11-22 00:33:22,977 INFO L226 Difference]: Without dead ends: 46705 [2022-11-22 00:33:23,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:33:23,373 INFO L413 NwaCegarLoop]: 9790 mSDtfsCounter, 6692 mSDsluCounter, 6506 mSDsCounter, 0 mSdLazyCounter, 1954 mSolverCounterSat, 6 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 49.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6693 SdHoareTripleChecker+Valid, 16296 SdHoareTripleChecker+Invalid, 1971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1954 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 51.4s IncrementalHoareTripleChecker+Time [2022-11-22 00:33:23,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6693 Valid, 16296 Invalid, 1971 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 1954 Invalid, 11 Unknown, 0 Unchecked, 51.4s Time] [2022-11-22 00:33:23,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46705 states. [2022-11-22 00:33:26,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46705 to 46645. [2022-11-22 00:33:26,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46645 states, 30063 states have (on average 1.3624056148754282) internal successors, (40958), 30850 states have internal predecessors, (40958), 13488 states have call successors, (13488), 3093 states have call predecessors, (13488), 3090 states have return successors, (15628), 13206 states have call predecessors, (15628), 13484 states have call successors, (15628) [2022-11-22 00:33:26,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46645 states to 46645 states and 70074 transitions. [2022-11-22 00:33:26,466 INFO L78 Accepts]: Start accepts. Automaton has 46645 states and 70074 transitions. Word has length 240 [2022-11-22 00:33:26,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:33:26,468 INFO L495 AbstractCegarLoop]: Abstraction has 46645 states and 70074 transitions. [2022-11-22 00:33:26,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-22 00:33:26,469 INFO L276 IsEmpty]: Start isEmpty. Operand 46645 states and 70074 transitions. [2022-11-22 00:33:26,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2022-11-22 00:33:26,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:33:26,481 INFO L195 NwaCegarLoop]: trace histogram [20, 19, 19, 19, 19, 19, 19, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:33:26,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 00:33:26,481 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-22 00:33:26,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:33:26,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1054336045, now seen corresponding path program 1 times [2022-11-22 00:33:26,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:33:26,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381763739] [2022-11-22 00:33:26,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:33:26,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:33:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:33:27,874 INFO L134 CoverageAnalysis]: Checked inductivity of 1412 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2022-11-22 00:33:27,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:33:27,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381763739] [2022-11-22 00:33:27,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381763739] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:33:27,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:33:27,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:33:27,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105877545] [2022-11-22 00:33:27,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:33:27,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:33:27,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:33:27,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:33:27,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:33:27,877 INFO L87 Difference]: Start difference. First operand 46645 states and 70074 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-22 00:33:30,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:33:37,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:33:39,248 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:33:40,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:33:43,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:33:51,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:33:53,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:33:55,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:33:57,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:01,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:34:03,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:11,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:13,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:20,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:22,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:34:22,980 INFO L93 Difference]: Finished difference Result 114928 states and 172189 transitions. [2022-11-22 00:34:22,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:34:22,982 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 257 [2022-11-22 00:34:22,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:34:23,561 INFO L225 Difference]: With dead ends: 114928 [2022-11-22 00:34:23,561 INFO L226 Difference]: Without dead ends: 68322 [2022-11-22 00:34:23,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:34:23,793 INFO L413 NwaCegarLoop]: 10415 mSDtfsCounter, 6324 mSDsluCounter, 6424 mSDsCounter, 0 mSdLazyCounter, 2210 mSolverCounterSat, 19 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6328 SdHoareTripleChecker+Valid, 16839 SdHoareTripleChecker+Invalid, 2240 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 2210 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:34:23,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6328 Valid, 16839 Invalid, 2240 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [19 Valid, 2210 Invalid, 11 Unknown, 0 Unchecked, 52.0s Time] [2022-11-22 00:34:23,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68322 states. [2022-11-22 00:34:26,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68322 to 68279. [2022-11-22 00:34:26,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68279 states, 44093 states have (on average 1.361281836119112) internal successors, (60023), 45277 states have internal predecessors, (60023), 19595 states have call successors, (19595), 4608 states have call predecessors, (19595), 4587 states have return successors, (22310), 19143 states have call predecessors, (22310), 19591 states have call successors, (22310) [2022-11-22 00:34:27,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68279 states to 68279 states and 101928 transitions. [2022-11-22 00:34:27,589 INFO L78 Accepts]: Start accepts. Automaton has 68279 states and 101928 transitions. Word has length 257 [2022-11-22 00:34:27,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:34:27,594 INFO L495 AbstractCegarLoop]: Abstraction has 68279 states and 101928 transitions. [2022-11-22 00:34:27,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (31), 2 states have call predecessors, (31), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-22 00:34:27,595 INFO L276 IsEmpty]: Start isEmpty. Operand 68279 states and 101928 transitions. [2022-11-22 00:34:27,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-11-22 00:34:27,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:34:27,602 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:34:27,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 00:34:27,603 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-22 00:34:27,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:34:27,603 INFO L85 PathProgramCache]: Analyzing trace with hash 703213884, now seen corresponding path program 1 times [2022-11-22 00:34:27,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:34:27,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827967311] [2022-11-22 00:34:27,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:34:27,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:34:28,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:34:29,235 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2022-11-22 00:34:29,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:34:29,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827967311] [2022-11-22 00:34:29,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827967311] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:34:29,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:34:29,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:34:29,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826160164] [2022-11-22 00:34:29,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:34:29,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:34:29,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:34:29,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:34:29,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:34:29,239 INFO L87 Difference]: Start difference. First operand 68279 states and 101928 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-22 00:34:31,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:39,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:41,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:45,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:47,500 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:51,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:53,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:56,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:34:59,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:35:04,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:06,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:09,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:10,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:12,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:17,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:18,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:35:18,882 INFO L93 Difference]: Finished difference Result 122510 states and 184555 transitions. [2022-11-22 00:35:18,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:35:18,884 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 263 [2022-11-22 00:35:18,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:35:19,486 INFO L225 Difference]: With dead ends: 122510 [2022-11-22 00:35:19,487 INFO L226 Difference]: Without dead ends: 75902 [2022-11-22 00:35:19,695 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:35:19,696 INFO L413 NwaCegarLoop]: 7464 mSDtfsCounter, 1337 mSDsluCounter, 6664 mSDsCounter, 0 mSdLazyCounter, 1779 mSolverCounterSat, 5 mSolverCounterUnsat, 12 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1631 SdHoareTripleChecker+Valid, 14128 SdHoareTripleChecker+Invalid, 1796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1779 IncrementalHoareTripleChecker+Invalid, 12 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.7s IncrementalHoareTripleChecker+Time [2022-11-22 00:35:19,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1631 Valid, 14128 Invalid, 1796 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 1779 Invalid, 12 Unknown, 0 Unchecked, 46.7s Time] [2022-11-22 00:35:19,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75902 states. [2022-11-22 00:35:22,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75902 to 68411. [2022-11-22 00:35:22,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68411 states, 44225 states have (on average 1.362102882984737) internal successors, (60239), 45409 states have internal predecessors, (60239), 19595 states have call successors, (19595), 4608 states have call predecessors, (19595), 4587 states have return successors, (22310), 19143 states have call predecessors, (22310), 19591 states have call successors, (22310) [2022-11-22 00:35:23,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68411 states to 68411 states and 102144 transitions. [2022-11-22 00:35:23,522 INFO L78 Accepts]: Start accepts. Automaton has 68411 states and 102144 transitions. Word has length 263 [2022-11-22 00:35:23,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:35:23,522 INFO L495 AbstractCegarLoop]: Abstraction has 68411 states and 102144 transitions. [2022-11-22 00:35:23,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-22 00:35:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 68411 states and 102144 transitions. [2022-11-22 00:35:23,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-11-22 00:35:23,531 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:35:23,531 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:35:23,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 00:35:23,531 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-22 00:35:23,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:35:23,532 INFO L85 PathProgramCache]: Analyzing trace with hash 679741359, now seen corresponding path program 1 times [2022-11-22 00:35:23,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:35:23,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692694223] [2022-11-22 00:35:23,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:35:23,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:35:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:35:24,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2022-11-22 00:35:24,864 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:35:24,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692694223] [2022-11-22 00:35:24,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692694223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:35:24,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:35:24,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:35:24,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133284893] [2022-11-22 00:35:24,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:35:24,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:35:24,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:35:24,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:35:24,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:35:24,866 INFO L87 Difference]: Start difference. First operand 68411 states and 102144 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-22 00:35:26,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:34,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:36,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:38,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:43,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:49,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:51,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:53,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:35:57,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-22 00:36:02,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:04,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:06,210 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:08,448 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:10,633 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:12,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:15,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:36:15,769 INFO L93 Difference]: Finished difference Result 122678 states and 184795 transitions. [2022-11-22 00:36:15,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:36:15,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 264 [2022-11-22 00:36:15,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:36:16,439 INFO L225 Difference]: With dead ends: 122678 [2022-11-22 00:36:16,439 INFO L226 Difference]: Without dead ends: 75938 [2022-11-22 00:36:16,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:36:16,614 INFO L413 NwaCegarLoop]: 7352 mSDtfsCounter, 1325 mSDsluCounter, 6640 mSDsCounter, 0 mSdLazyCounter, 1743 mSolverCounterSat, 7 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1619 SdHoareTripleChecker+Valid, 13992 SdHoareTripleChecker+Invalid, 1761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1743 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.6s IncrementalHoareTripleChecker+Time [2022-11-22 00:36:16,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1619 Valid, 13992 Invalid, 1761 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 1743 Invalid, 11 Unknown, 0 Unchecked, 47.6s Time] [2022-11-22 00:36:16,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75938 states. [2022-11-22 00:36:19,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75938 to 68411. [2022-11-22 00:36:19,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68411 states, 44225 states have (on average 1.3612888637648388) internal successors, (60203), 45409 states have internal predecessors, (60203), 19595 states have call successors, (19595), 4608 states have call predecessors, (19595), 4587 states have return successors, (22310), 19143 states have call predecessors, (22310), 19591 states have call successors, (22310) [2022-11-22 00:36:20,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68411 states to 68411 states and 102108 transitions. [2022-11-22 00:36:20,241 INFO L78 Accepts]: Start accepts. Automaton has 68411 states and 102108 transitions. Word has length 264 [2022-11-22 00:36:20,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:36:20,241 INFO L495 AbstractCegarLoop]: Abstraction has 68411 states and 102108 transitions. [2022-11-22 00:36:20,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-22 00:36:20,242 INFO L276 IsEmpty]: Start isEmpty. Operand 68411 states and 102108 transitions. [2022-11-22 00:36:20,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-22 00:36:20,249 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:36:20,249 INFO L195 NwaCegarLoop]: trace histogram [23, 19, 19, 19, 19, 19, 19, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:36:20,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 00:36:20,249 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-22 00:36:20,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:36:20,250 INFO L85 PathProgramCache]: Analyzing trace with hash -230405105, now seen corresponding path program 1 times [2022-11-22 00:36:20,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:36:20,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619406099] [2022-11-22 00:36:20,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:36:20,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:36:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:36:21,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1550 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1541 trivial. 0 not checked. [2022-11-22 00:36:21,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:36:21,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619406099] [2022-11-22 00:36:21,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619406099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:36:21,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:36:21,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 00:36:21,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798870750] [2022-11-22 00:36:21,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:36:21,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:36:21,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:36:21,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:36:21,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:36:21,694 INFO L87 Difference]: Start difference. First operand 68411 states and 102108 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-22 00:36:23,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:31,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:33,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:34,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-22 00:36:37,692 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []