./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-stmicro-stmmac-stmmac.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 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_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW --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 dc77dba7d0a42d28a45b5d35d96b429d0886353a9713255eb9fc5a14ecd01454 --- 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-4e7fbc6 [2022-11-23 13:49:08,383 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 13:49:08,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 13:49:08,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 13:49:08,422 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 13:49:08,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 13:49:08,424 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 13:49:08,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 13:49:08,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 13:49:08,447 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 13:49:08,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 13:49:08,451 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 13:49:08,451 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 13:49:08,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 13:49:08,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 13:49:08,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 13:49:08,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 13:49:08,460 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 13:49:08,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 13:49:08,463 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 13:49:08,464 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 13:49:08,468 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 13:49:08,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 13:49:08,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 13:49:08,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 13:49:08,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 13:49:08,484 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 13:49:08,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 13:49:08,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 13:49:08,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 13:49:08,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 13:49:08,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 13:49:08,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 13:49:08,488 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 13:49:08,489 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 13:49:08,489 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 13:49:08,490 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 13:49:08,490 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 13:49:08,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 13:49:08,491 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 13:49:08,492 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 13:49:08,497 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 13:49:08,535 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 13:49:08,535 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 13:49:08,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 13:49:08,536 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 13:49:08,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 13:49:08,537 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 13:49:08,537 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 13:49:08,538 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 13:49:08,538 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 13:49:08,538 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 13:49:08,539 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 13:49:08,539 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 13:49:08,539 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 13:49:08,539 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 13:49:08,540 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 13:49:08,540 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 13:49:08,540 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 13:49:08,540 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 13:49:08,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 13:49:08,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 13:49:08,541 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 13:49:08,541 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 13:49:08,541 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 13:49:08,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 13:49:08,542 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 13:49:08,542 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 13:49:08,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 13:49:08,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 13:49:08,543 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 13:49:08,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:49:08,543 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 13:49:08,544 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 13:49:08,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 13:49:08,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 13:49:08,544 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 13:49:08,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 13:49:08,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 13:49:08,545 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 13:49:08,545 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_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dc77dba7d0a42d28a45b5d35d96b429d0886353a9713255eb9fc5a14ecd01454 [2022-11-23 13:49:08,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 13:49:08,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 13:49:08,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 13:49:08,921 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 13:49:08,921 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 13:49:08,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-23 13:49:12,003 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 13:49:13,017 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 13:49:13,018 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-23 13:49:13,146 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/data/a29c272fb/7b063d66ebb6433092cdbef2d48b881e/FLAG91526cf51 [2022-11-23 13:49:13,591 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/data/a29c272fb/7b063d66ebb6433092cdbef2d48b881e [2022-11-23 13:49:13,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 13:49:13,595 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 13:49:13,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 13:49:13,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 13:49:13,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 13:49:13,603 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:49:13" (1/1) ... [2022-11-23 13:49:13,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7299b53a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:13, skipping insertion in model container [2022-11-23 13:49:13,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:49:13" (1/1) ... [2022-11-23 13:49:13,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 13:49:13,949 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 13:49:24,558 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_ec985688-924f-4454-9395-55198dc62aaa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886222,886235] [2022-11-23 13:49:24,562 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_ec985688-924f-4454-9395-55198dc62aaa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886391,886404] [2022-11-23 13:49:24,563 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_ec985688-924f-4454-9395-55198dc62aaa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886558,886571] [2022-11-23 13:49:24,564 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_ec985688-924f-4454-9395-55198dc62aaa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886726,886739] [2022-11-23 13:49:24,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:49:24,815 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 13:49:25,546 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_ec985688-924f-4454-9395-55198dc62aaa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886222,886235] [2022-11-23 13:49:25,546 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_ec985688-924f-4454-9395-55198dc62aaa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886391,886404] [2022-11-23 13:49:25,547 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_ec985688-924f-4454-9395-55198dc62aaa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886558,886571] [2022-11-23 13:49:25,547 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_ec985688-924f-4454-9395-55198dc62aaa/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i[886726,886739] [2022-11-23 13:49:25,562 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 13:49:26,388 INFO L208 MainTranslator]: Completed translation [2022-11-23 13:49:26,389 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:26 WrapperNode [2022-11-23 13:49:26,389 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 13:49:26,390 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 13:49:26,390 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 13:49:26,390 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 13:49:26,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:26" (1/1) ... [2022-11-23 13:49:26,700 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:26" (1/1) ... [2022-11-23 13:49:28,436 INFO L138 Inliner]: procedures = 1123, calls = 12755, calls flagged for inlining = 622, calls inlined = 584, statements flattened = 22602 [2022-11-23 13:49:28,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 13:49:28,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 13:49:28,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 13:49:28,440 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 13:49:28,450 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:26" (1/1) ... [2022-11-23 13:49:28,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:26" (1/1) ... [2022-11-23 13:49:28,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:26" (1/1) ... [2022-11-23 13:49:28,968 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:26" (1/1) ... [2022-11-23 13:49:30,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:26" (1/1) ... [2022-11-23 13:49:30,239 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:26" (1/1) ... [2022-11-23 13:49:30,571 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:26" (1/1) ... [2022-11-23 13:49:30,652 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:26" (1/1) ... [2022-11-23 13:49:30,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 13:49:30,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 13:49:30,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 13:49:30,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 13:49:30,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:26" (1/1) ... [2022-11-23 13:49:30,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 13:49:30,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:49:31,002 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 13:49:31,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 13:49:31,047 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_coalesce [2022-11-23 13:49:31,048 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_coalesce [2022-11-23 13:49:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-11-23 13:49:31,048 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-11-23 13:49:31,048 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_owner [2022-11-23 13:49:31,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_owner [2022-11-23 13:49:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 13:49:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 13:49:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_watchdog [2022-11-23 13:49:31,049 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_watchdog [2022-11-23 13:49:31,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 13:49:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 13:49:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_filter [2022-11-23 13:49:31,050 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_filter [2022-11-23 13:49:31,050 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 13:49:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 13:49:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_sset_count [2022-11-23 13:49:31,051 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_sset_count [2022-11-23 13:49:31,051 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 13:49:31,052 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 13:49:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2022-11-23 13:49:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2022-11-23 13:49:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 13:49:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-23 13:49:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-23 13:49:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~VOID [2022-11-23 13:49:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3___0 [2022-11-23 13:49:31,054 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3___0 [2022-11-23 13:49:31,054 INFO L130 BoogieDeclarations]: Found specification of procedure ehn_desc_tx_set_on_chain [2022-11-23 13:49:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ehn_desc_tx_set_on_chain [2022-11-23 13:49:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 13:49:31,055 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 13:49:31,055 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 13:49:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 13:49:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_probe [2022-11-23 13:49:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_probe [2022-11-23 13:49:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_poll_controller [2022-11-23 13:49:31,056 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_poll_controller [2022-11-23 13:49:31,056 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 13:49:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 13:49:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_suspend [2022-11-23 13:49:31,057 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_suspend [2022-11-23 13:49:31,057 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable_eee_mode [2022-11-23 13:49:31,058 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable_eee_mode [2022-11-23 13:49:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-23 13:49:31,058 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-23 13:49:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_101 [2022-11-23 13:49:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_101 [2022-11-23 13:49:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-23 13:49:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-23 13:49:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure clk_unprepare [2022-11-23 13:49:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_unprepare [2022-11-23 13:49:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_operation_mode [2022-11-23 13:49:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_operation_mode [2022-11-23 13:49:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_ctrl_ane [2022-11-23 13:49:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_ctrl_ane [2022-11-23 13:49:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 13:49:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 13:49:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-23 13:49:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~TO~int [2022-11-23 13:49:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_16kib_bfsize [2022-11-23 13:49:31,061 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_16kib_bfsize [2022-11-23 13:49:31,061 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_timer [2022-11-23 13:49:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_timer [2022-11-23 13:49:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 13:49:31,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 13:49:31,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 13:49:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-23 13:49:31,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~TO~VOID [2022-11-23 13:49:31,063 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 13:49:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 13:49:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_release_tx_desc [2022-11-23 13:49:31,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_release_tx_desc [2022-11-23 13:49:31,064 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_dump_regs [2022-11-23 13:49:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_dump_regs [2022-11-23 13:49:31,065 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 13:49:31,065 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 13:49:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_mac_regs [2022-11-23 13:49:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_mac_regs [2022-11-23 13:49:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_ls [2022-11-23 13:49:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_ls [2022-11-23 13:49:31,066 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_close_tx_desc [2022-11-23 13:49:31,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_close_tx_desc [2022-11-23 13:49:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure napi_enable [2022-11-23 13:49:31,067 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_enable [2022-11-23 13:49:31,067 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_core_init [2022-11-23 13:49:31,068 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_core_init [2022-11-23 13:49:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 13:49:31,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 13:49:31,068 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_phys [2022-11-23 13:49:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_phys [2022-11-23 13:49:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 13:49:31,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-23 13:49:31,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-23 13:49:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 13:49:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 13:49:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_3 [2022-11-23 13:49:31,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_3 [2022-11-23 13:49:31,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-23 13:49:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-23 13:49:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-23 13:49:31,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-23 13:49:31,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-23 13:49:31,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-23 13:49:31,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 13:49:31,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 13:49:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_6 [2022-11-23 13:49:31,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_6 [2022-11-23 13:49:31,076 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_tx_skbufs [2022-11-23 13:49:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_tx_skbufs [2022-11-23 13:49:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_8 [2022-11-23 13:49:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_8 [2022-11-23 13:49:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 13:49:31,077 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 13:49:31,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 13:49:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 13:49:31,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 13:49:31,078 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_rx_ipc_enable [2022-11-23 13:49:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_rx_ipc_enable [2022-11-23 13:49:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 13:49:31,163 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_status [2022-11-23 13:49:31,163 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_status [2022-11-23 13:49:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 13:49:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-23 13:49:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-23 13:49:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-11-23 13:49:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-11-23 13:49:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_stmmac_priv [2022-11-23 13:49:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_stmmac_priv [2022-11-23 13:49:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_adv [2022-11-23 13:49:31,164 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_adv [2022-11-23 13:49:31,164 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 13:49:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 13:49:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure print_pkt [2022-11-23 13:49:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure print_pkt [2022-11-23 13:49:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 13:49:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2022-11-23 13:49:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_fix_mac_speed [2022-11-23 13:49:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_fix_mac_speed [2022-11-23 13:49:31,165 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable [2022-11-23 13:49:31,165 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable [2022-11-23 13:49:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 13:49:31,166 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 13:49:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_addend [2022-11-23 13:49:31,166 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_addend [2022-11-23 13:49:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_transmission [2022-11-23 13:49:31,166 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_transmission [2022-11-23 13:49:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 13:49:31,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 13:49:31,166 INFO L130 BoogieDeclarations]: Found specification of procedure device_can_wakeup [2022-11-23 13:49:31,167 INFO L138 BoogieDeclarations]: Found implementation of procedure device_can_wakeup [2022-11-23 13:49:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_suspend [2022-11-23 13:49:31,167 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_suspend [2022-11-23 13:49:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_pauseparam [2022-11-23 13:49:31,167 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_pauseparam [2022-11-23 13:49:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_free_rx_buffers [2022-11-23 13:49:31,167 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_free_rx_buffers [2022-11-23 13:49:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 13:49:31,167 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 13:49:31,167 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_dma_chain [2022-11-23 13:49:31,168 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_dma_chain [2022-11-23 13:49:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_frame_len [2022-11-23 13:49:31,168 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_frame_len [2022-11-23 13:49:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_rx_desc [2022-11-23 13:49:31,168 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_rx_desc [2022-11-23 13:49:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_interrupt [2022-11-23 13:49:31,168 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_interrupt [2022-11-23 13:49:31,168 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_rx_desc [2022-11-23 13:49:31,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_rx_desc [2022-11-23 13:49:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac_addr [2022-11-23 13:49:31,169 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac_addr [2022-11-23 13:49:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 13:49:31,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 13:49:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_status [2022-11-23 13:49:31,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_status [2022-11-23 13:49:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-23 13:49:31,169 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-23 13:49:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_reset_eee_mode [2022-11-23 13:49:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_reset_eee_mode [2022-11-23 13:49:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_enable_tx_timestamp [2022-11-23 13:49:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_enable_tx_timestamp [2022-11-23 13:49:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2022-11-23 13:49:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2022-11-23 13:49:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_rx_owner [2022-11-23 13:49:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_rx_owner [2022-11-23 13:49:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 13:49:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 13:49:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~int~X~int~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-23 13:49:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_display_ring [2022-11-23 13:49:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_display_ring [2022-11-23 13:49:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_unregister [2022-11-23 13:49:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_unregister [2022-11-23 13:49:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 13:49:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 13:49:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-23 13:49:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_timestamp_status [2022-11-23 13:49:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_timestamp_status [2022-11-23 13:49:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 13:49:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 13:49:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_stmmac_priv [2022-11-23 13:49:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_stmmac_priv [2022-11-23 13:49:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_pls [2022-11-23 13:49:31,172 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_pls [2022-11-23 13:49:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_enable_tx_timestamp [2022-11-23 13:49:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_enable_tx_timestamp [2022-11-23 13:49:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_rx_ipc_enable [2022-11-23 13:49:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_rx_ipc_enable [2022-11-23 13:49:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-23 13:49:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-23 13:49:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-23 13:49:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2022-11-23 13:49:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ethtool_stats [2022-11-23 13:49:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ethtool_stats [2022-11-23 13:49:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 13:49:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 13:49:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_rx_buffers [2022-11-23 13:49:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_rx_buffers [2022-11-23 13:49:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-23 13:49:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-23 13:49:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_setup [2022-11-23 13:49:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_setup [2022-11-23 13:49:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64 [2022-11-23 13:49:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64 [2022-11-23 13:49:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-23 13:49:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-23 13:49:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-23 13:49:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-23 13:49:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 13:49:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_umac_addr [2022-11-23 13:49:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_umac_addr [2022-11-23 13:49:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_len [2022-11-23 13:49:31,176 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_len [2022-11-23 13:49:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-23 13:49:31,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2022-11-23 13:49:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 13:49:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-23 13:49:31,176 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-23 13:49:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_pmt [2022-11-23 13:49:31,176 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_pmt [2022-11-23 13:49:31,176 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_timestamp_status [2022-11-23 13:49:31,176 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_timestamp_status [2022-11-23 13:49:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure clk_get_rate [2022-11-23 13:49:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_get_rate [2022-11-23 13:49:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_release [2022-11-23 13:49:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_release [2022-11-23 13:49:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_enable_dma_irq [2022-11-23 13:49:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_enable_dma_irq [2022-11-23 13:49:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_timeout [2022-11-23 13:49:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_timeout [2022-11-23 13:49:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 13:49:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 13:49:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_systime [2022-11-23 13:49:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_systime [2022-11-23 13:49:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 13:49:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 13:49:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 13:49:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 13:49:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_time [2022-11-23 13:49:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_time [2022-11-23 13:49:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_62 [2022-11-23 13:49:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_62 [2022-11-23 13:49:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_core_init [2022-11-23 13:49:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_core_init [2022-11-23 13:49:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_hw_feature [2022-11-23 13:49:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_hw_feature [2022-11-23 13:49:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setsettings [2022-11-23 13:49:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setsettings [2022-11-23 13:49:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc_array [2022-11-23 13:49:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc_array [2022-11-23 13:49:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-23 13:49:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-23 13:49:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2022-11-23 13:49:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2022-11-23 13:49:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_rx_owner [2022-11-23 13:49:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_rx_owner [2022-11-23 13:49:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 13:49:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 13:49:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_ls [2022-11-23 13:49:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_ls [2022-11-23 13:49:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_hw_init [2022-11-23 13:49:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_hw_init [2022-11-23 13:49:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 13:49:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure clk_prepare_enable [2022-11-23 13:49:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_prepare_enable [2022-11-23 13:49:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_set_filter [2022-11-23 13:49:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_set_filter [2022-11-23 13:49:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 13:49:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 13:49:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-11-23 13:49:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-11-23 13:49:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_jumbo_frm [2022-11-23 13:49:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_jumbo_frm [2022-11-23 13:49:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_100 [2022-11-23 13:49:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_100 [2022-11-23 13:49:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_freq [2022-11-23 13:49:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_freq [2022-11-23 13:49:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure phy_disconnect [2022-11-23 13:49:31,181 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_disconnect [2022-11-23 13:49:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure device_may_wakeup [2022-11-23 13:49:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure device_may_wakeup [2022-11-23 13:49:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-23 13:49:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-23 13:49:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2022-11-23 13:49:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2022-11-23 13:49:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tstamp_tx [2022-11-23 13:49:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tstamp_tx [2022-11-23 13:49:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_time [2022-11-23 13:49:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_time [2022-11-23 13:49:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2022-11-23 13:49:31,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~~u64~0 [2022-11-23 13:49:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure phy_stop [2022-11-23 13:49:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_stop [2022-11-23 13:49:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-23 13:49:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-23 13:49:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_release_tx_desc [2022-11-23 13:49:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_release_tx_desc [2022-11-23 13:49:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_timestamp_status [2022-11-23 13:49:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_timestamp_status [2022-11-23 13:49:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_eee_mode [2022-11-23 13:49:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_eee_mode [2022-11-23 13:49:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_eee_mode [2022-11-23 13:49:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_eee_mode [2022-11-23 13:49:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_gregs [2022-11-23 13:49:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_gregs [2022-11-23 13:49:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_remove [2022-11-23 13:49:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_remove [2022-11-23 13:49:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_set_tx_owner [2022-11-23 13:49:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_set_tx_owner [2022-11-23 13:49:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-23 13:49:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-23 13:49:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 13:49:31,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 13:49:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_avail [2022-11-23 13:49:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_avail [2022-11-23 13:49:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_remove [2022-11-23 13:49:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_remove [2022-11-23 13:49:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_83 [2022-11-23 13:49:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_83 [2022-11-23 13:49:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_len [2022-11-23 13:49:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_len [2022-11-23 13:49:31,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 13:49:31,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 13:49:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dma_interrupt [2022-11-23 13:49:31,186 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dma_interrupt [2022-11-23 13:49:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-23 13:49:31,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~bool~0~TO~VOID [2022-11-23 13:49:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-23 13:49:31,186 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-23 13:49:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_tx_status [2022-11-23 13:49:31,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_tx_status [2022-11-23 13:49:31,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_63 [2022-11-23 13:49:31,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_63 [2022-11-23 13:49:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_mac [2022-11-23 13:49:31,187 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_mac [2022-11-23 13:49:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pltfr_resume [2022-11-23 13:49:31,187 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pltfr_resume [2022-11-23 13:49:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 13:49:31,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 13:49:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_init_desc3 [2022-11-23 13:49:31,187 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_init_desc3 [2022-11-23 13:49:31,187 INFO L130 BoogieDeclarations]: Found specification of procedure usecs_to_jiffies [2022-11-23 13:49:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure usecs_to_jiffies [2022-11-23 13:49:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-23 13:49:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-23 13:49:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 13:49:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 13:49:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 13:49:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 13:49:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 13:49:31,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 13:49:31,188 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_mac_addr [2022-11-23 13:49:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_mac_addr [2022-11-23 13:49:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_flush_tx_fifo [2022-11-23 13:49:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_flush_tx_fifo [2022-11-23 13:49:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 13:49:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_open [2022-11-23 13:49:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_open [2022-11-23 13:49:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_remove [2022-11-23 13:49:31,189 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_remove [2022-11-23 13:49:31,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-23 13:49:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~VOID [2022-11-23 13:49:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_rx_owner [2022-11-23 13:49:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_rx_owner [2022-11-23 13:49:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer_sync [2022-11-23 13:49:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer_sync [2022-11-23 13:49:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_ts_info [2022-11-23 13:49:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_ts_info [2022-11-23 13:49:31,190 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_setmsglevel [2022-11-23 13:49:31,190 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_setmsglevel [2022-11-23 13:49:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 13:49:31,191 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 13:49:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_get_regs_len [2022-11-23 13:49:31,191 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_get_regs_len [2022-11-23 13:49:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_prepare_tx_desc [2022-11-23 13:49:31,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_prepare_tx_desc [2022-11-23 13:49:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 13:49:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-23 13:49:31,191 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-23 13:49:31,191 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_timestamp_status [2022-11-23 13:49:31,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_timestamp_status [2022-11-23 13:49:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_hw_tstamping [2022-11-23 13:49:31,192 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_hw_tstamping [2022-11-23 13:49:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_flow_ctrl [2022-11-23 13:49:31,192 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_flow_ctrl [2022-11-23 13:49:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-23 13:49:31,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-23 13:49:31,192 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_link [2022-11-23 13:49:31,192 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_link [2022-11-23 13:49:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_eee_init [2022-11-23 13:49:31,193 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_eee_init [2022-11-23 13:49:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 13:49:31,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 13:49:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 13:49:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure init_dma_desc_rings [2022-11-23 13:49:31,193 INFO L138 BoogieDeclarations]: Found implementation of procedure init_dma_desc_rings [2022-11-23 13:49:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 13:49:31,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 13:49:31,193 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_init [2022-11-23 13:49:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_init [2022-11-23 13:49:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 13:49:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 13:49:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 13:49:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 13:49:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_set_tx_owner [2022-11-23 13:49:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_set_tx_owner [2022-11-23 13:49:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 13:49:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 13:49:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_systime [2022-11-23 13:49:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_systime [2022-11-23 13:49:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_hw_features [2022-11-23 13:49:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_hw_features [2022-11-23 13:49:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-23 13:49:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-23 13:49:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_tx [2022-11-23 13:49:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_tx [2022-11-23 13:49:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_clean [2022-11-23 13:49:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_clean [2022-11-23 13:49:31,195 INFO L130 BoogieDeclarations]: Found specification of procedure div_u64_rem [2022-11-23 13:49:31,195 INFO L138 BoogieDeclarations]: Found implementation of procedure div_u64_rem [2022-11-23 13:49:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_interrupt [2022-11-23 13:49:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_interrupt [2022-11-23 13:49:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_get_umac_addr [2022-11-23 13:49:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_get_umac_addr [2022-11-23 13:49:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_probe [2022-11-23 13:49:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_probe [2022-11-23 13:49:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure seq_lseek [2022-11-23 13:49:31,196 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_lseek [2022-11-23 13:49:31,196 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-23 13:49:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-23 13:49:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_ext_status [2022-11-23 13:49:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_ext_status [2022-11-23 13:49:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_probe [2022-11-23 13:49:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_probe [2022-11-23 13:49:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_timestamp [2022-11-23 13:49:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_timestamp [2022-11-23 13:49:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-23 13:49:31,197 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-23 13:49:31,197 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_stop_rx [2022-11-23 13:49:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_stop_rx [2022-11-23 13:49:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_resume [2022-11-23 13:49:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_resume [2022-11-23 13:49:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dma_diagnostic_fr [2022-11-23 13:49:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dma_diagnostic_fr [2022-11-23 13:49:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma_desc_resources [2022-11-23 13:49:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma_desc_resources [2022-11-23 13:49:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_mdio_reset [2022-11-23 13:49:31,198 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_mdio_reset [2022-11-23 13:49:31,198 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clean_desc3 [2022-11-23 13:49:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clean_desc3 [2022-11-23 13:49:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 13:49:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 13:49:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_enable [2022-11-23 13:49:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_enable [2022-11-23 13:49:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_set_eee [2022-11-23 13:49:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_set_eee [2022-11-23 13:49:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 13:49:31,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 13:49:31,199 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_init_tx_desc [2022-11-23 13:49:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_init_tx_desc [2022-11-23 13:49:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_init_tx_desc [2022-11-23 13:49:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_init_tx_desc [2022-11-23 13:49:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_close_tx_desc [2022-11-23 13:49:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_close_tx_desc [2022-11-23 13:49:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_irq_status [2022-11-23 13:49:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_irq_status [2022-11-23 13:49:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_wol [2022-11-23 13:49:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_wol [2022-11-23 13:49:31,200 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_systime [2022-11-23 13:49:31,200 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_systime [2022-11-23 13:49:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_set_umac_addr [2022-11-23 13:49:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_set_umac_addr [2022-11-23 13:49:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_clear_tx_ic [2022-11-23 13:49:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_clear_tx_ic [2022-11-23 13:49:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-23 13:49:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-23 13:49:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-23 13:49:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-23 13:49:31,201 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ioctl [2022-11-23 13:49:31,201 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ioctl [2022-11-23 13:49:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-23 13:49:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-23 13:49:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-23 13:49:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-23 13:49:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_unregister_platform [2022-11-23 13:49:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_unregister_platform [2022-11-23 13:49:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_irq_status [2022-11-23 13:49:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_irq_status [2022-11-23 13:49:31,202 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_timestamp [2022-11-23 13:49:31,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_timestamp [2022-11-23 13:49:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_owner [2022-11-23 13:49:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_owner [2022-11-23 13:49:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 13:49:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 13:49:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 13:49:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 13:49:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 13:49:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_rx_mode [2022-11-23 13:49:31,203 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_rx_mode [2022-11-23 13:49:31,203 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-23 13:49:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-23 13:49:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-11-23 13:49:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-11-23 13:49:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-23 13:49:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-23 13:49:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_display_ring [2022-11-23 13:49:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_display_ring [2022-11-23 13:49:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2022-11-23 13:49:31,204 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2022-11-23 13:49:31,204 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getdrvinfo [2022-11-23 13:49:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getdrvinfo [2022-11-23 13:49:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config_sub_second_increment [2022-11-23 13:49:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config_sub_second_increment [2022-11-23 13:49:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 13:49:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 13:49:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_check_if_running [2022-11-23 13:49:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_check_if_running [2022-11-23 13:49:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_get_umac_addr [2022-11-23 13:49:31,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_get_umac_addr [2022-11-23 13:49:31,205 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_op_get_eee [2022-11-23 13:49:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_op_get_eee [2022-11-23 13:49:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac1000_pmt [2022-11-23 13:49:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac1000_pmt [2022-11-23 13:49:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-11-23 13:49:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-11-23 13:49:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-23 13:49:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-23 13:49:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-23 13:49:31,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-23 13:49:31,206 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 13:49:31,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 13:49:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_refill_desc3 [2022-11-23 13:49:31,207 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_refill_desc3 [2022-11-23 13:49:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_clear_descriptors [2022-11-23 13:49:31,207 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_clear_descriptors [2022-11-23 13:49:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-23 13:49:31,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2022-11-23 13:49:31,207 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_flow_ctrl [2022-11-23 13:49:31,207 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_flow_ctrl [2022-11-23 13:49:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 13:49:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_dma_cap_open [2022-11-23 13:49:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_dma_cap_open [2022-11-23 13:49:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-23 13:49:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-23 13:49:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure phy_start [2022-11-23 13:49:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure phy_start [2022-11-23 13:49:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-23 13:49:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-23 13:49:31,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-23 13:49:31,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-23 13:49:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 13:49:31,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 13:49:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure clk_disable_unprepare [2022-11-23 13:49:31,209 INFO L138 BoogieDeclarations]: Found implementation of procedure clk_disable_unprepare [2022-11-23 13:49:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-23 13:49:31,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-23 13:49:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_disable_dma_irq [2022-11-23 13:49:31,209 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_disable_dma_irq [2022-11-23 13:49:31,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_84 [2022-11-23 13:49:31,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_84 [2022-11-23 13:49:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-23 13:49:31,210 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-23 13:49:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 13:49:31,210 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 13:49:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure single_open [2022-11-23 13:49:31,210 INFO L138 BoogieDeclarations]: Found implementation of procedure single_open [2022-11-23 13:49:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure irq_set_irq_wake [2022-11-23 13:49:31,210 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_set_irq_wake [2022-11-23 13:49:31,210 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_dvr_remove [2022-11-23 13:49:31,210 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_dvr_remove [2022-11-23 13:49:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_status [2022-11-23 13:49:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_status [2022-11-23 13:49:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_rx [2022-11-23 13:49:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_rx [2022-11-23 13:49:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-23 13:49:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-23 13:49:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 13:49:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 13:49:31,211 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_is_jumbo_frm [2022-11-23 13:49:31,211 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_is_jumbo_frm [2022-11-23 13:49:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure debugfs_create_file [2022-11-23 13:49:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure debugfs_create_file [2022-11-23 13:49:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_sysfs_ring_open [2022-11-23 13:49:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_sysfs_ring_open [2022-11-23 13:49:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_get_tx_owner [2022-11-23 13:49:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_get_tx_owner [2022-11-23 13:49:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure single_release [2022-11-23 13:49:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure single_release [2022-11-23 13:49:31,212 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_irq_byname [2022-11-23 13:49:31,212 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_irq_byname [2022-11-23 13:49:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_tx_err [2022-11-23 13:49:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_tx_err [2022-11-23 13:49:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 13:49:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 13:49:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_dma_start_tx [2022-11-23 13:49:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_dma_start_tx [2022-11-23 13:49:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 13:49:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 13:49:31,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_63 [2022-11-23 13:49:31,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_63 [2022-11-23 13:49:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_prepare_tx_desc [2022-11-23 13:49:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_prepare_tx_desc [2022-11-23 13:49:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_get_rx_frame_len [2022-11-23 13:49:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_get_rx_frame_len [2022-11-23 13:49:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-23 13:49:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-23 13:49:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure ndesc_tx_set_on_chain [2022-11-23 13:49:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ndesc_tx_set_on_chain [2022-11-23 13:49:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_pauseparam [2022-11-23 13:49:31,214 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_pauseparam [2022-11-23 13:49:31,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 13:49:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 13:49:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-11-23 13:49:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-11-23 13:49:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac100_dump_dma_regs [2022-11-23 13:49:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac100_dump_dma_regs [2022-11-23 13:49:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_change_mtu [2022-11-23 13:49:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_change_mtu [2022-11-23 13:49:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-23 13:49:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-23 13:49:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_ethtool_getsettings [2022-11-23 13:49:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_ethtool_getsettings [2022-11-23 13:49:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-23 13:49:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-23 13:49:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 13:49:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-23 13:49:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_set_coalesce [2022-11-23 13:49:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_set_coalesce [2022-11-23 13:49:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-23 13:49:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-23 13:49:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure dwmac_disable_dma_irq [2022-11-23 13:49:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure dwmac_disable_dma_irq [2022-11-23 13:49:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_get_wol [2022-11-23 13:49:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_get_wol [2022-11-23 13:49:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure enh_desc_clear_tx_ic [2022-11-23 13:49:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure enh_desc_clear_tx_ic [2022-11-23 13:49:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 13:49:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-23 13:49:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-11-23 13:49:31,217 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_config [2022-11-23 13:49:31,217 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_config [2022-11-23 13:49:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2022-11-23 13:49:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_stmmac_exit_21_2 [2022-11-23 13:49:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_adjust_time [2022-11-23 13:49:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_adjust_time [2022-11-23 13:49:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 13:49:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 13:49:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-11-23 13:49:31,218 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-11-23 13:49:31,218 INFO L130 BoogieDeclarations]: Found specification of procedure stmmac_pci_resume [2022-11-23 13:49:31,219 INFO L138 BoogieDeclarations]: Found implementation of procedure stmmac_pci_resume [2022-11-23 13:49:31,219 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_ptp_lock_of_stmmac_priv [2022-11-23 13:49:31,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_ptp_lock_of_stmmac_priv [2022-11-23 13:49:33,662 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 13:49:33,672 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 13:49:33,938 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 13:50:13,569 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 13:50:14,044 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 13:50:21,356 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 13:50:21,356 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-11-23 13:50:21,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:50:21 BoogieIcfgContainer [2022-11-23 13:50:21,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 13:50:21,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 13:50:21,369 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 13:50:21,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 13:50:21,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:49:13" (1/3) ... [2022-11-23 13:50:21,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c58bf1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:50:21, skipping insertion in model container [2022-11-23 13:50:21,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:26" (2/3) ... [2022-11-23 13:50:21,373 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c58bf1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:50:21, skipping insertion in model container [2022-11-23 13:50:21,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:50:21" (3/3) ... [2022-11-23 13:50:21,375 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-stmicro-stmmac-stmmac.cil.i [2022-11-23 13:50:21,394 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 13:50:21,394 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-23 13:50:21,536 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 13:50:21,545 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;@5b8a0a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 13:50:21,545 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-23 13:50:21,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 5126 states, 3066 states have (on average 1.3209393346379648) internal successors, (4050), 3164 states have internal predecessors, (4050), 1731 states have call successors, (1731), 327 states have call predecessors, (1731), 326 states have return successors, (1717), 1659 states have call predecessors, (1717), 1717 states have call successors, (1717) [2022-11-23 13:50:21,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 820 [2022-11-23 13:50:21,632 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:50:21,633 INFO L195 NwaCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:50:21,634 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 13:50:21,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:50:21,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1030676648, now seen corresponding path program 1 times [2022-11-23 13:50:21,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:50:21,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322779936] [2022-11-23 13:50:21,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:50:21,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:50:22,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:50:25,408 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2022-11-23 13:50:25,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:50:25,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322779936] [2022-11-23 13:50:25,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322779936] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:50:25,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:50:25,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:50:25,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549595360] [2022-11-23 13:50:25,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:50:25,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:50:25,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:50:25,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:50:25,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:50:25,477 INFO L87 Difference]: Start difference. First operand has 5126 states, 3066 states have (on average 1.3209393346379648) internal successors, (4050), 3164 states have internal predecessors, (4050), 1731 states have call successors, (1731), 327 states have call predecessors, (1731), 326 states have return successors, (1717), 1659 states have call predecessors, (1717), 1717 states have call successors, (1717) Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2022-11-23 13:50:29,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:31,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:40,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:41,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:50:41,593 INFO L93 Difference]: Finished difference Result 14939 states and 22292 transitions. [2022-11-23 13:50:41,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:50:41,596 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) Word has length 819 [2022-11-23 13:50:41,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:50:41,710 INFO L225 Difference]: With dead ends: 14939 [2022-11-23 13:50:41,711 INFO L226 Difference]: Without dead ends: 9956 [2022-11-23 13:50:41,750 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 [2022-11-23 13:50:41,753 INFO L413 NwaCegarLoop]: 7948 mSDtfsCounter, 7110 mSDsluCounter, 6312 mSDsCounter, 0 mSdLazyCounter, 2297 mSolverCounterSat, 17 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7115 SdHoareTripleChecker+Valid, 14260 SdHoareTripleChecker+Invalid, 2316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 2297 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:50:41,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7115 Valid, 14260 Invalid, 2316 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [17 Valid, 2297 Invalid, 2 Unknown, 0 Unchecked, 15.2s Time] [2022-11-23 13:50:41,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9956 states. [2022-11-23 13:50:42,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9956 to 9950. [2022-11-23 13:50:42,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9950 states, 5988 states have (on average 1.320307281229125) internal successors, (7906), 6183 states have internal predecessors, (7906), 3312 states have call successors, (3312), 649 states have call predecessors, (3312), 647 states have return successors, (3309), 3190 states have call predecessors, (3309), 3308 states have call successors, (3309) [2022-11-23 13:50:42,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9950 states to 9950 states and 14527 transitions. [2022-11-23 13:50:42,625 INFO L78 Accepts]: Start accepts. Automaton has 9950 states and 14527 transitions. Word has length 819 [2022-11-23 13:50:42,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:50:42,628 INFO L495 AbstractCegarLoop]: Abstraction has 9950 states and 14527 transitions. [2022-11-23 13:50:42,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2022-11-23 13:50:42,629 INFO L276 IsEmpty]: Start isEmpty. Operand 9950 states and 14527 transitions. [2022-11-23 13:50:42,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 827 [2022-11-23 13:50:42,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:50:42,663 INFO L195 NwaCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:50:42,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 13:50:42,664 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 13:50:42,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:50:42,665 INFO L85 PathProgramCache]: Analyzing trace with hash 786598973, now seen corresponding path program 1 times [2022-11-23 13:50:42,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:50:42,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595753197] [2022-11-23 13:50:42,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:50:42,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:50:43,382 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:50:43,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1065999521] [2022-11-23 13:50:43,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:50:43,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:50:43,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:50:43,389 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:50:43,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 13:50:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:50:49,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 20651 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 13:50:49,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:50:49,462 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 25280 trivial. 0 not checked. [2022-11-23 13:50:49,463 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:50:49,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:50:49,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595753197] [2022-11-23 13:50:49,463 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:50:49,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065999521] [2022-11-23 13:50:49,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1065999521] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:50:49,464 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:50:49,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:50:49,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118576172] [2022-11-23 13:50:49,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:50:49,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:50:49,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:50:49,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:50:49,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:50:49,468 INFO L87 Difference]: Start difference. First operand 9950 states and 14527 transitions. Second operand has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2022-11-23 13:50:54,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:50:56,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:03,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:06,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:06,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:06,487 INFO L93 Difference]: Finished difference Result 29345 states and 42815 transitions. [2022-11-23 13:51:06,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:51:06,488 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) Word has length 826 [2022-11-23 13:51:06,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:06,630 INFO L225 Difference]: With dead ends: 29345 [2022-11-23 13:51:06,630 INFO L226 Difference]: Without dead ends: 19556 [2022-11-23 13:51:06,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 825 GetRequests, 824 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:51:06,697 INFO L413 NwaCegarLoop]: 7963 mSDtfsCounter, 7124 mSDsluCounter, 6202 mSDsCounter, 0 mSdLazyCounter, 2319 mSolverCounterSat, 20 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7128 SdHoareTripleChecker+Valid, 14165 SdHoareTripleChecker+Invalid, 2341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2319 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:06,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7128 Valid, 14165 Invalid, 2341 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 2319 Invalid, 2 Unknown, 0 Unchecked, 16.2s Time] [2022-11-23 13:51:06,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19556 states. [2022-11-23 13:51:07,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19556 to 19515. [2022-11-23 13:51:07,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19515 states, 11801 states have (on average 1.3232776883314974) internal successors, (15616), 12189 states have internal predecessors, (15616), 6421 states have call successors, (6421), 1294 states have call predecessors, (6421), 1290 states have return successors, (6419), 6177 states have call predecessors, (6419), 6417 states have call successors, (6419) [2022-11-23 13:51:08,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19515 states to 19515 states and 28456 transitions. [2022-11-23 13:51:08,083 INFO L78 Accepts]: Start accepts. Automaton has 19515 states and 28456 transitions. Word has length 826 [2022-11-23 13:51:08,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:51:08,085 INFO L495 AbstractCegarLoop]: Abstraction has 19515 states and 28456 transitions. [2022-11-23 13:51:08,086 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.0) internal successors, (102), 3 states have internal predecessors, (102), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2022-11-23 13:51:08,086 INFO L276 IsEmpty]: Start isEmpty. Operand 19515 states and 28456 transitions. [2022-11-23 13:51:08,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2022-11-23 13:51:08,099 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:08,100 INFO L195 NwaCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:51:08,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 13:51:08,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-23 13:51:08,311 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 13:51:08,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:08,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1226117775, now seen corresponding path program 1 times [2022-11-23 13:51:08,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:51:08,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823902780] [2022-11-23 13:51:08,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:08,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:51:09,175 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 13:51:09,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1639956244] [2022-11-23 13:51:09,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:09,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:51:09,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 13:51:09,205 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 13:51:09,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 13:51:14,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:15,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 20652 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 13:51:15,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 13:51:15,191 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 25280 trivial. 0 not checked. [2022-11-23 13:51:15,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 13:51:15,191 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:51:15,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823902780] [2022-11-23 13:51:15,192 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 13:51:15,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1639956244] [2022-11-23 13:51:15,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1639956244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:51:15,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:51:15,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:51:15,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312145939] [2022-11-23 13:51:15,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:51:15,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:51:15,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:51:15,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:51:15,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:51:15,195 INFO L87 Difference]: Start difference. First operand 19515 states and 28456 transitions. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2022-11-23 13:51:18,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:21,192 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:31,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:31,882 INFO L93 Difference]: Finished difference Result 57714 states and 84130 transitions. [2022-11-23 13:51:31,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:51:31,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) Word has length 827 [2022-11-23 13:51:31,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:32,107 INFO L225 Difference]: With dead ends: 57714 [2022-11-23 13:51:32,107 INFO L226 Difference]: Without dead ends: 38360 [2022-11-23 13:51:32,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 826 GetRequests, 825 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:51:32,222 INFO L413 NwaCegarLoop]: 8023 mSDtfsCounter, 7105 mSDsluCounter, 6202 mSDsCounter, 0 mSdLazyCounter, 2343 mSolverCounterSat, 20 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7111 SdHoareTripleChecker+Valid, 14225 SdHoareTripleChecker+Invalid, 2365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 2343 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:32,225 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7111 Valid, 14225 Invalid, 2365 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 2343 Invalid, 2 Unknown, 0 Unchecked, 15.4s Time] [2022-11-23 13:51:32,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38360 states. [2022-11-23 13:51:34,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38360 to 38315. [2022-11-23 13:51:34,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38315 states, 23257 states have (on average 1.3254504020294966) internal successors, (30826), 24035 states have internal predecessors, (30826), 12493 states have call successors, (12493), 2570 states have call predecessors, (12493), 2562 states have return successors, (12501), 12001 states have call predecessors, (12501), 12489 states have call successors, (12501) [2022-11-23 13:51:35,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38315 states to 38315 states and 55820 transitions. [2022-11-23 13:51:35,066 INFO L78 Accepts]: Start accepts. Automaton has 38315 states and 55820 transitions. Word has length 827 [2022-11-23 13:51:35,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:51:35,069 INFO L495 AbstractCegarLoop]: Abstraction has 38315 states and 55820 transitions. [2022-11-23 13:51:35,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 3 states have call successors, (87), 3 states have call predecessors, (87), 3 states have return successors, (84), 3 states have call predecessors, (84), 3 states have call successors, (84) [2022-11-23 13:51:35,069 INFO L276 IsEmpty]: Start isEmpty. Operand 38315 states and 55820 transitions. [2022-11-23 13:51:35,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 835 [2022-11-23 13:51:35,082 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:51:35,083 INFO L195 NwaCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:51:35,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 13:51:35,307 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec985688-924f-4454-9395-55198dc62aaa/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 13:51:35,308 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 13:51:35,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:51:35,308 INFO L85 PathProgramCache]: Analyzing trace with hash 1319323309, now seen corresponding path program 1 times [2022-11-23 13:51:35,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:51:35,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007293928] [2022-11-23 13:51:35,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:51:35,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:51:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:51:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2022-11-23 13:51:38,042 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:51:38,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2007293928] [2022-11-23 13:51:38,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2007293928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:51:38,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:51:38,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:51:38,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159053514] [2022-11-23 13:51:38,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:51:38,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:51:38,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:51:38,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:51:38,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:51:38,047 INFO L87 Difference]: Start difference. First operand 38315 states and 55820 transitions. Second operand has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2022-11-23 13:51:42,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:44,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:50,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:52,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:51:58,189 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 [] [2022-11-23 13:51:58,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:51:58,760 INFO L93 Difference]: Finished difference Result 113302 states and 165034 transitions. [2022-11-23 13:51:58,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:51:58,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) Word has length 834 [2022-11-23 13:51:58,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:51:59,353 INFO L225 Difference]: With dead ends: 113302 [2022-11-23 13:51:59,353 INFO L226 Difference]: Without dead ends: 75148 [2022-11-23 13:51:59,527 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 [2022-11-23 13:51:59,528 INFO L413 NwaCegarLoop]: 7905 mSDtfsCounter, 6938 mSDsluCounter, 6321 mSDsCounter, 0 mSdLazyCounter, 2251 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6944 SdHoareTripleChecker+Valid, 14226 SdHoareTripleChecker+Invalid, 2256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2251 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.1s IncrementalHoareTripleChecker+Time [2022-11-23 13:51:59,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6944 Valid, 14226 Invalid, 2256 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 2251 Invalid, 4 Unknown, 0 Unchecked, 18.1s Time] [2022-11-23 13:51:59,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75148 states. [2022-11-23 13:52:03,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75148 to 75093. [2022-11-23 13:52:03,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 75093 states, 45615 states have (on average 1.3276334539077057) internal successors, (60560), 47183 states have internal predecessors, (60560), 24387 states have call successors, (24387), 5104 states have call predecessors, (24387), 5088 states have return successors, (24431), 23389 states have call predecessors, (24431), 24383 states have call successors, (24431) [2022-11-23 13:52:04,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75093 states to 75093 states and 109378 transitions. [2022-11-23 13:52:04,287 INFO L78 Accepts]: Start accepts. Automaton has 75093 states and 109378 transitions. Word has length 834 [2022-11-23 13:52:04,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 13:52:04,288 INFO L495 AbstractCegarLoop]: Abstraction has 75093 states and 109378 transitions. [2022-11-23 13:52:04,288 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.0) internal successors, (111), 3 states have internal predecessors, (111), 3 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (83), 3 states have call predecessors, (83), 3 states have call successors, (83) [2022-11-23 13:52:04,288 INFO L276 IsEmpty]: Start isEmpty. Operand 75093 states and 109378 transitions. [2022-11-23 13:52:04,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 840 [2022-11-23 13:52:04,301 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 13:52:04,302 INFO L195 NwaCegarLoop]: trace histogram [81, 80, 80, 80, 80, 80, 80, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 13:52:04,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 13:52:04,302 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-11-23 13:52:04,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 13:52:04,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1967145497, now seen corresponding path program 1 times [2022-11-23 13:52:04,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 13:52:04,303 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508197393] [2022-11-23 13:52:04,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 13:52:04,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 13:52:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 13:52:06,954 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25440 trivial. 0 not checked. [2022-11-23 13:52:06,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 13:52:06,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508197393] [2022-11-23 13:52:06,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508197393] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 13:52:06,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 13:52:06,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 13:52:06,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403520086] [2022-11-23 13:52:06,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 13:52:06,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 13:52:06,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 13:52:06,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 13:52:06,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 13:52:06,958 INFO L87 Difference]: Start difference. First operand 75093 states and 109378 transitions. Second operand has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (85), 3 states have call predecessors, (85), 3 states have call successors, (85) [2022-11-23 13:52:11,503 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 [] [2022-11-23 13:52:17,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:19,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:25,589 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:27,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-23 13:52:31,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 13:52:31,223 INFO L93 Difference]: Finished difference Result 224588 states and 331292 transitions. [2022-11-23 13:52:31,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 13:52:31,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 36.666666666666664) internal successors, (110), 3 states have internal predecessors, (110), 3 states have call successors, (90), 2 states have call predecessors, (90), 1 states have return successors, (85), 3 states have call predecessors, (85), 3 states have call successors, (85) Word has length 839 [2022-11-23 13:52:31,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 13:52:32,432 INFO L225 Difference]: With dead ends: 224588 [2022-11-23 13:52:32,432 INFO L226 Difference]: Without dead ends: 149656 [2022-11-23 13:52:33,007 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 [2022-11-23 13:52:33,007 INFO L413 NwaCegarLoop]: 8146 mSDtfsCounter, 7315 mSDsluCounter, 6429 mSDsCounter, 0 mSdLazyCounter, 2268 mSolverCounterSat, 5 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7319 SdHoareTripleChecker+Valid, 14575 SdHoareTripleChecker+Invalid, 2277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2268 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.5s IncrementalHoareTripleChecker+Time [2022-11-23 13:52:33,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7319 Valid, 14575 Invalid, 2277 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 2268 Invalid, 4 Unknown, 0 Unchecked, 18.5s Time] [2022-11-23 13:52:33,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149656 states.