./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-oki-semi-pch_gbe-pch_gbe.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c7366-d57d-472c-a9da-1266fd28d5ce/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c7366-d57d-472c-a9da-1266fd28d5ce/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_dd5c7366-d57d-472c-a9da-1266fd28d5ce/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c7366-d57d-472c-a9da-1266fd28d5ce/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c7366-d57d-472c-a9da-1266fd28d5ce/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_dd5c7366-d57d-472c-a9da-1266fd28d5ce/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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- 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 15:25:05,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:25:05,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:25:05,756 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:25:05,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:25:05,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:25:05,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:25:05,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:25:05,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:25:05,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:25:05,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:25:05,781 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:25:05,781 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:25:05,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:25:05,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:25:05,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:25:05,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:25:05,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:25:05,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:25:05,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:25:05,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:25:05,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:25:05,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:25:05,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:25:05,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:25:05,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:25:05,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:25:05,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:25:05,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:25:05,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:25:05,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:25:05,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:25:05,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:25:05,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:25:05,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:25:05,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:25:05,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:25:05,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:25:05,812 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:25:05,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:25:05,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:25:05,818 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c7366-d57d-472c-a9da-1266fd28d5ce/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:25:05,874 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:25:05,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:25:05,875 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:25:05,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:25:05,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:25:05,877 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:25:05,877 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:25:05,877 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:25:05,877 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:25:05,878 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:25:05,879 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:25:05,879 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:25:05,879 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:25:05,879 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:25:05,879 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:25:05,880 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:25:05,880 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:25:05,880 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:25:05,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:25:05,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:25:05,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:25:05,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:25:05,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:25:05,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:25:05,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:25:05,882 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:25:05,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:25:05,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:25:05,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:25:05,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:25:05,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:25:05,884 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:25:05,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:25:05,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:25:05,885 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:25:05,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:25:05,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:25:05,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:25:05,886 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_dd5c7366-d57d-472c-a9da-1266fd28d5ce/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c7366-d57d-472c-a9da-1266fd28d5ce/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2022-11-23 15:25:06,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:25:06,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:25:06,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:25:06,205 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:25:06,206 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:25:06,207 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c7366-d57d-472c-a9da-1266fd28d5ce/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-23 15:25:09,307 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:25:10,174 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:25:10,176 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c7366-d57d-472c-a9da-1266fd28d5ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-23 15:25:10,279 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c7366-d57d-472c-a9da-1266fd28d5ce/bin/utaipan-Q6hlc19bkW/data/57f3bc4af/2d36197ad1fa495793ceac9680d38f84/FLAG2b57084f7 [2022-11-23 15:25:10,298 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c7366-d57d-472c-a9da-1266fd28d5ce/bin/utaipan-Q6hlc19bkW/data/57f3bc4af/2d36197ad1fa495793ceac9680d38f84 [2022-11-23 15:25:10,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:25:10,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:25:10,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:25:10,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:25:10,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:25:10,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:25:10" (1/1) ... [2022-11-23 15:25:10,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696a297f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:10, skipping insertion in model container [2022-11-23 15:25:10,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:25:10" (1/1) ... [2022-11-23 15:25:10,324 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:25:10,685 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:25:16,169 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_dd5c7366-d57d-472c-a9da-1266fd28d5ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-11-23 15:25:16,174 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_dd5c7366-d57d-472c-a9da-1266fd28d5ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-11-23 15:25:16,174 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_dd5c7366-d57d-472c-a9da-1266fd28d5ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-11-23 15:25:16,175 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_dd5c7366-d57d-472c-a9da-1266fd28d5ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-11-23 15:25:16,206 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:25:16,266 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:25:16,882 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_dd5c7366-d57d-472c-a9da-1266fd28d5ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-11-23 15:25:16,883 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_dd5c7366-d57d-472c-a9da-1266fd28d5ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-11-23 15:25:16,884 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_dd5c7366-d57d-472c-a9da-1266fd28d5ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-11-23 15:25:16,884 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_dd5c7366-d57d-472c-a9da-1266fd28d5ce/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-11-23 15:25:16,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:25:17,317 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:25:17,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:17 WrapperNode [2022-11-23 15:25:17,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:25:17,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:25:17,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:25:17,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:25:17,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:17" (1/1) ... [2022-11-23 15:25:17,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:17" (1/1) ... [2022-11-23 15:25:17,828 INFO L138 Inliner]: procedures = 703, calls = 6575, calls flagged for inlining = 364, calls inlined = 322, statements flattened = 11596 [2022-11-23 15:25:17,829 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:25:17,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:25:17,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:25:17,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:25:17,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:17" (1/1) ... [2022-11-23 15:25:17,841 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:17" (1/1) ... [2022-11-23 15:25:17,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:17" (1/1) ... [2022-11-23 15:25:17,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:17" (1/1) ... [2022-11-23 15:25:18,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:17" (1/1) ... [2022-11-23 15:25:18,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:17" (1/1) ... [2022-11-23 15:25:18,393 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:17" (1/1) ... [2022-11-23 15:25:18,435 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:17" (1/1) ... [2022-11-23 15:25:18,518 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:25:18,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:25:18,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:25:18,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:25:18,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:17" (1/1) ... [2022-11-23 15:25:18,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:25:18,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c7366-d57d-472c-a9da-1266fd28d5ce/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:25:18,561 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c7366-d57d-472c-a9da-1266fd28d5ce/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:25:18,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd5c7366-d57d-472c-a9da-1266fd28d5ce/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:25:18,615 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2022-11-23 15:25:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2022-11-23 15:25:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-23 15:25:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-23 15:25:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2022-11-23 15:25:18,616 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2022-11-23 15:25:18,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-23 15:25:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-23 15:25:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-23 15:25:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-23 15:25:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-11-23 15:25:18,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-11-23 15:25:18,617 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2022-11-23 15:25:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2022-11-23 15:25:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-23 15:25:18,618 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-23 15:25:18,618 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:25:18,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:25:18,619 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2022-11-23 15:25:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2022-11-23 15:25:18,620 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2022-11-23 15:25:18,620 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2022-11-23 15:25:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-23 15:25:18,621 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-23 15:25:18,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:25:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-23 15:25:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2022-11-23 15:25:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2022-11-23 15:25:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2022-11-23 15:25:18,622 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2022-11-23 15:25:18,622 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2022-11-23 15:25:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2022-11-23 15:25:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-23 15:25:18,623 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-23 15:25:18,623 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-23 15:25:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-23 15:25:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-23 15:25:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-23 15:25:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2022-11-23 15:25:18,624 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2022-11-23 15:25:18,624 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2022-11-23 15:25:18,625 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2022-11-23 15:25:18,625 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2022-11-23 15:25:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2022-11-23 15:25:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2022-11-23 15:25:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2022-11-23 15:25:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-23 15:25:18,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-23 15:25:18,626 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-23 15:25:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-23 15:25:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-23 15:25:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-23 15:25:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-23 15:25:18,627 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-23 15:25:18,627 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-23 15:25:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-23 15:25:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2022-11-23 15:25:18,628 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2022-11-23 15:25:18,628 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-23 15:25:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-23 15:25:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-23 15:25:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-23 15:25:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2022-11-23 15:25:18,629 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2022-11-23 15:25:18,629 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-23 15:25:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-23 15:25:18,630 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-23 15:25:18,630 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-23 15:25:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-23 15:25:18,631 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-23 15:25:18,631 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-23 15:25:18,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-23 15:25:18,632 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-23 15:25:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-23 15:25:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-23 15:25:18,633 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-23 15:25:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:25:18,633 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2022-11-23 15:25:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2022-11-23 15:25:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-23 15:25:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-23 15:25:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2022-11-23 15:25:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2022-11-23 15:25:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-23 15:25:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-23 15:25:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2022-11-23 15:25:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2022-11-23 15:25:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-23 15:25:18,636 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-23 15:25:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:25:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-23 15:25:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-23 15:25:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-23 15:25:18,637 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-23 15:25:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-23 15:25:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-23 15:25:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-23 15:25:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-23 15:25:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2022-11-23 15:25:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2022-11-23 15:25:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2022-11-23 15:25:18,639 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2022-11-23 15:25:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:25:18,640 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2022-11-23 15:25:18,641 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2022-11-23 15:25:18,643 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-23 15:25:18,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-23 15:25:18,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:25:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-23 15:25:18,646 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-23 15:25:18,646 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-23 15:25:18,647 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-23 15:25:18,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:25:18,648 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:25:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2022-11-23 15:25:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2022-11-23 15:25:18,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-23 15:25:18,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-23 15:25:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-23 15:25:18,655 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-23 15:25:18,655 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-23 15:25:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-23 15:25:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-23 15:25:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-23 15:25:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-23 15:25:18,656 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-23 15:25:18,656 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2022-11-23 15:25:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2022-11-23 15:25:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2022-11-23 15:25:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2022-11-23 15:25:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-23 15:25:18,657 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-23 15:25:18,657 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-23 15:25:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-23 15:25:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-23 15:25:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-23 15:25:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-11-23 15:25:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-11-23 15:25:18,658 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 15:25:18,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-23 15:25:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:25:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-23 15:25:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-23 15:25:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-23 15:25:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-23 15:25:18,659 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-23 15:25:18,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-23 15:25:18,660 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-23 15:25:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-23 15:25:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-23 15:25:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-23 15:25:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-23 15:25:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-23 15:25:18,661 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-23 15:25:18,661 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-23 15:25:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:25:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-23 15:25:18,662 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-23 15:25:18,662 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:25:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:25:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-23 15:25:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-23 15:25:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:25:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:25:18,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:25:18,663 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-23 15:25:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-23 15:25:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:25:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-23 15:25:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-23 15:25:18,664 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-23 15:25:18,664 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-23 15:25:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-23 15:25:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-23 15:25:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-23 15:25:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2022-11-23 15:25:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2022-11-23 15:25:18,665 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-23 15:25:18,665 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-23 15:25:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2022-11-23 15:25:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2022-11-23 15:25:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-23 15:25:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-23 15:25:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2022-11-23 15:25:18,666 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2022-11-23 15:25:18,666 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-23 15:25:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-23 15:25:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:25:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:25:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2022-11-23 15:25:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2022-11-23 15:25:18,667 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2022-11-23 15:25:18,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2022-11-23 15:25:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-23 15:25:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-23 15:25:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2022-11-23 15:25:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2022-11-23 15:25:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-23 15:25:18,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-23 15:25:18,668 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2022-11-23 15:25:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2022-11-23 15:25:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:25:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:25:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:25:18,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:25:18,669 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-23 15:25:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-23 15:25:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:25:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-23 15:25:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2022-11-23 15:25:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2022-11-23 15:25:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-23 15:25:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-23 15:25:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-23 15:25:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-23 15:25:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-23 15:25:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-23 15:25:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2022-11-23 15:25:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2022-11-23 15:25:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2022-11-23 15:25:18,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2022-11-23 15:25:18,672 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2022-11-23 15:25:18,672 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2022-11-23 15:25:18,672 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-23 15:25:18,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-23 15:25:18,672 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-23 15:25:18,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-23 15:25:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2022-11-23 15:25:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2022-11-23 15:25:18,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:25:18,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:25:18,674 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-23 15:25:18,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-23 15:25:18,678 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-23 15:25:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-23 15:25:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-11-23 15:25:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-11-23 15:25:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2022-11-23 15:25:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2022-11-23 15:25:18,679 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2022-11-23 15:25:18,679 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2022-11-23 15:25:18,680 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-23 15:25:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-23 15:25:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-23 15:25:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-23 15:25:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2022-11-23 15:25:18,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2022-11-23 15:25:18,682 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2022-11-23 15:25:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2022-11-23 15:25:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:25:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-23 15:25:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-23 15:25:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-23 15:25:18,683 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-23 15:25:18,683 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-23 15:25:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-23 15:25:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:25:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2022-11-23 15:25:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2022-11-23 15:25:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-23 15:25:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-23 15:25:18,684 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2022-11-23 15:25:18,684 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2022-11-23 15:25:18,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:25:18,685 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-23 15:25:18,685 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-23 15:25:18,685 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:25:18,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2022-11-23 15:25:18,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-23 15:25:18,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-23 15:25:18,686 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2022-11-23 15:25:18,686 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2022-11-23 15:25:18,686 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-23 15:25:18,686 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-23 15:25:18,686 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-23 15:25:18,686 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-23 15:25:18,686 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2022-11-23 15:25:18,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2022-11-23 15:25:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-23 15:25:18,687 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-23 15:25:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2022-11-23 15:25:18,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2022-11-23 15:25:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2022-11-23 15:25:18,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2022-11-23 15:25:18,687 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-11-23 15:25:18,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-11-23 15:25:18,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-23 15:25:18,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-23 15:25:18,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:25:18,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:25:18,688 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-11-23 15:25:18,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-11-23 15:25:18,688 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2022-11-23 15:25:18,689 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2022-11-23 15:25:18,689 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-23 15:25:18,689 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-23 15:25:18,689 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2022-11-23 15:25:18,689 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2022-11-23 15:25:18,689 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-23 15:25:18,689 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-23 15:25:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-23 15:25:18,690 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-23 15:25:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2022-11-23 15:25:18,690 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2022-11-23 15:25:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-23 15:25:18,690 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-23 15:25:18,690 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:25:18,690 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:25:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2022-11-23 15:25:18,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2022-11-23 15:25:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2022-11-23 15:25:18,691 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2022-11-23 15:25:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2022-11-23 15:25:18,691 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2022-11-23 15:25:18,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:25:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2022-11-23 15:25:18,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2022-11-23 15:25:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2022-11-23 15:25:18,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2022-11-23 15:25:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:25:18,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:25:18,692 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2022-11-23 15:25:18,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2022-11-23 15:25:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2022-11-23 15:25:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2022-11-23 15:25:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-23 15:25:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-23 15:25:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-23 15:25:18,693 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-23 15:25:18,693 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2022-11-23 15:25:18,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2022-11-23 15:25:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2022-11-23 15:25:18,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2022-11-23 15:25:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2022-11-23 15:25:18,694 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2022-11-23 15:25:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-23 15:25:18,694 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-23 15:25:18,694 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-23 15:25:18,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-23 15:25:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2022-11-23 15:25:18,695 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2022-11-23 15:25:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_95 [2022-11-23 15:25:18,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_95 [2022-11-23 15:25:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-23 15:25:18,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-23 15:25:18,695 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2022-11-23 15:25:18,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2022-11-23 15:25:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2022-11-23 15:25:18,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2022-11-23 15:25:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-23 15:25:18,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-23 15:25:18,696 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2022-11-23 15:25:18,696 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2022-11-23 15:25:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2022-11-23 15:25:18,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2022-11-23 15:25:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:25:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2022-11-23 15:25:18,697 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2022-11-23 15:25:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-23 15:25:18,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-23 15:25:20,284 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:25:20,293 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:25:20,778 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:25:40,525 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-23 15:25:41,067 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:25:43,997 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:25:43,998 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-23 15:25:44,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:44 BoogieIcfgContainer [2022-11-23 15:25:44,006 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:25:44,009 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:25:44,009 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:25:44,013 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:25:44,013 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:25:10" (1/3) ... [2022-11-23 15:25:44,014 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535a44fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:25:44, skipping insertion in model container [2022-11-23 15:25:44,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:25:17" (2/3) ... [2022-11-23 15:25:44,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@535a44fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:25:44, skipping insertion in model container [2022-11-23 15:25:44,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:25:44" (3/3) ... [2022-11-23 15:25:44,020 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-23 15:25:44,040 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:25:44,041 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 15:25:44,164 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:25:44,173 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;@23ea386d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:25:44,173 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-23 15:25:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand has 2555 states, 1511 states have (on average 1.2911978821972203) internal successors, (1951), 1555 states have internal predecessors, (1951), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) [2022-11-23 15:25:44,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-23 15:25:44,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:44,237 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:25:44,237 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-23 15:25:44,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:44,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1474768512, now seen corresponding path program 1 times [2022-11-23 15:25:44,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:44,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170597249] [2022-11-23 15:25:44,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:44,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:44,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 1725 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1725 trivial. 0 not checked. [2022-11-23 15:25:45,921 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:45,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170597249] [2022-11-23 15:25:45,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170597249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:25:45,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:25:45,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:25:45,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495867782] [2022-11-23 15:25:45,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:25:45,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:25:45,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:45,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:25:45,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:25:45,983 INFO L87 Difference]: Start difference. First operand has 2555 states, 1511 states have (on average 1.2911978821972203) internal successors, (1951), 1555 states have internal predecessors, (1951), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-23 15:25:51,497 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 15:25:55,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:55,251 INFO L93 Difference]: Finished difference Result 7345 states and 10866 transitions. [2022-11-23 15:25:55,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:25:55,253 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 234 [2022-11-23 15:25:55,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:55,310 INFO L225 Difference]: With dead ends: 7345 [2022-11-23 15:25:55,310 INFO L226 Difference]: Without dead ends: 4819 [2022-11-23 15:25:55,334 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 15:25:55,337 INFO L413 NwaCegarLoop]: 3873 mSDtfsCounter, 3293 mSDsluCounter, 3075 mSDsCounter, 0 mSdLazyCounter, 1117 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3293 SdHoareTripleChecker+Valid, 6948 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1117 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:55,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3293 Valid, 6948 Invalid, 1127 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 1117 Invalid, 1 Unknown, 0 Unchecked, 8.5s Time] [2022-11-23 15:25:55,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4819 states. [2022-11-23 15:25:55,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4819 to 4812. [2022-11-23 15:25:55,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4812 states, 2860 states have (on average 1.2828671328671328) internal successors, (3669), 2943 states have internal predecessors, (3669), 1611 states have call successors, (1611), 338 states have call predecessors, (1611), 337 states have return successors, (1607), 1575 states have call predecessors, (1607), 1607 states have call successors, (1607) [2022-11-23 15:25:55,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4812 states to 4812 states and 6887 transitions. [2022-11-23 15:25:55,891 INFO L78 Accepts]: Start accepts. Automaton has 4812 states and 6887 transitions. Word has length 234 [2022-11-23 15:25:55,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:55,896 INFO L495 AbstractCegarLoop]: Abstraction has 4812 states and 6887 transitions. [2022-11-23 15:25:55,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-23 15:25:55,897 INFO L276 IsEmpty]: Start isEmpty. Operand 4812 states and 6887 transitions. [2022-11-23 15:25:55,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2022-11-23 15:25:55,910 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:55,911 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:25:55,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:25:55,914 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-23 15:25:55,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:55,915 INFO L85 PathProgramCache]: Analyzing trace with hash 688668222, now seen corresponding path program 1 times [2022-11-23 15:25:55,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:55,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623535894] [2022-11-23 15:25:55,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:55,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:56,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-23 15:25:56,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:56,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [623535894] [2022-11-23 15:25:56,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [623535894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:25:56,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:25:56,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:25:56,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368453297] [2022-11-23 15:25:56,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:25:56,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:25:56,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:56,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:25:56,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:25:56,704 INFO L87 Difference]: Start difference. First operand 4812 states and 6887 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 15:26:02,335 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 15:26:06,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:26:06,408 INFO L93 Difference]: Finished difference Result 11845 states and 16922 transitions. [2022-11-23 15:26:06,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:26:06,409 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 239 [2022-11-23 15:26:06,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:26:06,461 INFO L225 Difference]: With dead ends: 11845 [2022-11-23 15:26:06,464 INFO L226 Difference]: Without dead ends: 7076 [2022-11-23 15:26:06,490 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 15:26:06,491 INFO L413 NwaCegarLoop]: 3907 mSDtfsCounter, 3263 mSDsluCounter, 3061 mSDsCounter, 0 mSdLazyCounter, 1132 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3263 SdHoareTripleChecker+Valid, 6968 SdHoareTripleChecker+Invalid, 1140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1132 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:26:06,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3263 Valid, 6968 Invalid, 1140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1132 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2022-11-23 15:26:06,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7076 states. [2022-11-23 15:26:06,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7076 to 7041. [2022-11-23 15:26:06,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7041 states, 4176 states have (on average 1.2777777777777777) internal successors, (5336), 4302 states have internal predecessors, (5336), 2355 states have call successors, (2355), 507 states have call predecessors, (2355), 506 states have return successors, (2351), 2298 states have call predecessors, (2351), 2351 states have call successors, (2351) [2022-11-23 15:26:06,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7041 states to 7041 states and 10042 transitions. [2022-11-23 15:26:06,958 INFO L78 Accepts]: Start accepts. Automaton has 7041 states and 10042 transitions. Word has length 239 [2022-11-23 15:26:06,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:26:06,959 INFO L495 AbstractCegarLoop]: Abstraction has 7041 states and 10042 transitions. [2022-11-23 15:26:06,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 15:26:06,961 INFO L276 IsEmpty]: Start isEmpty. Operand 7041 states and 10042 transitions. [2022-11-23 15:26:06,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2022-11-23 15:26:06,968 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:26:06,968 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:06,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:26:06,969 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-23 15:26:06,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:26:06,978 INFO L85 PathProgramCache]: Analyzing trace with hash 388055738, now seen corresponding path program 1 times [2022-11-23 15:26:06,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:26:06,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172317519] [2022-11-23 15:26:06,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:26:06,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:26:07,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:26:07,792 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-23 15:26:07,793 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:26:07,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172317519] [2022-11-23 15:26:07,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172317519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:26:07,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:26:07,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:26:07,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465352540] [2022-11-23 15:26:07,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:26:07,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:26:07,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:26:07,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:26:07,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:26:07,797 INFO L87 Difference]: Start difference. First operand 7041 states and 10042 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-23 15:26:12,042 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 15:26:17,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:26:17,312 INFO L93 Difference]: Finished difference Result 18493 states and 26353 transitions. [2022-11-23 15:26:17,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:26:17,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 240 [2022-11-23 15:26:17,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:26:17,391 INFO L225 Difference]: With dead ends: 18493 [2022-11-23 15:26:17,392 INFO L226 Difference]: Without dead ends: 11495 [2022-11-23 15:26:17,433 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 15:26:17,434 INFO L413 NwaCegarLoop]: 3860 mSDtfsCounter, 3259 mSDsluCounter, 3085 mSDsCounter, 0 mSdLazyCounter, 1095 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3259 SdHoareTripleChecker+Valid, 6945 SdHoareTripleChecker+Invalid, 1097 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1095 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-23 15:26:17,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3259 Valid, 6945 Invalid, 1097 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1095 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2022-11-23 15:26:17,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11495 states. [2022-11-23 15:26:18,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11495 to 11462. [2022-11-23 15:26:18,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11462 states, 6813 states have (on average 1.2794657272860708) internal successors, (8717), 7014 states have internal predecessors, (8717), 3807 states have call successors, (3807), 839 states have call predecessors, (3807), 838 states have return successors, (3803), 3713 states have call predecessors, (3803), 3803 states have call successors, (3803) [2022-11-23 15:26:18,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11462 states to 11462 states and 16327 transitions. [2022-11-23 15:26:18,293 INFO L78 Accepts]: Start accepts. Automaton has 11462 states and 16327 transitions. Word has length 240 [2022-11-23 15:26:18,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:26:18,294 INFO L495 AbstractCegarLoop]: Abstraction has 11462 states and 16327 transitions. [2022-11-23 15:26:18,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-23 15:26:18,295 INFO L276 IsEmpty]: Start isEmpty. Operand 11462 states and 16327 transitions. [2022-11-23 15:26:18,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-11-23 15:26:18,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:26:18,309 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:18,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:26:18,309 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-23 15:26:18,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:26:18,313 INFO L85 PathProgramCache]: Analyzing trace with hash -479836102, now seen corresponding path program 1 times [2022-11-23 15:26:18,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:26:18,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601219854] [2022-11-23 15:26:18,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:26:18,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:26:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:26:18,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-23 15:26:18,925 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:26:18,925 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601219854] [2022-11-23 15:26:18,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601219854] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:26:18,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:26:18,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:26:18,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803703499] [2022-11-23 15:26:18,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:26:18,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:26:18,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:26:18,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:26:18,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:26:18,928 INFO L87 Difference]: Start difference. First operand 11462 states and 16327 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-23 15:26:22,505 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 15:26:28,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:26:28,465 INFO L93 Difference]: Finished difference Result 29546 states and 42098 transitions. [2022-11-23 15:26:28,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:26:28,466 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 243 [2022-11-23 15:26:28,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:26:28,618 INFO L225 Difference]: With dead ends: 29546 [2022-11-23 15:26:28,618 INFO L226 Difference]: Without dead ends: 18127 [2022-11-23 15:26:28,702 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 15:26:28,706 INFO L413 NwaCegarLoop]: 3819 mSDtfsCounter, 2723 mSDsluCounter, 3027 mSDsCounter, 0 mSdLazyCounter, 1155 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2723 SdHoareTripleChecker+Valid, 6846 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 1155 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:26:28,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2723 Valid, 6846 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 1155 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2022-11-23 15:26:28,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18127 states. [2022-11-23 15:26:29,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18127 to 18091. [2022-11-23 15:26:29,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18091 states, 10716 states have (on average 1.2683837252706234) internal successors, (13592), 11033 states have internal predecessors, (13592), 5988 states have call successors, (5988), 1396 states have call predecessors, (5988), 1383 states have return successors, (6181), 5810 states have call predecessors, (6181), 5984 states have call successors, (6181) [2022-11-23 15:26:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18091 states to 18091 states and 25761 transitions. [2022-11-23 15:26:29,977 INFO L78 Accepts]: Start accepts. Automaton has 18091 states and 25761 transitions. Word has length 243 [2022-11-23 15:26:29,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:26:29,981 INFO L495 AbstractCegarLoop]: Abstraction has 18091 states and 25761 transitions. [2022-11-23 15:26:29,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-23 15:26:29,981 INFO L276 IsEmpty]: Start isEmpty. Operand 18091 states and 25761 transitions. [2022-11-23 15:26:29,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2022-11-23 15:26:29,987 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:26:29,987 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:26:29,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:26:29,988 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-23 15:26:29,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:26:29,989 INFO L85 PathProgramCache]: Analyzing trace with hash -2045453689, now seen corresponding path program 1 times [2022-11-23 15:26:29,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:26:29,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636190891] [2022-11-23 15:26:29,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:26:29,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:26:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:26:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-23 15:26:30,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:26:30,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636190891] [2022-11-23 15:26:30,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636190891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:26:30,615 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:26:30,615 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:26:30,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429870273] [2022-11-23 15:26:30,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:26:30,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:26:30,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:26:30,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:26:30,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:26:30,617 INFO L87 Difference]: Start difference. First operand 18091 states and 25761 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 15:26:35,295 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 15:26:41,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:26:41,148 INFO L93 Difference]: Finished difference Result 52937 states and 75191 transitions. [2022-11-23 15:26:41,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:26:41,149 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 245 [2022-11-23 15:26:41,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:26:41,360 INFO L225 Difference]: With dead ends: 52937 [2022-11-23 15:26:41,360 INFO L226 Difference]: Without dead ends: 34889 [2022-11-23 15:26:41,447 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 15:26:41,448 INFO L413 NwaCegarLoop]: 4629 mSDtfsCounter, 3143 mSDsluCounter, 3028 mSDsCounter, 0 mSdLazyCounter, 1383 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3143 SdHoareTripleChecker+Valid, 7657 SdHoareTripleChecker+Invalid, 1413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 1383 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:26:41,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3143 Valid, 7657 Invalid, 1413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 1383 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-11-23 15:26:41,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34889 states. [2022-11-23 15:26:43,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34889 to 34838. [2022-11-23 15:26:43,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34838 states, 20544 states have (on average 1.2564252336448598) internal successors, (25812), 21192 states have internal predecessors, (25812), 11535 states have call successors, (11535), 2780 states have call predecessors, (11535), 2755 states have return successors, (11832), 11162 states have call predecessors, (11832), 11531 states have call successors, (11832) [2022-11-23 15:26:44,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34838 states to 34838 states and 49179 transitions. [2022-11-23 15:26:44,298 INFO L78 Accepts]: Start accepts. Automaton has 34838 states and 49179 transitions. Word has length 245 [2022-11-23 15:26:44,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:26:44,299 INFO L495 AbstractCegarLoop]: Abstraction has 34838 states and 49179 transitions. [2022-11-23 15:26:44,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-23 15:26:44,299 INFO L276 IsEmpty]: Start isEmpty. Operand 34838 states and 49179 transitions. [2022-11-23 15:26:44,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2022-11-23 15:26:44,308 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:26:44,309 INFO L195 NwaCegarLoop]: trace histogram [23, 21, 21, 21, 21, 21, 21, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:26:44,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:26:44,309 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-23 15:26:44,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:26:44,310 INFO L85 PathProgramCache]: Analyzing trace with hash -960321046, now seen corresponding path program 1 times [2022-11-23 15:26:44,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:26:44,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146008905] [2022-11-23 15:26:44,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:26:44,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:26:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:26:45,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1773 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1766 trivial. 0 not checked. [2022-11-23 15:26:45,181 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:26:45,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146008905] [2022-11-23 15:26:45,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146008905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:26:45,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:26:45,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:26:45,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824502189] [2022-11-23 15:26:45,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:26:45,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:26:45,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:26:45,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:26:45,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:26:45,185 INFO L87 Difference]: Start difference. First operand 34838 states and 49179 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-23 15:26:49,484 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 15:26:56,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:26:56,397 INFO L93 Difference]: Finished difference Result 98645 states and 139242 transitions. [2022-11-23 15:26:56,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:26:56,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 265 [2022-11-23 15:26:56,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:26:56,767 INFO L225 Difference]: With dead ends: 98645 [2022-11-23 15:26:56,767 INFO L226 Difference]: Without dead ends: 63850 [2022-11-23 15:26:57,106 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 15:26:57,107 INFO L413 NwaCegarLoop]: 4477 mSDtfsCounter, 3270 mSDsluCounter, 3062 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 7539 SdHoareTripleChecker+Invalid, 1322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:26:57,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3270 Valid, 7539 Invalid, 1322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 1308 Invalid, 1 Unknown, 0 Unchecked, 8.7s Time] [2022-11-23 15:26:57,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63850 states. [2022-11-23 15:27:00,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63850 to 63785. [2022-11-23 15:27:00,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63785 states, 37637 states have (on average 1.2536865318702342) internal successors, (47185), 38866 states have internal predecessors, (47185), 21057 states have call successors, (21057), 5136 states have call predecessors, (21057), 5087 states have return successors, (21638), 20339 states have call predecessors, (21638), 21053 states have call successors, (21638) [2022-11-23 15:27:01,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63785 states to 63785 states and 89880 transitions. [2022-11-23 15:27:01,199 INFO L78 Accepts]: Start accepts. Automaton has 63785 states and 89880 transitions. Word has length 265 [2022-11-23 15:27:01,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:01,200 INFO L495 AbstractCegarLoop]: Abstraction has 63785 states and 89880 transitions. [2022-11-23 15:27:01,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-23 15:27:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 63785 states and 89880 transitions. [2022-11-23 15:27:01,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2022-11-23 15:27:01,209 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:01,210 INFO L195 NwaCegarLoop]: trace histogram [22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:01,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:27:01,210 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-23 15:27:01,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:01,211 INFO L85 PathProgramCache]: Analyzing trace with hash -87455794, now seen corresponding path program 1 times [2022-11-23 15:27:01,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:01,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910123907] [2022-11-23 15:27:01,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:01,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:01,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:02,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1722 trivial. 0 not checked. [2022-11-23 15:27:02,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:02,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910123907] [2022-11-23 15:27:02,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910123907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:02,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:02,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:27:02,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435603544] [2022-11-23 15:27:02,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:02,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:27:02,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:02,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:27:02,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:27:02,309 INFO L87 Difference]: Start difference. First operand 63785 states and 89880 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-23 15:27:07,378 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 15:27:16,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:16,423 INFO L93 Difference]: Finished difference Result 175277 states and 246642 transitions. [2022-11-23 15:27:16,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:27:16,424 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 270 [2022-11-23 15:27:16,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:17,109 INFO L225 Difference]: With dead ends: 175277 [2022-11-23 15:27:17,109 INFO L226 Difference]: Without dead ends: 111535 [2022-11-23 15:27:17,394 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 15:27:17,395 INFO L413 NwaCegarLoop]: 5326 mSDtfsCounter, 2967 mSDsluCounter, 3040 mSDsCounter, 0 mSdLazyCounter, 1529 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2967 SdHoareTripleChecker+Valid, 8366 SdHoareTripleChecker+Invalid, 1548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 1529 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:17,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2967 Valid, 8366 Invalid, 1548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 1529 Invalid, 1 Unknown, 0 Unchecked, 9.4s Time] [2022-11-23 15:27:17,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111535 states. [2022-11-23 15:27:22,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111535 to 111441. [2022-11-23 15:27:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111441 states, 66159 states have (on average 1.2493689445124625) internal successors, (82657), 68311 states have internal predecessors, (82657), 36281 states have call successors, (36281), 9114 states have call predecessors, (36281), 8997 states have return successors, (37254), 34988 states have call predecessors, (37254), 36277 states have call successors, (37254) [2022-11-23 15:27:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111441 states to 111441 states and 156192 transitions. [2022-11-23 15:27:23,843 INFO L78 Accepts]: Start accepts. Automaton has 111441 states and 156192 transitions. Word has length 270 [2022-11-23 15:27:23,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:23,844 INFO L495 AbstractCegarLoop]: Abstraction has 111441 states and 156192 transitions. [2022-11-23 15:27:23,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (35), 2 states have call predecessors, (35), 1 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-23 15:27:23,845 INFO L276 IsEmpty]: Start isEmpty. Operand 111441 states and 156192 transitions. [2022-11-23 15:27:23,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-11-23 15:27:23,852 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:23,853 INFO L195 NwaCegarLoop]: trace histogram [25, 21, 21, 21, 21, 21, 21, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:27:23,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:27:23,853 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-23 15:27:23,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:23,854 INFO L85 PathProgramCache]: Analyzing trace with hash 2025339838, now seen corresponding path program 1 times [2022-11-23 15:27:23,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:23,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259356666] [2022-11-23 15:27:23,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:23,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:25,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1895 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1895 trivial. 0 not checked. [2022-11-23 15:27:25,717 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:25,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259356666] [2022-11-23 15:27:25,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259356666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:25,718 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:25,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:27:25,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821835393] [2022-11-23 15:27:25,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:25,719 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:27:25,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:25,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:27:25,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:27:25,720 INFO L87 Difference]: Start difference. First operand 111441 states and 156192 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-23 15:27:31,421 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 15:27:44,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:27:44,325 INFO L93 Difference]: Finished difference Result 134094 states and 187252 transitions. [2022-11-23 15:27:44,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:27:44,326 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 279 [2022-11-23 15:27:44,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:27:45,028 INFO L225 Difference]: With dead ends: 134094 [2022-11-23 15:27:45,028 INFO L226 Difference]: Without dead ends: 134092 [2022-11-23 15:27:45,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:27:45,097 INFO L413 NwaCegarLoop]: 3677 mSDtfsCounter, 2503 mSDsluCounter, 10361 mSDsCounter, 0 mSdLazyCounter, 2207 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2519 SdHoareTripleChecker+Valid, 14038 SdHoareTripleChecker+Invalid, 2210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2207 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:27:45,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2519 Valid, 14038 Invalid, 2210 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2207 Invalid, 1 Unknown, 0 Unchecked, 14.2s Time] [2022-11-23 15:27:45,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134092 states. [2022-11-23 15:27:51,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134092 to 134085. [2022-11-23 15:27:51,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134085 states, 79558 states have (on average 1.2462731592046055) internal successors, (99151), 82132 states have internal predecessors, (99151), 43563 states have call successors, (43563), 11086 states have call predecessors, (43563), 10960 states have return successors, (44532), 41995 states have call predecessors, (44532), 43555 states have call successors, (44532) [2022-11-23 15:27:52,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134085 states to 134085 states and 187246 transitions. [2022-11-23 15:27:52,756 INFO L78 Accepts]: Start accepts. Automaton has 134085 states and 187246 transitions. Word has length 279 [2022-11-23 15:27:52,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:27:52,757 INFO L495 AbstractCegarLoop]: Abstraction has 134085 states and 187246 transitions. [2022-11-23 15:27:52,757 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-11-23 15:27:52,758 INFO L276 IsEmpty]: Start isEmpty. Operand 134085 states and 187246 transitions. [2022-11-23 15:27:52,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-11-23 15:27:52,765 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:27:52,765 INFO L195 NwaCegarLoop]: trace histogram [25, 21, 21, 21, 21, 21, 21, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:27:52,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 15:27:52,766 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-23 15:27:52,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:27:52,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1376019401, now seen corresponding path program 1 times [2022-11-23 15:27:52,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:27:52,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497082287] [2022-11-23 15:27:52,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:27:52,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:27:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:27:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1897 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1895 trivial. 0 not checked. [2022-11-23 15:27:53,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:27:53,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497082287] [2022-11-23 15:27:53,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497082287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:27:53,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:27:53,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-23 15:27:53,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964733159] [2022-11-23 15:27:53,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:27:53,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:27:53,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:27:54,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:27:54,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:27:54,000 INFO L87 Difference]: Start difference. First operand 134085 states and 187246 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (35), 3 states have call predecessors, (35), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2022-11-23 15:27:59,280 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 15:28:02,438 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []