./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --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 8ce45e17f6cb4c017891df1db140fbcb2581e20f4065ad4296f4e21077bc6fbb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:48:07,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:48:07,454 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:48:07,468 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:48:07,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:48:07,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:48:07,520 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:48:07,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:48:07,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:48:07,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:48:07,523 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:48:07,523 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:48:07,524 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:48:07,524 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:48:07,525 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:48:07,526 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:48:07,526 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:48:07,527 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:48:07,527 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:48:07,528 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:48:07,528 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:48:07,533 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:48:07,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:48:07,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:48:07,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:48:07,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:48:07,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:48:07,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:48:07,538 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:48:07,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:48:07,540 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:48:07,540 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:48:07,541 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:48:07,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:07,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:48:07,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:48:07,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:48:07,542 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:48:07,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:48:07,543 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:48:07,543 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:48:07,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:48:07,544 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8ce45e17f6cb4c017891df1db140fbcb2581e20f4065ad4296f4e21077bc6fbb [2023-11-12 00:48:07,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:48:07,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:48:07,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:48:07,905 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:48:07,905 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:48:07,907 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i [2023-11-12 00:48:11,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:48:11,865 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:48:11,866 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i [2023-11-12 00:48:11,933 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/bin/utaipan-verify-NcY6lQBIFX/data/8726b901c/998fc7ad81c544a49eb48c2be0f5e388/FLAG0ee7433fd [2023-11-12 00:48:11,954 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/bin/utaipan-verify-NcY6lQBIFX/data/8726b901c/998fc7ad81c544a49eb48c2be0f5e388 [2023-11-12 00:48:11,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:48:11,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:48:11,968 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:11,968 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:48:11,974 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:48:11,974 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:11" (1/1) ... [2023-11-12 00:48:11,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211757cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:11, skipping insertion in model container [2023-11-12 00:48:11,976 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:48:11" (1/1) ... [2023-11-12 00:48:12,180 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:48:15,254 WARN L240 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_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389426,389439] [2023-11-12 00:48:15,260 WARN L240 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_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389592,389605] [2023-11-12 00:48:15,261 WARN L240 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_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389756,389769] [2023-11-12 00:48:15,261 WARN L240 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_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389921,389934] [2023-11-12 00:48:15,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:15,469 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:48:15,932 WARN L240 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_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389426,389439] [2023-11-12 00:48:15,933 WARN L240 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_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389592,389605] [2023-11-12 00:48:15,933 WARN L240 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_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389756,389769] [2023-11-12 00:48:15,934 WARN L240 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_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i[389921,389934] [2023-11-12 00:48:15,947 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:48:16,423 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:48:16,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:16 WrapperNode [2023-11-12 00:48:16,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:48:16,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:16,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:48:16,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:48:16,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:16" (1/1) ... [2023-11-12 00:48:16,581 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:16" (1/1) ... [2023-11-12 00:48:16,812 INFO L138 Inliner]: procedures = 398, calls = 3782, calls flagged for inlining = 224, calls inlined = 212, statements flattened = 7026 [2023-11-12 00:48:16,813 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:48:16,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:48:16,814 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:48:16,814 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:48:16,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:16" (1/1) ... [2023-11-12 00:48:16,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:16" (1/1) ... [2023-11-12 00:48:16,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:16" (1/1) ... [2023-11-12 00:48:16,867 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:16" (1/1) ... [2023-11-12 00:48:17,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:16" (1/1) ... [2023-11-12 00:48:17,155 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:16" (1/1) ... [2023-11-12 00:48:17,220 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:16" (1/1) ... [2023-11-12 00:48:17,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:16" (1/1) ... [2023-11-12 00:48:17,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:48:17,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:48:17,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:48:17,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:48:17,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:16" (1/1) ... [2023-11-12 00:48:17,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:48:17,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:48:17,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:48:17,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ff8d1aa-97bf-4d8c-8f6a-89f799e1e338/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:48:17,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_phy_mutex_of_usbnet [2023-11-12 00:48:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_phy_mutex_of_usbnet [2023-11-12 00:48:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_medium_mode [2023-11-12 00:48:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_medium_mode [2023-11-12 00:48:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure mii_check_media [2023-11-12 00:48:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_check_media [2023-11-12 00:48:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:48:17,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:48:17,406 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_nway_reset [2023-11-12 00:48:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_nway_reset [2023-11-12 00:48:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_link [2023-11-12 00:48:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_link [2023-11-12 00:48:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:48:17,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:48:17,407 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_rx_ctl [2023-11-12 00:48:17,408 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_rx_ctl [2023-11-12 00:48:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_stop [2023-11-12 00:48:17,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_stop [2023-11-12 00:48:17,408 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_settings [2023-11-12 00:48:17,408 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_settings [2023-11-12 00:48:17,409 INFO L130 BoogieDeclarations]: Found specification of procedure ax88178_reset [2023-11-12 00:48:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88178_reset [2023-11-12 00:48:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-12 00:48:17,410 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-12 00:48:17,410 INFO L130 BoogieDeclarations]: Found specification of procedure crc32_le [2023-11-12 00:48:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure crc32_le [2023-11-12 00:48:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_settings [2023-11-12 00:48:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_settings [2023-11-12 00:48:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-12 00:48:17,411 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-12 00:48:17,411 INFO L130 BoogieDeclarations]: Found specification of procedure asix_mdio_write [2023-11-12 00:48:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_mdio_write [2023-11-12 00:48:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure asix_status [2023-11-12 00:48:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_status [2023-11-12 00:48:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_rx_ctl [2023-11-12 00:48:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_rx_ctl [2023-11-12 00:48:17,412 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_probe [2023-11-12 00:48:17,412 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_probe [2023-11-12 00:48:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-12 00:48:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-12 00:48:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_eeprom [2023-11-12 00:48:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_eeprom [2023-11-12 00:48:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:48:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:48:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-12 00:48:17,413 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-12 00:48:17,413 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-12 00:48:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-12 00:48:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:48:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:48:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:48:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:48:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-12 00:48:17,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-12 00:48:17,414 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_reset_phy [2023-11-12 00:48:17,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_reset_phy [2023-11-12 00:48:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:48:17,415 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_unbind [2023-11-12 00:48:17,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_unbind [2023-11-12 00:48:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_link_reset [2023-11-12 00:48:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_link_reset [2023-11-12 00:48:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:48:17,417 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:48:17,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_asix_driver_exit_10_2 [2023-11-12 00:48:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_asix_driver_exit_10_2 [2023-11-12 00:48:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 00:48:17,418 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 00:48:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_netdev_dev_addr [2023-11-12 00:48:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_netdev_dev_addr [2023-11-12 00:48:17,419 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_bind [2023-11-12 00:48:17,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_bind [2023-11-12 00:48:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:48:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-12 00:48:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-12 00:48:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:48:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:48:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:48:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-11-12 00:48:17,420 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-11-12 00:48:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure ax88178_bind [2023-11-12 00:48:17,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88178_bind [2023-11-12 00:48:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:48:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:48:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:48:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_phy_addr [2023-11-12 00:48:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_phy_addr [2023-11-12 00:48:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:48:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:48:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_phy_mutex_of_usbnet [2023-11-12 00:48:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_phy_mutex_of_usbnet [2023-11-12 00:48:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure asix_rx_fixup_internal [2023-11-12 00:48:17,423 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_rx_fixup_internal [2023-11-12 00:48:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:48:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-12 00:48:17,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-12 00:48:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:48:17,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:48:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:48:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-12 00:48:17,424 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-12 00:48:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_eeprom_len [2023-11-12 00:48:17,424 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_eeprom_len [2023-11-12 00:48:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:48:17,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:48:17,424 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-12 00:48:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-12 00:48:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:48:17,425 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_wol [2023-11-12 00:48:17,425 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_wol [2023-11-12 00:48:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:48:17,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:48:17,426 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2023-11-12 00:48:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2023-11-12 00:48:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_cmd_async [2023-11-12 00:48:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_cmd_async [2023-11-12 00:48:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_unbind [2023-11-12 00:48:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_unbind [2023-11-12 00:48:17,427 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_reset [2023-11-12 00:48:17,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_reset [2023-11-12 00:48:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172_link_reset [2023-11-12 00:48:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172_link_reset [2023-11-12 00:48:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_start_xmit [2023-11-12 00:48:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_start_xmit [2023-11-12 00:48:17,428 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-12 00:48:17,428 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-12 00:48:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_drvinfo [2023-11-12 00:48:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_drvinfo [2023-11-12 00:48:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_hw_mii [2023-11-12 00:48:17,429 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_hw_mii [2023-11-12 00:48:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:48:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:48:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-12 00:48:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-12 00:48:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_msglevel [2023-11-12 00:48:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_msglevel [2023-11-12 00:48:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure mdiobus_free [2023-11-12 00:48:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure mdiobus_free [2023-11-12 00:48:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:48:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:48:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:48:17,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:48:17,431 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_set_settings [2023-11-12 00:48:17,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_set_settings [2023-11-12 00:48:17,433 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_reset [2023-11-12 00:48:17,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_reset [2023-11-12 00:48:17,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_6_4 [2023-11-12 00:48:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_6_4 [2023-11-12 00:48:17,438 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_phyid [2023-11-12 00:48:17,438 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_phyid [2023-11-12 00:48:17,439 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2023-11-12 00:48:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2023-11-12 00:48:17,440 INFO L130 BoogieDeclarations]: Found specification of procedure bitrev32 [2023-11-12 00:48:17,440 INFO L138 BoogieDeclarations]: Found implementation of procedure bitrev32 [2023-11-12 00:48:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure asix_tx_fixup [2023-11-12 00:48:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_tx_fixup [2023-11-12 00:48:17,445 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2023-11-12 00:48:17,445 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2023-11-12 00:48:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:48:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:48:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2023-11-12 00:48:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2023-11-12 00:48:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_set_msglevel [2023-11-12 00:48:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_set_msglevel [2023-11-12 00:48:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2023-11-12 00:48:17,446 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2023-11-12 00:48:17,446 INFO L130 BoogieDeclarations]: Found specification of procedure asix_sw_reset [2023-11-12 00:48:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_sw_reset [2023-11-12 00:48:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:48:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172_bind [2023-11-12 00:48:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172_bind [2023-11-12 00:48:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_phy_addr [2023-11-12 00:48:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_phy_addr [2023-11-12 00:48:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_cmd [2023-11-12 00:48:17,447 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_cmd [2023-11-12 00:48:17,447 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-12 00:48:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-12 00:48:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_medium_status [2023-11-12 00:48:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_medium_status [2023-11-12 00:48:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:48:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:48:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure asix_read_cmd [2023-11-12 00:48:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_read_cmd [2023-11-12 00:48:17,448 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:48:17,448 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:48:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:48:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:48:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_nway_reset [2023-11-12 00:48:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_nway_reset [2023-11-12 00:48:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:48:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:48:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:48:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:48:17,449 INFO L130 BoogieDeclarations]: Found specification of procedure asix_write_gpio [2023-11-12 00:48:17,449 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_write_gpio [2023-11-12 00:48:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-12 00:48:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-12 00:48:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure asix_mdio_read [2023-11-12 00:48:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_mdio_read [2023-11-12 00:48:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-12 00:48:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-12 00:48:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure ax88178_link_reset [2023-11-12 00:48:17,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88178_link_reset [2023-11-12 00:48:17,450 INFO L130 BoogieDeclarations]: Found specification of procedure mii_nway_restart [2023-11-12 00:48:17,451 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_nway_restart [2023-11-12 00:48:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-12 00:48:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-12 00:48:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:48:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:48:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-12 00:48:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-12 00:48:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:48:17,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:48:17,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:48:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_adjust_link [2023-11-12 00:48:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_adjust_link [2023-11-12 00:48:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172_set_multicast [2023-11-12 00:48:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172_set_multicast [2023-11-12 00:48:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_rx_fixup [2023-11-12 00:48:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_rx_fixup [2023-11-12 00:48:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_sw_mii [2023-11-12 00:48:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_sw_mii [2023-11-12 00:48:17,453 INFO L130 BoogieDeclarations]: Found specification of procedure ax88772_bind [2023-11-12 00:48:17,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88772_bind [2023-11-12 00:48:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure ax88172a_status [2023-11-12 00:48:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ax88172a_status [2023-11-12 00:48:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure asix_rx_fixup_common [2023-11-12 00:48:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_rx_fixup_common [2023-11-12 00:48:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:48:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:48:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_get_endpoints [2023-11-12 00:48:17,454 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_get_endpoints [2023-11-12 00:48:17,454 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2023-11-12 00:48:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2023-11-12 00:48:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:48:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure asix_get_eeprom [2023-11-12 00:48:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_get_eeprom [2023-11-12 00:48:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:48:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:48:17,455 INFO L130 BoogieDeclarations]: Found specification of procedure asix_set_wol [2023-11-12 00:48:17,455 INFO L138 BoogieDeclarations]: Found implementation of procedure asix_set_wol [2023-11-12 00:48:18,566 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:48:18,571 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:48:18,964 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:48:32,385 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:48:32,626 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:48:35,187 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:48:35,187 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:48:35,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:35 BoogieIcfgContainer [2023-11-12 00:48:35,195 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:48:35,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:48:35,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:48:35,285 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:48:35,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:48:11" (1/3) ... [2023-11-12 00:48:35,286 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26338c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:48:35, skipping insertion in model container [2023-11-12 00:48:35,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:48:16" (2/3) ... [2023-11-12 00:48:35,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26338c4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:48:35, skipping insertion in model container [2023-11-12 00:48:35,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:48:35" (3/3) ... [2023-11-12 00:48:35,288 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-usb-asix.cil.i [2023-11-12 00:48:35,311 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:48:35,311 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 00:48:35,423 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:48:35,429 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=LoopHeads, 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;@56381a32, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:48:35,429 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 00:48:35,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 1989 states, 1214 states have (on average 1.3245469522240527) internal successors, (1608), 1225 states have internal predecessors, (1608), 662 states have call successors, (662), 112 states have call predecessors, (662), 111 states have return successors, (655), 650 states have call predecessors, (655), 655 states have call successors, (655) [2023-11-12 00:48:35,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2023-11-12 00:48:35,498 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:35,499 INFO L195 NwaCegarLoop]: trace histogram [39, 38, 38, 38, 38, 38, 38, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:48:35,500 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:48:35,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:35,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1924528321, now seen corresponding path program 1 times [2023-11-12 00:48:35,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:35,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831693992] [2023-11-12 00:48:35,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:35,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:37,622 INFO L134 CoverageAnalysis]: Checked inductivity of 5703 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5703 trivial. 0 not checked. [2023-11-12 00:48:37,623 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:37,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831693992] [2023-11-12 00:48:37,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831693992] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:48:37,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:48:37,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:48:37,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996093317] [2023-11-12 00:48:37,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:48:37,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:48:37,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:48:37,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:48:37,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:48:37,692 INFO L87 Difference]: Start difference. First operand has 1989 states, 1214 states have (on average 1.3245469522240527) internal successors, (1608), 1225 states have internal predecessors, (1608), 662 states have call successors, (662), 112 states have call predecessors, (662), 111 states have return successors, (655), 650 states have call predecessors, (655), 655 states have call successors, (655) Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-11-12 00:48:40,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:48:40,951 INFO L93 Difference]: Finished difference Result 5734 states and 8540 transitions. [2023-11-12 00:48:40,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:48:40,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 405 [2023-11-12 00:48:40,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:48:41,006 INFO L225 Difference]: With dead ends: 5734 [2023-11-12 00:48:41,007 INFO L226 Difference]: Without dead ends: 3811 [2023-11-12 00:48:41,025 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 [2023-11-12 00:48:41,028 INFO L413 NwaCegarLoop]: 2549 mSDtfsCounter, 2726 mSDsluCounter, 2503 mSDsCounter, 0 mSdLazyCounter, 764 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2726 SdHoareTripleChecker+Valid, 5052 SdHoareTripleChecker+Invalid, 773 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 764 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-12 00:48:41,029 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2726 Valid, 5052 Invalid, 773 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 764 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-12 00:48:41,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3811 states. [2023-11-12 00:48:41,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3811 to 3807. [2023-11-12 00:48:41,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3807 states, 2342 states have (on average 1.3240819812126388) internal successors, (3101), 2361 states have internal predecessors, (3101), 1244 states have call successors, (1244), 219 states have call predecessors, (1244), 218 states have return successors, (1240), 1230 states have call predecessors, (1240), 1240 states have call successors, (1240) [2023-11-12 00:48:41,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3807 states to 3807 states and 5585 transitions. [2023-11-12 00:48:41,406 INFO L78 Accepts]: Start accepts. Automaton has 3807 states and 5585 transitions. Word has length 405 [2023-11-12 00:48:41,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:48:41,412 INFO L495 AbstractCegarLoop]: Abstraction has 3807 states and 5585 transitions. [2023-11-12 00:48:41,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (45), 2 states have call predecessors, (45), 1 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2023-11-12 00:48:41,413 INFO L276 IsEmpty]: Start isEmpty. Operand 3807 states and 5585 transitions. [2023-11-12 00:48:41,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2023-11-12 00:48:41,443 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:41,444 INFO L195 NwaCegarLoop]: trace histogram [39, 38, 38, 38, 38, 38, 38, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:48:41,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:48:41,445 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:48:41,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:41,446 INFO L85 PathProgramCache]: Analyzing trace with hash 611140268, now seen corresponding path program 1 times [2023-11-12 00:48:41,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:41,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357603282] [2023-11-12 00:48:41,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:41,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:43,086 INFO L134 CoverageAnalysis]: Checked inductivity of 5706 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5706 trivial. 0 not checked. [2023-11-12 00:48:43,087 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:43,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1357603282] [2023-11-12 00:48:43,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1357603282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:48:43,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:48:43,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:48:43,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965771849] [2023-11-12 00:48:43,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:48:43,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:48:43,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:48:43,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:48:43,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:48:43,095 INFO L87 Difference]: Start difference. First operand 3807 states and 5585 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-12 00:48:47,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:48:47,003 INFO L93 Difference]: Finished difference Result 9334 states and 13672 transitions. [2023-11-12 00:48:47,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:48:47,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) Word has length 452 [2023-11-12 00:48:47,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:48:47,066 INFO L225 Difference]: With dead ends: 9334 [2023-11-12 00:48:47,067 INFO L226 Difference]: Without dead ends: 5604 [2023-11-12 00:48:47,090 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 [2023-11-12 00:48:47,092 INFO L413 NwaCegarLoop]: 2525 mSDtfsCounter, 2673 mSDsluCounter, 2491 mSDsCounter, 0 mSdLazyCounter, 781 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2673 SdHoareTripleChecker+Valid, 5016 SdHoareTripleChecker+Invalid, 794 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 781 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-11-12 00:48:47,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2673 Valid, 5016 Invalid, 794 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 781 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-11-12 00:48:47,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5604 states. [2023-11-12 00:48:47,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5604 to 5585. [2023-11-12 00:48:47,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5585 states, 3448 states have (on average 1.322215777262181) internal successors, (4559), 3479 states have internal predecessors, (4559), 1804 states have call successors, (1804), 331 states have call predecessors, (1804), 330 states have return successors, (1800), 1780 states have call predecessors, (1800), 1800 states have call successors, (1800) [2023-11-12 00:48:47,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5585 states to 5585 states and 8163 transitions. [2023-11-12 00:48:47,623 INFO L78 Accepts]: Start accepts. Automaton has 5585 states and 8163 transitions. Word has length 452 [2023-11-12 00:48:47,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:48:47,626 INFO L495 AbstractCegarLoop]: Abstraction has 5585 states and 8163 transitions. [2023-11-12 00:48:47,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 3 states have call successors, (54), 2 states have call predecessors, (54), 1 states have return successors, (49), 3 states have call predecessors, (49), 3 states have call successors, (49) [2023-11-12 00:48:47,626 INFO L276 IsEmpty]: Start isEmpty. Operand 5585 states and 8163 transitions. [2023-11-12 00:48:47,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2023-11-12 00:48:47,647 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:48:47,647 INFO L195 NwaCegarLoop]: trace histogram [42, 38, 38, 38, 38, 38, 38, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:48:47,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 00:48:47,648 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:48:47,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:48:47,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1213629196, now seen corresponding path program 1 times [2023-11-12 00:48:47,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:48:47,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482822156] [2023-11-12 00:48:47,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:48:47,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:48:48,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:48:50,489 INFO L134 CoverageAnalysis]: Checked inductivity of 5974 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5974 trivial. 0 not checked. [2023-11-12 00:48:50,490 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:48:50,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482822156] [2023-11-12 00:48:50,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482822156] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:48:50,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:48:50,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 00:48:50,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361818503] [2023-11-12 00:48:50,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:48:50,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 00:48:50,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:48:50,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 00:48:50,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-12 00:48:50,494 INFO L87 Difference]: Start difference. First operand 5585 states and 8163 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49)