./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-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004f95c8-747c-4710-a130-37ef4c0c9d19/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004f95c8-747c-4710-a130-37ef4c0c9d19/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004f95c8-747c-4710-a130-37ef4c0c9d19/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004f95c8-747c-4710-a130-37ef4c0c9d19/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004f95c8-747c-4710-a130-37ef4c0c9d19/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004f95c8-747c-4710-a130-37ef4c0c9d19/bin/utaipan-verify-SwPr7d2a91 --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 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:07:20,284 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:07:20,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004f95c8-747c-4710-a130-37ef4c0c9d19/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-25 00:07:20,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:07:20,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:07:20,406 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:07:20,406 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:07:20,407 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:07:20,408 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:07:20,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:07:20,409 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:07:20,410 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:07:20,411 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:07:20,416 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:07:20,417 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:07:20,417 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:07:20,418 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:07:20,419 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:07:20,419 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:07:20,421 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:07:20,422 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:07:20,425 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:07:20,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:07:20,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:07:20,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:07:20,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:07:20,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:07:20,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:07:20,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:07:20,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:07:20,432 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:07:20,433 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:07:20,434 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:07:20,434 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:07:20,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:07:20,435 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:07:20,435 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:07:20,435 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:07:20,435 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:07:20,436 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:07:20,436 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:07:20,436 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:07:20,437 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:07:20,437 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:07:20,438 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_004f95c8-747c-4710-a130-37ef4c0c9d19/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004f95c8-747c-4710-a130-37ef4c0c9d19/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 [2023-11-25 00:07:20,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:07:20,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:07:20,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:07:20,793 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:07:20,793 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:07:20,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004f95c8-747c-4710-a130-37ef4c0c9d19/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2023-11-25 00:07:23,930 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:07:24,799 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:07:24,800 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004f95c8-747c-4710-a130-37ef4c0c9d19/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2023-11-25 00:07:24,887 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004f95c8-747c-4710-a130-37ef4c0c9d19/bin/utaipan-verify-SwPr7d2a91/data/e4d94e645/89461bda3bea46348bc9f79016e44631/FLAG8e4b7f036 [2023-11-25 00:07:24,904 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004f95c8-747c-4710-a130-37ef4c0c9d19/bin/utaipan-verify-SwPr7d2a91/data/e4d94e645/89461bda3bea46348bc9f79016e44631 [2023-11-25 00:07:24,907 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:07:24,909 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:07:24,911 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:07:24,911 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:07:24,917 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:07:24,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:07:24" (1/1) ... [2023-11-25 00:07:24,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd4b3c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:24, skipping insertion in model container [2023-11-25 00:07:24,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:07:24" (1/1) ... [2023-11-25 00:07:25,131 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:07:29,447 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_004f95c8-747c-4710-a130-37ef4c0c9d19/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2023-11-25 00:07:29,452 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_004f95c8-747c-4710-a130-37ef4c0c9d19/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2023-11-25 00:07:29,453 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_004f95c8-747c-4710-a130-37ef4c0c9d19/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2023-11-25 00:07:29,454 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_004f95c8-747c-4710-a130-37ef4c0c9d19/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2023-11-25 00:07:29,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:07:29,536 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:07:29,739 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6701] [2023-11-25 00:07:29,741 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6708] [2023-11-25 00:07:29,748 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/cfg80211.h"), "i" (3014), "i" (12UL)); [6946-6947] [2023-11-25 00:07:30,112 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_004f95c8-747c-4710-a130-37ef4c0c9d19/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2023-11-25 00:07:30,113 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_004f95c8-747c-4710-a130-37ef4c0c9d19/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2023-11-25 00:07:30,114 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_004f95c8-747c-4710-a130-37ef4c0c9d19/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2023-11-25 00:07:30,114 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_004f95c8-747c-4710-a130-37ef4c0c9d19/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2023-11-25 00:07:30,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:07:30,407 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-25 00:07:30,415 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:07:30,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:30 WrapperNode [2023-11-25 00:07:30,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:07:30,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:07:30,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:07:30,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:07:30,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:30" (1/1) ... [2023-11-25 00:07:30,611 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:30" (1/1) ... [2023-11-25 00:07:30,874 INFO L138 Inliner]: procedures = 473, calls = 4811, calls flagged for inlining = 229, calls inlined = 199, statements flattened = 9569 [2023-11-25 00:07:30,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:07:30,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:07:30,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:07:30,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:07:30,886 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:30" (1/1) ... [2023-11-25 00:07:30,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:30" (1/1) ... [2023-11-25 00:07:30,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:30" (1/1) ... [2023-11-25 00:07:30,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:30" (1/1) ... [2023-11-25 00:07:31,195 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:30" (1/1) ... [2023-11-25 00:07:31,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:30" (1/1) ... [2023-11-25 00:07:31,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:30" (1/1) ... [2023-11-25 00:07:31,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:30" (1/1) ... [2023-11-25 00:07:31,445 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:07:31,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:07:31,448 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:07:31,448 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:07:31,449 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:30" (1/1) ... [2023-11-25 00:07:31,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:07:31,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004f95c8-747c-4710-a130-37ef4c0c9d19/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:07:31,486 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004f95c8-747c-4710-a130-37ef4c0c9d19/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:07:31,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_004f95c8-747c-4710-a130-37ef4c0c9d19/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:07:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2023-11-25 00:07:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2023-11-25 00:07:31,532 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-11-25 00:07:31,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-11-25 00:07:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2023-11-25 00:07:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2023-11-25 00:07:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2023-11-25 00:07:31,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2023-11-25 00:07:31,533 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-25 00:07:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-25 00:07:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2023-11-25 00:07:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2023-11-25 00:07:31,534 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2023-11-25 00:07:31,534 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2023-11-25 00:07:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-25 00:07:31,535 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-25 00:07:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2023-11-25 00:07:31,535 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2023-11-25 00:07:31,535 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:07:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-25 00:07:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2023-11-25 00:07:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2023-11-25 00:07:31,536 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2023-11-25 00:07:31,536 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2023-11-25 00:07:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-25 00:07:31,537 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-25 00:07:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2023-11-25 00:07:31,537 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2023-11-25 00:07:31,537 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-25 00:07:31,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-25 00:07:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-25 00:07:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2023-11-25 00:07:31,538 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2023-11-25 00:07:31,538 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2023-11-25 00:07:31,538 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2023-11-25 00:07:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2023-11-25 00:07:31,539 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2023-11-25 00:07:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-25 00:07:31,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-25 00:07:31,539 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-25 00:07:31,539 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-25 00:07:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-25 00:07:31,540 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-25 00:07:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-25 00:07:31,540 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-25 00:07:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-25 00:07:31,540 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2023-11-25 00:07:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2023-11-25 00:07:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2023-11-25 00:07:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2023-11-25 00:07:31,541 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2023-11-25 00:07:31,541 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2023-11-25 00:07:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-25 00:07:31,542 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-25 00:07:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-25 00:07:31,542 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-25 00:07:31,542 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2023-11-25 00:07:31,542 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2023-11-25 00:07:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2023-11-25 00:07:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2023-11-25 00:07:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-25 00:07:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-25 00:07:31,543 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2023-11-25 00:07:31,543 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2023-11-25 00:07:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2023-11-25 00:07:31,544 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2023-11-25 00:07:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-25 00:07:31,544 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2023-11-25 00:07:31,544 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2023-11-25 00:07:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-25 00:07:31,545 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-25 00:07:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-25 00:07:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-25 00:07:31,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-25 00:07:31,545 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-11-25 00:07:31,545 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-11-25 00:07:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2023-11-25 00:07:31,546 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2023-11-25 00:07:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:07:31,546 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2023-11-25 00:07:31,546 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2023-11-25 00:07:31,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-25 00:07:31,547 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-25 00:07:31,547 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-25 00:07:31,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-25 00:07:31,547 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2023-11-25 00:07:31,547 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2023-11-25 00:07:31,548 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:07:31,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-25 00:07:31,548 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2023-11-25 00:07:31,548 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2023-11-25 00:07:31,548 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2023-11-25 00:07:31,548 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2023-11-25 00:07:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-25 00:07:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2023-11-25 00:07:31,549 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2023-11-25 00:07:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2023-11-25 00:07:31,549 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2023-11-25 00:07:31,549 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-25 00:07:31,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-25 00:07:31,550 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2023-11-25 00:07:31,550 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2023-11-25 00:07:31,550 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-25 00:07:31,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-25 00:07:31,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:07:31,551 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2023-11-25 00:07:31,551 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2023-11-25 00:07:31,551 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-25 00:07:31,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-25 00:07:31,551 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2023-11-25 00:07:31,551 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2023-11-25 00:07:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-25 00:07:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2023-11-25 00:07:31,552 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2023-11-25 00:07:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2023-11-25 00:07:31,552 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2023-11-25 00:07:31,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:07:31,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-25 00:07:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2023-11-25 00:07:31,553 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2023-11-25 00:07:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2023-11-25 00:07:31,553 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2023-11-25 00:07:31,553 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-25 00:07:31,554 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-25 00:07:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2023-11-25 00:07:31,554 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2023-11-25 00:07:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-25 00:07:31,554 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-25 00:07:31,554 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-25 00:07:31,555 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-25 00:07:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:07:31,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:07:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-25 00:07:31,555 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-25 00:07:31,555 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-25 00:07:31,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-25 00:07:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-25 00:07:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-25 00:07:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-25 00:07:31,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-25 00:07:31,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2023-11-25 00:07:31,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2023-11-25 00:07:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-11-25 00:07:31,557 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-11-25 00:07:31,557 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2023-11-25 00:07:31,557 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2023-11-25 00:07:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:07:31,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-25 00:07:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-25 00:07:31,558 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-25 00:07:31,558 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2023-11-25 00:07:31,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2023-11-25 00:07:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-25 00:07:31,559 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-25 00:07:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2023-11-25 00:07:31,559 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2023-11-25 00:07:31,559 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2023-11-25 00:07:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2023-11-25 00:07:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2023-11-25 00:07:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2023-11-25 00:07:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-25 00:07:31,560 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-25 00:07:31,560 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2023-11-25 00:07:31,561 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2023-11-25 00:07:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-25 00:07:31,561 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-25 00:07:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-25 00:07:31,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-25 00:07:31,561 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-25 00:07:31,562 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-25 00:07:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-25 00:07:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-25 00:07:31,562 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-25 00:07:31,562 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2023-11-25 00:07:31,562 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2023-11-25 00:07:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-25 00:07:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2023-11-25 00:07:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2023-11-25 00:07:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2023-11-25 00:07:31,563 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2023-11-25 00:07:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2023-11-25 00:07:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2023-11-25 00:07:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-25 00:07:31,564 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-25 00:07:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-25 00:07:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-25 00:07:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-25 00:07:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2023-11-25 00:07:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2023-11-25 00:07:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-25 00:07:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-25 00:07:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2023-11-25 00:07:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2023-11-25 00:07:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-25 00:07:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-25 00:07:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-25 00:07:31,566 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-25 00:07:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2023-11-25 00:07:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2023-11-25 00:07:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-25 00:07:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-25 00:07:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-25 00:07:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-25 00:07:31,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2023-11-25 00:07:31,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2023-11-25 00:07:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-25 00:07:31,568 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-25 00:07:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-25 00:07:31,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-25 00:07:31,568 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2023-11-25 00:07:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2023-11-25 00:07:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-25 00:07:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-25 00:07:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2023-11-25 00:07:31,569 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2023-11-25 00:07:31,569 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-25 00:07:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-25 00:07:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2023-11-25 00:07:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2023-11-25 00:07:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2023-11-25 00:07:31,570 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2023-11-25 00:07:31,570 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2023-11-25 00:07:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2023-11-25 00:07:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:07:31,571 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2023-11-25 00:07:31,571 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2023-11-25 00:07:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-25 00:07:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-25 00:07:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2023-11-25 00:07:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2023-11-25 00:07:31,572 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2023-11-25 00:07:31,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2023-11-25 00:07:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-25 00:07:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-25 00:07:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2023-11-25 00:07:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2023-11-25 00:07:31,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-25 00:07:31,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-25 00:07:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-25 00:07:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-25 00:07:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2023-11-25 00:07:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2023-11-25 00:07:31,574 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2023-11-25 00:07:31,574 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2023-11-25 00:07:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2023-11-25 00:07:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2023-11-25 00:07:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2023-11-25 00:07:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2023-11-25 00:07:31,575 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2023-11-25 00:07:31,575 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2023-11-25 00:07:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-25 00:07:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:07:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-25 00:07:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-25 00:07:31,576 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2023-11-25 00:07:31,576 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2023-11-25 00:07:31,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-25 00:07:31,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-25 00:07:32,984 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:07:32,991 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:07:33,588 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-25 00:07:52,398 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-25 00:07:52,983 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:07:56,244 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:07:56,244 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:07:56,247 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:56 BoogieIcfgContainer [2023-11-25 00:07:56,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:07:56,255 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:07:56,255 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:07:56,258 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:07:56,259 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:07:24" (1/3) ... [2023-11-25 00:07:56,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130d3cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:07:56, skipping insertion in model container [2023-11-25 00:07:56,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:07:30" (2/3) ... [2023-11-25 00:07:56,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130d3cbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:07:56, skipping insertion in model container [2023-11-25 00:07:56,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:07:56" (3/3) ... [2023-11-25 00:07:56,269 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2023-11-25 00:07:56,295 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:07:56,296 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-25 00:07:56,409 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:07:56,416 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;@6effa5d9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:07:56,416 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-25 00:07:56,430 INFO L276 IsEmpty]: Start isEmpty. Operand has 2360 states, 1450 states have (on average 1.3158620689655172) internal successors, (1908), 1454 states have internal predecessors, (1908), 788 states have call successors, (788), 120 states have call predecessors, (788), 119 states have return successors, (780), 780 states have call predecessors, (780), 780 states have call successors, (780) [2023-11-25 00:07:56,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2023-11-25 00:07:56,478 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:07:56,479 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 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] [2023-11-25 00:07:56,479 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-25 00:07:56,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:07:56,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1399401794, now seen corresponding path program 1 times [2023-11-25 00:07:56,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:07:56,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802704249] [2023-11-25 00:07:56,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:56,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:07:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:07:58,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5115 trivial. 0 not checked. [2023-11-25 00:07:58,433 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-25 00:07:58,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802704249] [2023-11-25 00:07:58,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802704249] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:07:58,434 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:07:58,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:07:58,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141871049] [2023-11-25 00:07:58,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:07:58,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:07:58,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-25 00:07:58,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:07:58,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:07:58,503 INFO L87 Difference]: Start difference. First operand has 2360 states, 1450 states have (on average 1.3158620689655172) internal successors, (1908), 1454 states have internal predecessors, (1908), 788 states have call successors, (788), 120 states have call predecessors, (788), 119 states have return successors, (780), 780 states have call predecessors, (780), 780 states have call successors, (780) 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, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-11-25 00:08:02,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:08:05,878 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:08:07,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:08:08,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:08:08,913 INFO L93 Difference]: Finished difference Result 6843 states and 10137 transitions. [2023-11-25 00:08:08,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:08:08,916 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, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 385 [2023-11-25 00:08:08,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:08:08,980 INFO L225 Difference]: With dead ends: 6843 [2023-11-25 00:08:08,981 INFO L226 Difference]: Without dead ends: 4544 [2023-11-25 00:08:09,002 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 [2023-11-25 00:08:09,006 INFO L413 NwaCegarLoop]: 3080 mSDtfsCounter, 3257 mSDsluCounter, 3030 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3257 SdHoareTripleChecker+Valid, 6110 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2023-11-25 00:08:09,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3257 Valid, 6110 Invalid, 830 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 814 Invalid, 3 Unknown, 0 Unchecked, 9.8s Time] [2023-11-25 00:08:09,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4544 states. [2023-11-25 00:08:09,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4544 to 4540. [2023-11-25 00:08:09,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4540 states, 2816 states have (on average 1.3128551136363635) internal successors, (3697), 2823 states have internal predecessors, (3697), 1487 states have call successors, (1487), 235 states have call predecessors, (1487), 234 states have return successors, (1483), 1483 states have call predecessors, (1483), 1483 states have call successors, (1483) [2023-11-25 00:08:09,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4540 states to 4540 states and 6667 transitions. [2023-11-25 00:08:09,535 INFO L78 Accepts]: Start accepts. Automaton has 4540 states and 6667 transitions. Word has length 385 [2023-11-25 00:08:09,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:08:09,543 INFO L495 AbstractCegarLoop]: Abstraction has 4540 states and 6667 transitions. [2023-11-25 00:08:09,543 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, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-11-25 00:08:09,544 INFO L276 IsEmpty]: Start isEmpty. Operand 4540 states and 6667 transitions. [2023-11-25 00:08:09,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2023-11-25 00:08:09,581 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:08:09,582 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 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] [2023-11-25 00:08:09,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:08:09,583 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-25 00:08:09,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:08:09,583 INFO L85 PathProgramCache]: Analyzing trace with hash 2114730327, now seen corresponding path program 1 times [2023-11-25 00:08:09,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:08:09,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834391396] [2023-11-25 00:08:09,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:08:09,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:08:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat