./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-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_576f8620-5a55-494a-bb32-ebc546c30487/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576f8620-5a55-494a-bb32-ebc546c30487/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576f8620-5a55-494a-bb32-ebc546c30487/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576f8620-5a55-494a-bb32-ebc546c30487/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576f8620-5a55-494a-bb32-ebc546c30487/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576f8620-5a55-494a-bb32-ebc546c30487/bin/utaipan-verify-mE87zJ7Ire --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 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:27:02,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:27:02,225 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576f8620-5a55-494a-bb32-ebc546c30487/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:27:02,232 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:27:02,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:27:02,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:27:02,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:27:02,279 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:27:02,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:27:02,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:27:02,287 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:27:02,288 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:27:02,288 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:27:02,291 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:27:02,291 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:27:02,292 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:27:02,292 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:27:02,293 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:27:02,294 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:27:02,294 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:27:02,295 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:27:02,296 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:27:02,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:27:02,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:27:02,298 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:27:02,299 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:27:02,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:27:02,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:27:02,301 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:27:02,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:27:02,303 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:27:02,303 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:27:02,304 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:27:02,304 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:27:02,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:02,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:27:02,305 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:27:02,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:27:02,306 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:27:02,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:27:02,307 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:27:02,307 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:27:02,309 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:27:02,309 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:27:02,310 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_576f8620-5a55-494a-bb32-ebc546c30487/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576f8620-5a55-494a-bb32-ebc546c30487/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2023-11-23 21:27:02,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:27:02,780 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:27:02,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:27:02,785 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:27:02,785 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:27:02,787 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576f8620-5a55-494a-bb32-ebc546c30487/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2023-11-23 21:27:06,339 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:27:07,284 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:27:07,285 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576f8620-5a55-494a-bb32-ebc546c30487/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2023-11-23 21:27:07,403 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576f8620-5a55-494a-bb32-ebc546c30487/bin/utaipan-verify-mE87zJ7Ire/data/ba2f074cb/feb17e9b09f04a0a905a3bdb75315a2c/FLAG71f9b417e [2023-11-23 21:27:07,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576f8620-5a55-494a-bb32-ebc546c30487/bin/utaipan-verify-mE87zJ7Ire/data/ba2f074cb/feb17e9b09f04a0a905a3bdb75315a2c [2023-11-23 21:27:07,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:27:07,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:27:07,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:07,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:27:07,454 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:27:07,457 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:07" (1/1) ... [2023-11-23 21:27:07,459 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101872f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:07, skipping insertion in model container [2023-11-23 21:27:07,459 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:27:07" (1/1) ... [2023-11-23 21:27:07,784 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:27:12,100 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_576f8620-5a55-494a-bb32-ebc546c30487/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2023-11-23 21:27:12,106 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_576f8620-5a55-494a-bb32-ebc546c30487/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2023-11-23 21:27:12,107 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_576f8620-5a55-494a-bb32-ebc546c30487/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2023-11-23 21:27:12,107 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_576f8620-5a55-494a-bb32-ebc546c30487/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2023-11-23 21:27:12,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:12,227 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:27:12,519 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"); [6715] [2023-11-23 21:27:12,522 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6722] [2023-11-23 21:27:12,531 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)); [6951-6952] [2023-11-23 21:27:12,831 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_576f8620-5a55-494a-bb32-ebc546c30487/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2023-11-23 21:27:12,832 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_576f8620-5a55-494a-bb32-ebc546c30487/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2023-11-23 21:27:12,833 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_576f8620-5a55-494a-bb32-ebc546c30487/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2023-11-23 21:27:12,833 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_576f8620-5a55-494a-bb32-ebc546c30487/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2023-11-23 21:27:12,840 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:27:13,182 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:27:13,191 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:27:13,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:13 WrapperNode [2023-11-23 21:27:13,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:27:13,193 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:13,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:27:13,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:27:13,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:13" (1/1) ... [2023-11-23 21:27:13,367 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:13" (1/1) ... [2023-11-23 21:27:13,798 INFO L138 Inliner]: procedures = 410, calls = 4685, calls flagged for inlining = 227, calls inlined = 201, statements flattened = 9771 [2023-11-23 21:27:13,799 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:27:13,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:27:13,800 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:27:13,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:27:13,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:13" (1/1) ... [2023-11-23 21:27:13,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:13" (1/1) ... [2023-11-23 21:27:13,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:13" (1/1) ... [2023-11-23 21:27:13,899 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:13" (1/1) ... [2023-11-23 21:27:14,332 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:13" (1/1) ... [2023-11-23 21:27:14,389 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:13" (1/1) ... [2023-11-23 21:27:14,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:13" (1/1) ... [2023-11-23 21:27:14,514 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:13" (1/1) ... [2023-11-23 21:27:14,603 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:27:14,605 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:27:14,605 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:27:14,605 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:27:14,606 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:13" (1/1) ... [2023-11-23 21:27:14,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:27:14,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576f8620-5a55-494a-bb32-ebc546c30487/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:27:14,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576f8620-5a55-494a-bb32-ebc546c30487/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:27:14,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576f8620-5a55-494a-bb32-ebc546c30487/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:27:14,698 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2023-11-23 21:27:14,698 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2023-11-23 21:27:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-11-23 21:27:14,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-11-23 21:27:14,699 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2023-11-23 21:27:14,699 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2023-11-23 21:27:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2023-11-23 21:27:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2023-11-23 21:27:14,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:27:14,700 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:27:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2023-11-23 21:27:14,701 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2023-11-23 21:27:14,701 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2023-11-23 21:27:14,701 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2023-11-23 21:27:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:27:14,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:27:14,702 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2023-11-23 21:27:14,702 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2023-11-23 21:27:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2023-11-23 21:27:14,703 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2023-11-23 21:27:14,703 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2023-11-23 21:27:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2023-11-23 21:27:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-23 21:27:14,704 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-23 21:27:14,704 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2023-11-23 21:27:14,705 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2023-11-23 21:27:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-23 21:27:14,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-23 21:27:14,705 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:27:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2023-11-23 21:27:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2023-11-23 21:27:14,706 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2023-11-23 21:27:14,706 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2023-11-23 21:27:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2023-11-23 21:27:14,707 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2023-11-23 21:27:14,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:27:14,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:27:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-23 21:27:14,708 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-23 21:27:14,708 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:27:14,708 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:27:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:27:14,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:27:14,709 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-23 21:27:14,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-23 21:27:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:27:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2023-11-23 21:27:14,710 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2023-11-23 21:27:14,710 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2023-11-23 21:27:14,710 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2023-11-23 21:27:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2023-11-23 21:27:14,711 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2023-11-23 21:27:14,711 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-23 21:27:14,711 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-23 21:27:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:27:14,712 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:27:14,712 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2023-11-23 21:27:14,712 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2023-11-23 21:27:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2023-11-23 21:27:14,713 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2023-11-23 21:27:14,713 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-23 21:27:14,713 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-23 21:27:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2023-11-23 21:27:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2023-11-23 21:27:14,714 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2023-11-23 21:27:14,714 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2023-11-23 21:27:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:27:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2023-11-23 21:27:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2023-11-23 21:27:14,715 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-23 21:27:14,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-23 21:27:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:27:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:27:14,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:27:14,716 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-11-23 21:27:14,717 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-11-23 21:27:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2023-11-23 21:27:14,717 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2023-11-23 21:27:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:27:14,717 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2023-11-23 21:27:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2023-11-23 21:27:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:27:14,718 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:27:14,718 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:27:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:27:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2023-11-23 21:27:14,719 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2023-11-23 21:27:14,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2023-11-23 21:27:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2023-11-23 21:27:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2023-11-23 21:27:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2023-11-23 21:27:14,720 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2023-11-23 21:27:14,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2023-11-23 21:27:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:27:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2023-11-23 21:27:14,721 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2023-11-23 21:27:14,721 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2023-11-23 21:27:14,722 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2023-11-23 21:27:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:27:14,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:27:14,722 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2023-11-23 21:27:14,723 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2023-11-23 21:27:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 21:27:14,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 21:27:14,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:27:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2023-11-23 21:27:14,724 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2023-11-23 21:27:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:27:14,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:27:14,724 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2023-11-23 21:27:14,725 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2023-11-23 21:27:14,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:27:14,725 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2023-11-23 21:27:14,725 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2023-11-23 21:27:14,726 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2023-11-23 21:27:14,726 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2023-11-23 21:27:14,726 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:27:14,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:27:14,726 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2023-11-23 21:27:14,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2023-11-23 21:27:14,727 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2023-11-23 21:27:14,727 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2023-11-23 21:27:14,727 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 21:27:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 21:27:14,728 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2023-11-23 21:27:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2023-11-23 21:27:14,728 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-23 21:27:14,728 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-23 21:27:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:27:14,729 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:27:14,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:27:14,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:27:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:27:14,730 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:27:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-23 21:27:14,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-23 21:27:14,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:27:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:27:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:27:14,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:27:14,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2023-11-23 21:27:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2023-11-23 21:27:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-11-23 21:27:14,732 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-11-23 21:27:14,732 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2023-11-23 21:27:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2023-11-23 21:27:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 21:27:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 21:27:14,733 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2023-11-23 21:27:14,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2023-11-23 21:27:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-23 21:27:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-23 21:27:14,734 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2023-11-23 21:27:14,734 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2023-11-23 21:27:14,735 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2023-11-23 21:27:14,735 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2023-11-23 21:27:14,735 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2023-11-23 21:27:14,735 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2023-11-23 21:27:14,735 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2023-11-23 21:27:14,736 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2023-11-23 21:27:14,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:27:14,736 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:27:14,736 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 21:27:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 21:27:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-23 21:27:14,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-23 21:27:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:27:14,737 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:27:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:27:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2023-11-23 21:27:14,738 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2023-11-23 21:27:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:27:14,738 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2023-11-23 21:27:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2023-11-23 21:27:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2023-11-23 21:27:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2023-11-23 21:27:14,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2023-11-23 21:27:14,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2023-11-23 21:27:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-23 21:27:14,740 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-23 21:27:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:27:14,740 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-23 21:27:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-23 21:27:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2023-11-23 21:27:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2023-11-23 21:27:14,741 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:27:14,741 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:27:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2023-11-23 21:27:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2023-11-23 21:27:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:27:14,742 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:27:14,742 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2023-11-23 21:27:14,743 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2023-11-23 21:27:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:27:14,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:27:14,743 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 21:27:14,743 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 21:27:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2023-11-23 21:27:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2023-11-23 21:27:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-23 21:27:14,744 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-23 21:27:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:27:14,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:27:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2023-11-23 21:27:14,745 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2023-11-23 21:27:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 21:27:14,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-23 21:27:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-23 21:27:14,746 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-23 21:27:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2023-11-23 21:27:14,746 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2023-11-23 21:27:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:27:14,747 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:27:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 21:27:14,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-23 21:27:14,747 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2023-11-23 21:27:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2023-11-23 21:27:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2023-11-23 21:27:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2023-11-23 21:27:14,748 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2023-11-23 21:27:14,748 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2023-11-23 21:27:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:27:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2023-11-23 21:27:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2023-11-23 21:27:14,749 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:27:14,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:27:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2023-11-23 21:27:14,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2023-11-23 21:27:14,750 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2023-11-23 21:27:14,750 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2023-11-23 21:27:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2023-11-23 21:27:14,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2023-11-23 21:27:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 21:27:14,751 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 21:27:14,751 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2023-11-23 21:27:14,752 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2023-11-23 21:27:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:27:14,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:27:14,752 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-23 21:27:14,753 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-23 21:27:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2023-11-23 21:27:14,753 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2023-11-23 21:27:14,753 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2023-11-23 21:27:14,753 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2023-11-23 21:27:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2023-11-23 21:27:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2023-11-23 21:27:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2023-11-23 21:27:14,754 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2023-11-23 21:27:14,754 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2023-11-23 21:27:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2023-11-23 21:27:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-23 21:27:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:27:14,755 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-23 21:27:14,755 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-23 21:27:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2023-11-23 21:27:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2023-11-23 21:27:14,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:27:14,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:27:16,137 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:27:16,150 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:27:16,809 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:27:36,773 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:27:37,435 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:27:40,662 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:27:40,662 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:27:40,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:40 BoogieIcfgContainer [2023-11-23 21:27:40,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:27:40,674 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:27:40,674 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:27:40,678 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:27:40,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:27:07" (1/3) ... [2023-11-23 21:27:40,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a297c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:40, skipping insertion in model container [2023-11-23 21:27:40,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:27:13" (2/3) ... [2023-11-23 21:27:40,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a297c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:27:40, skipping insertion in model container [2023-11-23 21:27:40,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:27:40" (3/3) ... [2023-11-23 21:27:40,689 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2023-11-23 21:27:40,713 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:27:40,713 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:27:40,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:27:40,859 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;@9a9499d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:27:40,860 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:27:40,877 INFO L276 IsEmpty]: Start isEmpty. Operand has 2352 states, 1451 states have (on average 1.315644383184011) internal successors, (1909), 1455 states have internal predecessors, (1909), 779 states have call successors, (779), 120 states have call predecessors, (779), 119 states have return successors, (771), 771 states have call predecessors, (771), 771 states have call successors, (771) [2023-11-23 21:27:40,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2023-11-23 21:27:40,940 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:27:40,941 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] [2023-11-23 21:27:40,942 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)] === [2023-11-23 21:27:40,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:27:40,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1660013231, now seen corresponding path program 1 times [2023-11-23 21:27:40,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:27:40,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738780511] [2023-11-23 21:27:40,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:27:40,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:27:41,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:27:42,897 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5115 trivial. 0 not checked. [2023-11-23 21:27:42,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:27:42,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738780511] [2023-11-23 21:27:42,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738780511] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:27:42,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:27:42,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:27:42,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120863312] [2023-11-23 21:27:42,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:27:42,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:27:42,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:27:42,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:27:42,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:27:42,967 INFO L87 Difference]: Start difference. First operand has 2352 states, 1451 states have (on average 1.315644383184011) internal successors, (1909), 1455 states have internal predecessors, (1909), 779 states have call successors, (779), 120 states have call predecessors, (779), 119 states have return successors, (771), 771 states have call predecessors, (771), 771 states have call successors, (771) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (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) [2023-11-23 21:27:46,883 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 []