./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 9bd2c7ff 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_435d2216-ffa9-4387-99ea-b8b358710343/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435d2216-ffa9-4387-99ea-b8b358710343/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435d2216-ffa9-4387-99ea-b8b358710343/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435d2216-ffa9-4387-99ea-b8b358710343/bin/utaipan-verify-t7M7D8N6sZ/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_435d2216-ffa9-4387-99ea-b8b358710343/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435d2216-ffa9-4387-99ea-b8b358710343/bin/utaipan-verify-t7M7D8N6sZ --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 0.2.3-dev-9bd2c7f [2023-11-19 05:07:37,958 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:07:38,052 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435d2216-ffa9-4387-99ea-b8b358710343/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-19 05:07:38,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:07:38,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:07:38,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:07:38,084 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:07:38,085 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:07:38,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:07:38,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:07:38,087 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:07:38,087 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:07:38,088 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:07:38,088 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:07:38,089 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:07:38,089 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:07:38,090 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:07:38,091 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:07:38,091 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:07:38,092 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:07:38,092 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:07:38,095 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:07:38,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:07:38,096 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:07:38,097 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:07:38,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:07:38,097 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:07:38,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:07:38,102 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:07:38,102 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:07:38,103 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:07:38,103 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:07:38,104 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:07:38,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:38,104 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:07:38,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:07:38,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:07:38,105 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:07:38,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:07:38,106 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:07:38,107 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:07:38,108 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:07:38,108 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_435d2216-ffa9-4387-99ea-b8b358710343/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435d2216-ffa9-4387-99ea-b8b358710343/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 [2023-11-19 05:07:38,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:07:38,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:07:38,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:07:38,429 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:07:38,430 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:07:38,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435d2216-ffa9-4387-99ea-b8b358710343/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2023-11-19 05:07:41,577 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:07:42,392 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:07:42,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435d2216-ffa9-4387-99ea-b8b358710343/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2023-11-19 05:07:42,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435d2216-ffa9-4387-99ea-b8b358710343/bin/utaipan-verify-t7M7D8N6sZ/data/4214a9290/2bf49611e62349de956a73249956184b/FLAG6ff9e95f7 [2023-11-19 05:07:42,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435d2216-ffa9-4387-99ea-b8b358710343/bin/utaipan-verify-t7M7D8N6sZ/data/4214a9290/2bf49611e62349de956a73249956184b [2023-11-19 05:07:42,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:07:42,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:07:42,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:42,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:07:42,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:07:42,512 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:42" (1/1) ... [2023-11-19 05:07:42,513 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b520d1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:42, skipping insertion in model container [2023-11-19 05:07:42,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:07:42" (1/1) ... [2023-11-19 05:07:42,796 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:07:46,879 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_435d2216-ffa9-4387-99ea-b8b358710343/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2023-11-19 05:07:46,884 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_435d2216-ffa9-4387-99ea-b8b358710343/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2023-11-19 05:07:46,885 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_435d2216-ffa9-4387-99ea-b8b358710343/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2023-11-19 05:07:46,885 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_435d2216-ffa9-4387-99ea-b8b358710343/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2023-11-19 05:07:46,899 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:47,018 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:07:47,181 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] [2023-11-19 05:07:47,183 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6708] [2023-11-19 05:07:47,191 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] [2023-11-19 05:07:47,609 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_435d2216-ffa9-4387-99ea-b8b358710343/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2023-11-19 05:07:47,610 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_435d2216-ffa9-4387-99ea-b8b358710343/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2023-11-19 05:07:47,610 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_435d2216-ffa9-4387-99ea-b8b358710343/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2023-11-19 05:07:47,611 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_435d2216-ffa9-4387-99ea-b8b358710343/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2023-11-19 05:07:47,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:07:47,919 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 05:07:47,927 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:07:47,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:47 WrapperNode [2023-11-19 05:07:47,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:07:47,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:47,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:07:47,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:07:47,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:47" (1/1) ... [2023-11-19 05:07:48,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:47" (1/1) ... [2023-11-19 05:07:48,563 INFO L138 Inliner]: procedures = 473, calls = 4811, calls flagged for inlining = 229, calls inlined = 199, statements flattened = 9407 [2023-11-19 05:07:48,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:07:48,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:07:48,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:07:48,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:07:48,576 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:47" (1/1) ... [2023-11-19 05:07:48,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:47" (1/1) ... [2023-11-19 05:07:48,655 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:47" (1/1) ... [2023-11-19 05:07:48,655 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:47" (1/1) ... [2023-11-19 05:07:48,844 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:47" (1/1) ... [2023-11-19 05:07:48,874 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:47" (1/1) ... [2023-11-19 05:07:49,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:47" (1/1) ... [2023-11-19 05:07:49,080 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:47" (1/1) ... [2023-11-19 05:07:49,147 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:07:49,149 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:07:49,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:07:49,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:07:49,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:47" (1/1) ... [2023-11-19 05:07:49,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:07:49,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435d2216-ffa9-4387-99ea-b8b358710343/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:07:49,188 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435d2216-ffa9-4387-99ea-b8b358710343/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:07:49,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_435d2216-ffa9-4387-99ea-b8b358710343/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:07:49,227 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2023-11-19 05:07:49,227 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2023-11-19 05:07:49,228 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-11-19 05:07:49,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-11-19 05:07:49,228 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2023-11-19 05:07:49,228 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2023-11-19 05:07:49,228 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2023-11-19 05:07:49,228 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2023-11-19 05:07:49,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-19 05:07:49,229 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-19 05:07:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2023-11-19 05:07:49,229 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2023-11-19 05:07:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2023-11-19 05:07:49,229 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2023-11-19 05:07:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-19 05:07:49,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-19 05:07:49,229 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2023-11-19 05:07:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2023-11-19 05:07:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 05:07:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-19 05:07:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2023-11-19 05:07:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2023-11-19 05:07:49,230 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2023-11-19 05:07:49,230 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2023-11-19 05:07:49,231 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-19 05:07:49,231 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-19 05:07:49,231 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2023-11-19 05:07:49,231 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2023-11-19 05:07:49,231 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-19 05:07:49,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-19 05:07:49,231 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-19 05:07:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2023-11-19 05:07:49,232 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2023-11-19 05:07:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2023-11-19 05:07:49,232 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2023-11-19 05:07:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2023-11-19 05:07:49,232 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2023-11-19 05:07:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-19 05:07:49,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-19 05:07:49,232 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-19 05:07:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-19 05:07:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-19 05:07:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-19 05:07:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-19 05:07:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-19 05:07:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:07:49,233 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2023-11-19 05:07:49,233 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2023-11-19 05:07:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2023-11-19 05:07:49,234 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2023-11-19 05:07:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2023-11-19 05:07:49,234 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2023-11-19 05:07:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-19 05:07:49,234 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-19 05:07:49,234 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-19 05:07:49,234 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-19 05:07:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2023-11-19 05:07:49,235 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2023-11-19 05:07:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2023-11-19 05:07:49,235 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2023-11-19 05:07:49,235 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-19 05:07:49,235 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-19 05:07:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2023-11-19 05:07:49,236 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2023-11-19 05:07:49,236 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2023-11-19 05:07:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2023-11-19 05:07:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-19 05:07:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2023-11-19 05:07:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2023-11-19 05:07:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-19 05:07:49,237 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-19 05:07:49,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 05:07:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-19 05:07:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-19 05:07:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-11-19 05:07:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-11-19 05:07:49,238 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2023-11-19 05:07:49,238 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2023-11-19 05:07:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:07:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2023-11-19 05:07:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2023-11-19 05:07:49,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-19 05:07:49,239 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-19 05:07:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-19 05:07:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-19 05:07:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2023-11-19 05:07:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2023-11-19 05:07:49,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 05:07:49,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-19 05:07:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2023-11-19 05:07:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2023-11-19 05:07:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2023-11-19 05:07:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2023-11-19 05:07:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 05:07:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2023-11-19 05:07:49,241 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2023-11-19 05:07:49,241 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2023-11-19 05:07:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2023-11-19 05:07:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-19 05:07:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-19 05:07:49,242 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2023-11-19 05:07:49,242 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2023-11-19 05:07:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-19 05:07:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-19 05:07:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:07:49,243 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2023-11-19 05:07:49,243 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2023-11-19 05:07:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-19 05:07:49,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-19 05:07:49,244 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2023-11-19 05:07:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2023-11-19 05:07:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-19 05:07:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2023-11-19 05:07:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2023-11-19 05:07:49,245 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2023-11-19 05:07:49,245 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2023-11-19 05:07:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:07:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-19 05:07:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2023-11-19 05:07:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2023-11-19 05:07:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2023-11-19 05:07:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2023-11-19 05:07:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-19 05:07:49,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-19 05:07:49,246 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2023-11-19 05:07:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2023-11-19 05:07:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-19 05:07:49,247 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-19 05:07:49,247 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-19 05:07:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-19 05:07:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:07:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:07:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-19 05:07:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-19 05:07:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-19 05:07:49,248 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-19 05:07:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-19 05:07:49,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-19 05:07:49,250 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-19 05:07:49,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-19 05:07:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2023-11-19 05:07:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2023-11-19 05:07:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-11-19 05:07:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-11-19 05:07:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2023-11-19 05:07:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2023-11-19 05:07:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 05:07:49,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-19 05:07:49,256 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-19 05:07:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-19 05:07:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2023-11-19 05:07:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2023-11-19 05:07:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-19 05:07:49,261 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-19 05:07:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2023-11-19 05:07:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2023-11-19 05:07:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2023-11-19 05:07:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2023-11-19 05:07:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2023-11-19 05:07:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2023-11-19 05:07:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-19 05:07:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-19 05:07:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2023-11-19 05:07:49,263 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2023-11-19 05:07:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-19 05:07:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-19 05:07:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-19 05:07:49,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-19 05:07:49,264 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-19 05:07:49,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-19 05:07:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:07:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-19 05:07:49,265 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-19 05:07:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2023-11-19 05:07:49,265 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2023-11-19 05:07:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-19 05:07:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2023-11-19 05:07:49,265 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2023-11-19 05:07:49,265 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2023-11-19 05:07:49,266 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2023-11-19 05:07:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2023-11-19 05:07:49,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2023-11-19 05:07:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-19 05:07:49,266 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-19 05:07:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-19 05:07:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-19 05:07:49,266 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-19 05:07:49,266 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2023-11-19 05:07:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2023-11-19 05:07:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-19 05:07:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-19 05:07:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2023-11-19 05:07:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2023-11-19 05:07:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-19 05:07:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-19 05:07:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-19 05:07:49,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-19 05:07:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2023-11-19 05:07:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2023-11-19 05:07:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-19 05:07:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-19 05:07:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-19 05:07:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-19 05:07:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2023-11-19 05:07:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2023-11-19 05:07:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-19 05:07:49,268 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-19 05:07:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-19 05:07:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-19 05:07:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2023-11-19 05:07:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2023-11-19 05:07:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-19 05:07:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-19 05:07:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2023-11-19 05:07:49,271 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2023-11-19 05:07:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-19 05:07:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-19 05:07:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2023-11-19 05:07:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2023-11-19 05:07:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2023-11-19 05:07:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2023-11-19 05:07:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2023-11-19 05:07:49,272 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2023-11-19 05:07:49,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:07:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2023-11-19 05:07:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2023-11-19 05:07:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-19 05:07:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-19 05:07:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2023-11-19 05:07:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2023-11-19 05:07:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2023-11-19 05:07:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2023-11-19 05:07:49,273 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-19 05:07:49,273 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-19 05:07:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2023-11-19 05:07:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2023-11-19 05:07:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-19 05:07:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-19 05:07:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-19 05:07:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-19 05:07:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2023-11-19 05:07:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2023-11-19 05:07:49,274 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2023-11-19 05:07:49,274 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2023-11-19 05:07:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2023-11-19 05:07:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2023-11-19 05:07:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2023-11-19 05:07:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2023-11-19 05:07:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2023-11-19 05:07:49,275 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2023-11-19 05:07:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-19 05:07:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:07:49,275 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-19 05:07:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-19 05:07:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2023-11-19 05:07:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2023-11-19 05:07:49,276 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-19 05:07:49,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-19 05:07:50,550 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:07:50,555 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:07:51,119 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-19 05:08:15,323 INFO L767 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-19 05:08:15,905 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:08:19,139 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:08:19,139 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 05:08:19,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:19 BoogieIcfgContainer [2023-11-19 05:08:19,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:08:19,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:08:19,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:08:19,175 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:08:19,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:07:42" (1/3) ... [2023-11-19 05:08:19,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7630c754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:19, skipping insertion in model container [2023-11-19 05:08:19,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:07:47" (2/3) ... [2023-11-19 05:08:19,177 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7630c754 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:08:19, skipping insertion in model container [2023-11-19 05:08:19,177 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:08:19" (3/3) ... [2023-11-19 05:08:19,179 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2023-11-19 05:08:19,203 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:08:19,203 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-19 05:08:19,341 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:08:19,352 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;@35908ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:08:19,352 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-19 05:08:19,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 2357 states, 1447 states have (on average 1.3165169315825846) internal successors, (1905), 1451 states have internal predecessors, (1905), 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) [2023-11-19 05:08:19,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2023-11-19 05:08:19,439 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:08:19,441 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] [2023-11-19 05:08:19,441 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)] === [2023-11-19 05:08:19,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:08:19,451 INFO L85 PathProgramCache]: Analyzing trace with hash 883540427, now seen corresponding path program 1 times [2023-11-19 05:08:19,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:08:19,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173726165] [2023-11-19 05:08:19,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:08:19,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:08:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:08:21,546 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5115 trivial. 0 not checked. [2023-11-19 05:08:21,546 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:08:21,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173726165] [2023-11-19 05:08:21,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173726165] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:08:21,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:08:21,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:08:21,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960878] [2023-11-19 05:08:21,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:08:21,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:08:21,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:08:21,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:08:21,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:08:21,625 INFO L87 Difference]: Start difference. First operand has 2357 states, 1447 states have (on average 1.3165169315825846) internal successors, (1905), 1451 states have internal predecessors, (1905), 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) [2023-11-19 05:08:25,589 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 []