./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 cf1a7837 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_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/bin/utaipan-verify-NcY6lQBIFX/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_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/bin/utaipan-verify-NcY6lQBIFX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:54:52,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:54:52,149 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:54:52,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:54:52,155 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:54:52,182 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:54:52,183 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:54:52,184 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:54:52,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:54:52,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:54:52,186 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:54:52,187 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:54:52,187 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:54:52,188 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:54:52,189 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:54:52,189 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:54:52,190 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:54:52,190 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:54:52,191 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:54:52,191 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:54:52,192 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:54:52,193 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:54:52,193 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:54:52,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:54:52,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:54:52,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:54:52,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:54:52,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:54:52,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:54:52,197 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:54:52,197 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:54:52,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:54:52,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:54:52,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:54:52,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:54:52,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:54:52,200 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:54:52,200 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:54:52,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:54:52,201 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:54:52,201 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:54:52,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:54:52,203 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_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/bin/utaipan-verify-NcY6lQBIFX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 [2023-11-12 00:54:52,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:54:52,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:54:52,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:54:52,539 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:54:52,540 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:54:52,541 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2023-11-12 00:54:55,702 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:54:56,525 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:54:56,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2023-11-12 00:54:56,596 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/bin/utaipan-verify-NcY6lQBIFX/data/5d0f0e8a8/04833118f07649f08b6c08ff1d3f496e/FLAG88c74db19 [2023-11-12 00:54:56,619 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/bin/utaipan-verify-NcY6lQBIFX/data/5d0f0e8a8/04833118f07649f08b6c08ff1d3f496e [2023-11-12 00:54:56,626 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:54:56,629 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:54:56,633 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:54:56,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:54:56,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:54:56,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:56" (1/1) ... [2023-11-12 00:54:56,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d640103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:54:56, skipping insertion in model container [2023-11-12 00:54:56,644 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:54:56" (1/1) ... [2023-11-12 00:54:56,943 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:55:01,284 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_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2023-11-12 00:55:01,289 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_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2023-11-12 00:55:01,290 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_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2023-11-12 00:55:01,290 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_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2023-11-12 00:55:01,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:01,382 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:55:01,587 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] [2023-11-12 00:55:01,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6708] [2023-11-12 00:55:01,596 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] [2023-11-12 00:55:01,975 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_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2023-11-12 00:55:01,976 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_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2023-11-12 00:55:01,976 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_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2023-11-12 00:55:01,976 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_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2023-11-12 00:55:01,983 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:55:02,266 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:55:02,273 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:55:02,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:02 WrapperNode [2023-11-12 00:55:02,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:55:02,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:55:02,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:55:02,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:55:02,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:02" (1/1) ... [2023-11-12 00:55:02,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:02" (1/1) ... [2023-11-12 00:55:02,773 INFO L138 Inliner]: procedures = 473, calls = 4811, calls flagged for inlining = 229, calls inlined = 199, statements flattened = 9407 [2023-11-12 00:55:02,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:55:02,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:55:02,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:55:02,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:55:02,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:02" (1/1) ... [2023-11-12 00:55:02,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:02" (1/1) ... [2023-11-12 00:55:02,860 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:02" (1/1) ... [2023-11-12 00:55:02,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:02" (1/1) ... [2023-11-12 00:55:03,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:02" (1/1) ... [2023-11-12 00:55:03,158 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:02" (1/1) ... [2023-11-12 00:55:03,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:02" (1/1) ... [2023-11-12 00:55:03,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:02" (1/1) ... [2023-11-12 00:55:03,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:55:03,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:55:03,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:55:03,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:55:03,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:02" (1/1) ... [2023-11-12 00:55:03,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:55:03,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:55:03,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:55:03,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0662e2de-fd3c-4bc3-8c1e-0a7f339457d6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:55:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2023-11-12 00:55:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2023-11-12 00:55:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-11-12 00:55:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-11-12 00:55:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2023-11-12 00:55:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2023-11-12 00:55:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2023-11-12 00:55:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2023-11-12 00:55:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:55:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:55:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2023-11-12 00:55:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2023-11-12 00:55:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2023-11-12 00:55:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2023-11-12 00:55:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:55:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:55:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2023-11-12 00:55:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2023-11-12 00:55:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:55:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-12 00:55:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2023-11-12 00:55:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2023-11-12 00:55:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2023-11-12 00:55:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2023-11-12 00:55:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-12 00:55:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-12 00:55:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2023-11-12 00:55:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2023-11-12 00:55:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-12 00:55:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-12 00:55:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:55:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2023-11-12 00:55:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2023-11-12 00:55:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2023-11-12 00:55:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2023-11-12 00:55:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2023-11-12 00:55:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2023-11-12 00:55:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:55:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:55:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-12 00:55:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-12 00:55:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:55:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:55:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:55:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:55:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:55:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2023-11-12 00:55:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2023-11-12 00:55:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2023-11-12 00:55:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2023-11-12 00:55:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2023-11-12 00:55:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2023-11-12 00:55:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-12 00:55:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-12 00:55:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:55:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:55:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2023-11-12 00:55:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2023-11-12 00:55:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2023-11-12 00:55:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2023-11-12 00:55:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 00:55:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 00:55:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2023-11-12 00:55:03,383 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2023-11-12 00:55:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2023-11-12 00:55:03,384 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2023-11-12 00:55:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:55:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2023-11-12 00:55:03,384 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2023-11-12 00:55:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-12 00:55:03,384 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-12 00:55:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:55:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:55:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:55:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-11-12 00:55:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-11-12 00:55:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2023-11-12 00:55:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2023-11-12 00:55:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:55:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2023-11-12 00:55:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2023-11-12 00:55:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:55:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:55:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:55:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:55:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2023-11-12 00:55:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2023-11-12 00:55:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:55:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-12 00:55:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2023-11-12 00:55:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2023-11-12 00:55:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2023-11-12 00:55:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2023-11-12 00:55:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:55:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2023-11-12 00:55:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2023-11-12 00:55:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2023-11-12 00:55:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2023-11-12 00:55:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:55:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:55:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2023-11-12 00:55:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2023-11-12 00:55:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 00:55:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 00:55:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:55:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2023-11-12 00:55:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2023-11-12 00:55:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:55:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:55:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2023-11-12 00:55:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2023-11-12 00:55:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:55:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2023-11-12 00:55:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2023-11-12 00:55:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2023-11-12 00:55:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2023-11-12 00:55:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:55:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:55:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2023-11-12 00:55:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2023-11-12 00:55:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2023-11-12 00:55:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2023-11-12 00:55:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 00:55:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 00:55:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2023-11-12 00:55:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2023-11-12 00:55:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-12 00:55:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-12 00:55:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:55:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:55:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:55:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:55:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:55:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:55:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-12 00:55:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-12 00:55:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:55:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:55:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:55:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:55:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2023-11-12 00:55:03,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2023-11-12 00:55:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-11-12 00:55:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-11-12 00:55:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2023-11-12 00:55:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2023-11-12 00:55:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:55:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-12 00:55:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:55:03,408 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:55:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2023-11-12 00:55:03,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2023-11-12 00:55:03,408 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-12 00:55:03,409 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-12 00:55:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2023-11-12 00:55:03,409 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2023-11-12 00:55:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2023-11-12 00:55:03,409 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2023-11-12 00:55:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2023-11-12 00:55:03,409 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2023-11-12 00:55:03,409 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-12 00:55:03,409 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-12 00:55:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2023-11-12 00:55:03,410 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2023-11-12 00:55:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:55:03,410 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:55:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-12 00:55:03,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-12 00:55:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-12 00:55:03,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-12 00:55:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:55:03,410 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:55:03,411 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:55:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2023-11-12 00:55:03,411 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2023-11-12 00:55:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:55:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2023-11-12 00:55:03,411 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2023-11-12 00:55:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2023-11-12 00:55:03,411 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2023-11-12 00:55:03,411 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2023-11-12 00:55:03,412 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2023-11-12 00:55:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-12 00:55:03,412 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-12 00:55:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:55:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-12 00:55:03,412 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-12 00:55:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2023-11-12 00:55:03,412 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2023-11-12 00:55:03,412 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:55:03,412 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:55:03,413 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2023-11-12 00:55:03,413 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2023-11-12 00:55:03,413 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-12 00:55:03,413 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-12 00:55:03,413 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:55:03,413 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:55:03,413 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2023-11-12 00:55:03,413 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2023-11-12 00:55:03,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:55:03,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:55:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 00:55:03,414 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 00:55:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2023-11-12 00:55:03,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2023-11-12 00:55:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-12 00:55:03,414 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-12 00:55:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:55:03,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:55:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2023-11-12 00:55:03,415 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2023-11-12 00:55:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-12 00:55:03,415 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-12 00:55:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2023-11-12 00:55:03,415 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2023-11-12 00:55:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:55:03,415 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:55:03,415 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2023-11-12 00:55:03,415 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2023-11-12 00:55:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2023-11-12 00:55:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2023-11-12 00:55:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2023-11-12 00:55:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2023-11-12 00:55:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:55:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2023-11-12 00:55:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2023-11-12 00:55:03,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:55:03,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:55:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2023-11-12 00:55:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2023-11-12 00:55:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2023-11-12 00:55:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2023-11-12 00:55:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 00:55:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 00:55:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2023-11-12 00:55:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2023-11-12 00:55:03,417 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:55:03,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:55:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 00:55:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 00:55:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2023-11-12 00:55:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2023-11-12 00:55:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2023-11-12 00:55:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2023-11-12 00:55:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2023-11-12 00:55:03,418 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2023-11-12 00:55:03,418 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2023-11-12 00:55:03,419 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2023-11-12 00:55:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2023-11-12 00:55:03,419 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2023-11-12 00:55:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-12 00:55:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:55:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-12 00:55:03,419 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-12 00:55:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2023-11-12 00:55:03,419 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2023-11-12 00:55:03,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:55:03,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:55:04,576 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:55:04,585 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:55:05,166 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:55:27,766 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:55:28,262 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:55:31,401 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:55:31,401 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:55:31,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:31 BoogieIcfgContainer [2023-11-12 00:55:31,410 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:55:31,419 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:55:31,419 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:55:31,423 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:55:31,423 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:54:56" (1/3) ... [2023-11-12 00:55:31,425 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5aaa1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:55:31, skipping insertion in model container [2023-11-12 00:55:31,425 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:55:02" (2/3) ... [2023-11-12 00:55:31,427 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f5aaa1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:55:31, skipping insertion in model container [2023-11-12 00:55:31,427 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:55:31" (3/3) ... [2023-11-12 00:55:31,429 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2023-11-12 00:55:31,453 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:55:31,455 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 00:55:31,594 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:55:31,605 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;@4ab7912d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:55:31,605 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 00:55:31,622 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) [2023-11-12 00:55:31,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2023-11-12 00:55:31,681 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:55:31,682 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] [2023-11-12 00:55:31,683 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)] === [2023-11-12 00:55:31,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:55:31,689 INFO L85 PathProgramCache]: Analyzing trace with hash 883540427, now seen corresponding path program 1 times [2023-11-12 00:55:31,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:55:31,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96274420] [2023-11-12 00:55:31,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:55:31,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:55:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:55:33,760 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5115 trivial. 0 not checked. [2023-11-12 00:55:33,761 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:55:33,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96274420] [2023-11-12 00:55:33,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96274420] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:55:33,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:55:33,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:55:33,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649356458] [2023-11-12 00:55:33,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:55:33,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:55:33,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:55:33,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:55:33,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:55:33,822 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) [2023-11-12 00:55:37,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:55:40,886 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 []