./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 30e01a73 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_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/bin/utaipan-verify-mE87zJ7Ire/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_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:30:58,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:30:58,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:30:58,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:30:58,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:30:58,650 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:30:58,651 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:30:58,651 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:30:58,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:30:58,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:30:58,660 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:30:58,660 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:30:58,661 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:30:58,663 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:30:58,663 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:30:58,664 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:30:58,664 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:30:58,664 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:30:58,665 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:30:58,665 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:30:58,667 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:30:58,668 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:30:58,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:30:58,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:30:58,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:30:58,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:30:58,671 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:30:58,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:30:58,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:30:58,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:30:58,674 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:30:58,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:30:58,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:30:58,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:30:58,675 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:30:58,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:30:58,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:30:58,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:30:58,677 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:30:58,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:30:58,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:30:58,677 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:30:58,678 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:30:58,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:30:58,679 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_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/bin/utaipan-verify-mE87zJ7Ire/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6a79b35c65887feb0e3310d99b98c096a3638844b86132f83b5aa5c0d07bcad8 [2023-11-23 21:30:58,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:30:59,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:30:59,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:30:59,040 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:30:59,040 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:30:59,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2023-11-23 21:31:02,204 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:03,041 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:03,042 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2023-11-23 21:31:03,112 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/bin/utaipan-verify-mE87zJ7Ire/data/bf2697339/7b843a4beb0e40f2b4a1dd6162f0f823/FLAG4e817a4d4 [2023-11-23 21:31:03,128 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/bin/utaipan-verify-mE87zJ7Ire/data/bf2697339/7b843a4beb0e40f2b4a1dd6162f0f823 [2023-11-23 21:31:03,131 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:03,132 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:03,134 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:03,134 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:03,139 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:03,140 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:03" (1/1) ... [2023-11-23 21:31:03,141 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c7a1f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:03, skipping insertion in model container [2023-11-23 21:31:03,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:03" (1/1) ... [2023-11-23 21:31:03,399 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:07,255 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_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2023-11-23 21:31:07,260 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2023-11-23 21:31:07,263 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_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2023-11-23 21:31:07,263 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_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2023-11-23 21:31:07,291 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:07,407 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:31:07,555 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] [2023-11-23 21:31:07,557 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6708] [2023-11-23 21:31:07,567 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] [2023-11-23 21:31:07,922 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_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490366,490379] [2023-11-23 21:31:07,922 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_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490535,490548] [2023-11-23 21:31:07,923 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_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490702,490715] [2023-11-23 21:31:07,923 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_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i[490870,490883] [2023-11-23 21:31:07,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:08,270 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:31:08,278 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:31:08,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:08 WrapperNode [2023-11-23 21:31:08,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:08,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:08,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:31:08,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:31:08,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:08" (1/1) ... [2023-11-23 21:31:08,464 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:08" (1/1) ... [2023-11-23 21:31:08,716 INFO L138 Inliner]: procedures = 473, calls = 4811, calls flagged for inlining = 229, calls inlined = 199, statements flattened = 9407 [2023-11-23 21:31:08,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:08,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:31:08,717 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:31:08,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:31:08,728 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:08" (1/1) ... [2023-11-23 21:31:08,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:08" (1/1) ... [2023-11-23 21:31:08,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:08" (1/1) ... [2023-11-23 21:31:08,772 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:08" (1/1) ... [2023-11-23 21:31:09,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:08" (1/1) ... [2023-11-23 21:31:09,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:08" (1/1) ... [2023-11-23 21:31:09,158 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:08" (1/1) ... [2023-11-23 21:31:09,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:08" (1/1) ... [2023-11-23 21:31:09,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:31:09,251 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:31:09,251 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:31:09,251 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:31:09,252 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:08" (1/1) ... [2023-11-23 21:31:09,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:09,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:09,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:31:09,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3dfce92c-ae5b-4ec7-8491-ab26cd5c279e/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:31:09,329 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2023-11-23 21:31:09,329 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2023-11-23 21:31:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-11-23 21:31:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-11-23 21:31:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2023-11-23 21:31:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2023-11-23 21:31:09,330 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2023-11-23 21:31:09,330 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2023-11-23 21:31:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:31:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:31:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2023-11-23 21:31:09,331 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2023-11-23 21:31:09,331 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2023-11-23 21:31:09,332 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2023-11-23 21:31:09,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:31:09,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:31:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2023-11-23 21:31:09,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2023-11-23 21:31:09,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:31:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2023-11-23 21:31:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2023-11-23 21:31:09,335 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2023-11-23 21:31:09,335 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2023-11-23 21:31:09,336 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2023-11-23 21:31:09,336 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-23 21:31:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-23 21:31:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2023-11-23 21:31:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2023-11-23 21:31:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-23 21:31:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-23 21:31:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:31:09,337 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2023-11-23 21:31:09,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2023-11-23 21:31:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2023-11-23 21:31:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2023-11-23 21:31:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2023-11-23 21:31:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2023-11-23 21:31:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:31:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:31:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-23 21:31:09,338 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-23 21:31:09,338 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-23 21:31:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-23 21:31:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:31:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:31:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:31:09,339 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2023-11-23 21:31:09,339 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2023-11-23 21:31:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2023-11-23 21:31:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2023-11-23 21:31:09,340 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2023-11-23 21:31:09,340 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2023-11-23 21:31:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-23 21:31:09,341 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-23 21:31:09,341 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:31:09,342 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:31:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2023-11-23 21:31:09,342 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2023-11-23 21:31:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2023-11-23 21:31:09,342 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2023-11-23 21:31:09,342 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-23 21:31:09,343 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-23 21:31:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2023-11-23 21:31:09,343 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2023-11-23 21:31:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2023-11-23 21:31:09,343 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2023-11-23 21:31:09,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:31:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2023-11-23 21:31:09,344 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2023-11-23 21:31:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-23 21:31:09,344 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-23 21:31:09,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:31:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:31:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:31:09,345 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-11-23 21:31:09,345 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-11-23 21:31:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2023-11-23 21:31:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2023-11-23 21:31:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:31:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2023-11-23 21:31:09,346 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2023-11-23 21:31:09,346 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:31:09,347 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:31:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:31:09,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:31:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2023-11-23 21:31:09,347 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2023-11-23 21:31:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:31:09,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2023-11-23 21:31:09,347 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2023-11-23 21:31:09,347 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2023-11-23 21:31:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2023-11-23 21:31:09,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2023-11-23 21:31:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:31:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2023-11-23 21:31:09,348 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2023-11-23 21:31:09,348 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2023-11-23 21:31:09,348 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2023-11-23 21:31:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:31:09,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:31:09,349 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2023-11-23 21:31:09,349 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2023-11-23 21:31:09,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-23 21:31:09,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-23 21:31:09,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:31:09,350 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2023-11-23 21:31:09,350 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2023-11-23 21:31:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:31:09,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:31:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2023-11-23 21:31:09,351 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2023-11-23 21:31:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:31:09,351 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2023-11-23 21:31:09,352 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2023-11-23 21:31:09,352 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2023-11-23 21:31:09,352 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2023-11-23 21:31:09,352 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:31:09,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:31:09,352 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2023-11-23 21:31:09,352 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2023-11-23 21:31:09,352 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2023-11-23 21:31:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2023-11-23 21:31:09,353 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-23 21:31:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-23 21:31:09,353 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2023-11-23 21:31:09,353 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2023-11-23 21:31:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-23 21:31:09,354 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-23 21:31:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:31:09,354 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:31:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:31:09,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:31:09,354 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:31:09,355 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:31:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-23 21:31:09,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-23 21:31:09,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:31:09,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:31:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:31:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:31:09,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2023-11-23 21:31:09,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2023-11-23 21:31:09,361 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-11-23 21:31:09,361 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-11-23 21:31:09,362 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2023-11-23 21:31:09,362 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2023-11-23 21:31:09,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:31:09,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2023-11-23 21:31:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 21:31:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 21:31:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2023-11-23 21:31:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2023-11-23 21:31:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-23 21:31:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-23 21:31:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2023-11-23 21:31:09,368 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2023-11-23 21:31:09,368 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2023-11-23 21:31:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2023-11-23 21:31:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2023-11-23 21:31:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2023-11-23 21:31:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:31:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:31:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2023-11-23 21:31:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2023-11-23 21:31:09,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:31:09,369 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:31:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-23 21:31:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-23 21:31:09,370 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-23 21:31:09,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-23 21:31:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:31:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:31:09,371 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:31:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2023-11-23 21:31:09,371 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2023-11-23 21:31:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:31:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2023-11-23 21:31:09,371 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2023-11-23 21:31:09,371 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2023-11-23 21:31:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2023-11-23 21:31:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2023-11-23 21:31:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2023-11-23 21:31:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-23 21:31:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-23 21:31:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:31:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-23 21:31:09,372 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-23 21:31:09,372 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2023-11-23 21:31:09,373 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2023-11-23 21:31:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-23 21:31:09,373 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-23 21:31:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2023-11-23 21:31:09,373 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2023-11-23 21:31:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:31:09,373 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:31:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-23 21:31:09,373 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-23 21:31:09,373 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2023-11-23 21:31:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2023-11-23 21:31:09,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:31:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:31:09,374 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-23 21:31:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-23 21:31:09,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2023-11-23 21:31:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2023-11-23 21:31:09,374 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-23 21:31:09,374 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-23 21:31:09,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-23 21:31:09,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-23 21:31:09,375 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2023-11-23 21:31:09,375 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2023-11-23 21:31:09,375 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-23 21:31:09,375 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-23 21:31:09,375 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2023-11-23 21:31:09,375 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2023-11-23 21:31:09,375 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:31:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:31:09,376 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2023-11-23 21:31:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2023-11-23 21:31:09,376 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2023-11-23 21:31:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2023-11-23 21:31:09,376 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2023-11-23 21:31:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2023-11-23 21:31:09,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:31:09,376 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2023-11-23 21:31:09,376 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2023-11-23 21:31:09,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:31:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:31:09,377 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2023-11-23 21:31:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2023-11-23 21:31:09,377 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2023-11-23 21:31:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2023-11-23 21:31:09,377 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-23 21:31:09,377 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-23 21:31:09,377 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2023-11-23 21:31:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2023-11-23 21:31:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:31:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:31:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-23 21:31:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-23 21:31:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2023-11-23 21:31:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2023-11-23 21:31:09,378 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2023-11-23 21:31:09,378 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2023-11-23 21:31:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2023-11-23 21:31:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2023-11-23 21:31:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2023-11-23 21:31:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2023-11-23 21:31:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2023-11-23 21:31:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2023-11-23 21:31:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-23 21:31:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:31:09,379 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-23 21:31:09,379 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-23 21:31:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2023-11-23 21:31:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2023-11-23 21:31:09,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:31:09,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:31:10,568 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:31:10,577 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:31:11,030 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:31:30,123 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:31:30,610 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:31:34,118 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:31:34,120 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:31:34,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:34 BoogieIcfgContainer [2023-11-23 21:31:34,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:31:34,133 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:31:34,133 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:31:34,137 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:31:34,137 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:31:03" (1/3) ... [2023-11-23 21:31:34,138 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27516beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:34, skipping insertion in model container [2023-11-23 21:31:34,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:08" (2/3) ... [2023-11-23 21:31:34,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27516beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:31:34, skipping insertion in model container [2023-11-23 21:31:34,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:31:34" (3/3) ... [2023-11-23 21:31:34,143 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rndis_wlan.cil.i [2023-11-23 21:31:34,169 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:31:34,169 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-23 21:31:34,305 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:31:34,316 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;@6923a80c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:31:34,316 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-23 21:31:34,333 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) [2023-11-23 21:31:34,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2023-11-23 21:31:34,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:34,402 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] [2023-11-23 21:31:34,403 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)] === [2023-11-23 21:31:34,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:34,413 INFO L85 PathProgramCache]: Analyzing trace with hash 1218120759, now seen corresponding path program 1 times [2023-11-23 21:31:34,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:31:34,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127945011] [2023-11-23 21:31:34,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:34,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:31:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:31:36,618 INFO L134 CoverageAnalysis]: Checked inductivity of 5115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5115 trivial. 0 not checked. [2023-11-23 21:31:36,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:31:36,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127945011] [2023-11-23 21:31:36,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127945011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:31:36,620 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:31:36,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:31:36,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375533419] [2023-11-23 21:31:36,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:31:36,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:31:36,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:31:36,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:31:36,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:31:36,694 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) [2023-11-23 21:31:40,868 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 [] [2023-11-23 21:31:44,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:31:46,620 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-23 21:31:47,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:31:47,541 INFO L93 Difference]: Finished difference Result 6834 states and 10128 transitions. [2023-11-23 21:31:47,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:31:47,546 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 385 [2023-11-23 21:31:47,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:31:47,626 INFO L225 Difference]: With dead ends: 6834 [2023-11-23 21:31:47,626 INFO L226 Difference]: Without dead ends: 4538 [2023-11-23 21:31:47,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:31:47,657 INFO L413 NwaCegarLoop]: 3077 mSDtfsCounter, 3254 mSDsluCounter, 3027 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3254 SdHoareTripleChecker+Valid, 6104 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-11-23 21:31:47,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3254 Valid, 6104 Invalid, 830 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 814 Invalid, 3 Unknown, 0 Unchecked, 10.3s Time] [2023-11-23 21:31:47,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4538 states. [2023-11-23 21:31:48,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4538 to 4534. [2023-11-23 21:31:48,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4534 states, 2810 states have (on average 1.313523131672598) internal successors, (3691), 2817 states have internal predecessors, (3691), 1487 states have call successors, (1487), 235 states have call predecessors, (1487), 234 states have return successors, (1483), 1483 states have call predecessors, (1483), 1483 states have call successors, (1483) [2023-11-23 21:31:48,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4534 states to 4534 states and 6661 transitions. [2023-11-23 21:31:48,191 INFO L78 Accepts]: Start accepts. Automaton has 4534 states and 6661 transitions. Word has length 385 [2023-11-23 21:31:48,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:31:48,199 INFO L495 AbstractCegarLoop]: Abstraction has 4534 states and 6661 transitions. [2023-11-23 21:31:48,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-11-23 21:31:48,200 INFO L276 IsEmpty]: Start isEmpty. Operand 4534 states and 6661 transitions. [2023-11-23 21:31:48,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2023-11-23 21:31:48,230 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:31:48,230 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:31:48,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:31:48,231 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-23 21:31:48,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:31:48,232 INFO L85 PathProgramCache]: Analyzing trace with hash 731349131, now seen corresponding path program 1 times [2023-11-23 21:31:48,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:31:48,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707276308] [2023-11-23 21:31:48,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:31:48,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:31:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat