./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_4c3adc07-212c-4546-8470-5cf0215a3e22/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3adc07-212c-4546-8470-5cf0215a3e22/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_4c3adc07-212c-4546-8470-5cf0215a3e22/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3adc07-212c-4546-8470-5cf0215a3e22/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3adc07-212c-4546-8470-5cf0215a3e22/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_4c3adc07-212c-4546-8470-5cf0215a3e22/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 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:13:39,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:13:39,318 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3adc07-212c-4546-8470-5cf0215a3e22/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-12 00:13:39,332 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:13:39,333 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 00:13:39,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:13:39,357 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 00:13:39,358 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 00:13:39,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:13:39,360 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 00:13:39,360 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 00:13:39,361 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 00:13:39,361 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 00:13:39,362 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 00:13:39,362 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 00:13:39,363 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 00:13:39,364 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 00:13:39,364 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 00:13:39,365 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 00:13:39,365 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 00:13:39,366 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 00:13:39,371 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 00:13:39,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:13:39,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:13:39,373 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:13:39,373 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:13:39,374 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:13:39,381 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:13:39,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:13:39,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:13:39,382 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:13:39,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:13:39,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 00:13:39,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:13:39,384 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:13:39,384 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:13:39,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:13:39,385 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 00:13:39,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:13:39,386 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:13:39,386 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 00:13:39,387 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 00:13:39,388 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_4c3adc07-212c-4546-8470-5cf0215a3e22/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3adc07-212c-4546-8470-5cf0215a3e22/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2023-11-12 00:13:39,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:13:39,739 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:13:39,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:13:39,744 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:13:39,745 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:13:39,746 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3adc07-212c-4546-8470-5cf0215a3e22/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2023-11-12 00:13:42,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:13:43,619 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:13:43,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3adc07-212c-4546-8470-5cf0215a3e22/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2023-11-12 00:13:43,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3adc07-212c-4546-8470-5cf0215a3e22/bin/utaipan-verify-NcY6lQBIFX/data/aa7cb85b8/348061adf03e463d93233fdc699db0e4/FLAG30d77cf87 [2023-11-12 00:13:43,704 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3adc07-212c-4546-8470-5cf0215a3e22/bin/utaipan-verify-NcY6lQBIFX/data/aa7cb85b8/348061adf03e463d93233fdc699db0e4 [2023-11-12 00:13:43,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:13:43,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:13:43,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:13:43,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:13:43,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:13:43,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:13:43" (1/1) ... [2023-11-12 00:13:43,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aadb2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:43, skipping insertion in model container [2023-11-12 00:13:43,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:13:43" (1/1) ... [2023-11-12 00:13:43,936 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:13:47,526 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_4c3adc07-212c-4546-8470-5cf0215a3e22/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2023-11-12 00:13:47,531 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_4c3adc07-212c-4546-8470-5cf0215a3e22/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2023-11-12 00:13:47,531 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_4c3adc07-212c-4546-8470-5cf0215a3e22/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2023-11-12 00:13:47,532 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_4c3adc07-212c-4546-8470-5cf0215a3e22/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2023-11-12 00:13:47,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:13:47,676 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:13:47,843 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [6715] [2023-11-12 00:13:47,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("":); [6722] [2023-11-12 00:13:47,854 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/net/cfg80211.h"), "i" (3014), "i" (12UL)); [6951-6952] [2023-11-12 00:13:48,246 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_4c3adc07-212c-4546-8470-5cf0215a3e22/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2023-11-12 00:13:48,246 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_4c3adc07-212c-4546-8470-5cf0215a3e22/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2023-11-12 00:13:48,247 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_4c3adc07-212c-4546-8470-5cf0215a3e22/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2023-11-12 00:13:48,247 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_4c3adc07-212c-4546-8470-5cf0215a3e22/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2023-11-12 00:13:48,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:13:48,532 WARN L672 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:13:48,540 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:13:48,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:48 WrapperNode [2023-11-12 00:13:48,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:13:48,542 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:13:48,542 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:13:48,542 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:13:48,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:48" (1/1) ... [2023-11-12 00:13:48,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:48" (1/1) ... [2023-11-12 00:13:49,071 INFO L138 Inliner]: procedures = 410, calls = 4685, calls flagged for inlining = 227, calls inlined = 201, statements flattened = 9771 [2023-11-12 00:13:49,072 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:13:49,073 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:13:49,073 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:13:49,073 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:13:49,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:48" (1/1) ... [2023-11-12 00:13:49,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:48" (1/1) ... [2023-11-12 00:13:49,147 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:48" (1/1) ... [2023-11-12 00:13:49,148 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:48" (1/1) ... [2023-11-12 00:13:49,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:48" (1/1) ... [2023-11-12 00:13:49,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:48" (1/1) ... [2023-11-12 00:13:49,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:48" (1/1) ... [2023-11-12 00:13:49,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:48" (1/1) ... [2023-11-12 00:13:49,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:13:49,589 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:13:49,589 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:13:49,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:13:49,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:48" (1/1) ... [2023-11-12 00:13:49,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 00:13:49,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3adc07-212c-4546-8470-5cf0215a3e22/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 00:13:49,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3adc07-212c-4546-8470-5cf0215a3e22/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 00:13:49,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4c3adc07-212c-4546-8470-5cf0215a3e22/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 00:13:49,666 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2023-11-12 00:13:49,666 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2023-11-12 00:13:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-11-12 00:13:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-11-12 00:13:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2023-11-12 00:13:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2023-11-12 00:13:49,667 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2023-11-12 00:13:49,667 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2023-11-12 00:13:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-12 00:13:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-12 00:13:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2023-11-12 00:13:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2023-11-12 00:13:49,668 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2023-11-12 00:13:49,668 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2023-11-12 00:13:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-12 00:13:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-12 00:13:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2023-11-12 00:13:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2023-11-12 00:13:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2023-11-12 00:13:49,669 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2023-11-12 00:13:49,669 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2023-11-12 00:13:49,671 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2023-11-12 00:13:49,671 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_err [2023-11-12 00:13:49,671 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_err [2023-11-12 00:13:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2023-11-12 00:13:49,673 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2023-11-12 00:13:49,673 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_netdev_dbg [2023-11-12 00:13:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_netdev_dbg [2023-11-12 00:13:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-12 00:13:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2023-11-12 00:13:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2023-11-12 00:13:49,674 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2023-11-12 00:13:49,674 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2023-11-12 00:13:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2023-11-12 00:13:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2023-11-12 00:13:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-12 00:13:49,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-12 00:13:49,675 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2023-11-12 00:13:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2023-11-12 00:13:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-12 00:13:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-12 00:13:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-12 00:13:49,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-12 00:13:49,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-12 00:13:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2023-11-12 00:13:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:13:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2023-11-12 00:13:49,677 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2023-11-12 00:13:49,677 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2023-11-12 00:13:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2023-11-12 00:13:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2023-11-12 00:13:49,678 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2023-11-12 00:13:49,678 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2023-11-12 00:13:49,679 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2023-11-12 00:13:49,679 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-12 00:13:49,680 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-12 00:13:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2023-11-12 00:13:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2023-11-12 00:13:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2023-11-12 00:13:49,681 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2023-11-12 00:13:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_info [2023-11-12 00:13:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_info [2023-11-12 00:13:49,682 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2023-11-12 00:13:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2023-11-12 00:13:49,682 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2023-11-12 00:13:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2023-11-12 00:13:49,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-12 00:13:49,683 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2023-11-12 00:13:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2023-11-12 00:13:49,684 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2023-11-12 00:13:49,684 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2023-11-12 00:13:49,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:13:49,684 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-12 00:13:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-12 00:13:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2023-11-12 00:13:49,685 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2023-11-12 00:13:49,685 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2023-11-12 00:13:49,686 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2023-11-12 00:13:49,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 00:13:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2023-11-12 00:13:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2023-11-12 00:13:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-12 00:13:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-12 00:13:49,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-12 00:13:49,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-12 00:13:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2023-11-12 00:13:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2023-11-12 00:13:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2023-11-12 00:13:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2023-11-12 00:13:49,688 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2023-11-12 00:13:49,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2023-11-12 00:13:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2023-11-12 00:13:49,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2023-11-12 00:13:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 00:13:49,689 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2023-11-12 00:13:49,689 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2023-11-12 00:13:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2023-11-12 00:13:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2023-11-12 00:13:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-12 00:13:49,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-12 00:13:49,690 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2023-11-12 00:13:49,691 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2023-11-12 00:13:49,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2023-11-12 00:13:49,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2023-11-12 00:13:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:13:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2023-11-12 00:13:49,692 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2023-11-12 00:13:49,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-12 00:13:49,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-12 00:13:49,693 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2023-11-12 00:13:49,693 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2023-11-12 00:13:49,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 00:13:49,694 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2023-11-12 00:13:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2023-11-12 00:13:49,694 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2023-11-12 00:13:49,694 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2023-11-12 00:13:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:13:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-12 00:13:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2023-11-12 00:13:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2023-11-12 00:13:49,695 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2023-11-12 00:13:49,695 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2023-11-12 00:13:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2023-11-12 00:13:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2023-11-12 00:13:49,696 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2023-11-12 00:13:49,696 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2023-11-12 00:13:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2023-11-12 00:13:49,697 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2023-11-12 00:13:49,697 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-12 00:13:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-12 00:13:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:13:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:13:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-12 00:13:49,698 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-12 00:13:49,698 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2023-11-12 00:13:49,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2023-11-12 00:13:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-12 00:13:49,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-12 00:13:49,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-12 00:13:49,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-12 00:13:49,704 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2023-11-12 00:13:49,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2023-11-12 00:13:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2023-11-12 00:13:49,705 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2023-11-12 00:13:49,705 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2023-11-12 00:13:49,706 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2023-11-12 00:13:49,707 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-12 00:13:49,707 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-12 00:13:49,708 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2023-11-12 00:13:49,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2023-11-12 00:13:49,713 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2023-11-12 00:13:49,714 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2023-11-12 00:13:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2023-11-12 00:13:49,715 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2023-11-12 00:13:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2023-11-12 00:13:49,715 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2023-11-12 00:13:49,715 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2023-11-12 00:13:49,716 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2023-11-12 00:13:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2023-11-12 00:13:49,716 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2023-11-12 00:13:49,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-12 00:13:49,716 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-12 00:13:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2023-11-12 00:13:49,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2023-11-12 00:13:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2023-11-12 00:13:49,717 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2023-11-12 00:13:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:13:49,717 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-12 00:13:49,717 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-12 00:13:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2023-11-12 00:13:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2023-11-12 00:13:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 00:13:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2023-11-12 00:13:49,718 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2023-11-12 00:13:49,718 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2023-11-12 00:13:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2023-11-12 00:13:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2023-11-12 00:13:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2023-11-12 00:13:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2023-11-12 00:13:49,719 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2023-11-12 00:13:49,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 00:13:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_warn [2023-11-12 00:13:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_warn [2023-11-12 00:13:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2023-11-12 00:13:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2023-11-12 00:13:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2023-11-12 00:13:49,720 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2023-11-12 00:13:49,720 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2023-11-12 00:13:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2023-11-12 00:13:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-12 00:13:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-12 00:13:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2023-11-12 00:13:49,721 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2023-11-12 00:13:49,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-12 00:13:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-12 00:13:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2023-11-12 00:13:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2023-11-12 00:13:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2023-11-12 00:13:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2023-11-12 00:13:49,722 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2023-11-12 00:13:49,722 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2023-11-12 00:13:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2023-11-12 00:13:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2023-11-12 00:13:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2023-11-12 00:13:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2023-11-12 00:13:49,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-12 00:13:49,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2023-11-12 00:13:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2023-11-12 00:13:49,724 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2023-11-12 00:13:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2023-11-12 00:13:49,724 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2023-11-12 00:13:49,724 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-12 00:13:49,724 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-12 00:13:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-12 00:13:49,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2023-11-12 00:13:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2023-11-12 00:13:49,725 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2023-11-12 00:13:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2023-11-12 00:13:49,725 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2023-11-12 00:13:49,725 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2023-11-12 00:13:49,726 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2023-11-12 00:13:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 00:13:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2023-11-12 00:13:49,726 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2023-11-12 00:13:49,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-12 00:13:49,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-12 00:13:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2023-11-12 00:13:49,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2023-11-12 00:13:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2023-11-12 00:13:49,727 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2023-11-12 00:13:49,727 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2023-11-12 00:13:49,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2023-11-12 00:13:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2023-11-12 00:13:49,728 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2023-11-12 00:13:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2023-11-12 00:13:49,728 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2023-11-12 00:13:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-12 00:13:49,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-12 00:13:49,728 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-12 00:13:49,729 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-12 00:13:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2023-11-12 00:13:49,729 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2023-11-12 00:13:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2023-11-12 00:13:49,729 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2023-11-12 00:13:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2023-11-12 00:13:49,730 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2023-11-12 00:13:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2023-11-12 00:13:49,730 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2023-11-12 00:13:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2023-11-12 00:13:49,730 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2023-11-12 00:13:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-12 00:13:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:13:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2023-11-12 00:13:49,731 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2023-11-12 00:13:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2023-11-12 00:13:49,731 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2023-11-12 00:13:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-12 00:13:49,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-12 00:13:50,906 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:13:50,916 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:13:51,540 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-12 00:14:12,249 INFO L770 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-12 00:14:12,778 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:14:15,707 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:14:15,708 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:14:15,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:15 BoogieIcfgContainer [2023-11-12 00:14:15,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:14:15,725 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 00:14:15,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 00:14:15,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 00:14:15,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:13:43" (1/3) ... [2023-11-12 00:14:15,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72403240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:15, skipping insertion in model container [2023-11-12 00:14:15,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:13:48" (2/3) ... [2023-11-12 00:14:15,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72403240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:14:15, skipping insertion in model container [2023-11-12 00:14:15,731 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:14:15" (3/3) ... [2023-11-12 00:14:15,732 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2023-11-12 00:14:15,754 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 00:14:15,755 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2023-11-12 00:14:15,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 00:14:15,889 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;@595a0965, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 00:14:15,889 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-11-12 00:14:15,907 INFO L276 IsEmpty]: Start isEmpty. Operand has 2352 states, 1451 states have (on average 1.315644383184011) internal successors, (1909), 1455 states have internal predecessors, (1909), 779 states have call successors, (779), 120 states have call predecessors, (779), 119 states have return successors, (771), 771 states have call predecessors, (771), 771 states have call successors, (771) [2023-11-12 00:14:15,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2023-11-12 00:14:15,962 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:15,964 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 00:14:15,964 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:14:15,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:15,970 INFO L85 PathProgramCache]: Analyzing trace with hash -189828609, now seen corresponding path program 1 times [2023-11-12 00:14:15,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:15,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871221895] [2023-11-12 00:14:15,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:15,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:17,577 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 00:14:17,578 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:14:17,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871221895] [2023-11-12 00:14:17,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871221895] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:17,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:17,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:14:17,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198390018] [2023-11-12 00:14:17,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:17,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:14:17,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:14:17,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:14:17,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:14:17,866 INFO L87 Difference]: Start difference. First operand has 2352 states, 1451 states have (on average 1.315644383184011) internal successors, (1909), 1455 states have internal predecessors, (1909), 779 states have call successors, (779), 120 states have call predecessors, (779), 119 states have return successors, (771), 771 states have call predecessors, (771), 771 states have call successors, (771) Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-11-12 00:14:21,326 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 00:14:24,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-12 00:14:26,769 WARN L539 Checker$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 00:14:27,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 00:14:27,435 INFO L93 Difference]: Finished difference Result 6826 states and 10325 transitions. [2023-11-12 00:14:27,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 00:14:27,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 384 [2023-11-12 00:14:27,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 00:14:27,491 INFO L225 Difference]: With dead ends: 6826 [2023-11-12 00:14:27,491 INFO L226 Difference]: Without dead ends: 4535 [2023-11-12 00:14:27,516 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 [2023-11-12 00:14:27,520 INFO L413 NwaCegarLoop]: 3063 mSDtfsCounter, 3255 mSDsluCounter, 3013 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 13 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3255 SdHoareTripleChecker+Valid, 6076 SdHoareTripleChecker+Invalid, 830 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2023-11-12 00:14:27,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3255 Valid, 6076 Invalid, 830 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 814 Invalid, 3 Unknown, 0 Unchecked, 9.1s Time] [2023-11-12 00:14:27,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4535 states. [2023-11-12 00:14:27,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4535 to 4531. [2023-11-12 00:14:27,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4531 states, 2818 states have (on average 1.3126330731014904) internal successors, (3699), 2825 states have internal predecessors, (3699), 1476 states have call successors, (1476), 235 states have call predecessors, (1476), 234 states have return successors, (1472), 1472 states have call predecessors, (1472), 1472 states have call successors, (1472) [2023-11-12 00:14:27,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4531 states to 4531 states and 6647 transitions. [2023-11-12 00:14:27,938 INFO L78 Accepts]: Start accepts. Automaton has 4531 states and 6647 transitions. Word has length 384 [2023-11-12 00:14:27,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 00:14:27,945 INFO L495 AbstractCegarLoop]: Abstraction has 4531 states and 6647 transitions. [2023-11-12 00:14:27,945 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 3 states have call successors, (43), 2 states have call predecessors, (43), 1 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2023-11-12 00:14:27,945 INFO L276 IsEmpty]: Start isEmpty. Operand 4531 states and 6647 transitions. [2023-11-12 00:14:27,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2023-11-12 00:14:27,966 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 00:14:27,967 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] [2023-11-12 00:14:27,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 00:14:27,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2023-11-12 00:14:27,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:14:27,968 INFO L85 PathProgramCache]: Analyzing trace with hash 596312652, now seen corresponding path program 1 times [2023-11-12 00:14:27,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 00:14:27,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855476492] [2023-11-12 00:14:27,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 00:14:27,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:14:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:14:29,060 INFO L134 CoverageAnalysis]: Checked inductivity of 5118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5118 trivial. 0 not checked. [2023-11-12 00:14:29,060 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 00:14:29,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855476492] [2023-11-12 00:14:29,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [855476492] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 00:14:29,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 00:14:29,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 00:14:29,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717094131] [2023-11-12 00:14:29,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 00:14:29,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 00:14:29,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 00:14:29,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 00:14:29,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 00:14:29,067 INFO L87 Difference]: Start difference. First operand 4531 states and 6647 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42)