./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3709bd5f-e1c2-433e-91b3-60f25448c380/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3709bd5f-e1c2-433e-91b3-60f25448c380/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_3709bd5f-e1c2-433e-91b3-60f25448c380/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3709bd5f-e1c2-433e-91b3-60f25448c380/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3709bd5f-e1c2-433e-91b3-60f25448c380/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_3709bd5f-e1c2-433e-91b3-60f25448c380/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 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:09:00,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:09:00,869 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3709bd5f-e1c2-433e-91b3-60f25448c380/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:09:00,877 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:09:00,878 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:09:00,913 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:09:00,914 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:09:00,915 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:09:00,917 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:09:00,918 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:09:00,919 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:09:00,919 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:09:00,920 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:09:00,921 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:09:00,922 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:09:00,923 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:09:00,924 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:09:00,924 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:09:00,925 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:09:00,926 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:09:00,927 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:09:00,928 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:09:00,929 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:09:00,930 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:09:00,930 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:09:00,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:09:00,931 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:09:00,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:09:00,933 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:09:00,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:09:00,934 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:09:00,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:09:00,935 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:09:00,936 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:09:00,937 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:00,937 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:09:00,938 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:09:00,939 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:09:00,939 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:09:00,940 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:09:00,941 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:09:00,941 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:09:00,942 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:09:00,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:09:00,943 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_3709bd5f-e1c2-433e-91b3-60f25448c380/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3709bd5f-e1c2-433e-91b3-60f25448c380/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e0fc576d8a50911d793e48f3029c6fea512a91c8b7de6b4c98b61b2fe16dd8a [2023-11-23 21:09:01,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:09:01,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:09:01,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:09:01,367 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:09:01,368 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:09:01,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3709bd5f-e1c2-433e-91b3-60f25448c380/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-23 21:09:05,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:09:05,984 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:09:05,985 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3709bd5f-e1c2-433e-91b3-60f25448c380/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-23 21:09:06,088 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3709bd5f-e1c2-433e-91b3-60f25448c380/bin/utaipan-verify-mE87zJ7Ire/data/fe24266db/5751e462e7a74fb583d592ac52001d24/FLAG1ef4377df [2023-11-23 21:09:06,115 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3709bd5f-e1c2-433e-91b3-60f25448c380/bin/utaipan-verify-mE87zJ7Ire/data/fe24266db/5751e462e7a74fb583d592ac52001d24 [2023-11-23 21:09:06,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:09:06,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:09:06,128 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:06,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:09:06,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:09:06,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:06" (1/1) ... [2023-11-23 21:09:06,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bbf714f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:06, skipping insertion in model container [2023-11-23 21:09:06,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:09:06" (1/1) ... [2023-11-23 21:09:06,466 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:09:11,575 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_3709bd5f-e1c2-433e-91b3-60f25448c380/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2023-11-23 21:09:11,581 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_3709bd5f-e1c2-433e-91b3-60f25448c380/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2023-11-23 21:09:11,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:11,724 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:09:11,994 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 *)"/home/debian/klever-work/native-scheduler-work-dir/scheduler/jobs/dfbfd2da522a1f5f4786ee57b863db44/klever-core-work-dir/de2fed6/linux-alloc-spinlock/lkbce/arch/x86/include/asm/paravirt.h"), "i" (804), "i" (12UL)); [6530-6531] [2023-11-23 21:09:11,996 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (44UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [6536-6538] [2023-11-23 21:09:12,011 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/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [6759-6760] [2023-11-23 21:09:12,016 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/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [6793-6794] [2023-11-23 21:09:12,442 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_3709bd5f-e1c2-433e-91b3-60f25448c380/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460294,460307] [2023-11-23 21:09:12,443 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_3709bd5f-e1c2-433e-91b3-60f25448c380/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[460439,460452] [2023-11-23 21:09:12,453 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:09:12,863 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:09:12,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:12 WrapperNode [2023-11-23 21:09:12,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:09:12,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:12,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:09:12,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:09:12,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:12" (1/1) ... [2023-11-23 21:09:13,095 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:12" (1/1) ... [2023-11-23 21:09:13,428 INFO L138 Inliner]: procedures = 521, calls = 3911, calls flagged for inlining = 277, calls inlined = 262, statements flattened = 7553 [2023-11-23 21:09:13,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:09:13,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:09:13,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:09:13,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:09:13,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:12" (1/1) ... [2023-11-23 21:09:13,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:12" (1/1) ... [2023-11-23 21:09:13,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:12" (1/1) ... [2023-11-23 21:09:13,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:12" (1/1) ... [2023-11-23 21:09:13,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:12" (1/1) ... [2023-11-23 21:09:13,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:12" (1/1) ... [2023-11-23 21:09:13,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:12" (1/1) ... [2023-11-23 21:09:14,082 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:12" (1/1) ... [2023-11-23 21:09:14,154 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:09:14,156 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:09:14,156 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:09:14,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:09:14,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:12" (1/1) ... [2023-11-23 21:09:14,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:09:14,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3709bd5f-e1c2-433e-91b3-60f25448c380/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:09:14,199 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3709bd5f-e1c2-433e-91b3-60f25448c380/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:09:14,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3709bd5f-e1c2-433e-91b3-60f25448c380/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:09:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2023-11-23 21:09:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2023-11-23 21:09:14,250 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2023-11-23 21:09:14,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2023-11-23 21:09:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2023-11-23 21:09:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2023-11-23 21:09:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2023-11-23 21:09:14,251 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2023-11-23 21:09:14,251 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2023-11-23 21:09:14,252 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2023-11-23 21:09:14,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:09:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:09:14,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:09:14,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:09:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2023-11-23 21:09:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2023-11-23 21:09:14,254 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2023-11-23 21:09:14,254 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2023-11-23 21:09:14,255 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-23 21:09:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-23 21:09:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-23 21:09:14,256 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-23 21:09:14,256 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:09:14,257 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:09:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2023-11-23 21:09:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2023-11-23 21:09:14,258 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2023-11-23 21:09:14,258 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2023-11-23 21:09:14,259 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2023-11-23 21:09:14,259 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2023-11-23 21:09:14,260 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2023-11-23 21:09:14,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2023-11-23 21:09:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2023-11-23 21:09:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2023-11-23 21:09:14,261 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2023-11-23 21:09:14,261 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2023-11-23 21:09:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2023-11-23 21:09:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2023-11-23 21:09:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:09:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:09:14,262 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-23 21:09:14,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-23 21:09:14,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2023-11-23 21:09:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2023-11-23 21:09:14,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:09:14,263 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2023-11-23 21:09:14,263 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2023-11-23 21:09:14,263 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2023-11-23 21:09:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2023-11-23 21:09:14,264 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2023-11-23 21:09:14,264 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2023-11-23 21:09:14,264 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:09:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2023-11-23 21:09:14,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2023-11-23 21:09:14,265 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2023-11-23 21:09:14,266 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2023-11-23 21:09:14,266 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-23 21:09:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-23 21:09:14,267 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:09:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:09:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2023-11-23 21:09:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2023-11-23 21:09:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:09:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2023-11-23 21:09:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2023-11-23 21:09:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2023-11-23 21:09:14,269 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2023-11-23 21:09:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:09:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-23 21:09:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-23 21:09:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2023-11-23 21:09:14,270 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2023-11-23 21:09:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:09:14,271 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:09:14,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2023-11-23 21:09:14,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2023-11-23 21:09:14,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2023-11-23 21:09:14,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2023-11-23 21:09:14,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2023-11-23 21:09:14,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2023-11-23 21:09:14,272 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:09:14,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:09:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-23 21:09:14,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-23 21:09:14,273 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2023-11-23 21:09:14,273 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2023-11-23 21:09:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2023-11-23 21:09:14,274 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2023-11-23 21:09:14,274 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-23 21:09:14,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-23 21:09:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-23 21:09:14,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-23 21:09:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2023-11-23 21:09:14,275 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2023-11-23 21:09:14,275 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2023-11-23 21:09:14,275 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2023-11-23 21:09:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2023-11-23 21:09:14,276 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2023-11-23 21:09:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2023-11-23 21:09:14,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2023-11-23 21:09:14,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:09:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2023-11-23 21:09:14,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2023-11-23 21:09:14,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2023-11-23 21:09:14,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2023-11-23 21:09:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:09:14,278 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2023-11-23 21:09:14,278 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2023-11-23 21:09:14,279 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2023-11-23 21:09:14,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2023-11-23 21:09:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2023-11-23 21:09:14,280 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2023-11-23 21:09:14,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2023-11-23 21:09:14,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2023-11-23 21:09:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-23 21:09:14,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-23 21:09:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:09:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:09:14,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2023-11-23 21:09:14,281 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:09:14,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2023-11-23 21:09:14,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2023-11-23 21:09:14,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2023-11-23 21:09:14,283 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2023-11-23 21:09:14,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2023-11-23 21:09:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2023-11-23 21:09:14,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2023-11-23 21:09:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2023-11-23 21:09:14,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2023-11-23 21:09:14,284 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2023-11-23 21:09:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2023-11-23 21:09:14,285 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-23 21:09:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-23 21:09:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2023-11-23 21:09:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2023-11-23 21:09:14,286 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2023-11-23 21:09:14,287 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2023-11-23 21:09:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2023-11-23 21:09:14,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2023-11-23 21:09:14,287 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2023-11-23 21:09:14,288 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2023-11-23 21:09:14,289 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2023-11-23 21:09:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2023-11-23 21:09:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2023-11-23 21:09:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2023-11-23 21:09:14,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:09:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:09:14,295 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2023-11-23 21:09:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2023-11-23 21:09:14,297 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2023-11-23 21:09:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2023-11-23 21:09:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:09:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:09:14,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:09:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:09:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2023-11-23 21:09:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2023-11-23 21:09:14,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2023-11-23 21:09:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2023-11-23 21:09:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2023-11-23 21:09:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2023-11-23 21:09:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2023-11-23 21:09:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2023-11-23 21:09:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2023-11-23 21:09:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2023-11-23 21:09:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2023-11-23 21:09:14,305 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2023-11-23 21:09:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2023-11-23 21:09:14,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2023-11-23 21:09:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-23 21:09:14,306 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-23 21:09:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2023-11-23 21:09:14,306 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2023-11-23 21:09:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:09:14,307 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:09:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2023-11-23 21:09:14,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2023-11-23 21:09:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2023-11-23 21:09:14,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2023-11-23 21:09:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:09:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2023-11-23 21:09:14,308 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2023-11-23 21:09:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:09:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:09:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:09:14,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:09:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2023-11-23 21:09:14,309 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2023-11-23 21:09:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2023-11-23 21:09:14,309 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2023-11-23 21:09:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2023-11-23 21:09:14,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2023-11-23 21:09:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2023-11-23 21:09:14,310 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2023-11-23 21:09:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2023-11-23 21:09:14,310 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2023-11-23 21:09:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2023-11-23 21:09:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2023-11-23 21:09:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2023-11-23 21:09:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2023-11-23 21:09:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2023-11-23 21:09:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2023-11-23 21:09:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2023-11-23 21:09:14,311 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2023-11-23 21:09:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:09:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2023-11-23 21:09:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2023-11-23 21:09:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2023-11-23 21:09:14,312 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2023-11-23 21:09:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:09:14,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:09:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2023-11-23 21:09:14,313 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2023-11-23 21:09:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2023-11-23 21:09:14,313 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2023-11-23 21:09:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_84 [2023-11-23 21:09:14,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_84 [2023-11-23 21:09:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2023-11-23 21:09:14,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2023-11-23 21:09:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2023-11-23 21:09:14,314 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2023-11-23 21:09:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2023-11-23 21:09:14,314 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2023-11-23 21:09:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2023-11-23 21:09:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2023-11-23 21:09:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2023-11-23 21:09:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2023-11-23 21:09:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-23 21:09:14,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-23 21:09:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2023-11-23 21:09:14,316 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2023-11-23 21:09:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2023-11-23 21:09:14,316 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2023-11-23 21:09:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2023-11-23 21:09:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:09:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:09:14,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2023-11-23 21:09:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2023-11-23 21:09:14,317 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2023-11-23 21:09:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2023-11-23 21:09:14,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2023-11-23 21:09:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2023-11-23 21:09:14,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2023-11-23 21:09:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2023-11-23 21:09:14,318 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2023-11-23 21:09:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2023-11-23 21:09:14,318 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2023-11-23 21:09:15,697 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:09:15,709 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:09:16,263 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:09:28,099 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2023-11-23 21:09:28,455 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:09:34,311 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:09:34,311 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 21:09:34,314 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:34 BoogieIcfgContainer [2023-11-23 21:09:34,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:09:34,317 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:09:34,317 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:09:34,321 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:09:34,321 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:09:06" (1/3) ... [2023-11-23 21:09:34,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5aba37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:34, skipping insertion in model container [2023-11-23 21:09:34,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:09:12" (2/3) ... [2023-11-23 21:09:34,322 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5aba37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:09:34, skipping insertion in model container [2023-11-23 21:09:34,322 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:09:34" (3/3) ... [2023-11-23 21:09:34,324 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2023-11-23 21:09:34,345 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:09:34,345 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:09:34,562 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:09:34,569 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;@7382eb26, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:09:34,569 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:09:34,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 2543 states, 1200 states have (on average 1.25) internal successors, (1500), 1236 states have internal predecessors, (1500), 1228 states have call successors, (1228), 115 states have call predecessors, (1228), 114 states have return successors, (1220), 1203 states have call predecessors, (1220), 1220 states have call successors, (1220) [2023-11-23 21:09:34,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 413 [2023-11-23 21:09:34,667 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:09:34,669 INFO L195 NwaCegarLoop]: trace histogram [37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:09:34,670 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:09:34,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:09:34,677 INFO L85 PathProgramCache]: Analyzing trace with hash 358582479, now seen corresponding path program 1 times [2023-11-23 21:09:34,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:09:34,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579435157] [2023-11-23 21:09:34,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:09:34,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:09:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:09:36,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5112 trivial. 0 not checked. [2023-11-23 21:09:36,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:09:36,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579435157] [2023-11-23 21:09:36,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579435157] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:09:36,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:09:36,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:09:36,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [237516579] [2023-11-23 21:09:36,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:09:36,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:09:36,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:09:36,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:09:36,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:09:36,793 INFO L87 Difference]: Start difference. First operand has 2543 states, 1200 states have (on average 1.25) internal successors, (1500), 1236 states have internal predecessors, (1500), 1228 states have call successors, (1228), 115 states have call predecessors, (1228), 114 states have return successors, (1220), 1203 states have call predecessors, (1220), 1220 states have call successors, (1220) Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (48), 2 states have call predecessors, (48), 1 states have return successors, (45), 3 states have call predecessors, (45), 3 states have call successors, (45) [2023-11-23 21:09:39,111 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 []