./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c55872-89bb-41d0-b440-f9e89c93cafc/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c55872-89bb-41d0-b440-f9e89c93cafc/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_78c55872-89bb-41d0-b440-f9e89c93cafc/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c55872-89bb-41d0-b440-f9e89c93cafc/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c55872-89bb-41d0-b440-f9e89c93cafc/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_78c55872-89bb-41d0-b440-f9e89c93cafc/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 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:31:11,889 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:31:12,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c55872-89bb-41d0-b440-f9e89c93cafc/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-23 21:31:12,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:31:12,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:31:12,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:31:12,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:31:12,051 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:31:12,052 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:31:12,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:31:12,053 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:31:12,054 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:31:12,054 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:31:12,055 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:31:12,055 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:31:12,056 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:31:12,057 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:31:12,057 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:31:12,058 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:31:12,058 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:31:12,059 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:31:12,059 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:31:12,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:31:12,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:31:12,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:31:12,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:31:12,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:31:12,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:31:12,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:31:12,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:31:12,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:31:12,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:31:12,066 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:31:12,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:31:12,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:12,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:31:12,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:31:12,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:31:12,069 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:31:12,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:31:12,070 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:31:12,070 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:31:12,071 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:31:12,071 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:31:12,072 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_78c55872-89bb-41d0-b440-f9e89c93cafc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c55872-89bb-41d0-b440-f9e89c93cafc/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2472cece0c5850e18a2b5f94d1cf0b687bb4a9cf075a19883fc5a2f42ed6c5a6 [2023-11-23 21:31:12,350 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:31:12,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:31:12,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:31:12,378 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:31:12,379 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:31:12,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c55872-89bb-41d0-b440-f9e89c93cafc/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2023-11-23 21:31:15,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:31:16,480 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:31:16,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c55872-89bb-41d0-b440-f9e89c93cafc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i [2023-11-23 21:31:16,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c55872-89bb-41d0-b440-f9e89c93cafc/bin/utaipan-verify-mE87zJ7Ire/data/65727dbe2/f9a422f9f701413d87789db1adc3f05d/FLAGaf6fe768a [2023-11-23 21:31:16,562 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c55872-89bb-41d0-b440-f9e89c93cafc/bin/utaipan-verify-mE87zJ7Ire/data/65727dbe2/f9a422f9f701413d87789db1adc3f05d [2023-11-23 21:31:16,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:31:16,573 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:31:16,577 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:16,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:31:16,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:31:16,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:16" (1/1) ... [2023-11-23 21:31:16,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69d1c087 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:16, skipping insertion in model container [2023-11-23 21:31:16,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:31:16" (1/1) ... [2023-11-23 21:31:16,877 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:31:20,823 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_78c55872-89bb-41d0-b440-f9e89c93cafc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2023-11-23 21:31:20,914 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:20,967 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:31:21,164 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"); [5984] [2023-11-23 21:31:21,166 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; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [5991] [2023-11-23 21:31:21,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("bt %2,%1\n\tsbb %0,%0": "=r" (oldbit): "m" (*((unsigned long *)addr)), "Ir" (nr)); [6005-6006] [2023-11-23 21:31:21,174 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movb %%gs:%P1,%0": "=q" (pfo_ret__): "p" (& current_task)); [6133] [2023-11-23 21:31:21,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movw %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6136] [2023-11-23 21:31:21,175 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movl %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6139] [2023-11-23 21:31:21,176 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ ("movq %%gs:%P1,%0": "=r" (pfo_ret__): "p" (& current_task)); [6142] [2023-11-23 21:31:21,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [9566-9567] [2023-11-23 21:31:21,622 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [9571-9572] [2023-11-23 21:31:21,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [9576-9577] [2023-11-23 21:31:21,623 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [9581-9582] [2023-11-23 21:31:21,625 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [9608-9609] [2023-11-23 21:31:21,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [9613-9614] [2023-11-23 21:31:21,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [9618-9619] [2023-11-23 21:31:21,626 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___12->state): : "memory", "cc"); [9623-9624] [2023-11-23 21:31:21,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___14->state): : "memory", "cc"); [9652-9653] [2023-11-23 21:31:21,631 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [9657-9658] [2023-11-23 21:31:21,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___16->state): : "memory", "cc"); [9662-9663] [2023-11-23 21:31:21,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___17->state): : "memory", "cc"); [9667-9668] [2023-11-23 21:31:21,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_1": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [9692] [2023-11-23 21:31:21,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_2": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [9695] [2023-11-23 21:31:21,634 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_4": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [9698] [2023-11-23 21:31:21,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_8": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [9701] [2023-11-23 21:31:21,635 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("call __put_user_X": "=a" (__ret_pu): "0" (__pu_val), "c" (mask_ptr): "ebx"); [9704] [2023-11-23 21:31:21,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___1->state): : "memory", "cc"); [9758-9759] [2023-11-23 21:31:21,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [9763-9764] [2023-11-23 21:31:21,639 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [9768-9769] [2023-11-23 21:31:21,640 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [9773-9774] [2023-11-23 21:31:21,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___8->state): : "memory", "cc"); [9798-9799] [2023-11-23 21:31:21,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___9->state): : "memory", "cc"); [9803-9804] [2023-11-23 21:31:21,642 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [9808-9809] [2023-11-23 21:31:21,643 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [9813-9814] [2023-11-23 21:31:21,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___1), "+m" (tmp___13->state): : "memory", "cc"); [9841-9842] [2023-11-23 21:31:21,646 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___1), "+m" (tmp___14->state): : "memory", "cc"); [9846-9847] [2023-11-23 21:31:21,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___1), "+m" (tmp___15->state): : "memory", "cc"); [9851-9852] [2023-11-23 21:31:21,647 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___1), "+m" (tmp___16->state): : "memory", "cc"); [9856-9857] [2023-11-23 21:31:21,657 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret), "+m" (tmp___2->state): : "memory", "cc"); [10026-10027] [2023-11-23 21:31:21,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret), "+m" (tmp___3->state): : "memory", "cc"); [10031-10032] [2023-11-23 21:31:21,658 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret), "+m" (tmp___4->state): : "memory", "cc"); [10036-10037] [2023-11-23 21:31:21,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret), "+m" (tmp___5->state): : "memory", "cc"); [10041-10042] [2023-11-23 21:31:21,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgb %b0, %1\n": "+q" (__ret___0), "+m" (tmp___10->state): : "memory", "cc"); [10082-10083] [2023-11-23 21:31:21,661 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgw %w0, %1\n": "+r" (__ret___0), "+m" (tmp___11->state): : "memory", "cc"); [10087-10088] [2023-11-23 21:31:21,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgl %0, %1\n": "+r" (__ret___0), "+m" (tmp___12->state): : "memory", "cc"); [10092-10093] [2023-11-23 21:31:21,662 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("xchgq %q0, %1\n": "+r" (__ret___0), "+m" (tmp___13->state): : "memory", "cc"); [10097-10098] [2023-11-23 21:31:21,966 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_78c55872-89bb-41d0-b440-f9e89c93cafc/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--tty--synclinkmp.ko-entry_point.cil.out.i[431060,431073] [2023-11-23 21:31:21,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:31:22,219 WARN L675 CHandler]: The function strcat is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:31:22,219 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:31:22,220 WARN L675 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:31:22,220 WARN L675 CHandler]: The function sprintf is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:31:22,220 WARN L675 CHandler]: The function __bad_percpu_size is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 21:31:22,228 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:31:22,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:22 WrapperNode [2023-11-23 21:31:22,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:31:22,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:22,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:31:22,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:31:22,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:22" (1/1) ... [2023-11-23 21:31:22,415 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:22" (1/1) ... [2023-11-23 21:31:22,900 INFO L138 Inliner]: procedures = 389, calls = 4177, calls flagged for inlining = 186, calls inlined = 180, statements flattened = 10976 [2023-11-23 21:31:22,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:31:22,902 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:31:22,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:31:22,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:31:22,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:22" (1/1) ... [2023-11-23 21:31:22,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:22" (1/1) ... [2023-11-23 21:31:23,002 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:22" (1/1) ... [2023-11-23 21:31:23,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:22" (1/1) ... [2023-11-23 21:31:23,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:22" (1/1) ... [2023-11-23 21:31:23,313 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:22" (1/1) ... [2023-11-23 21:31:23,392 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:22" (1/1) ... [2023-11-23 21:31:23,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:22" (1/1) ... [2023-11-23 21:31:23,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:31:23,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:31:23,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:31:23,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:31:23,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:31:22" (1/1) ... [2023-11-23 21:31:23,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:31:23,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c55872-89bb-41d0-b440-f9e89c93cafc/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:31:23,573 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c55872-89bb-41d0-b440-f9e89c93cafc/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:31:23,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78c55872-89bb-41d0-b440-f9e89c93cafc/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:31:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2023-11-23 21:31:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2023-11-23 21:31:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2023-11-23 21:31:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2023-11-23 21:31:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2023-11-23 21:31:23,619 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-23 21:31:23,619 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-23 21:31:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure set_signals [2023-11-23 21:31:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure set_signals [2023-11-23 21:31:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2023-11-23 21:31:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2023-11-23 21:31:23,620 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_dma_bufs [2023-11-23 21:31:23,620 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_dma_bufs [2023-11-23 21:31:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_ioctl [2023-11-23 21:31:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_ioctl [2023-11-23 21:31:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-23 21:31:23,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-23 21:31:23,621 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2023-11-23 21:31:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2023-11-23 21:31:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2023-11-23 21:31:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2023-11-23 21:31:23,622 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2023-11-23 21:31:23,622 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2023-11-23 21:31:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2023-11-23 21:31:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2023-11-23 21:31:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2023-11-23 21:31:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2023-11-23 21:31:23,623 INFO L130 BoogieDeclarations]: Found specification of procedure chars_in_buffer [2023-11-23 21:31:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure chars_in_buffer [2023-11-23 21:31:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure change_params [2023-11-23 21:31:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure change_params [2023-11-23 21:31:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_change_mtu [2023-11-23 21:31:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_change_mtu [2023-11-23 21:31:23,624 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-23 21:31:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-23 21:31:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure set_break [2023-11-23 21:31:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure set_break [2023-11-23 21:31:23,625 INFO L130 BoogieDeclarations]: Found specification of procedure tx_start [2023-11-23 21:31:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_start [2023-11-23 21:31:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2023-11-23 21:31:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2023-11-23 21:31:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure startup [2023-11-23 21:31:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure startup [2023-11-23 21:31:23,626 INFO L130 BoogieDeclarations]: Found specification of procedure isr_io_pin [2023-11-23 21:31:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_io_pin [2023-11-23 21:31:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_frame_bufs [2023-11-23 21:31:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_frame_bufs [2023-11-23 21:31:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2023-11-23 21:31:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2023-11-23 21:31:23,627 INFO L130 BoogieDeclarations]: Found specification of procedure wait_until_sent [2023-11-23 21:31:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_until_sent [2023-11-23 21:31:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-23 21:31:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-23 21:31:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure synclinkmp_cleanup [2023-11-23 21:31:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure synclinkmp_cleanup [2023-11-23 21:31:23,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 21:31:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure dtr_rts [2023-11-23 21:31:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure dtr_rts [2023-11-23 21:31:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2023-11-23 21:31:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2023-11-23 21:31:23,629 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2023-11-23 21:31:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2023-11-23 21:31:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2023-11-23 21:31:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2023-11-23 21:31:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2023-11-23 21:31:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2023-11-23 21:31:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmset [2023-11-23 21:31:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmset [2023-11-23 21:31:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-23 21:31:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-23 21:31:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2023-11-23 21:31:23,631 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2023-11-23 21:31:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_timeout [2023-11-23 21:31:23,632 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_timeout [2023-11-23 21:31:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-23 21:31:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-23 21:31:23,632 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-23 21:31:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 21:31:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure release_resources [2023-11-23 21:31:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure release_resources [2023-11-23 21:31:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure activate_pending_timer_3 [2023-11-23 21:31:23,633 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_pending_timer_3 [2023-11-23 21:31:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 21:31:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_hdlc [2023-11-23 21:31:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_hdlc [2023-11-23 21:31:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-23 21:31:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-23 21:31:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure install [2023-11-23 21:31:23,634 INFO L138 BoogieDeclarations]: Found implementation of procedure install [2023-11-23 21:31:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_destroy [2023-11-23 21:31:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_destroy [2023-11-23 21:31:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2023-11-23 21:31:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2023-11-23 21:31:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unlock [2023-11-23 21:31:23,635 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unlock [2023-11-23 21:31:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_fifo [2023-11-23 21:31:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_fifo [2023-11-23 21:31:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure hdlcdev_tx_done [2023-11-23 21:31:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlcdev_tx_done [2023-11-23 21:31:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2023-11-23 21:31:23,636 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2023-11-23 21:31:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure program_hw [2023-11-23 21:31:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure program_hw [2023-11-23 21:31:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_raised [2023-11-23 21:31:23,637 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_raised [2023-11-23 21:31:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure reset_port [2023-11-23 21:31:23,639 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_port [2023-11-23 21:31:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2023-11-23 21:31:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2023-11-23 21:31:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 21:31:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2023-11-23 21:31:23,645 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2023-11-23 21:31:23,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:31:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure register_test [2023-11-23 21:31:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure register_test [2023-11-23 21:31:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure flush_buffer [2023-11-23 21:31:23,646 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_buffer [2023-11-23 21:31:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 21:31:23,646 INFO L130 BoogieDeclarations]: Found specification of procedure hangup [2023-11-23 21:31:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure hangup [2023-11-23 21:31:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2023-11-23 21:31:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure bh_handler [2023-11-23 21:31:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_handler [2023-11-23 21:31:23,647 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2023-11-23 21:31:23,647 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2023-11-23 21:31:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure write_control_reg [2023-11-23 21:31:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure write_control_reg [2023-11-23 21:31:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure put_char [2023-11-23 21:31:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure put_char [2023-11-23 21:31:23,648 INFO L130 BoogieDeclarations]: Found specification of procedure isr_timer [2023-11-23 21:31:23,648 INFO L138 BoogieDeclarations]: Found implementation of procedure isr_timer [2023-11-23 21:31:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure bh_transmit [2023-11-23 21:31:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure bh_transmit [2023-11-23 21:31:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-23 21:31:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-23 21:31:23,649 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_mode [2023-11-23 21:31:23,649 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_mode [2023-11-23 21:31:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure send_xchar [2023-11-23 21:31:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure send_xchar [2023-11-23 21:31:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure tiocmget [2023-11-23 21:31:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure tiocmget [2023-11-23 21:31:23,650 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg16 [2023-11-23 21:31:23,650 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg16 [2023-11-23 21:31:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2023-11-23 21:31:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2023-11-23 21:31:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2023-11-23 21:31:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2023-11-23 21:31:23,651 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block [2023-11-23 21:31:23,651 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block [2023-11-23 21:31:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure tty_lock [2023-11-23 21:31:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_lock [2023-11-23 21:31:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:31:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:31:23,652 INFO L130 BoogieDeclarations]: Found specification of procedure read_status_reg [2023-11-23 21:31:23,652 INFO L138 BoogieDeclarations]: Found implementation of procedure read_status_reg [2023-11-23 21:31:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2023-11-23 21:31:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2023-11-23 21:31:23,653 INFO L130 BoogieDeclarations]: Found specification of procedure remove_wait_queue [2023-11-23 21:31:23,653 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_wait_queue [2023-11-23 21:31:23,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-23 21:31:23,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-23 21:31:23,654 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2023-11-23 21:31:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2023-11-23 21:31:23,654 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2023-11-23 21:31:23,654 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2023-11-23 21:31:23,655 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2023-11-23 21:31:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2023-11-23 21:31:23,655 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2023-11-23 21:31:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2023-11-23 21:31:23,655 INFO L130 BoogieDeclarations]: Found specification of procedure irq_test [2023-11-23 21:31:23,655 INFO L138 BoogieDeclarations]: Found implementation of procedure irq_test [2023-11-23 21:31:23,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_5 [2023-11-23 21:31:23,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_5 [2023-11-23 21:31:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure flush_chars [2023-11-23 21:31:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_chars [2023-11-23 21:31:23,658 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2023-11-23 21:31:23,658 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2023-11-23 21:31:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2023-11-23 21:31:23,767 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2023-11-23 21:31:23,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-23 21:31:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-23 21:31:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure tx_stop [2023-11-23 21:31:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_stop [2023-11-23 21:31:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure sca_init [2023-11-23 21:31:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sca_init [2023-11-23 21:31:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-11-23 21:31:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-11-23 21:31:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:31:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:31:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-23 21:31:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-23 21:31:23,768 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2023-11-23 21:31:23,768 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2023-11-23 21:31:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure msleep_interruptible [2023-11-23 21:31:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep_interruptible [2023-11-23 21:31:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_4 [2023-11-23 21:31:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_4 [2023-11-23 21:31:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_3 [2023-11-23 21:31:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_3 [2023-11-23 21:31:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 21:31:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2023-11-23 21:31:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2023-11-23 21:31:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure rx_free_frame_buffers [2023-11-23 21:31:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_free_frame_buffers [2023-11-23 21:31:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 21:31:23,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2023-11-23 21:31:23,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2023-11-23 21:31:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2023-11-23 21:31:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2023-11-23 21:31:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 21:31:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure set_rate [2023-11-23 21:31:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rate [2023-11-23 21:31:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-23 21:31:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-23 21:31:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure ioctl [2023-11-23 21:31:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ioctl [2023-11-23 21:31:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2023-11-23 21:31:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2023-11-23 21:31:23,770 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2023-11-23 21:31:23,770 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2023-11-23 21:31:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure add_wait_queue [2023-11-23 21:31:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wait_queue [2023-11-23 21:31:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure rx_stop [2023-11-23 21:31:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_stop [2023-11-23 21:31:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure loopback_test [2023-11-23 21:31:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure loopback_test [2023-11-23 21:31:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure jiffies_to_msecs [2023-11-23 21:31:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure jiffies_to_msecs [2023-11-23 21:31:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure tty_hung_up_p [2023-11-23 21:31:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_hung_up_p [2023-11-23 21:31:23,771 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-23 21:31:23,771 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-23 21:31:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure tx_set_idle [2023-11-23 21:31:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_set_idle [2023-11-23 21:31:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure set_termios [2023-11-23 21:31:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure set_termios [2023-11-23 21:31:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure write_room [2023-11-23 21:31:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure write_room [2023-11-23 21:31:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure enable_loopback [2023-11-23 21:31:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure enable_loopback [2023-11-23 21:31:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_3 [2023-11-23 21:31:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_3 [2023-11-23 21:31:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-23 21:31:23,772 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-23 21:31:23,772 INFO L130 BoogieDeclarations]: Found specification of procedure throttle [2023-11-23 21:31:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure throttle [2023-11-23 21:31:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-23 21:31:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-23 21:31:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2023-11-23 21:31:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2023-11-23 21:31:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 21:31:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure tx_load_dma_buffer [2023-11-23 21:31:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_load_dma_buffer [2023-11-23 21:31:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg16 [2023-11-23 21:31:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg16 [2023-11-23 21:31:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-23 21:31:23,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-23 21:31:23,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2023-11-23 21:31:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2023-11-23 21:31:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2023-11-23 21:31:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2023-11-23 21:31:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2023-11-23 21:31:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2023-11-23 21:31:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2023-11-23 21:31:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2023-11-23 21:31:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure get_icount [2023-11-23 21:31:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure get_icount [2023-11-23 21:31:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure unthrottle [2023-11-23 21:31:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure unthrottle [2023-11-23 21:31:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure tx_release [2023-11-23 21:31:23,774 INFO L138 BoogieDeclarations]: Found implementation of procedure tx_release [2023-11-23 21:31:23,774 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2023-11-23 21:31:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2023-11-23 21:31:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure rx_get_frame [2023-11-23 21:31:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_get_frame [2023-11-23 21:31:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure shutdown [2023-11-23 21:31:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure shutdown [2023-11-23 21:31:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2023-11-23 21:31:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2023-11-23 21:31:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure hdlc_ioctl [2023-11-23 21:31:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure hdlc_ioctl [2023-11-23 21:31:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure get_signals [2023-11-23 21:31:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure get_signals [2023-11-23 21:31:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:31:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2023-11-23 21:31:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2023-11-23 21:31:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure rx_start [2023-11-23 21:31:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure rx_start [2023-11-23 21:31:23,775 INFO L130 BoogieDeclarations]: Found specification of procedure sanity_check [2023-11-23 21:31:23,775 INFO L138 BoogieDeclarations]: Found implementation of procedure sanity_check [2023-11-23 21:31:24,906 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:31:24,915 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:31:25,237 INFO L775 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2023-11-23 21:31:58,028 INFO L282 CfgBuilder]: Performing block encoding